cfr_sections
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136 rows where agency = "NHTSA" and part_number = 572 sorted by section_id
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| section_id ▼ | title_number | title_name | chapter | subchapter | part_number | part_name | subpart | subpart_name | section_number | section_heading | agency | authority | source_citation | amendment_citations | full_text |
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| 49:49:7.1.1.1.1.1.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | A | Subpart A—General | § 572.1 Scope. | NHTSA | [60 FR 43058, Aug. 18, 1995] | This part describes the anthropomorphic test devices that are to be used for compliance testing of motor vehicles and motor vehicle equipment with motor vehicle safety standards. | ||||
| 49:49:7.1.1.1.1.1.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | A | Subpart A—General | § 572.2 Purpose. | NHTSA | [38 FR 20451, Aug. 1, 1973, as amended at 42 FR 7151, Feb. 7, 1977] | The design and performance criteria specified in this part are intended to describe measuring tools with sufficient precision to give repetitive and correlative results under similar test conditions and to reflect adequately the protective performance of a vehicle or item of motor vehicle equipment with respect to human occupants. | ||||
| 49:49:7.1.1.1.1.1.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | A | Subpart A—General | § 572.3 Application. | NHTSA | [38 FR 20451, Aug. 1, 1973, as amended at 42 FR 7152, Feb. 7, 1977] | This part does not in itself impose duties or liabilities on any person. It is a description of tools that measure the performance of occupant protection systems required by the safety standards that incorporate it. It is designed to be referenced by, and become a part of, the test procedures specified in motor vehicle safety standards such as Standard No. 208, Occupant Crash Protection. | ||||
| 49:49:7.1.1.1.1.1.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | A | Subpart A—General | § 572.4 Terminology. | NHTSA | [38 FR 20451, Aug. 1, 1973, as amended at 42 FR 7152, Feb. 7, 1977; 44 FR 76530, Dec. 27, 1979; 56 FR 57836, Nov. 14, 1991] | (a) The term dummy, when used in this subpart A, refers to any test device described by this part. The term dummy, when used in any other subpart of this part, refers to the particular dummy described in that part. (b) Terms describing parts of the dummy, such as head, are the same as names for corresponding parts of the human body. (c) The term unimodal, when used in subparts C and I, refers to an acceleration-time curve which has only one prominent peak. | ||||
| 49:49:7.1.1.1.1.10.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | K | Subpart K—Newborn Infant | § 572.90 Incorporation by reference. | NHTSA | (a) The drawings and specifications referred to in § 572.91(a) are hereby incorporated in subpart K by reference. These materials are thereby made part of this regulation. The Director of the Federal Register approved that materials incorporated by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies of the materials may be inspected at NHTSA's Docket Section, 400 Seventh Street, SW., room 5109, Washington, DC, or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. (b) The incorporated material is available as follows: (1) Drawing numbers 126-0000 through 126-0015 (sheets 1 through 3), 126-0017 through 126-0027, and a parts list entitled “Parts List for CAMI Newborn Dummy,” are available from Reprographic Technologies, 1111 14th Street, NW., Washington, DC 20005. (202) 628-6667. (2) A construction manual entitled, “Construction of the Newborn Infant Dummy” (July 1992) is available from Reprographic Technologies at the address in paragraph (b)(1) of this section. | |||||
| 49:49:7.1.1.1.1.10.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | K | Subpart K—Newborn Infant | § 572.91 General description. | NHTSA | (a) The representative newborn infant dummy consists of a drawings and specifications package that contains the following materials: (1) Drawing numbers 126-0000 through 126-0015 (sheets 1 through 3), 126-0017 through 126-0027, and a parts list entitled “Parts List for CAMI Newborn Dummy”; and, (2) A construction manual entitled, “Construction of the Newborn Infant Dummy” (July 1992). (b) The structural properties of the dummy are such that the dummy conforms to this part in every respect both before and after being used in dynamic tests specified in Standard No. 213 of this chapter (§ 571.213). | |||||
| 49:49:7.1.1.1.1.11.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | L | Subpart L—Free Motion Headform | § 572.100 Incorporation by Reference. | NHTSA | (a) The drawings and specifications referred to in § 572.101 are hereby incorporated in subpart L by reference. These materials are thereby made part of this regulation. The Director of the Federal Register approved the materials incorporated by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies of the materials may be inspected at NHTSA's Docket Section, 400 Seventh Street, S.W., room 5109, Washington, DC, or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. (b) The incorporated material is available as follows: (1) Drawing number 92041-001, “Head Form Assembly,” (November 30, 1992); drawing number 92041-002, “Skull Assembly,” (November 30, 1992); drawing number 92041-003, “Skull Cap Plate Assembly,” (November 30, 1992); drawing number 92041-004, “Skull Cap Plate,” (November 30, 1992); drawing number 92041-005, “Threaded Pin,” (November 30, 1992); drawing number 92041-006, “Hex Nut,” (November 30, 1992); drawing number 92041-008, “Head Skin without Nose,” (November 30, 1992, as amended March 6, 1995); drawing number 92041-009, “Six-Axis Load Cell Simulator Assembly,” (November 30, 1992); drawing number 92041-011, “Head Ballast Weight,” (November 30, 1992); drawing number 92041-018, “Head Form Bill of Materials,” (November 30, 1992); drawing number 78051-148, “Skull-Head (cast) Hybrid III,” (May 20, 1978, as amended August 17, 1978); drawing number 78051-228/78051-229, “Skin- Hybrid III,” (May 20, 1978, as amended through September 24, 1979); drawing number 78051-339, “Pivot Pin-Neck Transducer,” (May 20, 1978, as amended May 14, 1986); drawing number 78051-372, “Vinyl Skin Formulation Hybrid III,” (May 20, 1978); and drawing number C-1797, “Neck Blank, (August 1, 1989); drawing number SA572-S4, “Accelerometer Specification,” (November 30, 1992), are available from Reprographic Technologies, 1111 14th St… | |||||
| 49:49:7.1.1.1.1.11.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | L | Subpart L—Free Motion Headform | § 572.101 General description. | NHTSA | (a) The free motion headform consists of the component assembly which is shown in drawings 92041-001 (incorporated by reference; see § 572.100), 92041-002 (incorporated by reference; see § 572.100), 92041-003 (incorporated by reference; see § 572.100), 92041-004 (incorporated by reference; see § 572.100), 92041-005 (incorporated by reference; see § 572.100), 92041-006 (incorporated by reference; see § 572.100), 92041-008 (incorporated by reference; see § 572.100), 92041-009 (incorporated by reference; see § 572.100), 92041-011 (incorporated by reference; see § 572.100), 78051-148 (incorporated by reference; see § 572.100), 78051-228/78051-229 (incorporated by reference; see § 572.100), 78051-339 (incorporated by reference; see § 572.100), 78051-372 (incorporated by reference; see § 572.100), C-1797 (incorporated by reference; see § 572.100), and SA572-S4 (incorporated by reference; see § 572.100). (b) Disassembly, inspection, and assembly procedures, and sign convention for the signal outputs of the free motion headform accelerometers, are set forth in the Free-Motion Headform User's Manual (incorporated by reference; see § 572.100). (c) The structural properties of the headform are such that it conforms to this part in every respect both before and after being used in the test specified in Standard No. 201 of this chapter (§ 571.201). (d) The outputs of accelerometers installed in the headform are recorded in individual data channels that conform to the requirements of SAE Recommended Practice J211, OCT 1988, “Instrumentation for Impact Tests,” Class 1000 (incorporated by reference; see § 572.100). | |||||
| 49:49:7.1.1.1.1.11.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | L | Subpart L—Free Motion Headform | § 572.102 Drop test. | NHTSA | (a) When the headform is dropped from a height of 14.8 inches in accordance with paragraph (b) of this section, the peak resultant accelerations at the location of the accelerometers mounted in the headform as shown in drawing 92041-001 (incorporated by reference; see § 572.100) shall not be less than 225g, and not more than 275g. The acceleration/time curve for the test shall be unimodal to the extent that oscillations occurring after the main acceleration pulse are less than ten percent (zero to peak) of the main pulse. The lateral acceleration vector shall not exceed 15g (zero to peak). (b) Test procedure. (1) Soak the headform in a test environment at any temperature between 19 degrees C. to 26 degrees C. and at a relative humidity from 10 percent to 70 percent for a period of at least four hours prior to its use in a test. (2) Clean the headform's skin surface and the surface of the impact plate with 1,1,1 Trichloroethane or equivalent. (3) Suspend the headform, as shown in Figure 50. Position the forehead below the chin such that the skull cap plate is at an angle of 28.5 ±0.5 degrees with the impact surface when the midsagittal plane is vertical. (4) Drop the headform from the specified height by means that ensure instant release onto a rigidly supported flat horizontal steel plate, which is 2 inches thick and 2 feet square. The plate shall have a clean, dry surface and any microfinish of not less than 8 microinches 203.2 × 10 −6 mm (rms) and not more than 80 microinches 2032 × 10 −6 mm (rms). (5) Allow at least 3 hours between successive tests on the same headform. | |||||
| 49:49:7.1.1.1.1.11.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | L | Subpart L—Free Motion Headform | § 572.103 Test conditions and instrumentation. | NHTSA | [60 FR 43060, Aug. 18, 1995] | (a) Headform accelerometers shall have dimensions, response characteristics, and sensitive mass locations specified in drawing SA572-S4 (incorporated by reference; see § 572.100) and be mounted in the headform as shown in drawing 92041-001 (incorporated by reference; see § 572.100). (b) The outputs of accelerometers installed in the headform are recorded in individual data channels that conform to the requirements of SAE Recommended Practice J211, OCT 1988, “Instrumentation for Impact Tests,” Class 1000 (incorporated by reference; see § 572.100). (c) Coordinate signs for instrumentation polarity conform to the sign convention shown in the Free-Motion Headform User's Manual (incorporated by reference; see § 572.100). (d) The mountings for accelerometers shall have no resonant frequency within a range of 3 times the frequency range of the applicable channel class. | ||||
| 49:49:7.1.1.1.1.12.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | M | Subpart M—Side Impact Hybrid Dummy 50th Percentile Male | § 572.110 Materials incorporated by reference. | NHTSA | (a) The following materials are hereby incorporated by reference in Subpart M: (1) The Anthropomorphic Test Dummy Parts List, SID/Hybrid III part 572, subpart M, dated May 10, 1997. (2) The SID/Hybrid III Part 572 Subpart M User's Manual, dated May 1997. (3) Drawing number 96-SIDH3-001, titled, “Head-Neck Bracket,” dated August 30, 1996. (4) Drawing number 96-SIDH3-006, titled, “Upper and Middle Shoulder Foam,” dated May 10, 1997. (5) Drawing number SA-SIDH3-M001, titled, “Complete Assembly SIDH3,” dated April 19, 1997. (6) Drawing number 78051-61X, Revision C, titled “Head Assembly—complete,” dated March 28, 1997 (7) Drawing number 78051-90, Revision A, titled “Neck Assembly—complete,” dated May 20, 1978. (8) Dummy assembly drawing number SA-SID-M030, Revision A, titled “Thorax Assembly—complete,” dated May 18, 1994. (9) Dummy assembly drawing SA-SID-M050, revision A, titled “Lumbar Spine Assembly,” dated May 18, 1994. (10) Dummy assembly drawing SA-150 M060, revision A, titled “Pelvis and Abdomen Assembly,” dated May 18, 1994. (11) Dummy assembly drawing SA-SID-053, revision A, titled “Lumbar Spine Assembly,” dated May 18, 1994. (12) Dummy assembly drawing SA-SID-M080, titled “Leg Assembly, Right,” dated August 13, 1987. (13) Dummy assembly drawing SA-SID-M081, titled “Leg Assembly, Left,” dated August 13, 1987. (14) Drawing number 78051-383X, Revision P, titled “Neck Transducer Structural Replacement,” dated November 1, 1995. (15) The Society of Automotive Engineers (SAE) J1733 Information Report, titled “Sign Convention for Vehicle Crash Testing,” dated December 1994. (16) SAE Recommended Practice J211, “Instrumentation for Impact Tests,” Parts 1 and 2, dated March 1995. (b) The incorporated materials are available as follows: (1) The Director of the Federal Register approved those materials incorporated by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies of the materials may be inspected at NHTSA's Docket Section, 400 Seventh Street S.W., room 5109, Washington, DC, or … | |||||
| 49:49:7.1.1.1.1.12.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | M | Subpart M—Side Impact Hybrid Dummy 50th Percentile Male | § 572.111 General description. | NHTSA | (a) The dummy consists of component parts and component assemblies defined in drawing SA-SIDH3-M001, dated April 19, 1997, which are described in approximately 200 drawings and specifications that are set forth in §§ 572.32, 572.33 and 572.41(a)(3),(4),(5) and (6) of this part, and in the drawing of the Adaptor Bracket 96-SIDH3-001. (1) The head assembly consists of the assembly specified in subpart E (§ 572.32) and conforms to each of the drawings subtended under drawing 78051-61X rev. C. (2) The neck assembly consists of the assembly specified in subpart E (§ 572.33) and conforms to each of the drawings subtended under drawing 78051-90 rev. A. (3) The thorax assembly consists of the assembly shown as number SID 053 and conforms to each applicable drawing subtended by number SA-SID M030 rev. A. (4) The lumbar spine consists of the assembly specified in subpart B (§ 572.9(a)) and conforms to drawing SA 150 M050 and drawings subtended by SA-SID M050 rev. A. (5) The abdomen and pelvis consist of the assembly and conform to the drawings subtended by SA 150 M060, the drawings subtended by SA 150 M060 rev. A and the drawings subtended by SA-SID-087 sheet 1 rev. H, and SA-SID-87 sheet 2 rev. H. (6) The lower limbs consist of the assemblies specified in Subpart B (§ 572.10) shown as SA 150 M080 and SA 150 M081 in Figure 1 and SA-SID-M080 and SA-SID-M081 and conform to the drawings subtended by those numbers. (7) The neck mounting adaptor bracket conforms to drawing 96-SIDH3-001. (8) Upper and middle shoulder foams conform to drawing 96-SIDH3-006. (b) The structural properties of the dummy are such that the dummy conforms to the specifications of this subpart in every respect before being used in vehicle tests specified in Standard 201. (c) Disassembly, inspection and assembly procedures, external dimensions, weight and drawing list are set forth in the SIDH3 User's Manual, dated May 1997. (d) Sign convention for signal outputs is given in the reference document SAE J1733 of 1994-12, “Sign Convention for Vehic… | |||||
| 49:49:7.1.1.1.1.12.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | M | Subpart M—Side Impact Hybrid Dummy 50th Percentile Male | § 572.112 Head assembly. | NHTSA | The head assembly consists of the head (drawing 78051-61X, rev. C) with the neck transducer structural replacement (drawing 78051-383X, rev. P) and three (3) accelerometers that are mounted in conformance to § 572.36 (c). (a) Test procedure. (1) Soak the head assembly in a test environment at any temperature between 18.9 and 25.6 degrees C. (66 to 78 degrees F.) and at a relative humidity between 10 percent and 70 percent for a period of at least four (4) hours prior to its application in a test. (2) Clean the impact surface of the head skin and impact plate surface, described in paragraph (a)(4) of this section, with 1,1,1 trichloroethane or equivalent prior to the test. (3) Suspend the head, as shown in Figure 51, so that the midsagittal plane makes an angle of 35 ±1 degrees with the impact surface and its anterior-posterior axis is horizontal ±1 degree. (4) Drop the head from a height of 200 ±0.25 mm (7.87 ±0.01 inches), measured from the lowest point on the head, by a means that ensures a smooth, clean release into a rigidly supported flat horizontal steel plate, which is 51 ±2 mm (2.0 ±0.01 in.) thick and 610 ±10 mm (24.0 ±0.4 in) square. The plate shall have a dry surface and shall have a microfinish of 0.2 microns (8 microinches) to 2.0 microns (80 microinches). (5) Allow at least two (2) hours between successive tests on the same head. (b) Performance criteria. (1) When the head assembly is dropped in accordance with § 572.112(a), the measured peak resultant acceleration shall be between 120 and 150 G's. (2) The resultant acceleration-time curve shall be unimodal to the extent that oscillations occurring after the main acceleration pulse shall not exceed 15 percent (zero to peak) of the main pulse. The longitudinal acceleration vector shall not exceed 15 G's. | |||||
| 49:49:7.1.1.1.1.12.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | M | Subpart M—Side Impact Hybrid Dummy 50th Percentile Male | § 572.113 Neck assembly. | NHTSA | [63 FR 41470, Aug. 4, 1998, as amended at 66 FR 51882, Oct. 11, 2001] | The head/neck assembly consists of the parts 78051-61X, rev. C; -84; -90, rev. A; -94; -98; -104, revision F; -303, rev. E;—305; -306; -307, rev. X and has a six axis neck transducer (drawing C-1709, revision D) installed in conformance with § 572.36(d). (a) Test procedure. (1) Soak the head and neck assembly in a test environment at any temperature between 20.6 and 22.2 degrees C. (69 to 72 degrees F.) and at any relative humidity between 10 percent and 70 percent for a period of at least four (4) hours prior to its application in a test. (2) Torque the jamnut (78051-64) on the neck cable (78051-301, rev. E) to 1.35 ±0.27 Nm (1.0 ±0.2 ft-lb) before each test. (3) Using neck brackets 78051-303 and -307, mount the head/neck assembly to the part 572 pendulum test fixture (see § 572.33, Figure 22,) so that the midsagittal plane of the head is vertical and perpendicular to the plane of motion of the pendulum's longitudinal centerline (see § 572.33, Figure 20, except that the direction of the head/neck assembly is rotated around the superior-inferior axis by an angle of 90 degrees). Install suitable transducers or other devices necessary for measuring the “D” plane (horizontal surface at the base of the skull) rotation with respect to the pendulum's longitudinal centerline. The rotation can be measured by placing a transducer at the occipital condyles and another at the intersection of the centerline of the neck and the line extending from the base of the neck as shown in figure 52. (4) Release the pendulum and allow it to fall freely from a height to achieve an impact velocity of 6.89 to 7.13 m/s (22.6 to 23.4 ft/sec) measured at the center of the pendulum accelerometer. (5) Allow the neck to flex without the head or neck contacting any object during the test. (6) Time zero is defined as the time of initial contact between the striker plate and the pendulum deceleration medium. (7) Allow a period of at least thirty (30) minutes between successive tests on the same neck assembly. (b) Performance criteria. (1) … | ||||
| 49:49:7.1.1.1.1.12.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | M | Subpart M—Side Impact Hybrid Dummy 50th Percentile Male | § 572.114 Thorax. | NHTSA | The specifications and test procedure for the thorax for the SID/HIII dummy are identical to those applicable to the SID dummy as set forth in § 572.42 except that the reference to the SID device found in § 572.42(a), (SA-SID-M001A revision A, dated May 18, 1994) does not apply and the reference to the SID/HIII (SA-SIDH3-M001, dated April 19, 1997) is applied in its place. | |||||
| 49:49:7.1.1.1.1.12.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | M | Subpart M—Side Impact Hybrid Dummy 50th Percentile Male | § 572.115 Lumbar spine and pelvis. | NHTSA | The specifications and test procedure for the lumbar spine and pelvis are identical to those for the SID dummy as set forth in § 572.42 except that the reference to the SID device found in § 572.42(a), (SA-SID-M001A revision A, dated May 18, 1994) does not apply and the reference to the SID/HIII (SA-SIDH3-M001, dated April 19, 1997) is applied in its place. | |||||
| 49:49:7.1.1.1.1.12.1.7 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | M | Subpart M—Side Impact Hybrid Dummy 50th Percentile Male | § 572.116 Instrumentation and test conditions. | NHTSA | (a) The test probe for lateral thoracic and pelvis impact tests are the same as those specified in § 572.44(a). (b) Accelerometer mounting in the thorax is the same as specified in § 572.44(b). (c) Accelerometer mounting in the pelvis is the same as specified in § 572.44(c). (d) Head accelerometer mounting is the same as specified in § 572.36(c). (e) Neck transducer mounting is the same as specified in § 572.36(d). (f) Instrumentation and sensors used must conform to SAE Recommended Practice J211, March 1995, “Instrumentation for Impact Tests.” (g) The mountings for the spine, rib and pelvis accelerometers shall have no resonance frequency within a range of 3 times the frequency range of the applicable channel class. (h) Limb joints of the test dummy shall be set at the force between 1 to 2 g's, which just supports the limb's weight when the limbs are extended horizontally forward. The force required to move a limb segment does not exceed 2 g's throughout the range of the limb motion. (i) Performance tests must be conducted at a temperature between 20.6 and 22.2 degrees C. (69 to 72 degrees F.) and at a relative humidity between 10 percent and 70 percent after exposure of the dummy to those conditions for a period of at least four (4) hours. (j) For the performance of tests specified in § 572.114 and § 572.115, the dummy is positioned the same as specified in § 572.44(h). | |||||
| 49:49:7.1.1.1.1.13.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | N | Subpart N—Six-year-old Child Test Dummy, Beta Version | § 572.120 Incorporation by reference. | NHTSA | [65 FR 2065, Jan. 13, 2000, as amended at 67 FR 47327, July 18, 2002; 75 FR 76645, Dec. 9, 2010] | (a) The following materials are hereby incorporated into this subpart by reference: (1) A drawings and inspection package entitled, “Parts List and Drawings, Part 572 Subpart N, Hybrid III Six-Year Old Child Crash Test Dummy (H-III6C, Beta Version), June 2009,” consisting of: (i) Drawing No. 127-1000, 6-year H3 Head Complete, incorporated by reference in § 572.122, (ii) Drawing No. 127-1015, Neck Assembly, incorporated by reference in § 572.123, (iii) Drawing No. 127-2000, Upper Torso Assembly, incorporated by reference in § 572.124, (iv) Drawing No. 127-3000, Lower Torso Assembly, incorporated by reference in § 572.125, (v) Drawing No. 127-4000-1 and 4000-2, Leg Assembly, incorporated by reference in § 572.126, (vi) Drawing No. 127-5000-1 and 5000-2, Arm Assembly, incorporated by reference in §§ 572.121, 572.124, and 572.125 as part of a complete dummy assembly, and, (vii) Parts List and Drawings, Hybrid III Six-year-old Child Test Dummy (H-III6C, Beta Version), dated June 1, 2009, incorporated by reference in § 572.121; (2) A procedures manual entitled “Procedures for Assembly, Disassembly, and Inspection (PADI) of the Hybrid III 6-year-old Child Crash Test Dummy (H-III6C), Beta Version, June 1, 2009,” incorporated by reference in § 572.121; (3) SAE Recommended Practice J211-1995, “Instrumentation for Impact Tests—Parts 1 and 2, dated March, 1995,” incorporated by reference in § 572.127; (4) SAE J1733 Information Report, titled “Sign Convention for Vehicle Crash Testing,” dated December 1994, incorporated by reference in § 572.127. (b) The Director of the Federal Register approved the materials incorporated by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies of the materials may be inspected at the Department of Transportation, Docket Operations, Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC 20590, telephone (202) 366-9826, and at the National Archives and Records Administration (NARA), and in electronic format through Regulations.gov. For information on the availab… | ||||
| 49:49:7.1.1.1.1.13.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | N | Subpart N—Six-year-old Child Test Dummy, Beta Version | § 572.121 General description. | NHTSA | [65 FR 2065, Jan. 13, 2000, as amended at 75 FR 76645, Dec. 9, 2010] | (a) The Hybrid III type 6-year-old dummy is defined by drawings and specifications containing the following materials: (1) Technical drawings and specifications package P/N 127-0000, the titles of which are listed in Table A; (2) Procedures for Assembly, Disassembly, and Inspection (PADI) of the Hybrid III 6-year-old child crash test dummy (H-III6C), Beta version, dated June 1, 2009, incorporated by reference in § 572.120. Table A (b) Adjacent segments are joined in a manner such that except for contacts existing under static conditions, there is no contact between metallic elements throughout the range of motion or under simulated crash impact conditions. (c) The structural properties of the dummy are such that the dummy must conform to this Subpart in every respect before use in any test similar to those specified in Standard 208, “Occupant Crash Protection”, and Standard 213, “Child Restraint Systems”. | ||||
| 49:49:7.1.1.1.1.13.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | N | Subpart N—Six-year-old Child Test Dummy, Beta Version | § 572.122 Head assembly and test procedure. | NHTSA | (a) The head assembly for this test consists of the complete head (drawing 127-1000), a six-axis neck transducer (drawing SA572-S11) or its structural replacement (drawing 78051-383X), a head to neck-to-pivot pin (drawing 78051-339), and 3 accelerometers (drawing SA572-S4). (b) When the head assembly in paragraph (a) of this section is dropped from a height of 376.0 ±1.0 mm (14.8 ±0.04 in) in accordance with paragraph (c) of this section, the peak resultant acceleration at the location of the accelerometers at the head CG may not be less than 245 G or more than 300 G. The resultant acceleration vs. time history curve shall be unimodal; oscillations occurring after the main pulse must be less than 10 percent of the peak resultant acceleration. The lateral acceleration shall not exceed 15 g's (zero to peak). (c) Head test procedure. The test procedure for the head is as follows: (1) Soak the head assembly in a controlled environment at any temperature between 18.9 and 25.6 °C (66 and 78 °F) and a relative humidity from 10 to 70 percent for at least four hours prior to a test. (2) Prior to the test, clean the impact surface of the skin and the impact plate surface with isopropyl alcohol, trichloroethane, or an equivalent. The skin of the head must be clean and dry for testing. (3) Suspend the head assembly as shown in Figure N1. The lowest point on the forehead must be 376.0 ±1.0 mm (14.8 ±0.04 in) from the impact surface and the head must be oriented to an incline of 62 ±1 deg. between the “D” plane as shown in Figure N1 and the plane of the impact surface. The 1.57 mm (0.062 in) diameter holes located on either side of the dummy's head shall be used to ensure that the head is level with respect to the impact surface. (4) Drop the head assembly from the specified height by means that ensure a smooth, instant release onto a rigidly supported flat horizontal steel plate which is 50.8 mm (2 in) thick and 610 mm (24 in) square. The impact surface shall be clean, dry and have a micro finish of not less than 203.… | |||||
| 49:49:7.1.1.1.1.13.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | N | Subpart N—Six-year-old Child Test Dummy, Beta Version | § 572.123 Neck assembly and test procedure. | NHTSA | (a) The neck assembly for the purposes of this test consists of the assembly of components shown in drawing 127-1015. (b) When the head-neck assembly consisting of the head (drawing 127-1000), neck (drawing 127-1015), pivot pin (drawing 78051-339), bib simulator (drawing TE127-1025, neck bracket assembly (drawing 127-8221), six-axis neck transducer (drawing SA572-S11), neck mounting adaptor (drawing TE-2208-001), and three accelerometers (drawing SA572-S4) installed in the head assembly as specified in § 572.122, is tested according to the test procedure in paragraph (c) of this section, it shall have the following characteristics: (1) Flexion. (i) Plane D, referenced in Figure N2, shall rotate in the direction of preimpact flight with respect to the pendulum's longitudinal centerline between 74 degrees and 92 degrees. Within this specified rotation corridor, the peak moment about the occipital condyles shall be not less than 27 N-m (19.9 ft-lbf) and not more than 33 N-m (24.3 ft-lbf). (ii) The positive moment shall decay for the first time to 5 N-m (3.7 ft-lbf) between 103 ms and 123 ms. (iii) The moment shall be calculated by the following formula: Moment (N-m) = M y −(0.01778m) × (F X ). (iv) M y is the moment about the y-axis and F X is the shear force measured by the neck transducer (drawing SA572-S11) and 0.01778m is the distance from force to occipital condyle. (2) Extension. (i) Plane D, referenced in Figure N3, shall rotate in the direction of preimpact flight with respect to the pendulum's longitudinal centerline between 85 degrees and 103 degrees. Within this specified rotation corridor, the peak moment about the occipital condyles shall be not more than −19 N-m (−14 ft-lbf) and not less than −24 N-m (−17.7ft-lbf). (ii) The negative moment shall decay for the first time to −5 N-m (−3.7 ft-lbf) between 123 ms and 147 ms. (iii) The moment shall be calculated by the following formula: Moment (N-m) = M y −(0.01778m) × (F X ). (iv) M y is the moment about the y-axis and F X is the shear for… | |||||
| 49:49:7.1.1.1.1.13.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | N | Subpart N—Six-year-old Child Test Dummy, Beta Version | § 572.124 Thorax assembly and test procedure. | NHTSA | [65 FR 2065, Jan. 13, 2000, as amended at 67 FR 47327, July 18, 2002] | (a) Thorax (upper torso) assembly. The thorax consists of the part of the torso assembly shown in drawing 127-2000. (b) When the anterior surface of the thorax of a completely assembled dummy (drawing 127-0000) is impacted by a test probe conforming to section 572.127(a) at 6.71 ±0.12 m/s (22.0 ±0.4 ft/s) according to the test procedure in paragraph (c) of this section: (1) The maximum sternum displacement (compression) relative to the spine, measured with chest deflection transducer (drawing SA572-S50), must be not less than 38.0 mm (1.50 in) and not more than 46.0 mm (1.80 in). Within this specified compression corridor, the peak force, measured by the probe in accordance with section 572.127, shall not be less than 1150 N (259 lbf) and not more than 1380 N (310 lbf). The peak force after 12.5 mm (0.5 in) of sternum displacement but before reaching the minimum required 38.0 mm (1.5 in) sternum displacement limit shall not exceed 1500 N (337.2 lbf). (2) The internal hysteresis of the ribcage in each impact as determined by the plot of force vs. deflection in paragraph (b)(1) of this section shall be not less than 65 percent but not more than 85 percent. (c) Test procedure. The test procedure for the thorax assembly is as follows: (1) Soak the dummy in a controlled environment at any temperature between 20.6° and 22.2 °C (69° and 72 °F) and a relative humidity between 10 and 70 percent for at least four hours prior to a test. (2) Seat and orient the dummy, wearing tight-fitting underwear or equivalent consisting of a size 5 short-sleeved shirt having a weight less than 0.090 kg (0.2 lb) and an opening at the top just large enough to permit the passage of the head with a tight fit, and a size 4 pair of long pants having a weight of less than 0.090 kg (0.2 lb) with the legs cut off sufficiently above the knee to allow the knee target to be visible, on a seating surface without back support as shown in Figure N4, with the limbs extended horizontally and forward, parallel to the midsagittal plane, the midsa… | ||||
| 49:49:7.1.1.1.1.13.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | N | Subpart N—Six-year-old Child Test Dummy, Beta Version | § 572.125 Upper and lower torso assemblies and torso flexion test procedure. | NHTSA | (a) Upper/lower torso assembly. The test objective is to determine the stiffness effects of the lumbar spine (drawing 127-3002), including cable (drawing 127-8095), mounting plate insert (drawing 910420-048), nylon shoulder bushing (drawing 9001373), nut (drawing 9001336), and abdominal insert (drawing 127-8210), on resistance to articulation between upper torso assembly (drawing 127-2000) and lower torso assembly (drawing 127-3000). (b)(1) When the upper torso assembly of a seated dummy is subjected to a force continuously applied at the head to neck pivot pin level through a rigidly attached adaptor bracket as shown in Figure N5 according to the test procedure set out in paragraph (c) of this section, the lumbar spine-abdomen assembly shall flex by an amount that permits the upper torso assembly to translate in angular motion until the machined rear surface of the instrument cavity at the back of the thoracic spine box is at 45 ±0.5 degrees relative to the vertical transverse plane, at which time the force applied as shown in Figure N5 must be not less than 147 N (33 lbf) and not more than 200 N (45 lbf), and (2) Upon removal of the force, the torso assembly must return to within 8 degrees of its initial position. (c) Test procedure. The test procedure for the torso assemblies is as follows: (1) Soak the dummy in a controlled environment at any temperature between 18.9 and 25.6 °C (66 and 78 °F) and a relative humidity between 10 and 70 percent for at least four hours prior to a test. (2) Attach the dummy (with or without the legs below the femurs) to the fixture in a seated posture as shown in Figure N5. (3) Secure the pelvis at the pelvis instrument cavity rear face by threading four 1/4 in cap screws into the available threaded attachment holes. Tighten the mountings so that the test material is rigidly affixed to the test fixture and the pelvic-lumbar joining surface is horizontal. (4) Flex the thorax forward three times between vertical and until the torso reference plane, as shown in figure … | |||||
| 49:49:7.1.1.1.1.13.1.7 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | N | Subpart N—Six-year-old Child Test Dummy, Beta Version | § 572.126 Knees and knee impact test procedure. | NHTSA | [65 FR 2065, Jan. 13, 2000, as amended at 67 FR 47328, July 18, 2002] | (a) Knee assembly. The knee assembly is part of the leg assembly (drawing 127-4000-1 and -2). (b) When the knee assembly, consisting of knee machined (drawing 127-4013), knee flesh (drawing 127-4011), lower leg (drawing 127-4014), the foot assembly (drawing 127-4030-1(left) and -2 (right)) and femur load transducer (drawing SA572-S10) or its structural replacement (drawing 127-4007) is tested according to the test procedure in section 572.127(c), the peak resistance force as measured with the test probe mounted accelerometer must be not less than 2.0 kN (450 lbf) and not more than 3.0 kN (674 lbf). (c) Test procedure. The test procedure for the knee assembly is as follows: (1) Soak the knee assembly in a controlled environment at any temperature between 18.9 and 25.6 °C (66 and 78 °F) and a relative humidity from 10 to 70 percent for at least four hours prior to a test. (2) Mount the test material and secure it to a rigid test fixture as shown in Figure N6. No contact is permitted between any part of the foot or tibia and any exterior surface. (3) Align the test probe so that throughout its stroke and at contact with the knee it is within 2 degrees of horizontal and collinear with the longitudinal centerline of the femur. (4) Guide the pendulum so that there is no significant lateral vertical or rotational movement at time-zero. (5) The test probe velocity at the time of contact shall be 2.1 ±0.03 m/s (6.9 # 0.1 ft/s). (6) No suspension hardware, suspension cables, or any other attachments to the probe, including the velocity vane, shall make contact with the dummy during testing. | ||||
| 49:49:7.1.1.1.1.13.1.8 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | N | Subpart N—Six-year-old Child Test Dummy, Beta Version | § 572.127 Test conditions and instrumentation. | NHTSA | [65 FR 2065, Jan. 13, 2000, as amended at 67 FR 47328, July 18, 2002] | (a) The test probe for thoracic impacts, except for attachments, shall be of rigid metal or metal alloy construction and concentric about its longitudinal axis. Any attachments to the impactor, such as suspension hardware, velocity vanes, etc., must meet the requirements of § 572.124(c)(6). The impactor shall have a mass of 2.86 ±0.02 kg (6.3 ±0.05 lb) and a minimum mass moment of inertia of 160 kg-c 2 (0.141 lb-in-sec 2 ) in yaw and pitch about the CG of the probe. One third of the weight of suspension cables and any attachments to the impact probe must be included in the calculation of mass, and such components may not exceed five percent of the total weight of the probe. The impacting end of the probe, has a flat, continuous, and non-deformable 101.6 ±0.25 mm (4.00 ±0.01 in) diameter face with an edge radius of 7.6/12.7 mm (0.3/0.5 in). The impactor shall have a 101-103 mm (4.0-4.1 in) diameter cylindrical surface extending for a minimum of 12.5 mm (0.5 in) to the rear from the impact face. The probe's end opposite to the impact face has provisions for mounting an accelerometer with its sensitive axis collinear with the longitudinal axis of the probe. The impact probe shall have a free air resonant frequency of not less than 1000 Hz limited to the direction of the longitudinal axis of the impactor. (b) The test probe for knee impacts, except for attachments, shall be of rigid metal or alloy construction and concentric about its longitudinal axis. Any attachments to the impactor, such as suspension hardware, velocity vanes, etc., must meet the requirements of § 572.126(c)(6). The impactor shall have a mass of 0.82 ±0.02 kg (1.8 ±0.05 lb) and a minimum mass moment of inertia of 34 kg-cm2 (0.03 lb-in-sec2) in yaw and pitch about the CG of the probe. One third of the weight of suspension cables and any attachments to the impact probe must be included in the calculation of mass, and such components may not exceed five percent of the total weight of the probe. The impacting end of the probe, has a flat, continuo… | ||||
| 49:49:7.1.1.1.1.14.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | O | Subpart O—Hybrid III 5th Percentile Adult Female Test Dummy | § 572.130 Incorporation by reference. | NHTSA | [90 FR 263, Jan. 3, 2025] | Certain material is incorporated by reference (IBR) into this subpart with the approval of the Director of the Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. To enforce any edition other than that specified in this section, the National Highway Traffic Safety Administration (NHTSA) must publish a document in the Federal Register and the material must be available to the public. All approved material is available for inspection at NHTSA and at the National Archives and Records Administration (NARA). Contact NHTSA at: 1200 New Jersey Avenue SE, Washington, DC 20590; phone: (202) 366-2588; website: www.nhtsa.gov/about-nhtsa/electronic-reading-room. For information on the availability of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations or email fr.inspection@nara.gov. The material may be obtained from the following sources: (a) NHTSA Technical Information Services, 1200 New Jersey Ave. SE, Washington, DC 20590; phone: 202-366-2588; website: https://www.nhtsa.gov. (1) Engineering Drawings, Part 572 Subpart O Hybrid III 5th Percentile Small Adult Female Test Dummy, December 2022 (the Engineering Drawings); IBR approved for §§ 572.131, 572.132, 572.133, 572.134, 572.135, 572.136, and 572.137. (2) Parts/Drawing List, Part 572 Subpart O, Hybrid III 5th Percentile Small Adult Female Crash Test Dummy, December 2022 (the Parts/Drawings List); IBR approved for § 572.131. (3) Procedures for the Assembly, Disassembly, and Inspection (PADI) of the Hybrid III 5th Percentile Adult Female Crash Test Dummy (HIII-05F), June 2022 (the PADI); IBR approved for § 572.131. (b) SAE International, 400 Commonwealth Drive, Warrendale, PA 15096; phone: 1-877-606-7323; website: https://www.sae.org. (1) SAE Recommended Practice J211-1, Instrumentation for Impact Test; Part 1—Electronic Instrumentation, August 2022 (SAE J211-1); IBR approved for § 572.137. (2) SAE Recommended Practice J211-2, Instrumentation for Impact Tests—Part 2: Photographic Instrumentation, April 2022 (SAE J211-2); … | ||||
| 49:49:7.1.1.1.1.14.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | O | Subpart O—Hybrid III 5th Percentile Adult Female Test Dummy | § 572.131 General description. | NHTSA | [65 FR 10968, Mar. 1, 2000, as amended at 67 FR 46414, July 15, 2002; 90 FR 263, Jan. 3, 2025] | (a) The Hybrid III fifth percentile adult female crash test dummy is defined by drawings and specifications containing the following materials: (1) The Engineering Drawings (incorporated by reference, see § 572.130), including the drawings listed in table 1 to § 572.131(a); (2) The Parts/Drawings List (incorporated by reference, see § 572.130); and (3) The PADI (incorporated by reference, see § 572.130). Table 1 to § 572.131(a)—Drawings List for Engineering Drawings, Part 572 Subpart O Hybrid III 5th Percentile Small Adult Female Test Dummy (b) Adjacent segments are joined in a manner such that, except for contacts existing under static conditions, there is no contact between metallic elements throughout the range of motion or under simulated crash impact conditions. (c) The structural properties of the dummy are such that the dummy conforms to this Subpart in every respect before use in any test similar to those specified in Standard 208, Occupant Crash Protection. | ||||
| 49:49:7.1.1.1.1.14.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | O | Subpart O—Hybrid III 5th Percentile Adult Female Test Dummy | § 572.132 Head assembly and test procedure. | NHTSA | [65 FR 10968, Mar. 1, 2000, as amended at 90 FR 263, Jan. 3, 2025] | All assemblies and drawings referenced in this section are contained in the Engineering Drawings (incorporated by reference, see § 572.130). (a) The head assembly for this test consists of the complete head (drawing 880105-100X), a six-axis neck transducer (drawing SA572-S11) or its structural replacement (drawing 78051-383X), and 3 accelerometers (drawing SA572-S4). (b) When the head assembly is dropped from a height of 376.0 ±1.0 mm (14.8 ±0.04 in) in accordance with subsection (c) of this section, the peak resultant acceleration at the location of the accelerometers at the head CG may not be less than 250 G or more than 300 G. The resultant acceleration vs. time history curve shall be unimodal; oscillations occurring after the main pulse must be less than 10 percent of the peak resultant acceleration. The lateral acceleration shall not exceed 15 G (zero to peak). (c) The test procedure for the head is as follows: (1) Soak the head assembly in a controlled environment at any temperature between 18.9 and 25.6 °C (66 and 78 °F) and a relative humidity from 10 to 70 percent for at least four hours prior to a test. (2) Prior to the test, clean the impact surface of the skin and the impact plate surface with isopropyl alcohol, trichloroethane, or an equivalent. The skin of the head must be clean and dry for testing. (3) Suspend and orient the head assembly as shown in Figure 19 of 49 CFR 572. The lowest point on the forehead must be 376.0 ±1.0 mm (14.8 ±0.04 in) from the impact surface. The 1.57 mm (0.062 in) diameter holes located on either side of the dummy's head shall be used to ensure that the head is level with respect to the impact surface. (4) Drop the head assembly from the specified height by means that ensure a smooth, instant release onto a rigidly supported flat horizontal steel plate which is 50.8 mm (2.0 in) thick and 610 mm (24.0 in) square. The impact surface shall be clean, dry and have a micro finish of not less than 203.2. × 10 −6 mm (8 micro inches) (RMS) and not more than 2032.0 × 10 −6… | ||||
| 49:49:7.1.1.1.1.14.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | O | Subpart O—Hybrid III 5th Percentile Adult Female Test Dummy | § 572.133 Neck assembly and test procedure. | NHTSA | [65 FR 10968, Mar. 1, 2000, as amended at 67 FR 46414, July 15, 2002; 90 FR 263, Jan. 3, 2025] | All assemblies and drawings referenced in this section are contained in the Engineering Drawings (incorporated by reference, see § 572.130). (a) The neck assembly for the purposes of this test consists of the assembly of components shown in drawing 880105-250. (b) When the head-neck assembly consisting of the head (drawing 880105-100X), neck (drawing 880105-250), bib simulator (drawing 880105-371), upper neck adjusting bracket (drawing 880105-207), lower neck adjusting bracket (drawing 880105-208), six-axis neck transducer (drawing SA572-S11), and either three accelerometers (drawing SA572-S4) or their mass equivalent installed in the head assembly as specified in drawing 880105-100X, is tested according to the test procedure in subsection (c) of this section, it shall have the following characteristics: (1) Flexion. (i) Plane D, referenced in figure O1 to this subpart O, shall rotate in the direction of preimpact flight with respect to the pendulum's longitudinal centerline between 77 degrees and 91 degrees. During the time interval while the rotation is within the specified corridor, the peak moment, measured by the neck transducer (drawing SA5572-311), about the occipital condyles may not be less than 69 N-m (51 ft-lbf) and not more than 83 N-m (61 ft-lbf). The positive moment shall decay for the first time to 10 N-m (7.4 ft-lbf) between 80 ms and 100 ms after time zero. (ii) The moment shall be calculated by the following formula: Moment (N-m)= M y −(0.01778m) × (F x ). (iii) M y is the moment about the y-axis, F x is the shear force measured by the neck transducer (drawing SA572-S11), and 0.01778m is the distance from force to occipital condyle. (2) Extension. (i) Plane D, referenced in figure O2 to this subpart O, shall rotate in the direction of preimpact flight with respect to the pendulum's longitudinal centerline between 99 degrees and 114 degrees. During the time interval while the rotation is within the specified corridor, the peak moment, measured by the neck transducer (drawing SA… | ||||
| 49:49:7.1.1.1.1.14.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | O | Subpart O—Hybrid III 5th Percentile Adult Female Test Dummy | § 572.134 Thorax assembly and test procedure. | NHTSA | [65 FR 10968, Mar. 1, 2000, as amended at 67 FR 46415, July 15, 2002; 90 FR 264, Jan. 3, 2025] | All assemblies and drawings referenced in this section are contained in the Engineering Drawings (incorporated by reference, see § 572.130). (a) The thorax (upper torso) assembly consists of the part of the torso assembly shown in drawing 880105-300. (b) When the anterior surface of the thorax of a completely assembled dummy (drawing 880105-000) is impacted by a test probe conforming to section 572.137(a) at 6.71 ±0.12 m/s (22.0 ±0.4 ft/s) according to the test procedure in subsection (c) of this section: (1) Maximum sternum displacement (compression) relative to the spine, measured with chest deflection transducer (drawing SA572-S5), must be not less than 50.0 mm (1.97 in) and not more than 58.0 mm (2.30 in). Within this specified compression corridor, the peak force, measured by the impact probe as defined in section 572.137 and calculated in accordance with paragraph (b)(3) of this section, shall not be less than 3900 N (876 lbf) and not more than 4400 N (989 lbf). The peak force after 18.0 mm (0.71 in) of sternum displacement but before reaching the minimum required 50.0 mm (1.97 in) sternum displacement limit shall not exceed 4600 N. (2) The internal hysteresis of the ribcage in each impact as determined by the plot of force vs. deflection in paragraph (1) of this section shall be not less than 69 percent but not more than 85 percent. The hysteresis shall be calculated by determining the ratio of the area between the loading and unloading portions of the force deflection curve to the area under the loading portion of the curve. (3) The force shall be calculated by the product of the impactor mass and its deceleration. (c) The test procedure for the thorax assembly is as follows: (1) The dummy is clothed in a form fitting cotton stretch above-the-elbow sleeved shirt and above-the-knee pants. The weight of the shirt and pants shall not exceed 0.14 kg (0.30 lb) each. (2) Soak the dummy in a controlled environment at any temperature between 20.6 and 22.2 °C (69 and 72 °F) and a relative humidity between … | ||||
| 49:49:7.1.1.1.1.14.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | O | Subpart O—Hybrid III 5th Percentile Adult Female Test Dummy | § 572.135 Upper and lower torso assemblies and torso flexion test procedure. | NHTSA | [65 FR 10968, Mar. 1, 2000, as amended at 90 FR 264, Jan. 3, 2025] | All assemblies and drawings referenced in this section are contained in the Engineering Drawings (incorporated by reference, see § 572.130). (a) The test objective is to determine the stiffness effects of the lumbar spine (drawing 880105-1096), and abdominal insert (drawing 880105-434), on resistance to articulation between the upper torso assembly (drawing 880105-300) and the lower torso assembly (drawing 880105-450). (b)(1) When the upper torso assembly of a seated dummy is subjected to a force continuously applied at the head to neck pivot pin level through a rigidly attached adaptor bracket as shown in figure O4 of this subpart O according to the test procedure set out in paragraph (c) of this section, the lumbar spine-abdomen assembly shall flex by an amount that permits the upper torso assembly to translate in angular motion relative to the vertical transverse plane 45 ±0.5 degrees at which time the force applied must be not less than 320 N (71.5 lbf) and not more than 390 N (87.4 lbf), and (2) Upon removal of the force, the torso assembly must return to within 8 degrees of its initial position. (c) The test procedure for the upper/lower torso assembly is as follows: (1) Soak the dummy in a controlled environment at any temperature between 18.9 and 25.6 °C (66 and 78 °F) and a relative humidity between 10 and 70 percent for at least four hours prior to a test. (2) Assemble the complete dummy (with or without the legs below the femurs) and attach to the fixture in a seated posture as shown in figure O4 of this subpart O. (3) Secure the pelvis to the fixture at the pelvis instrument cavity rear face by threading four 1/4 inch cap screws into the available threaded attachment holes. Tighten the mountings so that the test material is rigidly affixed to the test fixture and the pelvic-lumbar joining surface is horizontal. (4) Attach the loading adapter bracket to the spine of the dummy as shown in figure O4 of this subpart O. (5) Inspect and adjust, if necessary, the seating of the abdominal insert… | ||||
| 49:49:7.1.1.1.1.14.1.7 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | O | Subpart O—Hybrid III 5th Percentile Adult Female Test Dummy | § 572.136 Knees and knee impact test procedure. | NHTSA | [65 FR 10968, Mar. 1, 2000, as amended at 67 FR 46415, July 15, 2002; 90 FR 264, Jan. 3, 2025] | All assemblies and drawings referenced in this section are contained in the Engineering Drawings (incorporated by reference, see § 572.130). (a) The knee assembly for the purpose of this test is the part of the leg assembly shown in drawing 880105-560. (b)(1) When the knee assembly, consisting of sliding knee assembly (drawing 880105-528R or -528L), lower leg structural replacement (drawing 880105-603), lower leg flesh (drawing 880105-601), ankle assembly (drawing 880105-660), foot assembly (drawing 880105-651 or 650), and femur load transducer (drawing SA572-S14) or its structural replacement (drawing 78051-319) is tested according to the test procedure in subsection (c), the peak resistance force as measured with the test probe-mounted accelerometer must be not less than 3450 N (776 lbf) and not more than 4060 N (913 lbf). (2) The force shall be calculated by the product of the impactor mass and its deceleration. (c) The test procedure for the knee assembly is as follows: (1) Soak the knee assembly in a controlled environment at any temperature between 18.9 and 25.6 °C (66 and 78 °F) and a relative humidity from 10 to 70 percent for at least four hours prior to a test. (2) Mount the test material and secure it to a rigid test fixture as shown in figure O5 of this subpart O. No part of the foot or tibia may contact any exterior surface. (3) Align the test probe so that throughout its stroke and at contact with the knee it is within 2 degrees of horizontal and collinear with the longitudinal centerline of the femur. (4) Guide the pendulum so that there is no significant lateral vertical or rotational movement at the time of initial contact between the impactor and the knee. (5) The test probe velocity at the time of contact shall be 2.1 ±0.03 m/s (6.9 ±0.1 ft/s). (6) No suspension hardware, suspension cables, or any other attachments to the probe, including the velocity vane, shall make contact with the dummy during the test. | ||||
| 49:49:7.1.1.1.1.14.1.8 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | O | Subpart O—Hybrid III 5th Percentile Adult Female Test Dummy | § 572.137 Test conditions and instrumentation. | NHTSA | [65 FR 10968, Mar. 1, 2000, as amended at 67 FR 46415, July 15, 2002; 74 FR 29894, June 23, 2009; 90 FR 264, Jan. 3, 2025] | All assemblies and drawings referenced in this section are contained in the Engineering Drawings (incorporated by reference, see § 572.130). (a) The test probe for thoracic impacts, except for attachments, shall be of rigid metallic construction and concentric about its longitudinal axis. Any attachments to the impactor, such as suspension hardware, impact vanes, etc., must meet the requirements of § 572.134(c)(7). The impactor shall have a mass of 13.97 ±0.23 kg (30.8 ±0.5 lbs) and a minimum mass moment of inertia of 3646 kg-cm 2 (3.22 lbs-in-sec 2 ) in yaw and pitch about the CG of the probe. One-third (1/3) of the weight of suspension cables and any attachments to the impact probe must be included in the calculation of mass, and such components may not exceed five percent of the total weight of the test probe. The impacting end of the probe, perpendicular to and concentric with the longitudinal axis of the probe, has a flat, continuous, and non-deformable 152.4 ±0.25 mm (6.00 ±0.01 in) diameter face with a minimum/maximum edge radius of 7.6/12.7 mm (0.3/0.5 in). The impactor shall have a 152.4-152.6 mm (6.0-6.1 in) diameter cylindrical surface extending for a minimum of 25 mm (1.0 in) to the rear from the impact face. The probe's end opposite to the impact face has provisions for mounting of an accelerometer with its sensitive axis collinear with the longitudinal axis of the probe. The impact probe has a free air resonant frequency of not less than 1000 Hz, which may be determined using the procedure listed in Docket No. NHTSA-6714-14. (b) The test probe for knee impacts, except for attachments, shall be of rigid metallic construction and concentric about its longitudinal axis. Any attachments to the impactor, such as suspension hardware, impact vanes, etc., must meet the requirements of § 572.136(c)(6). The impactor shall have a mass of 2.99±0.23 kg (6.6±0.5 lbs) and a minimum mass moment of inertia of 209 kg-cm 2 (0.177 lb-in-sec 2 ) in yaw and pitch about the CG of the probe. One-third (1/3) of the … | ||||
| 49:49:7.1.1.1.1.15.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | P | Subpart P—3-year-Old Child Crash Test Dummy, Alpha Version | § 572.140 Incorporation by reference. | NHTSA | [65 FR 15262, Mar. 22, 2000, as amended at 66 FR 64376, Dec. 13, 2001] | (a) The following materials are hereby incorporated in this subpart P by reference: (1) A drawings and specifications package entitled, “Parts List and Drawings, Subpart P Hybrid III 3-year-old child crash test dummy, (H-III3C, Alpha version) September 2001,” incorporated by reference in § 572.141 and consisting of: (i) Drawing No. 210-1000, Head Assembly, incorporated by reference in §§ 572.141, 572.142, 572.144, 572.145, and 572.146; (ii) Drawing No. 210-2001, Neck Assembly, incorporated by reference in §§ 572.141, 572.143, 572.144, 572.145, and 572.146; (iii) Drawing No. TE-208-000, Headform, incorporated by reference in §§ 572.141, and 572.143; (iv) Drawing No. 210-3000, Upper/Lower Torso Assembly, incorporated by reference in §§ 572.141, 572.144, 572.145, and 572.146; (v) Drawing No. 210-5000-1(L), -2(R), Leg Assembly, incorporated by reference in §§ 572.141, 572.144, 572.145 as part of a complete dummy assembly; (vi) Drawing No. 210-6000-1(L), -2(R), Arm Assembly, incorporated by reference in §§ 572.141, 572.144, and 572.145 as part of the complete dummy assembly; (2) A procedures manual entitled “Procedures for Assembly, Disassembly and Inspection (PADI), Subpart P, Hybird III 3-year-old Child Crash Test Dummy, (H-III3C, Alpha Version) September 2001,” incorporated by reference in § 572.141; (3) SAE Recommended Practice J211/1, Rev. Mar 95 “Instrumentation for Impact Tests—Part 1-Electronic Instrumentation”, incorporated by reference in § 572.146; (4) SAE J1733 1994-12 “Sign Convention for Vehicle Crash Testing” incorporated by reference in § 572.146. (5) The Director of the Federal Register approved those materials incorporated by reference in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies of the materials may be inspected at NHTSA's Docket Section, 400 Seventh Street SW, room 5109, Washington, DC, or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_r… | ||||
| 49:49:7.1.1.1.1.15.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | P | Subpart P—3-year-Old Child Crash Test Dummy, Alpha Version | § 572.141 General description. | NHTSA | (a) The Hybrid III 3-year-old child dummy is described by the following materials: (1) Technical drawings and specifications package 210-0000 (refer to § 572.140(a)(1)), the titles of which are listed in Table A of this section; (2) Procedures for Assembly, Disassembly and Inspection document (PADI) (refer to § 572.140(a)(2)). (b) The dummy is made up of the component assemblies set out in the following Table A of this section: Table A (c) Adjacent segments are joined in a manner such that except for contacts existing under static conditions, there is no contact between metallic elements throughout the range of motion or under simulated crash impact conditions. (d) The structural properties of the dummy are such that the dummy conforms to this part in every respect only before use in any test similar to those specified in Standard 208, Occupant Crash Protection, and Standard 213, Child Restraint Systems. | |||||
| 49:49:7.1.1.1.1.15.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | P | Subpart P—3-year-Old Child Crash Test Dummy, Alpha Version | § 572.142 Head assembly and test procedure. | NHTSA | (a) The head assembly (refer to § 572.140(a)(1)(i)) for this test consists of the head (drawing 210-1000), adapter plate (drawing ATD 6259), accelerometer mounting block (drawing SA 572-S80), structural replacement of 1/2 mass of the neck load transducer (drawing TE-107-001), head mounting washer (drawing ATD 6262), one 1/2 -20 × 1″ flat head cap screw (FHCS) (drawing 9000150), and 3 accelerometers (drawing SA-572-S4). (b) When the head assembly in paragraph (a) of this section is dropped from a height of 376.0±1.0 mm (14.8±0.04 in) in accordance with paragraph (c) of this section, the peak resultant acceleration at the location of the accelerometers at the head CG shall not be less than 250 g or more than 280 g. The resultant acceleration versus time history curve shall be unimodal, and the oscillations occurring after the main pulse shall be less than 10 percent of the peak resultant acceleration. The lateral acceleration shall not exceed ±15 G (zero to peak). (c) Head test procedure. The test procedure for the head is as follows: (1) Soak the head assembly in a controlled environment at any temperature between 18.9 and 25.6 °C (66 and 78 °F) and at any relative humidity between 10 and 70 percent for at least four hours prior to a test. (2) Prior to the test, clean the impact surface of the head skin and the steel impact plate surface with isopropyl alcohol, trichlorethane, or an equivalent. Both impact surfaces must be clean and dry for testing. (3) Suspend the head assembly with its midsagittal plane in vertical orientation as shown in Figure P1 of this subpart. The lowest point on the forehead is 376.0 ±1.0 mm (14.76 ±0.04 in) from the steel impact surface. The 3.3 mm (0.13 in) diameter holes, located on either side of the dummy's head in transverse alignment with the CG, shall be used to ensure that the head transverse plane is level with respect to the impact surface. (4) Drop the head assembly from the specified height by a means that ensures a smooth, instant release onto a rigidly supported… | |||||
| 49:49:7.1.1.1.1.15.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | P | Subpart P—3-year-Old Child Crash Test Dummy, Alpha Version | § 572.143 Neck-headform assembly and test procedure. | NHTSA | (a) The neck and headform assembly (refer to §§ 572.140(a)(1)(ii) and 572.140(a)(1)(iii)) for the purposes of this test, as shown in Figures P2 and P3 of this subpart, consists of the neck molded assembly (drawing 210-2015), neck cable (drawing 210-2040), nylon shoulder bushing (drawing 9001373), upper mount plate insert (drawing 910420-048), bib simulator (drawing TE-208-050), urethane washer (drawing 210-2050), neck mounting plate (drawing TE-250-021), two jam nuts (drawing 9001336), load-moment transducer (drawing SA 572-S19), and headform (drawing TE-208-000). (b) When the neck and headform assembly, as defined in § 572.143(a), is tested according to the test procedure in paragraph (c) of this section, it shall have the following characteristics: (1) Flexion. (i) Plane D, referenced in Figure P2 of this subpart, shall rotate in the direction of preimpact flight with respect to the pendulum's longitudinal centerline between 70 degrees and 82 degrees. Within this specified rotation corridor, the peak moment about the occipital condyle may not be less than 42 N-m and not more than 53 N-m. (ii) The positive moment shall decay for the first time to 10 N-m between 60 ms and 80 ms after time zero. (iii) The moment and rotation data channels are defined to be zero when the longitudinal centerline of the neck and pendulum are parallel. (2) Extension. (i) Plane D referenced in Figure P3 of this subpart shall rotate in the direction of preimpact flight with respect to the pendulum's longitudinal centerline between 83 degrees and 93 degrees. Within this specified rotation corridor, the peak moment about the occipital condyle may be not more than −43.7 N-m and not less than −53.3 N-m. (ii) The negative moment shall decay for the first time to −10 N-m between 60 and 80 ms after time zero. (iii) The moment and rotation data channels are defined to be zero when the longitudinal centerline of the neck and pendulum are parallel. (c) Test procedure. (1) Soak the neck assembly in a controlled environment at any tempe… | |||||
| 49:49:7.1.1.1.1.15.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | P | Subpart P—3-year-Old Child Crash Test Dummy, Alpha Version | § 572.144 Thorax assembly and test procedure. | NHTSA | [65 FR 15262, Mar. 22, 2000, as amended at 66 FR 64376, Dec. 13, 2001] | (a) Thorax (upper torso) assembly (refer to § 572.140(a)(1)(iv)). The thorax consists of the upper part of the torso assembly shown in drawing 210-3000. (b) When the anterior surface of the thorax of a completely assembled dummy (drawing 210-0000) is impacted by a test probe conforming to § 572.146(a) at 6.0 ±0.1 m/s (19.7 ±0.3 ft/s) according to the test procedure in paragraph (c) of this section. (1) Maximum sternum displacement (compression) relative to the spine, measured with the chest deflection transducer (SA-572-S50), must not be less than 32mm (1.3 in) and not more than 38mm (1.5 in). Within this specified compression corridor, the peak force, measured by the probe-mounted accelerometer as defined in § 572.146(a) and calculated in accordance with paragraph (b)(3) of this section, shall be not less than 680 N and not more than 810 N. The peak force after 12.5 mm of sternum compression but before reaching the minimum required 32.0 mm sternum compression shall not exceed 910 N. (2) The internal hysteresis of the ribcage in each impact, as determined from the force vs. deflection curve, shall be not less than 65 percent and not more than 85 percent. The hysteresis shall be calculated by determining the ratio of the area between the loading and unloading portions of the force deflection curve to the area under the loading portion of the curve. (3) The force shall be calculated by the product of the impactor mass and its deceleration. (c) Test procedure. The test procedure for the thorax assembly is as follows: (1) The test dummy is clothed in cotton-polyester-based tight-fitting shirt with long sleeves and ankle-length pants whose combined weight is not more than 0.25 kg (0.55 lbs). (2) Soak the dummy in a controlled environment at any temperature between 20.6 and 22.2 °C (69 and 72 °F) and at any relative humidity between 10 and 70 percent for at least four hours prior to a test. (3) Seat and orient the dummy on a seating surface without back support as shown in Figure P4, with the lower limbs ex… | ||||
| 49:49:7.1.1.1.1.15.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | P | Subpart P—3-year-Old Child Crash Test Dummy, Alpha Version | § 572.145 Upper and lower torso assemblies and torso flexion test procedure. | NHTSA | (a) The test objective is to determine the resistance of the lumbar spine and abdomen of a fully assembled dummy (drawing 210-0000) to flexion articulation between upper and lower halves of the torso assembly (refer to § 572.140(a)(1)(iv)). (b)(1) When the upper half of the torso assembly of a seated dummy is subjected to a force continuously applied at the occipital condyle level through the rigidly attached adaptor bracket in accordance with the test procedure set out in paragraph (c) of this section, the lumbar spine-abdomen assembly shall flex by an amount that permits the upper half of the torso, as measured at the posterior surface of the torso reference plane shown in Figure P5 of this subpart, to translate in angular motion in the midsagittal plane 45 ±0.5 degrees relative to the vertical transverse plane, at which time the pulling force applied must not be less than 130 N (28.8 lbf) and not more than 180 N (41.2 lbf), and (2) Upon removal of the force, the upper torso assembly returns to within 10 degrees of its initial position. (c) Test procedure. The test procedure is as follows: (1) Soak the dummy in a controlled environment at any temperature between 18.9° and 25.6 °C (66 and 78 °F) and at any relative humidity between 10 and 70 percent for at least 4 hours prior to a test. (2) Assemble the complete dummy (with or without the lower legs) and seat it on a rigid flat-surface table, as shown in Figure P5 of this subpart. (i) Unzip the torso jacket and remove the four 1/4 -20 × 3/4 ″ bolts which attach the lumbar load transducer or its structural replacement to the pelvis weldment (drawing 210-4510) as shown in Figure P5 of this subpart. (ii) Position the matching end of the rigid pelvis attachment fixture around the lumbar spine and align it over the four bolt holes. (iii) Secure the fixture to the dummy with the four 1/4 -20 × 3/4 ″ bolts and attach the fixture to the table. Tighten the mountings so that the pelvis-lumbar joining surface is horizontal within ±1 deg and the buttocks a… | |||||
| 49:49:7.1.1.1.1.15.1.7 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | P | Subpart P—3-year-Old Child Crash Test Dummy, Alpha Version | § 572.146 Test conditions and instrumentation. | NHTSA | (a) The test probe for thoracic impacts, except for attachments, shall be of rigid metallic construction and concentric about its longitudinal axis. Any attachments to the impactor such as suspension hardware, and impact vanes, must meet the requirements of § 572.144(c)(7) of this part. The impactor shall have a mass of 1.70 ±0.02 kg (3.75 ±0.05 lb) and a minimum mass moment of inertia 164 kg-cm 2 (0.145 lb-in-sec 2 ) in yaw and pitch about the CG of the probe. One-third ( 1/3 ) of the weight of suspension cables and any attachments to the impact probe must be included in the calculation of mass, and such components may not exceed five percent of the total weight of the test probe. The impacting end of the probe, perpendicular to and concentric with the longitudinal axis of the probe, has a flat, continuous, and non-deformable 50.8 ±0.25 mm (2.00 ±0.01 inch) diameter face with an edge radius of 7.6/12.7 mm (0.3/0.5 in). The impactor shall have a 53.3 mm (2.1 in) dia. cylindrical surface extending for a minimum of 25.4 mm (1.0 in) to the rear from the impact face. The probe's end opposite to the impact face has provisions for mounting an accelerometer with its sensitive axis collinear with the longitudinal axis of the probe. The impact probe has a free air resonant frequency not less than 1000 Hz limited to the direction of the longitudinal axis of the impactor. (b) Head accelerometers shall have the dimensions, response characteristics, and sensitive mass locations specified in drawing SA 572-S4 and be mounted in the head as shown in drawing 210-0000. (c) The neck force-moment transducer shall have the dimensions, response characteristics, and sensitive axis locations specified in drawing SA 572-S19 and be mounted at the upper neck transducer location as shown in drawing 210-0000. A lower neck transducer as specified in drawing SA 572-S19 is allowed to be mounted as optional instrumentation in place of part No. ATD6204, as shown in drawing 210-0000. (d) The shoulder force transducers shall have the dimensi… | |||||
| 49:49:7.1.1.1.1.16.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | R | Subpart R—CRABI 12-Month-Old Infant, Alpha Version | § 572.150 Incorporation by reference. | NHTSA | [65 FR 17188, Mar. 31, 2000, as amended at 66 FR 45784, Aug. 30, 2001] | (a) The following materials are incorporated by reference in this subpart R. (1) A drawings and specifications package entitled “Parts List and Drawings, Subpart R, CRABI 12-Month-Old Infant Crash Test Dummy (CRABI-12, Alpha version) August 2001” and consisting of: (i) Drawing No. 921022-001, Head Assembly, incorporated by reference in §§ 572.151, 572.152, 572.154, and 572.155; (ii) Drawing No. 921022-041, Neck Assembly, incorporated by reference in §§ 572.151, 572.153, 572.154, and 572.155; (iii) Drawing No. TE-3200-160, Headform, incorporated by reference in §§ 572.151 and 572.153; (iv) Drawing No. 921022-060, Torso Assembly, incorporated by reference in §§ 572.151, 572.154, and 572.155; (v) Drawing No. 921022-055, Leg Assembly, incorporated by reference in §§ 572.151, and 572.155 as part of a complete dummy assembly; (vi) Drawing No. 921022-054, Arm Assembly, incorporated by reference in §§ 572.151, and 572.155 as part of the complete dummy assembly; (2) A procedures manual entitled “Procedures for Assembly, Disassembly and Inspection (PADI) Subpart R, CRABI 12-Month-Old Infant Crash Test Dummy (CRABI-12, Alpha version) August 2001” incorporated by reference in § 572.155; (3) SAE Recommended Practice J211/1, Rev. Mar95 “Instrumentation for Impact Tests—Part 1—Electronic Instrumentation”, incorporated by reference in § 572.155; (4) SAE J1733 1994-12 “Sign Convention for Vehicle Crash Testing”, incorporated by reference in § 572.155. (b) The Director of the Federal Register approved those materials incorporated by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies of the materials may be inspected at NHTSA's Docket Section, 400 Seventh Street S.W., room 5109, Washington, DC, or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. (c) The incorporated materials are available as follows: (1) The d… | ||||
| 49:49:7.1.1.1.1.16.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | R | Subpart R—CRABI 12-Month-Old Infant, Alpha Version | § 572.151 General description. | NHTSA | (a) The 12-month-old-infant crash test dummy is described by drawings and specifications containing the following materials: (1) Technical drawings and specifications package 921022-000 (refer to § 572.150(a)(1)), the titles of which are listed in Table A of this section; (2) Procedures for Assembly, Disassembly and Inspection document (PADI) (refer to § 572.150(a)(2)). (b) The dummy consists of the component assemblies set out in the following Table A: Table A (c) Adjacent segments of the dummy are joined in a manner such that, except for contacts existing under static conditions, there is no contact between metallic elements throughout the range of motion or under simulated crash impact conditions. (d) The structural properties of the dummy are such that the dummy shall conform to this Subpart in every respect before its use in any test under this chapter. | |||||
| 49:49:7.1.1.1.1.16.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | R | Subpart R—CRABI 12-Month-Old Infant, Alpha Version | § 572.152 Head assembly and test procedure. | NHTSA | (a) The head assembly (refer to § 572.150(a)(1)(i)) for this test consists of the assembly (drawing 921022-001), triaxial mount block (SA572-80), and 3 accelerometers (drawing SA572-S4). (b) Frontal and rear impact. (1) Frontal impact. When the head assembly in paragraph (a) of this section is dropped from a height of 376.0 ±1.0 mm (14.8 ±0.04 in) in accordance with paragraph (c)(3)(i) of this section, the peak resultant acceleration measured at the head CG shall not be less than 100 g or more than 120 g. The resultant acceleration vs. time history curve shall be unimodal, and the oscillations occurring after the main pulse shall be less than 17 percent of the peak resultant acceleration. The lateral acceleration shall not exceed ±15 g's. (2) Rear impact. When the head assembly in paragraph (a) of this section is dropped from a height of 376.0 ±1.0 mm (14.8 ±0.04 in) in accordance with paragraph (c)(3)(ii) of this section, the peak resultant acceleration measured at the head CG shall be not less than 55 g and not more than 71 g. The resultant acceleration vs. time history curve shall be unimodal, and the oscillations occurring after the main pulse shall be less than 17 percent of the peak resultant acceleration. The lateral acceleration shall not exceed ±15 g's. (c) Head test procedure. The test procedure for the head is as follows: (1) Soak the head assembly in a controlled environment at any temperature between 18.9 and 25.6 °C (66 and 78 °F) and at any relative humidity between 10 and 70 percent for at least four hours prior to a test. These temperature and humidity levels shall be maintained throughout the entire testing period specified in this section. (2) Before the test, clean the impact surface of the head skin and the steel impact plate surface with isopropyl alcohol, trichlorethane, or an equivalent. Both impact surfaces shall be clean and dry for testing. (3)(i) For a frontal impact test, suspend the head assembly with its midsagittal plane in vertical orientation as shown in Figure R1 of … | |||||
| 49:49:7.1.1.1.1.16.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | R | Subpart R—CRABI 12-Month-Old Infant, Alpha Version | § 572.153 Neck-headform assembly and test procedure. | NHTSA | (a) The neck and headform assembly (refer to §§ 572.150(a)(1)(ii) and 572.150(a)(1)(iii)) for the purposes of this test consists of parts shown in CRABI neck test assembly (drawing TE-3200-100); (b) When the neck and headform assembly, as defined in § 572.153(a), is tested according to the test procedure in § 572.153(c), it shall have the following characteristics: (1) Flexion. (i) Plane D referenced in Figure R3 of this subpart shall rotate in the direction of pre-impact flight with respect to the pendulum's longitudinal centerline not less than 75 degrees and not more than 86 degrees. Within this specified rotation corridor, the peak positive moment about the occipital condyles shall be not less than 36 N-m (26.6 ft-lbf) and not more than 45 N-m (33.2 ft-lbf). (ii) The positive moment about the occipital condyles shall decay for the first time to 5 N-m (3.7 ft-lbf) between 60 ms and 80 ms after time zero. (iii) The moment about the occipital condyles shall be calculated by the following formula: Moment (N-m) = My − (0.005842m) × (Fx), where My is the moment about the y-axis, Fx is the shear force measured by the neck transducer (drawing SA572 -S23) and 0.005842m is the distance from the point at which the load cell measures the force to the occipital condyle. (2) Extension. (i) Plane D referenced in Figure R4 of this subpart shall rotate in the direction of preimpact flight with respect to the pendulum's longitudinal centerline not less than 80 degrees and not more than 92 degrees. Within the specified rotation corridor, the peak negative moment about the occipital condyles shall be not more than −12 Nm (−8.9 ft-lbf) and not less than −23 N-m (−17.0 ft-lbf) within the minimum and maximum rotation interval. (ii) The negative moment about the occipital condyles shall decay for the first time to −5 Nm (−3.7 lbf-ft) between 76 ms and 90 ms after time zero. (iii) The moment about the occipital condyles shall be calculated by the following formula: Moment (N-m) = My − (0.005842m) × (Fx), where My is the mo… | |||||
| 49:49:7.1.1.1.1.16.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | R | Subpart R—CRABI 12-Month-Old Infant, Alpha Version | § 572.154 Thorax assembly and test procedure. | NHTSA | [65 FR 17188, Mar. 31, 2000, as amended at 66 FR 45784, Aug. 30, 2001] | (a) Thorax Assembly (refer to § 572.150(a)(1)(iv)) . The thorax consists of the part of the torso assembly shown in drawing 921022-060. (b) When the thorax of a completely assembled dummy (drawing 921022-000) is impacted by a test probe conforming to § 572.155(a) at 5.0 ±0.1m/s (16.5 ±0.3 ft/s) according to the test procedure in paragraph (c) of this section, the peak force, measured by the impact probe in accordance with paragraph § 572.155(a), shall be not less than 1514 N (340.7 lbf) and not more than 1796 N (404.1 lbf). (c) Test procedure. (1) Soak the dummy in a controlled environment at any temperature between 20.6 and 22.2 °C (69 and 72 °F) and at any relative humidity between 10 and 70 percent for at least four hours prior to a test. These temperature and humidity levels shall be maintained throughout the entire testing period specified in this section. (2) The test dummy is clothed in a cotton-polyester based tight fitting sweat shirt with long sleeves and ankle long pants whose combined weight is not more than 0.25 kg (.55 lbs). (3) Seat and orient the dummy on a level seating surface without back support as shown in Figure R5 of this subpart, with the lower limbs extended forward, parallel to the midsagittal plane and the arms 0 to 5 degrees forward of vertical. The dummy's midsagittal plane is vertical within ±/1 degree and the posterior surface of the upper spine box is aligned at 90 ±/1 degrees from the horizontal. (Shim material may be used under the upper legs to maintain the dummy's specified spine box surface alignment). (4) Establish the impact point at the chest midsagittal plane so that the impact point of the longitudinal centerline of the probe coincides with the dummy's midsagittal plane, is centered on the torso 196 ±/2.5 mm (7.7 ±/0.1 in) vertically from the plane of the seating surface, and is within 0.5 degrees of a horizontal plane. (5) Impact the thorax with the test probe so that at the moment of contact the probe's longitudinal center line falls within 2 degrees of a horizo… | ||||
| 49:49:7.1.1.1.1.16.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | R | Subpart R—CRABI 12-Month-Old Infant, Alpha Version | § 572.155 Test conditions and instrumentation. | NHTSA | [65 FR 17188, Mar. 31, 2000, as amended at 66 FR 45784, Aug. 30, 2001] | (a) The test probe for thoracic impacts, except for attachments, shall be of rigid metallic construction and concentric about its longitudinal axis. Any attachments to the impactor, such as suspension hardware, impact vanes, etc., must meet the requirements of § 572.154(c)(7). The impactor shall have a mass of 2.86 ±0.02 kg (6.3 ±0.05 lbs) and a minimum mass moment of inertia of 164 kg-cm 2 (0.145 lb-in-sec 2 ) in yaw and pitch about the CG of the probe. One-third of the weight of suspension cables and any attachments to the impact probe must be included in the calculation of mass, and such components may not exceed five percent of the total weight of the test probe. The impacting end of the probe, perpendicular to and concentric with the longitudinal axis of the probe, has a flat, continuous, and non-deformable 101.6 ±0.25 mm (4.00 ±0.01 in) diameter face with an edge radius of 7.6/12.7 mm (0.3/0.5 in). The impactor shall have a 101-103 mm (4-4.1 in) diameter cylindrical surface extending for a minimum of 12.5 mm (0.5 in) to the rear from the impact face. The probe's end opposite to the impact face has provisions for mounting an accelerometer with its sensitive axis collinear with the longitudinal axis of the probe. The impact probe shall have a free air resonant frequency of not less than 1000 Hz measured in line with the longitudinal axis of the impactor, using the test method shown in the Procedures for Assembly, Disassembly and Inspection (PADI) document referenced in § 572.151. (b) Head accelerometers shall have the dimensions, response characteristics, and sensitive mass locations specified in drawing SA572-S4 and be mounted in the head as shown in drawing 921022-000. (c) The neck force-moment transducer shall have the dimensions, response characteristics, and sensitive axis locations specified in drawing SA572-S23 and shall be mounted for testing as shown in drawing 921022-000 and in figures R3 and R4 of this subpart. (d) The shoulder force transducers shall have the dimensions and response characte… | ||||
| 49:49:7.1.1.1.1.17.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | S | Subpart S—Hybrid III Six-Year-Old Weighted Child Test Dummy | § 572.160 Incorporation by reference. | NHTSA | [69 FR 42602, July 16, 2004, as amended at 70 FR 77338, Dec. 30, 2005; 75 FR 76646, Dec. 9, 2010] | (a) The following materials are hereby incorporated into this subpart S by reference: (1) A drawings and specifications package entitled, “Parts List and Drawings, Part 572 Subpart S, Hybrid III 6-Year-Old Child Weighted Crash Test Dummy (H-III6CW),” dated June 2009, incorporated by reference in § 572.161 and consisting of: (i) Drawing No. 167-0000, Complete Assembly, incorporated by reference in § 572.161; (ii) Drawing No. 167-2000, Upper Torso Assembly, incorporated by reference in §§ 572.161, 572.164, and 572.165 as part of a complete dummy assembly; (iii) Drawing No. 167-2020, Revision A, Spine Box Weight, incorporated by reference in §§ 572.161, 572.164, and 572.165 as part of a complete dummy assembly; (iv) Drawing No. 167-3000, Lower Torso Assembly, incorporated by reference in §§ 572.161, and 572.165 as part of a complete dummy assembly; (v) Drawing No. 167-3010, Revision A, Lumbar Weight Base, incorporated by reference in §§ 572.161 and 572.165 as part of a complete dummy assembly; and (vi) The Hybrid III Weighted Six-Year-Old Child Parts/Drawing List, incorporated by reference in § 572.161. (2) A procedures manual entitled, “Procedures for Assembly, Disassembly, And Inspection (PADI) of the Part 572 Subpart S, Hybrid III 6-Year-Old Child Weighted Crash Test Dummy (H-III6CW), revised June 2009,” incorporated by reference in § 572.161; (3) The Director of the Federal Register approved the materials incorporated by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies of the materials may be inspected at the Department of Transportation, Docket Operations, Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC 20590, telephone (202) 366-9826, and at the National Archives and Records Administration (NARA), and in electronic format through Regulations.gov. For information on the availability and inspection of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. For information on the availab… | ||||
| 49:49:7.1.1.1.1.17.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | S | Subpart S—Hybrid III Six-Year-Old Weighted Child Test Dummy | § 572.161 General description. | NHTSA | [69 FR 42602, July 16, 2004, as amended at 70 FR 77338, Dec. 30, 2005; 75 FR 76646, Dec. 9, 2010] | (a) The Hybrid III Six-Year-Old Weighted Child Test Dummy is defined by drawings and specifications containing the following materials: (1) “Parts List and Drawings, Part 572 Subpart S, Hybrid III 6-Year-Old Child Weighted Crash Test Dummy (H-III6CW),” dated June 2009 (incorporated by reference, see § 572.160); (2) The head, neck, arm, and leg assemblies specified in 49 CFR 572 subpart N; and (3) “Procedures for Assembly, Disassembly, And Inspection (PADI) of the Part 572 Subpart S, Hybrid III 6-Year-Old Child Weighted Crash Test Dummy (H-III6CW), revised June 2009” (incorporated by reference, see § 572.160). Table A 1 Head, neck, arm, and leg assemblies are as specified in 49 CFR 572 subpart N. (b) Adjacent segments are joined in a manner such that except for contacts existing under static conditions, there is no contact between metallic elements throughout the range of motion or under simulated crash impact conditions. (c) The structural properties of the dummy are such that the dummy must conform to Subpart S in every respect and Subpart N as applicable, before use in any test similar to those specified in Standard 208, “Occupant Crash Protection” (49 CFR 571.208), and Standard 213, “Child Restraint Systems” (49 CFR 571.213). | ||||
| 49:49:7.1.1.1.1.17.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | S | Subpart S—Hybrid III Six-Year-Old Weighted Child Test Dummy | § 572.162 Head assembly and test procedure. | NHTSA | The head assembly is assembled and tested as specified in 49 CFR 572.122 (Subpart N). | |||||
| 49:49:7.1.1.1.1.17.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | S | Subpart S—Hybrid III Six-Year-Old Weighted Child Test Dummy | § 572.163 Neck assembly and test procedure. | NHTSA | The neck assembly is assembled and tested as specified in 49 CFR 572.123 (Subpart N). | |||||
| 49:49:7.1.1.1.1.17.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | S | Subpart S—Hybrid III Six-Year-Old Weighted Child Test Dummy | § 572.164 Thorax assembly and test procedure. | NHTSA | (a) Thorax (upper torso) assembly. The thorax consists of the part of the torso assembly shown in drawing 167-2000 (incorporated by reference, see § 572.160). (b) When the anterior surface of the thorax of a completely assembled dummy (drawing 167-2000) that is seated as shown in Figure S1 is impacted by a test probe conforming to 49 CFR 572.127(a) at 6.71 ±0.12 m/s (22.0 ±0.4 ft/s) according to the test procedure specified in 49 CFR 572.124(c): (1) The maximum sternum displacement relative to the spine, measured with chest deflection transducer (specified in 49 CFR 572.124(b)(1)), must be not less than 38.0 mm (1.50 in) and not more than 46.0 mm (1.80 in). Within this specified compression corridor, the peak force, measured by the probe in accordance with 49 CFR 572.127, must be not less than 1205 N (270.9 lbf) and not more than 1435 N (322.6 lbf). The peak force after 12.5 mm (0.5 in) of sternum displacement, but before reaching the minimum required 38.0 mm (1.46 in) sternum displacement limit, must not exceed an upper limit of 1500 N. (2) The internal hysteresis of the ribcage in each impact as determined by the plot of force vs. deflection in paragraph (b)(1) of this section must be not less than 65 percent but not more than 85 percent. (c) Test procedure. The thorax assembly is tested as specified in 49 CFR 572.124(c). | |||||
| 49:49:7.1.1.1.1.17.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | S | Subpart S—Hybrid III Six-Year-Old Weighted Child Test Dummy | § 572.165 Upper and lower torso assemblies and torso flexion test procedure. | NHTSA | [69 FR 42602, July 16, 2004, as amended at 70 FR 77338, Dec. 30, 2005] | (a) Upper/lower torso assembly. The test objective is to determine the stiffness effects of the lumbar spine (specified in 49 CFR 572.125(a)), including cable (specified in 49 CFR 572.125(a)), mounting plate insert (specified in 49 CFR 572.125(a)), nylon shoulder bushing (specified in 49 CFR 572.125(a)), nut (specified in 49 CFR 572.125(a)), spine box weighting plates (drawing 167-2020 Revision A), lumbar base weight (drawing 167-3010 Revision A), and abdominal insert (specified in 49 CFR 572.125(a)), on resistance to articulation between the upper torso assembly (drawing 167-2000) and the lower torso assembly (drawing 167-3000). Drawing Nos. 167-2000, 167-2020 Revision A, 167-3000, and 167-3010 Revision A, are incorporated by reference, see § 572.160. (b)(1) When the upper torso assembly of a seated dummy is subjected to a force continuously applied at the head to neck pivot pin level through a rigidly attached adaptor bracket as shown in Figure S2 according to the test procedure set out in 49 CFR 572.125(c), the lumbar spine-abdomen assembly must flex by an amount that permits the upper torso assembly to translate in angular motion until the machined surface of the instrument cavity at the back of the thoracic spine box is at 45 ±0.5 degrees relative to the transverse plane, at which time the force applied as shown in Figure S2 must be within 88.6 N ±25 N (20.0 lbf ±5.6 lbf), and (2) Upon removal of the force, the torso assembly must return to within 9 degrees of its initial position. (c) Test procedure. The upper and lower torso assemblies are tested as specified in 49 CFR 572.125(c), except that in paragraph (c)(5) of that section, the initial torso orientation angle may not exceed 32 degrees. | ||||
| 49:49:7.1.1.1.1.17.1.7 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | S | Subpart S—Hybrid III Six-Year-Old Weighted Child Test Dummy | § 572.166 Knees and knee impact test procedure. | NHTSA | The knee assembly is assembled and tested as specified in 49 CFR 572.126 (Subpart N). | |||||
| 49:49:7.1.1.1.1.17.1.8 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | S | Subpart S—Hybrid III Six-Year-Old Weighted Child Test Dummy | § 572.167 Test conditions and instrumentation. | NHTSA | The test conditions and instrumentation are as specified in 49 CFR 572.127 (Subpart N). | |||||
| 49:49:7.1.1.1.1.18.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | T | Subpart T—Hybrid III 10-Year-Old Child Test Dummy (HIII-10C) | § 572.170 Incorporation by reference. | NHTSA | [77 FR 11667, Feb. 27, 2012, as amended at 80 FR 35860, June 23, 2015] | (a) Certain material is incorporated by reference (IBR) into this part with the approval of the Director of the Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. To enforce any edition other than that specified in this section, NHTSA must publish notice of change in the Federal Register and the material must be available to the public. All approved material is available for inspection at the Department of Transportation, Docket Operations, Room W12-140, telephone 202-366-9826, and is available from the sources listed below. The material is available in electronic format through Regulations.gov, call 1-877-378-5457 or go to www.regulations.gov. It is also available for inspection at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030 or go to http://www.archives.gov/federal-register/cfr/ibr-locations.html. (b) NHTSA Technical Information Services, 1200 New Jersey Ave., SE., Washington, DC 20590, telephone 202-366-5965. (1) A parts/drawing list entitled, “Parts/Drawing List, Part 572 Subpart T, Hybrid III 10 Year Old Child Test Dummy (HIII-10C), March, 2015,” IBR approved for § 572.171. (2) A drawings and inspection package entitled, “Parts List and Drawings, Part 572 Subpart T, Hybrid III 10 Year Old Child Crash Dummy (HIII-10C), March 2015,” IBR approved for § 572.171, including: (i) Drawing No. 420-0000, Complete Assembly HIII 10-year-old, IBR approved for §§ 572.171, 572.172, 572.173, 572.174, 572.176, and 572.177. (ii) Drawing No. 420-1000, Head Assembly, IBR approved for § 572.171, § 572.172, § 572.173, and § 572.177. (iii) Drawing No. 420-2000, Neck Assembly, IBR approved for §§ 572.171, 572.173, and 572.177. (iv) Drawing No. 420-3000, Upper Torso Assembly, IBR approved for §§ 572.171, 572.174, 572.175, and 572.177. (v) Drawing No. 420-4000, Lower Torso Assembly, IBR approved for §§ 572.171, 572.174, 572.175, and 572.177. (vi) Drawing No. 420-5000-1, Complete Leg Assembly—left, IBR approved for §§ 572.1… | ||||
| 49:49:7.1.1.1.1.18.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | T | Subpart T—Hybrid III 10-Year-Old Child Test Dummy (HIII-10C) | § 572.171 General description. | NHTSA | [77 FR 11667, Feb. 27, 2012, as amended at 80 FR 35860, June 23, 2015] | (a) The Hybrid III 10-year-old Child Test Dummy (HIII-10C) is defined by drawings and specifications containing the following materials: (1) The parts enlisted in “Parts/Drawing List, Part 572 Subpart T, Hybrid III 10 Year Old Child Test Dummy (HIII-10C), March, 2015” (incorporated by reference, see § 572.170), (2) The engineering drawings and specifications contained in “Parts List and Drawings, Part 572 Subpart T, Hybrid III 10 Year Old Child Crash Dummy (HIII-10C), March 2015,” which includes the engineering drawings and specifications described in Drawing 420-0000, the titles of the assemblies of which are listed in Table A, and, (3) A manual entitled “Procedures for Assembly, Disassembly, and Inspection (PADI) of the Hybrid III 10 Year Old Child Test Dummy (HIII-10C), March 2015.” Table A (b) The structural properties of the dummy are such that the dummy conforms to this Subpart in every respect before use in any test. | ||||
| 49:49:7.1.1.1.1.18.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | T | Subpart T—Hybrid III 10-Year-Old Child Test Dummy (HIII-10C) | § 572.172 Head assembly and test procedure. | NHTSA | (a) The head assembly for this test consists of the complete head (drawing 420-1000), a six-axis neck transducer (drawing SA572-S11, included in drawing 420-0000), or its structural replacement (drawing 420-383X), and 3 accelerometers (drawing SA572-S4, included in drawing 420-0000) (all incorporated by reference, see § 572.170). (b) When the head assembly is dropped from a height of 376.0 ±1.0 mm (14.8 ±0.04 in) in accordance with paragraph (c) of this section, the peak resultant acceleration at the location of the accelerometers at the head CG may not be less than 250 G or more than 300 G. The resultant acceleration vs. time history curve shall be unimodal; oscillations occurring after the main pulse must be less than 10 percent of the peak resultant acceleration. The lateral acceleration shall not exceed 15 G (zero to peak). (c) Head test procedure. The test procedure for the head is as follows: (1) Soak the head assembly in a controlled environment at any temperature between 18.9 and 25.6 °C (66 and 78 °F) and a relative humidity from 10 to 70 percent for at least four hours prior to a test. (2) Prior to the test, clean the impact surface of the skin and the impact plate surface with isopropyl alcohol, trichloroethane, or an equivalent. The skin of the head must be clean and dry for testing. (3) Suspend and orient the head assembly as shown in Figure T1. The lowest point on the forehead must be 376.0 ±1.0 mm (14.8 ±0.04 in) from the impact surface. The 1.57 mm (0.062 in) diameter holes located on either side of the dummy's head shall be used to ensure that the head is level with respect to the impact surface. (4) Drop the head assembly from the specified height by means that ensure a smooth, instant release onto a rigidly supported flat horizontal steel plate which is 50.8 mm (2 in) thick and 610 mm (24 in) square. The impact surface shall be clean, dry and have a micro finish of not less than 203.2 × 10 −6 mm (8 micro inches) (RMS) and not more than 2032.0 × 10 −6 mm (80 micro inches) (RMS). (5) All… | |||||
| 49:49:7.1.1.1.1.18.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | T | Subpart T—Hybrid III 10-Year-Old Child Test Dummy (HIII-10C) | § 572.173 Neck assembly and test procedure. | NHTSA | (a) The neck assembly for the purposes of this test consists of the assembly of components shown in drawing 420-2000 (incorporated by reference, see § 572.170). (b) When the head-neck assembly consisting of the head (drawing 420-1000), neck (drawing 420-2000), six-channel neck transducer (SA572-S11, included in drawing 420-0000), lower neck bracket assembly (drawing 420-2070), and either three uniaxial accelerometers (drawing SA572-S4, included in drawing 420-0000) or their mass equivalent installed in the head assembly as specified in drawing 420-1000 (all incorporated by reference, see § 572.170), is tested according to the test procedure in paragraph (c) of this section, it shall have the following characteristics: (1) Flexion. (i) Plane D, referenced in Figure T2, shall rotate in the direction of preimpact flight with respect to the pendulum's longitudinal centerline between 76 degrees and 90 degrees. During the time interval while the rotation is within the specified corridor, the peak moment, measured by the neck transducer (drawing SA572-S11, included in drawing 420-0000) (incorporated by reference, see § 572.170), about the occipital condyles may not be less than 50 N-m (36.9 ft-lbf) and not more than 62 N-m (45.7 ft-lbf). The positive moment shall decay for the first time to 10 N-m (7.4 ft-lbf) between 86 ms and 105 ms after time zero. (ii) The moment shall be calculated by the following formula: Moment (N-m) = M y − (0.01778) × (F X ). (iii) M y is the moment about the y-axis in Newton-meters, F X is the shear force measured by the neck transducer (drawing SA572-S11) in Newtons, and 0.01778 is the distance in meters from the load center of the neck transducer to the occipital condyle. (2) Extension. (i) Plane D, referenced in Figure T3, shall rotate in the direction of preimpact flight with respect to the pendulum's longitudinal centerline between 96 degrees and 115 degrees. During the time interval while the rotation is within the specified corridor, the peak moment, measured by the neck tr… | |||||
| 49:49:7.1.1.1.1.18.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | T | Subpart T—Hybrid III 10-Year-Old Child Test Dummy (HIII-10C) | § 572.174 Thorax assembly and test procedure. | NHTSA | (a) The thorax consists of the part of the torso assembly designated as the upper torso (drawing 420-3000) (incorporated by reference, see § 572.170). (b) When the anterior surface of the thorax of a completely assembled dummy (drawing 420-0000) (incorporated by reference, see § 572.170) is impacted by a test probe conforming to section 572.177 at 6.00 ±0.12 m/s (22.0 ±0.4 ft/s) according to the test procedure in paragraph (c) of this section: (1) Maximum sternum displacement (compression) relative to the spine, measured with chest deflection transducer (drawing SA572-T4, included in drawing 420-0000) (incorporated by reference, see § 572.170), must be not less than 37 mm (1.46 in) and not more than 46 mm (1.81 in). Within this specified compression corridor, the peak force, measured by the impact probe as defined in section 572.177 and calculated in accordance with paragraph (b)(3) of this section, shall not be less than 2.0 kN (450 lbf) and not more than 2.45 kN (551 lbf). The peak force after 20 mm (0.79 in.) of sternum displacement but before reaching the minimum required 37 mm (1.46 in.) sternum displacement limit shall not exceed 2.52 kN (567 lbf). (2) The internal hysteresis of the ribcage in each impact as determined by the plot of force vs. deflection in paragraph (a)(1) of this section shall be not less than 69 percent but not more than 85 percent. The hysteresis shall be calculated by determining the ratio of the area between the loading (from time zero to maximum deflection) and unloading portions (from maximum deflection to zero force) of the force deflection curve to the area under the loading portion of the curve. (3) The force shall be calculated by the product of the impactor mass and its measured deceleration. (c) Test Procedure. The test procedure for the thorax assembly is as follows: (1) The dummy is clothed in a form fitting cotton stretch above-the-elbow sleeved shirt and above-the-knees pants. The weight of the shirt and pants shall not exceed 0.14 kg (0.30 lb) each. (2) Torque th… | |||||
| 49:49:7.1.1.1.1.18.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | T | Subpart T—Hybrid III 10-Year-Old Child Test Dummy (HIII-10C) | § 572.175 Upper and lower torso assemblies and torso flexion test procedure. | NHTSA | (a) The test objective is to determine the stiffness of the molded lumbar assembly (drawing 420-4100), abdominal insert (drawing 420-4300), and chest flesh assembly (drawing 420-3560) on resistance to articulation between the upper torso assembly (drawing 420-3000) and lower torso assembly (drawing 420-4000) (all incorporated by reference, see § 572.170). (b) When the upper torso assembly of a seated dummy is subjected to a force continuously applied at the head to neck pivot pin level through a rigidly attached adaptor bracket as shown in Figure T5 according to the test procedure set out in paragraph (c) of this section: (1) The lumbar spine-abdomen-chest flesh assembly shall flex by an amount that permits the upper torso assembly to translate in angular motion relative to the vertical transverse plane 35 ±0.5 degrees at which time the force applied must be not less than 180 N (40.5 lbf) and not more than 250 N (56.2 lbf). (2) Upon removal of the force, the torso assembly must return to within 8 degrees of its initial position. (c) Test Procedure. The test procedure for the upper/lower torso assembly is as follows: (1) Torque the lumbar cable (drawing 420-4130) (incorporated by reference, see § 572.170) to 0.9 ±0.2 N-m (8 ±2 in-lbf) and set the lumbar adjustment angle to 12 degrees. Set the neck angle to 16 degrees. (2) Soak the dummy in a controlled environment at any temperature between 20.6 and 22.2 °C (69 and 72 °F) and a relative humidity between 10 and 70 percent for at least four hours prior to a test. (3) Assemble the complete dummy (with or without the legs below the femurs) and attach to the fixture in a seated posture as shown in Figure T5. (4) Secure the pelvis to the fixture at the pelvis instrument cavity rear face by threading four 1/4 -inch cap screws into the available threaded attachment holes. Tighten the mountings so that the test material is rigidly affixed to the test fixture and the pelvic-lumbar joining surface is 18 degrees from horizontal and the legs are parallel with the t… | |||||
| 49:49:7.1.1.1.1.18.1.7 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | T | Subpart T—Hybrid III 10-Year-Old Child Test Dummy (HIII-10C) | § 572.176 Knees and knee impact test procedure. | NHTSA | (a) The knee assembly for the purpose of this test is the part of the leg assembly shown in drawing 420-5000 (incorporated by reference, see § 572.170). (b) When the knee assembly, consisting of lower upper leg assembly (420-5200), femur load transducer (SA572-S10, included in drawing 420-0000) or its structural replacement (420-5121), lower leg assembly (420-5300), ankle assembly (420-5400), and foot molded assembly (420-5500) (all incorporated by reference, see § 572.170) is tested according to the test procedure in subsection (c) of this section: (1) The peak resistance force as measured with the test probe-mounted accelerometer must not be less than 2.6 kN (585 lbf) and not more than 3.2 kN (719 lbf). (2) The force shall be calculated by the product of the impactor mass and its deceleration. (c) Test Procedure. The test procedure for the knee assembly is as follows: (1) Soak the knee assembly in a controlled environment at any temperature between 20.6 and 22.2 °C (69 and 72 °F) and a relative humidity between 10 and 70 percent for at least four hours prior to a test. (2) Mount the test material and secure it to a rigid test fixture as shown in Figure T6. No part of the foot or tibia may contact any exterior surface. (3) Align the test probe so that throughout its stroke and at contact with the knee it is within 2 degrees of horizontal and collinear with the longitudinal centerline of the femur. (4) Guide the pendulum so that there is no significant lateral, vertical, or rotational movement at the time of initial contact between the impactor and the knee. (5) The test probe velocity at the time of contact shall be 2.1 ±0.03 m/s (6.9 ±0.1 ft/s). (6) No suspension hardware, suspension cables, or any other attachments to the probe, including the velocity vane, shall make contact with the dummy during the test. | |||||
| 49:49:7.1.1.1.1.18.1.8 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | T | Subpart T—Hybrid III 10-Year-Old Child Test Dummy (HIII-10C) | § 572.177 Test conditions and instrumentation. | NHTSA | [77 FR 11667, Feb. 27, 2012, as amended at 80 FR 35860, June 23, 2015] | (a) The following test equipment and instrumentation is needed for qualification as set forth in this subpart: (1) The test probe for thoracic impacts is of rigid metallic construction, concentric in shape, and symmetric about its longitudinal axis. It has a mass of 6.89 ±0.05 kg (15.2 ±0.1 lb) and a minimum mass moment of inertia of 2040 kg-cm 2 (1.81 lbf-in-sec 2 ) in yaw and pitch about the CG. One-third ( 1/3 ) of the weight of the suspension cables and their attachments to the impact probe is included in the calculation of mass, and such components may not exceed five percent of the total weight of the test probe. The impacting end of the probe, perpendicular to and concentric with the longitudinal axis, is at least 25.4 mm (1.0 in) long, and has a flat, continuous, and non-deformable 121 ±0.25 mm (4.76 ±0.01 in) diameter face with a maximum edge radius of 12.7 mm (0.5 in). The probe's end opposite to the impact face has provisions for mounting of an accelerometer with its sensitive axis collinear with the longitudinal axis of the probe. No concentric portions of the impact probe may exceed the diameter of the impact face. The impact probe has a free air resonant frequency of not less than 1000 Hz, which may be determined using the procedure listed in the PADI (incorporated by reference, see § 572.170). (2) The test probe for knee impacts is of rigid metallic construction, concentric in shape, and symmetric about its longitudinal axis. It has a mass of 1.91 ±0.05 kg (4.21 ±0.1 lb) and a minimum mass moment of inertia of 140 kg-cm 2 (0.124 lbf-in-sec 2 ) in yaw and pitch about the CG. One third ( 1/3 ) of the weight of the suspension cables and their attachments to the impact probe may be included in the calculation of mass, and such components may not exceed five percent of the total weight of the test probe. The impacting end of the probe, perpendicular to and concentric with the longitudinal axis, is at least 12.5 mm (0.5 in) long, and has a flat, continuous, and non-deformable 76.2 ±0.2 mm (3.00… | ||||
| 49:49:7.1.1.1.1.19.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | U | Subpart U—ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male | § 572.180 Incorporated materials. | NHTSA | [71 FR 75331, Dec. 14, 2006, as amended at 73 FR 33920, June 16, 2008; 76 FR 31864, June 2, 2011] | (a) The following materials are hereby incorporated into this Subpart by reference: (1) A parts/drawing list entitled, “Parts/Drawings List, Part 572 Subpart U, Eurosid 2 with Rib Extensions (ES2re), September 2009,” incorporated by reference in § 572.181. (2) A drawings and inspection package entitled “Parts List and Drawings, Part 572 Subpart U, Eurosid 2 with Rib Extensions (ES-2re, Alpha Version), September 2009,” consisting of: (i) Drawing No. 175-0000, ES-2re Dummy Assembly, incorporated by reference, see §§ 572.181, 575.182, 572.184; (ii) Drawing No. 175-1000, Head Assembly, incorporated by reference in §§ 572.181 and 572.182; (iii) Drawing No. 175-2000, Neck Assembly Test/Cert, incorporated by reference in §§ 572.181 and 572.183; (iv) Drawing No. 175-3000, Shoulder Assembly, incorporated by reference in §§ 572.181 and 572.184; (v) Drawing No. 175-3500, Arm Assembly, Left, incorporated by reference in §§ 572.181 and 572.185; (vi) Drawing No. 175-3800, Arm Assembly, Right, incorporated by reference in §§ 572.181, and 572.185; (vii) Drawing No. 175-4000, Thorax Assembly with Rib Extensions, incorporated by reference in §§ 572.181 and 572.185; (viii) Drawing No. 175-5000, Abdominal Assembly, incorporated by reference in §§ 572.181 and 572.186; (ix) Drawing No. 175-5500, Lumbar Spine Assembly, incorporated by reference in §§ 572.181 and 572.187; (x) Drawing No. 175-6000, Pelvis Assembly, incorporated by reference in §§ 572.181 and 572.188; (xi) Drawing No. 175-7000-1, Leg Assembly—left incorporated by reference in § 572.181; (xii) Drawing No. 175-7000-2, Leg Assembly—right incorporated by reference in § 572.181; (xiii) Drawing No. 175-8000, Neoprene Body Suit, incorporated by reference in §§ 572.181 and 572.185; and, (xiv) Drawing No. 175-9000, Headform Assembly, incorporated by reference in §§ 572.181, 572.183, 572.187; (3) A procedures manual entitled “Procedures for Assembly, Disassembly and Inspection (PADI) of the EuroSID-2re 50th Percentile Adult Male Side Impact Crash Test Dummy, Februa… | ||||
| 49:49:7.1.1.1.1.19.1.10 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | U | Subpart U—ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male | § 572.189 Instrumentation and test conditions. | NHTSA | (a) The test probe for lateral shoulder, thorax without arm, abdomen, and pelvis impact tests is the same as that specified in § 572.36(a) and the impact probe has a minimum mass moment of inertia in yaw of 9,000 kg-cm 2 , a free air resonant frequency not less than 1,000 Hz and the probe's end opposite to the impact face has provisions to mount an accelerometer with its sensitive axis collinear with the longitudinal axis of the probe. All hardware attached directly to the impactor and one-third ( 1/3 ) of the mass of the suspension cables must be included in the calculations of the total impactor mass. The sum mass of the attachments and 1/3 cable mass must not exceed 5 percent of the total pendulum mass. No suspension hardware, suspension cables, or any other attachments to the test probe, including velocity vane, shall make contact with the dummy during the test. (b) Accelerometers for the head, the thoracic spine, and the pelvis conform to specifications of SA572-S4. (c) Rotary potentiometer for the neck and lumbar spine certification tests conforms to SA572-53. (d) Linear position transducer for the thoracic rib conforms to SA572-S69. (e) Load sensors for the abdomen conform to specifications of SA572-S75. (f) Load sensor for the pubic symphysis conforms to specifications of SA572-77. (g) Load sensor for the lumbar spine conforms to specifications of SA572-76. (h) Instrumentation and sensors conform to the Recommended Practice SAE J-211 (Mar. 1995)—Instrumentation for Impact Test unless noted otherwise. (i) All instrumented response signal measurements shall be treated to the following specifications: (1) Head acceleration—Digitally filtered CFC 1000; (2) Neck and lumbar spine rotations—Digitally filtered CFC 180; (3)Neck and lumbar spine pendulum accelerations—Digitally filtered CFC 60; (4) Pelvis, shoulder, thorax without arm, and abdomen impactor accelerations—Digitally filtered CFC 180; (5) Abdominal and pubic symphysis force—Digitally filtered at CFC 600; (6) Thorax deflection—Digital… | |||||
| 49:49:7.1.1.1.1.19.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | U | Subpart U—ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male | § 572.181 General description. | NHTSA | [71 FR 75331, Dec. 14, 2006, as amended at 73 FR 33921, June 16, 2008; 76 FR 31866, June 2, 2011] | (a) The ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male, is defined by: (1) The drawings and specifications contained in the “Parts List and Drawings, Part 572 Subpart U, Eurosid 2 with Rib Extensions (ES-2re, Alpha Version), September 2009,” (incorporated by reference, see § 572.180), which includes the technical drawings and specifications described in Drawing 175-0000, the titles of which are listed in Table A; Table A (2) “Parts/Drawings List, Part 572 Subpart U, Eurosid 2 with Rib Extensions (ES2re), September 2009,” containing 9 pages, incorporated by reference, see § 572.180, (3) A listing of available transducers-crash test sensors for the ES-2re Crash Test Dummy is shown in drawing 175-0000 sheet 4 of 6, dated February 2008, incorporated by reference, see § 572.180, (4) Procedures for Assembly, Disassembly and Inspection (PADI) of the ES-2re Side Impact Crash Test Dummy, February 2008, incorporated by reference, see § 572.180, (5) Sign convention for signal outputs reference document SAE J1733 Information Report, titled “Sign Convention for Vehicle Crash Testing” dated December 1994, incorporated by reference, see § 572.180. (b) Exterior dimensions of ES-2re test dummy are shown in drawing 175-0000 sheet 3 of 6, dated February 2008, incorporated by reference, see § 572.180. (c) Weights of body segments (head, neck, upper and lower torso, arms and upper and lower segments) and the center of gravity location of the head are shown in drawing 175-0000 sheet 2 of 6, dated February 2008, incorporated by reference, see § 572.180. (d) Adjacent segments are joined in a manner such that, except for contacts existing under static conditions, there is no additional contact between metallic elements of adjacent body segments throughout the range of motion. (e) The structural properties of the dummy are such that the dummy conforms to this Subpart in every respect before use in any test similar to those in Standard No. 214, Side Impact Protection and Standard No. 201, Occupant Protection in I… | ||||
| 49:49:7.1.1.1.1.19.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | U | Subpart U—ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male | § 572.182 Head assembly. | NHTSA | (a) The head assembly consists of the head (drawing 175-1000), including the neck upper transducer structural replacement, and a set of three (3) accelerometers in conformance with specifications in § 572.189(b) and mounted as shown in drawing (175-0000 sheet 1 of 6). When tested to the test procedure specified in paragraph (b) of this section, the head assembly shall meet performance requirements specified in paragraph (c) of this section. (b) Test procedure. The head shall be tested per procedure specified in 49 CFR § 572.112(a). (c) Performance criteria. (1) When the head assembly is dropped in accordance with § 572.112 (a), the measured peak resultant acceleration shall be between 125 g's and 155 g's; (2) The resultant acceleration-time curve shall be unimodal to the extent that oscillations occurring after the main acceleration pulse shall not exceed 15% (zero to peak) of the main pulse; (3) The fore-and-aft component of the head acceleration shall not exceed 15 g's. | |||||
| 49:49:7.1.1.1.1.19.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | U | Subpart U—ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male | § 572.183 Neck assembly. | NHTSA | [71 FR 75331, Dec. 14, 2006, as amended at 73 FR 33921, June 16, 2008] | (a) The neck assembly consists of parts shown in drawing 175-2000. For purposes of this test, the neck is mounted within the headform assembly 175-9000 as shown in Figure U1 in appendix A to this subpart. When subjected to tests procedures specified in paragraph (b) of this section, the neck-headform assembly shall meet performance requirements specified in paragraph (c) of this section. (b) Test procedure. (1) Soak the neck-headform assembly in a test environment as specified in § 572.189(n); (2) Attach the neck-headform assembly to the part 572 subpart E pendulum test fixture as shown in Figure U2-A in appendix A to this subpart, so that the midsagittal plane of the neck-headform assembly is vertical and perpendicular to the plane of motion of the pendulum longitudinal centerline shown in Figure U2-A. Torque the half-spherical screws (175-2004) located at either end of the neck assembly to 88 ±5 in-lbs using the neck compression tool (175-9500) or equivalent; (3) Release the pendulum from a height sufficient to allow it to fall freely to achieve an impact velocity of 3.4±0.1 m/s measured at the center of the pendulum accelerometer (Figure 22 as set forth in 49 CFR 572.33) at the time the pendulum makes contact with the decelerating mechanism. The velocity-time history of the pendulum falls inside the corridor determined by the upper and lower boundaries specified in Table 1 to paragraph (a) of this section. (4) Allow the neck to flex without the neck-headform assembly making contact with any object; (5) Time zero is defined in § 572.189(j). Table 1 to Paragraph ( a )—ES-2re Neck Certification Pendulum Velocity Corridor (c) Performance criteria. (1) The pendulum deceleration pulse is to be characterized in terms of decrease in velocity as determined by integrating the filtered pendulum acceleration response from time-zero. (2) The maximum rotation in the lateral direction of the reference plane of the headform (175-9000) as shown in Figure U2-B in appendix A to this subpart, shall be 49 to 59 degrees… | ||||
| 49:49:7.1.1.1.1.19.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | U | Subpart U—ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male | § 572.184 Shoulder assembly. | NHTSA | (a) The shoulder (175-3000) is part of the body assembly shown in drawing 175-0000. When subjected to impact tests specified in paragraph (b) of this section, the shoulder assembly shall meet performance requirements of paragraph (c) of this section. (b) Test procedure. (1) Soak the dummy assembly, without suit and shoulder foam pad (175-3010), in a test environment as specified in § 572.189(n); (2) The dummy is seated, as shown in Figure U3 in appendix A to this subpart, on a flat, horizontal, rigid surface covered by two overlaid 2 mm thick Teflon sheets and with no back support of the dummy's torso. The dummy's torso spine backplate is vertical within ±2 degrees and the midsagittal plane of the thorax is positioned perpendicular to the direction of the plane of motion of the impactor at contact with the shoulder. The arms are oriented forward at 50±2 degrees from the horizontal, pointing downward. The dummy's legs are horizontal and symmetrical about the midsaggital plane with the distance between the innermost point on the opposite ankle at 100 ±5 mm. The length of the elastic shoulder cord (175-3015) shall be adjusted so that a force between and including 27.5 and 32.5 N applied in a forward direction at 4 ±1 mm from the outer edge of the clavicle in the same plane as the clavicle movement, is required to initiate a forward motion of 1 to 5 mm; (3) The impactor is the same as defined in § 572.189(a); (4) The impactor is guided, if needed, so that at contact with the shoulder, its longitudinal axis is within ±0.5 degrees of a horizontal plane and perpendicular (±0.5 degrees) to the midsagittal plane of the dummy and the centerpoint on the impactor's face is within 5 mm of the center of the upper arm pivot bolt (5000040) at contact with the test dummy, as shown in Figure U3 in appendix A to this subpart; (5) The impactor impacts the dummy's shoulder at 4.3±0.1 m/s. (c) Performance criteria. The peak acceleration of the impactor is between 7.5 g's and 10.5 g's during the pendulum's contact with the du… | |||||
| 49:49:7.1.1.1.1.19.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | U | Subpart U—ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male | § 572.185 Thorax (upper torso) assembly. | NHTSA | [71 FR 75331, Dec. 14, 2006, as amended at 73 FR 33921, June 16, 2008] | (a) The thorax assembly of the dummy must meet the requirements of both (b) and (c) of this section. Section 572.185(b) specifies requirements for an individual rib drop test, and § 572.185(c) specifies requirements for a full-body thorax impact test. (b) Individual rib drop test. For purposes of this test, the rib modules (175-4002), which are part of the thorax assembly (175-4000), are tested as individual units. When subjected to test procedures specified in paragraph (b)(1) of this section, the rib modules shall meet performance requirements specified in paragraph (b)(2) of this section. Each rib is tested at both the 459 mm and 815 mm drop height tests described in paragraphs (b)(1)(v)(A) and (B) of this section. (1) Test procedure. (i) Soak the rib modules (175-4002) in a test environment as specified in 572.189(n); (ii) Mount the rib module rigidly in a drop test fixture as shown in Figure U7 in appendix A to this subpart with the impacted side of the rib facing up; (iii) The drop test fixture contains a free fall guided mass of 7.78±0.01 kg that is of rigid construction and with a flat impact face 150±1.0 mm in diameter and an edge radius of ±0.25 mm; (iv) Align the vertical longitudinal centerline of the drop mass so that the centerpoint of the downward-facing flat surface is aligned to impact the centerline of the rib rail guide system within ±2.5 mm. (v) The impacting mass is dropped from the following heights: (A) 459 ±5 mm (B) 815 ±8 mm (vi) A test cycle consists of one drop from each drop height specified in paragraph (b)(1)(v) of this section. Allow a period of not less than five (5) minutes between impacts in a single test cycle. Allow a period of not less than thirty (30) minutes between two separate cycles of the same rib module. (2) Performance criteria. (i) Each of the rib modules shall deflect as specified in paragraphs (b)(2)(i)(A) and (B) of this section, with the deflection measurements made with the internal rib module position transducer specified in § 572.189(d): (A) No… | ||||
| 49:49:7.1.1.1.1.19.1.7 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | U | Subpart U—ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male | § 572.186 Abdomen assembly. | NHTSA | (a) The abdomen assembly (175-5000) is part of the dummy assembly shown in drawing 175-0000 including load sensors specified in § 572.189(e). When subjected to tests procedures specified in paragraph (b) of this section, the abdomen assembly shall meet performance requirements specified in paragraph (c) of this section. (b) Test procedure. (1) Soak the dummy assembly (175-0000), without suit (175-8000) and shoulder foam pad (175-3010), as specified in § 572.189(n); (2) The dummy is seated as shown in Figure U5 in appendix A to this subpart; (3) The abdomen impactor is the same as specified in § 572.189(a) except that on its rectangular impact surface is affixed a special purpose block whose weight is 1.0 ±0.01 kg. The block is 70 mm high, 150 mm wide and 60 to 80 mm deep. The impact surface is flat, has a minimum Rockwell hardness of M85, and an edge radius of 4 to 5 mm. The block's wide surface is horizontally oriented and centered on the longitudinal axis of the probe's impact face as shown in Figure U5-A in appendix A to this subpart; (4) The impactor is guided, if needed, so that at contact with the abdomen its longitudinal axis is within ±0.5 degrees of a horizontal plane and perpendicular ±0.5 degrees to the midsagittal plane of the dummy and the centerpoint on the impactor's face is aligned within 5 mm of the center point of the middle load measuring sensor in the abdomen as shown in Figure U5; (5) The impactor impacts the dummy's abdomen at 4.0 m/s ±0.1 m/s; (6) Time zero is defined in § 572.189(k). (c) Performance criteria. (1) The maximum sum of the forces of the three abdominal load sensors, specified in 572.189(e), shall be not less than 2200 N and not more than 2700 N and shall occur between 10 ms and 12.3 ms from time zero. The calculated sum of the three load cell forces must be concurrent in time. (2) Maximum impactor force (impact probe acceleration multiplied by its mass) is not less than 4000 N and not more than 4800 N occurring between 10.6 ms and 13.0 ms from time zero. | |||||
| 49:49:7.1.1.1.1.19.1.8 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | U | Subpart U—ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male | § 572.187 Lumbar spine. | NHTSA | [71 FR 75331, Dec. 14, 2006, as amended at 73 FR 33921, June 16, 2008] | (a) The lumbar spine assembly consists of parts shown in drawing 175-5500. For purposes of this test, the lumbar spine is mounted within the headform assembly 175-9000 as shown in Figure U1 in appendix A to this subpart. When subjected to tests procedures specified in paragraph (b) of this section, the lumbar spine-headform assembly shall meet performance requirements specified in paragraph (c) of this section. (b) Test procedure. (1) Soak the lumbar spine-headform assembly in a test environment as specified in § 572.189(n); (2) Attach the lumbar spine-headform assembly to the Part 572 pendulum test fixture per procedure in § 572.183(b)(2) and as shown in Figure U2-A in appendix A to this subpart. Torque the lumbar hex nut (p/n 9000057) on to the lumbar cable assembly (175-5506) to 50 ±5 in-lb; (3) Release the pendulum from a height sufficient to allow it to fall freely to achieve an impact velocity of 6.05 ±0.1 m/s measured at the center of the pendulum accelerometer (Figure 22) at the time the pendulum makes contact with its decelerating mechanism. The velocity-time history of the pendulum falls inside the corridor determined by the upper and lower boundaries specified in Table 1 to paragraph (b) of this section; (4) Allow the lumbar spine to flex without the lumbar spine or the headform making contact with any object; (5) Time zero is defined in § 572.189(j). Table 1 to paragraph ( b )—ES-2re Lumbar Spine Certification Pendulum Velocity Corridor (c) Performance criteria. (1) The pendulum deceleration pulse is to be characterized in terms of decrease in velocity as determined by integrating the filtered pendulum acceleration response from time-zero. (2) The maximum rotation in the lateral direction of the reference plane of the headform (175-9000) as shown in Figure U2-B in appendix A to this subpart, shall be 45 to 55 degrees with respect to the longitudinal axis of the pendulum occurring between 39 and 53 ms from time zero. Rotation of the headform-neck assembly shall be measured with potentiomete… | ||||
| 49:49:7.1.1.1.1.19.1.9 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | U | Subpart U—ES-2re Side Impact Crash Test Dummy, 50th Percentile Adult Male | § 572.188 Pelvis. | NHTSA | [71 FR 75331, Dec. 14, 2006, as amended at 73 FR 33921, June 16, 2008] | (a) The pelvis (175-6000) is part of the torso assembly shown in drawing 175-0000. The pelvis is equipped with a pubic symphysis load sensor in conformance with § 572.189(f) and mounted as shown in drawing (175-0000 sheet 4). When subjected to tests procedures specified in paragraph (b) of this section, the pelvis assembly shall meet performance requirements specified in paragraph (c) of this section. (b) Test procedure. (1) Soak the dummy assembly (175-0000) without suit (175-8000) and shoulder foam pad (175-3010) as specified in § 572.189(n); (2) The dummy is seated as specified in Figure U6 in appendix A to this subpart; (3) The pelvis impactor is the same as specified in § 572.189(a); (4) The impactor is guided, if needed, so that at contact with the pelvis its longitudinal axis is within ±0.5 degrees of a horizontal plane and perpendicular to the midsagittal plane of the dummy and the centerpoint on the impactor's face is within 5 mm of the center of the H-point in the pelvis, as shown in Figure U6 in appendix A to this subpart; (5) The impactor impacts the dummy's pelvis at 4.3 ±0.1 m/s. (6) Time zero is defined in § 572.189(k). (c) Performance criteria. (1) The impactor force (probe acceleration multiplied by its mass) shall be not less than 4,700 N and not more than 5,400 N, occurring between 11.8 ms and 16.1 ms from time zero; (2) The pubic symphysis load, measured with load cell specified in § 572.189(f) shall be not less than 1,230 N and not more than 1,590 N occurring between 12.2 ms and 17.0 ms from time zero. | ||||
| 49:49:7.1.1.1.1.2.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | B | Subpart B—50th Percentile Male | § 572.5 General description. | NHTSA | [50 FR 25423, June 19, 1985] | (a) The dummy consists of the component assemblies specified in Figure 1, which are described in their entirety by means of approximately 250 drawings and specifications that are grouped by component assemblies under the following nine headings: SA 150 M070—Right arm assembly SA 150 M071—Left arm assembly SA 150 M050—Lumbar spine assembly SA 150 M060—Pelvis and abdomen assembly SA 150 M080—Right leg assembly SA 150 M081—Left leg assembly SA 150 M010—Head assembly SA 150 M020—Neck assembly SA 150 M030—Shoulder-thorax assembly. SA 150 M070—Right arm assembly SA 150 M071—Left arm assembly SA 150 M050—Lumbar spine assembly SA 150 M060—Pelvis and abdomen assembly SA 150 M080—Right leg assembly SA 150 M081—Left leg assembly SA 150 M010—Head assembly SA 150 M020—Neck assembly SA 150 M030—Shoulder-thorax assembly. (b) The drawings and specifications referred to in this regulation that are not set forth in full are hereby incorporated in this part by reference. These materials are thereby made part of this regulation. The Director of the Federal Register has approved the materials incorporated by reference. For materials subject to change, only the specific version approved by the Director of the Federal Register and specified in the regulation are incorporated. A notice of any change will be published in the Federal Register. As a convenience to the reader, the materials incorporated by reference are listed in the Finding Aid Table found at the end of this volume of the Code of Federal Regulations. (c) The materials incorporated by reference are available for examination in Docket 73-08, Docket Section, National Highway Traffic Safety Administration, Room 5109, 400 Seventh Street SW., Washington, DC, 20590. Copies may be obtained from Rowley-Scher Reprographics, Inc., 1216 K Street NW., Washington, DC 20005 ((202) 628-6667). The drawings and specifications are also on file in the reference library of the Office of the Federal Register, National Archives and Records Administration, Wa… | ||||
| 49:49:7.1.1.1.1.2.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | B | Subpart B—50th Percentile Male | § 572.6 Head. | NHTSA | [38 FR 20451, Aug. 1, 1973, as amended at 42 FR 7152, Feb. 7, 1977] | (a) The head consists of the assembly shown as number SA 150 M010 in Figure 1 and conforms to each of the drawings subtended by number SA 150 M010. (b) When the head is dropped from a height of 10 inches in accordance with paragraph (c) of this section, the peak resultant accelerations at the location of the accelerometers mounted in the head form in accordance with § 572.11(b) shall be not less than 210g, and not more than 260g. The acceleration/time curve for the test shall be unimodal and shall lie at or above the 100g level for an interval not less than 0.9 milliseconds and not more than 1.5 milliseconds. The lateral acceleration vector shall not exceed 10g. (c) Test procedure: (1) Suspend the head as shown in Figure 2, so that the lowest point on the forehead is 0.5 inches below the lowest point on the dummy's nose when the midsagittal plane is vertical. (2) Drop the head from the specified height by means that ensures instant release onto a rigidly supported flat horizontal steel plate, 2 inches thick and 2 feet square, which has a clean, dry surface and any microfinish of not less than 8 microinches (rms) and not more than 80 microinches (rms). (3) Allow a time period of at least 2 hours between successive tests on the same head. | ||||
| 49:49:7.1.1.1.1.2.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | B | Subpart B—50th Percentile Male | § 572.7 Neck. | NHTSA | [38 FR 20451, Aug. 1, 1973, as amended at 42 FR 7152, Feb. 7, 1977; 42 FR 12176, Mar. 3, 1977; 45 FR 40596, June 16, 1980] | (a) The neck consists of the assembly shown as number SA 150 M020 in Figure 1 and conforms to each of the drawings subtended by number SA 150 M020. (b) When the neck is tested with the head in accordance with paragraph (c) of this section, the head shall rotate in reference to the pendulum's longitudinal centerline a total of 68° ±5° about its center of gravity, rotating to the extent specified in the following table at each indicated point in time, measured from impact, with a chordal displacement measured at its center of gravity that is within the limits specified. The chordal displacement at time T is defined as the straight line distance between (1) the position relative to the pendulum arm of the head center of gravity at time zero, and (2) the position relative to the pendulum arm of the head center of gravity at time T as illustrated by Figure 3. The peak resultant acceleration recorded at the location of the accelerometers mounted in the head form in accordance with § 572.11(b) shall not exceed 26g. The pendulum shall not reverse direction until the head's center of gravity returns to the original zero time position relative to the pendulum arm. (c) Test procedure: (1) Mount the head and neck on a rigid pendulum as specified in Figure 4, so that the head's midsagittal plane is vertical and coincides with the plane of motion of the pendulum's longitudinal centerline. Mount the neck directly to the pendulum as shown in Figure 4. (2) Release the pendulum and allow it to fall freely from a height such that the velocity at impact is 23.5 ±2.0 feet per second (fps), measured at the center of the accelerometer specified in Figure 4. (3) Decelerate the pendulum to a stop with an acceleration-time pulse described as follows: (i) Establish 5g and 20g levels on the a-t curve. (ii) Establish t 1 at the point where the rising a-t curve first crosses the 5g level, t 2 at the point where the rising a-t curve first crosses the 20g level, t 2 at the point where the decaying a-t curve last crosses the 20g level, … | ||||
| 49:49:7.1.1.1.1.2.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | B | Subpart B—50th Percentile Male | § 572.8 Thorax. | NHTSA | [38 FR 20451, Aug. 1, 1973, as amended at 42 FR 7152, Feb. 7, 1977] | (a) The thorax consists of the assembly shown as number SA 150 M030 in Figure 1, and conforms to each of the drawings subtended by number SA 150 M030. (b) The thorax contains enough unobstructed interior space behind the rib cage to permit the midpoint of the sternum to be depressed 2 inches without contact between the rib cage and other parts of the dummy or its instrumentation, except for instruments specified in paragraph (d)(7) of this section. (c) When impacted by a test probe conforming to § 572.11(a) at 14 fps and at 22 fps in accordance with paragraph (d) of this section, the thorax shall resist with forces measured by the test probe of not more than 1450 pounds and 2250 pounds, respectively, and shall deflect by amounts not greater than 1.1 inches and 1.7 inches, respectively. The internal hysteresis in each impact shall not be less than 50 percent and not more than 70 percent. (d) Test procedure: (1) With the dummy seated without back support on a surface as specified in § 572.11(i) and in the orientation specified in § 572.11(i), adjust the dummy arms and legs until they are extended horizontally forward parallel to the midsagittal plane. (2) Place the longitudinal center line of the test probe so that it is 17.7 ±0.1 inches above the seating surface at impact. (3) Align the test probe specified in § 572.11(a) so that at impact its longitudinal centerline coincides within 2 degrees of a horizontal line in the dummy's midsagittal plane. (4) Adjust the dummy so that the surface area on the thorax immediately adjacent to the projected longitudinal center line of the test probe is vertical. Limb support, as needed to achieve and maintain this orientation, may be provided by placement of a steel rod of any diameter not less than one-quarter of an inch and not more than three-eighths of an inch, with hemispherical ends, vertically under the limb at its projected geometric center. (5) Impact the thorax with the test probe so that its longitudinal centerline falls within 2 degrees of a horizontal line i… | ||||
| 49:49:7.1.1.1.1.2.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | B | Subpart B—50th Percentile Male | § 572.9 Lumbar spine, abdomen, and pelvis. | NHTSA | [42 FR 7152, Feb. 7, 1977] | (a) The lumbar spine, abdomen, and pelvis consist of the assemblies designated as numbers SA 150 M050 and SA 150 M060 in Figure 1 and conform to the drawings subtended by these numbers. (b) When subjected to continuously applied force in accordance with paragraph (c) of this section, the lumbar spine assembly shall flex by an amount that permits the rigid thoracic spine to rotate from its initial position in accordance with Figure 11 by the number of degrees shown below at each specified force level, and straighten upon removal of the force to within 12 degrees of its initial position in accordance with Figure 11. (c) Test procedure: (1) Assemble the thorax, lumbar spine, pelvic, and upper leg assemblies (above the femur force transducers), ensuring that all component surfaces are clean, dry, and untreated unless otherwise specified, and attach them to the horizontal fixture shown in Figure 5 at the two link rod pins and with the mounting brackets for the lumbar test fixtures illustrated in Figures 6 to 9. (2) Attach the rear mounting of the pelvis to the pelvic instrument cavity rear face at the four 1/4 ″ cap screw holes and attach the front mounting at the femur axial rotation joint. Tighten the mountings so that the pelvic-lumbar adapter is horizontal and adjust the femur friction plungers at each hip socket joint to 240 inch-pounds torque. (3) Flex the thorax forward 50° and then rearward as necessary to return it to its initial position in accordance with Figure 11 unsupported by external means. (4) Apply a forward force perpendicular to the thorax instrument cavity rear face in the midsagittal plane 15 inches above the top surface of the pelvic-lumbar adapter. Apply the force at any torso deflection rate between .5 and 1.5 degrees per second up to 40° of flexion but no further, continue to apply for 10 seconds that force necessary to maintain 40° of flexion, and record the force with an instrument mounted to the thorax as shown in Figure 5. Release all force as rapidly as possible and measure the re… | ||||
| 49:49:7.1.1.1.1.2.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | B | Subpart B—50th Percentile Male | § 572.10 Limbs. | NHTSA | [38 FR 20451, Aug. 1, 1973, as amended at 42 FR 7153, Feb. 7, 1977] | (a) The limbs consist of the assemblies shown as numbers SA 150 M070, SA 150 M071, SA 150 M080, and SA 150 M081 in Figure 1 and conform to the drawings subtended by these numbers. (b) When each knee is impacted at 6.9 ft/sec. in accordance with paragraph (c) of this section, the maximum force on the femur shall be not more than 2500 pounds and not less than 1850 pounds, with a duration above 1000 pounds of not less than 1.7 milliseconds. (c) Test procedure: (1) Seat the dummy without back support on a surface as specified in § 572.11(i) that is 17.3 ±0.2 inches above a horizontal surface, oriented as specified in § 572.11(i), and with the hip joint adjustment at any setting between 1g and 2g. Place the dummy legs in planes parallel to its midsagittal plane (knee pivot centerline perpendicular to the midsagittal plane) and with the feet flat on the horizontal surface. Adjust the feet and lower legs until the lines between the midpoints of the knee pivots and the ankle pivots are at any angle not less than 2 degrees and not more than 4 degrees rear of the vertical, measured at the centerline of the knee pivots. (2) Reposition the dummy if necessary so that the rearmost point of the lower legs at the level one inch below the seating surface remains at any distance not less than 5 inches and not more than 6 inches forward of the forward edge of the seat. (3) Align the test probe specified in § 572.11(a) so that at impact its longitudinal centerline coincides within ±2° with the longitudinal centerline of the femur. (4) Impact the knee with the test probe moving horizontally and parallel to the midsagittal plane at the specified velocity. (5) Guide the probe during impact so that it moves with no significant lateral, vertical, or rotational movement. | ||||
| 49:49:7.1.1.1.1.2.1.7 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | B | Subpart B—50th Percentile Male | § 572.11 Test conditions and instrumentation. | NHTSA | [38 FR 20451, Aug. 1, 1973, as amended at 42 FR 7153, Feb. 7, 1977] | (a) The test probe used for thoracic and knee impact tests is a cylinder 6 inches in diameter that weighs 51.5 pounds including instrumentation. Its impacting end has a flat right face that is rigid and that has an edge radius of 0.5 inches. (b) Accelerometers are mounted in the head on the horizontal transverse bulkhead shown in the drawings subreferenced under assembly No. SA 150 M010 in Figure 1, so that their sensitive axes intersect at a point in the midsagittal plane 0.5 inches above the horizontal bulkhead and 1.9 inches ventral of the vertical mating surface of the skull with the skull cover. One accelerometer is aligned with its sensitive axis perpendicular to the horizontal bulkhead in the midsagittal plane and with its seismic mass center at any distance up to 0.3 inches superior to the axial intersection point. Another accelerometer is aligned with its sensitive axis parallel to the horizontal bulkhead and perpendicular to the midsagittal plane, and with its seismic mass center at any distance up to 1.3 inches to the left of the axial intersection point (left side of dummy is the same as that of man). A third accelerometer is aligned with its sensitive axis parallel to the horizontal bulkhead in the midsagittal plane, and with its seismic mass center at any distance up to 1.3 inches dorsal to the axial intersection point. (c) Accelerometers are mounted in the thorax by means of a bracket attached to the rear vertical surface (hereafter “attachment surface”) of the thoracic spine so that their sensitive axes intersect at a point in the midsagittal plane 0.8 inches below the upper surface of the plate to which the neck mounting bracket is attached and 3.2 inches perpendicularly forward of the surface to which the accelerometer bracket is attached. One accelerometer has its sensitive axis oriented parallel to the attachment surface in the midsagittal plane, with its seismic mass center at any distance up to 1.3 inches inferior to the intersection of the sensitive axes specified above. Another accelerom… | ||||
| 49:49:7.1.1.1.1.20.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.190 Incorporated materials. | NHTSA | [71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29894, June 23, 2009] | (a) The following materials are hereby incorporated into this Subpart by reference: (1) A parts/drawing list entitled, “Parts/Drawings List, Part 572 Subpart V, SID-IIsD, July 1, 2008,” (2) A drawings and inspection package entitled “Drawings and Specifications for the SID-IIsD Small Female Crash Test Dummy, Part 572 Subpart V, July 1, 2008,” consisting of: (i) Drawing No. 180-0000, SID-IIsD Complete Assembly; (ii) Drawing No. 180-1000, 6 Axis Head Assembly; (iii) Drawing No. 180-2000, Neck Assembly; (iv) Drawing No. 180-3000, Upper Torso Assembly; (v) Drawing No. 180-3005, Washer, Clamping; (vi) Drawing No. 9000021, Screw, SHCS 3/8 -16 × 1 NYLOK; (vii) Drawing No. 900005, Screw, SHCS 1/4 -20 × 5/8 NYLOK; (viii) Drawing No. 180-4000, Lower Torso Assembly Complete; (ix) Drawing No. 180-5000-1, Complete Leg Assembly, Left; (x) Drawing No. 180-5000-2, Complete Leg Assembly, Right; (xi) Drawing No. 180-6000-1, Arm Assembly Left Molded; (xii) Drawing No. 180-6000-2, Arm Assembly Right Molded; and, (xiii) Drawing No. 180-9000, SID-IIsD Headform Assembly. (3) A procedures manual entitled, “Procedures for Assembly, Disassembly, and Inspection (PADI) of the SID-IIsD Side Impact Crash Test Dummy, July 1, 2008,” incorporated by reference in § 572.191; (4) SAE Recommended Practice J211, Rev. Mar 95 “Instrumentation for Impact Tests—Part 1—Electronic Instrumentation”; and, (5) SAE J1733 of 1994-12, “Sign Convention for Vehicle Crash Testing.” (b) The Director of the Federal Register approved the materials incorporated by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies of the materials may be inspected at the Department of Transportation, Docket Operations, Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC 20590, telephone (202) 366-9826, and at the National Archives and Records Administration (NARA), and in electronic format through Regulations.gov. For information on the availability and inspection of this material at NARA, call 202-741-6030, or go to: http://www.arch… | ||||
| 49:49:7.1.1.1.1.20.1.10 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.199 Pelvis iliac. | NHTSA | [71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29896, June 23, 2009] | (a) The iliac is part of the lower torso assembly shown in drawing 180-4000. The iliac test is conducted by impacting the side of the lower torso of the assembled dummy (drawing 180-0000). The dummy is equipped with a laterally oriented pelvis accelerometer as specified in 49 CFR 572.200(d), and iliac wing load cell SA572-S66, mounted as shown in sheet 2 of 5 of drawing 180-0000. When subjected to the test procedure as specified in paragraph (b) of this section, the pelvis shall meet performance requirements of paragraph (c) of this section. (b) Test procedure. (1) Soak the dummy assembly (180-0000) in a test environment as specified in 49 CFR 572.200(j). (2) Seat the dummy, without the torso jacket and without cotton underwear pants, as shown in Figure V9-A in appendix A to this subpart, on a flat, rigid, horizontal surface covered with a 2-mm-thick PTFE (Teflon) sheet. (3) The legs are outstretched in front of the dummy such that they are symmetrical about the midsagittal plane, the thighs touch the seated surface, the inner part of the right and left legs at the knees are as close as possible to each other, and the feet are in full dorsiflexion and as close together as possible. (4) Orient the arm downward to the lowest detent such that the longitudinal centerline of the arm is parallel to the inferior-superior orientation of the spine box. (5) The midsagittal plane of the dummy is vertical, and superior surface of the lower half neck assembly load cell replacement (180-3815) in the lateral direction is within ±1 degree relative to the horizontal as shown in Figure V9-A. (6) While maintaining the dummy's position as specified in paragraphs (b)(3), (4) and (5) of this section, the top of the shoulder rib mount (180-3352) orientation in the fore-and-aft direction is within ±1.0 degree relative to horizontal as shown in Figure V9-B in Appendix A to this subpart. (7) The pelvis impactor is specified in 49 CFR 572.200(c). (8) The dummy is positioned with respect to the impactor such that the longitudinal … | ||||
| 49:49:7.1.1.1.1.20.1.11 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.200 Instrumentation and test conditions. | NHTSA | [71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29896, June 23, 2009] | (a) The test probe for shoulder, lateral thorax, and pelvis-acetabulum impact tests is the same as that specified in 49 CFR 572.137(a) except that its impact face diameter is 120.70 ±0.25 mm and it has a minimum mass moment of inertia of 3646 kg-cm 2 . (b) The test probe for the lateral abdomen impact test is the same as that specified in 572.137(a) except that its impact face diameter is 76.20 ±0.25 mm and it has a minimum mass moment of inertia of 3646 kg-cm 2 . (c) The test probe for the pelvis-iliac impact tests is the same as that specified in 49 CFR 572.137(a) except that it has a rectangular flat impact surface 50.8 × 88.9 mm for a depth of at least 76 mm and a minimum mass moment of inertia of 5000 kg-cm 2 . (d) Accelerometers for the head, the thoracic spine, and the pelvis conform to specifications of SA572-S4. (e) Rotary potentiometers for the neck-headform assembly conform to SA572-S51. (f) Instrumentation and sensors conform to the Recommended Practice SAE J-211 (March 1995), Instrumentation for Impact Test, unless noted otherwise. (g) All instrumented response signal measurements shall be treated to the following specifications: (1) Head acceleration—digitally filtered CFC 1000; (2) Neck-headform assembly translation-rotation—digitally filtered CFC 60; (3) Neck pendulum, T1 and T12 thoracic spine and pelvis accelerations—digitally filtered CFC 180; (4) Neck forces (for the purpose of occipital condyle calculation) and moments—digitally filtered at CFC 600; (5) Pelvis, shoulder, thorax and abdomen impactor accelerations—digitally filtered CFC 180; (6) Acetabulum and iliac wings forces—digitally filtered at CFC 600; (7) Shoulder, thorax, and abdomen deflection—digitally filtered CFC 600. (h) Mountings for the head, thoracic spine and pelvis accelerometers shall have no resonant frequency within a range of 3 times the frequency range of the applicable channel class; (i) Leg joints of the test dummy are set at the force between 1 to 2 g, which just support the limb's weight when the li… | ||||
| 49:49:7.1.1.1.1.20.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.191 General description. | NHTSA | [71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29895, June 23, 2009] | (a) The SID-IIsD Side Impact Crash Test Dummy, small adult female, is defined by: (1) The drawings and specifications contained in the “Drawings and Specifications for SID-IIsD Small Female Crash Test Dummy, Part 572 Subpart V, July 1, 2008,” which includes the technical drawings and specifications described in Drawing 180-0000, the titles of which are listed in Table A; Table A (2) The “Parts/Drawing List, Part 572 Subpart V, SID-IIsD,” dated July 1, 2008 and containing 7 pages, (3) A listing of available transducers-crash test sensors for the SID-IIsD Side Impact Crash Test Dummy, 5th percentile adult female, is shown in drawing 180-0000 sheet 2 of 5, dated July 1, 2008, (4) “Procedures for Assembly, Disassembly, and Inspection (PADI) of the SID-IIsD Side Impact Crash Test Dummy, July 1, 2008,” and, (5) Sign convention for signal outputs reference document SAE J1733 Information Report, titled “Sign Convention for Vehicle Crash Testing,” dated July 12, 1994, incorporated by reference in § 572.200(k). (b) Exterior dimensions of the SID-IIsD Small Adult Female Side Impact Crash Test Dummy are shown in drawing 180-0000 sheet 3 of 5, dated July 1, 2008. (c) Weights and center of gravity locations of body segments are shown in drawing 180-0000 sheet 4 of 5, dated July 1, 2008. (d) Adjacent segments are joined in a manner such that, except for contacts existing under static conditions, there is no additional contact between metallic elements of adjacent body segments throughout the range of motion. (e) The structural properties of the dummy are such that the dummy conforms to this Subpart in every respect before use in any test similar to that set forth in Standard 214, Side Impact Protection (49 CFR 571.214). | ||||
| 49:49:7.1.1.1.1.20.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.192 Head assembly. | NHTSA | (a) The head assembly consists of the head (180-1000) and a set of three (3) accelerometers in conformance with specifications in 49 CFR 572.200(d) and mounted as shown in drawing 180-0000 sheet 2 of 5. When tested to the procedure specified in paragraph (b) of this section, the head assembly shall meet performance requirements specified in paragraph (c) of this section. (b) Test procedure. The head shall be tested according to the procedure specified in 49 CFR 572.112(a). (c) Performance criteria. (1) When the head assembly is dropped from either the right or left lateral incline orientations in accordance with procedure in § 572.112(a), the measured peak resultant acceleration shall be between 115 g and 137 g; (2) The resultant acceleration-time curve shall be unimodal to the extent that oscillations occurring after the main acceleration pulse shall not exceed 15% (zero to peak) of the main pulse; (3) The longitudinal acceleration vector (anterior-posterior direction) shall not exceed 15 g. | |||||
| 49:49:7.1.1.1.1.20.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.193 Neck assembly. | NHTSA | [71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29895, June 23, 2009] | (a) The neck assembly consists of parts shown in drawing 180-2000. For purposes of this test, the neck assembly is mounted within the headform assembly (180-9000) as shown in Figure V1 in appendix A to this subpart. When subjected to the test procedure specified in paragraph (b) of this section, the neck-headform assembly shall meet the performance requirements specified in paragraph (c) of this section. (b) Test procedure. (1) Soak the assembly in a test environment as specified in 49 CFR 572.200(j); (2) Attach the neck-headform assembly, as shown in Figure V2-A or V2-B in appendix A to this subpart, to the 49 CFR Part 572 pendulum test fixture (Figure 22, 49 CFR 572.33) in either the left or right lateral impact orientations, respectively, so that the midsagittal plane of the neck-headform assembly is vertical and at right angle (90 ±1 degrees) to the plane of motion of the pendulum longitudinal centerline; (3) Release the pendulum from a height sufficient to achieve a velocity of 5.57 ±0.06 m/s measured at the center of the pendulum accelerometer, as shown in 49 CFR Part 572 Figure 15, at the instant the pendulum makes contact with the decelerating mechanism; (4) The neck flexes without the neck-headform assembly making contact with any object; (5) Time zero is defined as the time of initial contact between the pendulum mounted striker plate and the pendulum deceleration mechanism; (6) Allow a period of at least thirty (30) minutes between successive tests on the same neck assembly. (c) Performance Criteria. (1) The pendulum deceleration pulse is characterized in terms of decrease in velocity as obtained by integrating the pendulum acceleration output from time zero: (2) The maximum translation-rotation of the midsagittal plane of the headform disk (180-9061 or 9062) in the lateral direction measured, with the rotation transducers specified in 49 CFR 572.200(e) shall be 71 to 81 degrees with respect to the longitudinal axis of the pendulum (see Figure V2-C in appendix A to this subpart) occurring b… | ||||
| 49:49:7.1.1.1.1.20.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.194 Shoulder. | NHTSA | [71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29895, June 23, 2009] | (a) The shoulder structure is part of the upper torso assembly shown in drawing 180-3000. For the shoulder impact test, the dummy is tested as a complete assembly (drawing 180-0000). The dummy is equipped with T1 laterally oriented accelerometer as specified in 49 CFR 572.200(d), and deflection potentiometer as specified in 180-3881 configured for shoulder and installed as shown in drawing 180-0000 sheet 2 of 5. When subjected to the test procedure as specified in paragraph (b) of this section, the shoulder shall meet the performance requirements of paragraph (c) of this section. (b) Test procedure. (1) Soak the dummy assembly (180-0000) in a test environment as specified in 49 CFR 572.200(j). (2) Seat the dummy, outfitted with the torso jacket (180-3450) and cotton underwear pants on a certification bench, specified in Figure V3 in appendix A to this subpart, the seat pan and the seatback surfaces of which are covered with a 2 mm thick PTFE (Teflon) sheet; (3) Align the outermost portion of the pelvis flesh of the impacted side of the seated dummy tangent to a vertical plane located within 10 mm of the side edge of the bench as shown in Figure V4-A in appendix A to this subpart, while the midsagittal plane of the dummy is in vertical orientation. (4) Push the dummy at the knees and at mid-sternum of the upper torso with just sufficient horizontally oriented force towards the seat back until the back of the upper torso is in contact with the seat back. (5) While maintaining the dummy's position as specified in paragraphs (b)(3) and (4) of this section, the top of the shoulder rib mount (drawing 180-3352) orientation in the fore-and-aft direction is 24.6 ±2.0 degrees relative to horizontal, as shown in Figure V4-B in appendix A to this subpart. (6) Adjust orientation of the legs such that they are symmetrical about the mid-sagittal plane, the thighs touch the seat pan, the inner part of the right and left legs at the knees are as close as possible to each other, the heels touch the designated foot support … | ||||
| 49:49:7.1.1.1.1.20.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.195 Thorax with arm. | NHTSA | [71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29895, June 23, 2009] | (a) The thorax is part of the upper torso assembly shown in drawing 180-3000. For the thorax with arm impact test, the dummy is tested as a complete assembly (drawing 180-0000). The dummy's thorax is equipped with T1 and T12 laterally oriented accelerometers as specified in 49 CFR 572.200(d), and deflection potentiometers for the thorax and shoulder as specified in 180-3881, installed as shown in drawing 180-0000 sheet 2 of 5. When subjected to the test procedure as specified in paragraph (b) of this section, the thorax shall meet performance requirements of paragraph (c) of this section. (b) Test procedure. (1) Soak the dummy assembly (180-0000) in a test environment as specified in 49 CFR 572.200(j). (2) Seat the dummy, outfitted with the torso jacket (180-3450) and cotton underwear pants on a certification bench, specified in Figure V3, the seat pan and the seatback surfaces of which are covered with a 2-mm-thick PTFE (Teflon) sheet. (3) Align the outermost portion of the pelvis flesh of the impacted side of the seated dummy tangent to a vertical plane located within 10 mm of the side edge of the bench as shown in Figure V5-A, while the midsagittal plane of the dummy is in vertical orientation. (4) Push the dummy at the knees and at mid-sternum of the upper torso with just sufficient horizontally oriented force towards the seat back until the back of the upper torso is in contact with the seat back. (5) While maintaining the dummy's position as specified in paragraphs (b)(3) and (4) of this section, the top of the shoulder rib mount (drawing 180-3352) orientation in the fore-and-aft direction is 24.6 ±2.0 degrees relative to horizontal as shown in Figure V5-B in appendix A to this subpart. (6) Adjust orientation of the legs such that they are symmetrical about the mid-sagittal plane, the thighs touch the seat pan, the inner part of the right and left legs at the knees are as close as possible to each other, the heels touch the designated foot support surface and the feet are vertical and as close toget… | ||||
| 49:49:7.1.1.1.1.20.1.7 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.196 Thorax without arm. | NHTSA | [71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29895, June 23, 2009] | (a) The thorax is part of the upper torso assembly shown in drawing 180-3000. For this thorax test, the dummy is tested as a complete assembly (drawing 180-0000) with the arm (180-6000) on the impacted side removed. The dummy's thorax is equipped with T1 and T12 laterally oriented accelerometers as specified in 49 CFR 572.200(d) and with deflection potentiometers for the thorax as specified in drawing 180-3881, installed as shown in drawing 180-0000 sheet 2 of 5. When subjected to the test procedure specified in paragraph (b) of this section, the thorax shall meet the performance requirements set forth in paragraph (c) of this section. (b) Test procedure. (1) Soak the dummy assembly (180-0000) in a test environment as specified in 49 CFR 572.200(j). (2) Seat the dummy, outfitted with the torso jacket (180-3450) and cotton underwear pants on a calibration bench, specified in Figure V3 in appendix A to this subpart, the seat pan and the seatback surfaces of which are covered with a 2-mm-thick PTFE (Teflon) sheet. (3) Align the outermost portion of the pelvis flesh of the impacted side of the seated dummy tangent to a vertical plane located within 10 mm of the side edge of the bench as shown in Figure V6-A, while the midsagittal plane of the dummy is in vertical orientation. (4) Push the dummy at the knees and at mid-sternum of the upper torso with just sufficient horizontally oriented force towards the seat back until the back of the upper torso is in contact with the seat back. (5) While maintaining the dummy's position as specified in paragraphs (b)(3) and (4) of this section, the top of the shoulder rib mount (drawing 180-3352) orientation in the fore-and-aft direction is 24.6 ±2.0 degrees relative to horizontal, as shown in Figure V6-B in appendix A to this subpart. (6) Adjust orientation of the legs such that they are symmetrical about the mid-sagittal plane, the thighs touch the seat pan, the inner part of the right and left legs at the knees are as close as possible to each other, the heels touch the… | ||||
| 49:49:7.1.1.1.1.20.1.8 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.197 Abdomen. | NHTSA | [71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29896, June 23, 2009] | (a) The abdomen assembly is part of the upper torso assembly (180-3000) and is represented by two ribs (180-3368) and two linear deflection potentiometers (180-3881). The abdomen test is conducted on the complete dummy assembly (180-0000) with the arm (180-6000) on the impacted side removed. The dummy is equipped with a lower spine laterally oriented accelerometer as specified in 49 CFR 572.200(d) and deflection potentiometers specified in drawing 180-3881, installed as shown in sheet 2 of drawing 180-0000. When subjected to the test procedure as specified in paragraph (b) of this section, the abdomen shall meet performance requirements of paragraph (c) of this section. (b) Test procedure. (1) Soak the dummy assembly (180-0000) in a test environment as specified in 49 CFR 572.200(j). (2) Seat the dummy, outfitted with the torso jacket (180-3450) and cotton underwear pants on a calibration bench, specified in Figure V3, the seat pan and the seatback surfaces of which are covered with a 2 mm thick PTFE (Teflon) sheet. (3) Align the outermost portion of the pelvis flesh of the impacted side of the seated dummy tangent to a vertical plane located within 10 mm of the side edge of the bench as shown in Figure V7-A in Appendix A to this subpart, while the midsagittal plane of the dummy is in vertical orientation. (4) Push the dummy at the knees and at mid-sternum of the upper torso with just sufficient horizontally oriented force towards the seat back until the back of the upper torso is in contact with the seat back. (5) While maintaining the dummy's position as specified in paragraph (b)(3) and (4) of this section, the top of the shoulder rib mount (drawing 180-3352) orientation in the fore-and-aft direction is 24.6 ±2.0 degrees relative to horizontal, as shown in Figure V7-B in appendix A to this subpart); (6) Adjust orientation of the legs such that they are symmetrical about the mid-sagittal plane, the thighs touch the seat pan, the inner part of the right and left legs at the knees are as close as possible… | ||||
| 49:49:7.1.1.1.1.20.1.9 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | V | Subpart V—SID-IIsD Side Impact Crash Test Dummy, Small Adult Female | § 572.198 Pelvis acetabulum. | NHTSA | [71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29896, June 23, 2009] | (a) The acetabulum is part of the lower torso assembly shown in drawing 180-4000. The acetabulum test is conducted by impacting the side of the lower torso of the assembled dummy (drawing 180-0000). The dummy is equipped with a laterally oriented pelvis accelerometer as specified in 49 CFR 572.200(d), acetabulum load cell SA572-S68, mounted as shown in sheet 2 of 5 of drawing 180-0000, and an unused and certified pelvis plug (180-4450). When subjected to the test procedure as specified in paragraph (b) of this section, the pelvis shall meet performance requirements of paragraph (c) of this section. (b) Test procedure. (1) Soak the dummy assembly (180-0000) in a test environment as specified in 49 CFR 572.200(j). (2) Seat the dummy, without the torso jacket (180-3450) and without cotton underwear pants, as shown in Figure V8-A in appendix A to this subpart, on a calibration bench, specified in Figure V3 in appendix A to this subpart, with the seatpan and the seatback surfaces covered with a 2-mm-thick PTFE (Teflon) sheet; (3) Align the outermost portion of the pelvis flesh of the impacted side of the seated dummy tangent to a vertical plane located within 10 mm of the side edge of the bench as shown in Figure V8-A in appendix A to this subpart, while the midsagittal plane of the dummy is in vertical orientation. (4) Push the dummy at the knees and at mid-sternum of the upper torso with just sufficient horizontally oriented force towards the seat back until the back of the upper torso is in contact with the seat back. (5) While maintaining the dummy's position as specified in paragraphs (b)(3) and (4) of this section, the top of the shoulder rib mount (drawing 180-3352) orientation in the fore-and-aft direction is 24.6 ±1.0 degrees relative to horizontal, as shown in Figure V8-B in appendix A to this subpart; (6) Adjust orientation of the legs such that they are symmetrical about the mid-sagittal plane, the thighs touch the seat pan, the inner part of the right and left legs at the knees are as close as pos… | ||||
| 49:49:7.1.1.1.1.21.1.1 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | W | Subpart W—Q3s Three-Year-Old Child Test Dummy | § 572.210 Incorporation by reference. | NHTSA | [85 FR 69925, Nov. 3, 2020, as amended at 86 FR 66218, Nov. 22, 2021] | Certain material is incorporated by reference (IBR) into this part with the approval of the Director of the Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. To enforce any edition other than that specified in this section, NHTSA must publish a document in the Federal Register and the material must be available to the public. All approved material is available for inspection at the Department of Transportation, Docket Operations, Room W12-140, 1200 New Jersey Avenue SE, Washington DC 20590, telephone 202-366-9826, and is available from the sources listed in paragraphs (a) and (b) of this section. It is also available for inspection at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email fedreg.legal@nara.gov or go to www.archives.gov/federal-register/cfr/ibr-locations.html. (a) NHTSA Technical Information Services, 1200 New Jersey Ave. SE, Washington, DC 20590, telephone 202-366-5965. (1) A parts/drawing list entitled, “Parts/Drawings List, Part 572 Subpart W, Q3s Three-Year-Old Child Side Impact Dummy” dated (and revised) January 2021 (Parts/Drawings List); IBR approved for § 572.211. (2) A drawings and inspection package entitled, “Drawings and Specifications for Q3s Three-Year-Old Child Side Impact Dummy, Part 572 Subpart W” dated (and revised) January 2021 (Drawings and Specifications); IBR approved for §§ 572.211, 572.212, 572.213, 572.214, 572.215, 572.216, 572.217, 572.218, and 572.219. (3) A procedures manual entitled “Procedures for Assembly, Disassembly, and Inspection (PADI) of the Q3s Child Side Impact Crash Test Dummy” dated January 2021 (PADI); IBR approved for §§ 572.211, 572.215(b), 572.216(b), and 572.219(a). (b) SAE International, 400 Commonwealth Drive, Warrendale, PA 15096, call 1-877-606-7323, https://www.sae.org/. (1) SAE Recommended Practice J211/1, Rev. Mar 95, “Instrumentation for Impact Tests—Part 1—Electronic Instrumentation,” (SAE J211); IBR approved for § 572.219; (2) SAE Information Report J1… | ||||
| 49:49:7.1.1.1.1.21.1.10 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | W | Subpart W—Q3s Three-Year-Old Child Test Dummy | § 572.219 Test conditions and instrumentation. | NHTSA | All assemblies and drawings referenced in this section are contained in Drawings and Specifications, incorporated by reference, see § 572.210. (a) The following test equipment and instrumentation is needed for qualification as set forth in this subpart: (1) The test probe for shoulder, thorax, and pelvis impacts is of rigid metallic construction, concentric in shape, and symmetric about its longitudinal axis. It has a mass of 3.81 ± 0.02 kg and a minimum mass moment of inertia of 560 kg-cm 2 in yaw and pitch about the CG. One-third ( 1/3 ) of the weight of the suspension cables and their attachments to the impact probe is included in the calculation of mass, and such components may not exceed five percent of the total weight of the test probe. The impacting end of the probe, perpendicular to and concentric with the longitudinal axis, is at least 25.4 mm long, and has a flat, continuous, and non-deformable 70.0 ± 0.25 mm diameter face with an edge radius between 6.4-12.7 mm. The probe's end opposite to the impact face has provisions for mounting of an accelerometer with its sensitive axis collinear with the longitudinal axis of the probe. No concentric portions of the impact probe may exceed the diameter of the impact face. The impact probe shall have a free air resonant frequency of not less than 1000 Hz, which may be determined using the procedure listed in the PADI (incorporated by reference, see § 572.210). (2) Head accelerometers have dimensions, response characteristics, and sensitive mass locations specified in drawing SA572-S4 and are mounted in the head as shown in drawing 020-0100, sheet 2 of 5. (3) The upper neck force and moment transducer has the dimensions, response characteristics, and sensitive axis locations specified in drawing SA572-S8 and is mounted in the head-neck assembly as shown in drawing 020-0100, sheet 2 of 5. (4) The angular rate sensors for the fore-aft neck flexion and lateral neck flexion qualification tests have the dimensions and response characteristics specified in drawi… | |||||
| 49:49:7.1.1.1.1.21.1.2 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | W | Subpart W—Q3s Three-Year-Old Child Test Dummy | § 572.211 General description. | NHTSA | (a) The Q3s Three-Year-Old Child Test Dummy is defined by the following materials: (1) The Parts/Drawings List (incorporated by reference, see § 572.210); (2) The Drawings and Specifications (incorporated by reference, see § 572.210); (3) The PADI (incorporated by reference, see § 572.210). (b) The structural properties of the dummy are such that the dummy conforms to this subpart in every respect before use in any test. | |||||
| 49:49:7.1.1.1.1.21.1.3 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | W | Subpart W—Q3s Three-Year-Old Child Test Dummy | § 572.212 Head assembly and test procedure. | NHTSA | All assemblies and drawings referenced in this section are contained in Drawings and Specifications, incorporated by reference, see § 572.210. (a) The head assembly for this test consists of the complete head (drawing 020-1200) with head accelerometer assembly (drawing 020-1013A), and a half mass simulated upper neck load cell (drawing 020-1050). (b) When the head assembly is tested according to the test procedure in paragraph (c) of this section, it shall have the following characteristics: (1) Frontal head qualification test. When the head assembly is dropped from a height of 376.0 ± 1.0 mm in accordance with paragraph (c) of this section, the peak resultant acceleration at the location of the accelerometers at the head CG shall have a value between 255 G and 300 G. The resultant acceleration vs. time history curve shall be unimodal; oscillations occurring after the main pulse must be less than 10 percent of the peak resultant acceleration. The lateral acceleration shall not exceed 15 G (zero to peak). (2) Lateral head qualification test. When the head assembly is dropped from a height of 200.0 ± 1.0 mm in accordance with paragraph (c) of this section, the peak resultant acceleration at the location of the accelerometers at the head CG shall have a value between 114 G and 140 G. The resultant acceleration vs. time history curve shall be unimodal; oscillations occurring after the main pulse must be less than 10 percent of the peak resultant acceleration. The X-component acceleration shall not exceed 15 G (zero to peak). (c) The test procedure for the head assembly is as follows: (1) Soak the head assembly in a controlled environment at any temperature between 20.6 and 22.2 °C and a relative humidity from 10 to 70 percent for at least four hours prior to a test. (2) Prior to the test, clean the impact surface of the skin and the impact plate surface with isopropyl alcohol, trichloroethane, or an equivalent. The skin of the head and the impact plate surface must be clean and dry for testing. (3)(i) For… | |||||
| 49:49:7.1.1.1.1.21.1.4 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | W | Subpart W—Q3s Three-Year-Old Child Test Dummy | § 572.213 Neck assembly and test procedure. | NHTSA | All assemblies and drawings referenced in this section are contained in Drawings and Specifications, incorporated by reference, see § 572.210. (a)(1) The neck and headform assembly for the purposes of the fore-aft neck flexion and lateral neck flexion qualification tests, as shown in figures W3 and W4 in appendix A to this subpart, consists of the headform (drawing 020-9050, sheet 1) with angular rate sensor installed (drawing SA572-S58), six-channel neck/lumbar load cell (drawing SA572-S8), neck assembly (drawing 020-2400), neck/torso interface plate (drawing 020-9056) and pendulum interface plate (drawing 020-9051) with angular rate sensor installed (drawing SA572-S58). (2) The neck assembly for the purposes of the neck torsion qualification test, as shown in figure W5 in appendix A to this subpart, consists of the neck twist fixture (drawing DL210-200) with rotary potentiometer installed (drawing SA572-S51), neck adaptor plate assembly (drawing DL210-220), neck assembly (drawing 020-2400), six-channel neck/lumbar load cell (drawing SA572-S8), and twist fixture end plate (drawing DL210-210). (b) When the neck and headform assembly as defined in paragraph (a)(1) of this section, or the neck assembly as defined in paragraph (a)(2) of this section, is tested according to the test procedure in paragraph (c) of this section, it shall have the following characteristics: (1) Fore-aft neck flexion qualification test. (i) Plane D, referenced in figure W3 in appendix A to this subpart, shall rotate in the direction of pre-impact flight with respect to the pendulum's longitudinal centerline between 69.5 degrees and 81.0 degrees. During the time interval while the rotation is within these angles, the peak moment measured by the neck transducer (drawing SA572-S8) shall have a value between 41.5 N-m and 50.7 N-m. (ii) The decaying headform rotation vs. time curve shall cross the zero angle with respect to its initial position at time of impact relative to the pendulum centerline between 45 to 55 ms after the time the … | |||||
| 49:49:7.1.1.1.1.21.1.5 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | W | Subpart W—Q3s Three-Year-Old Child Test Dummy | § 572.214 Shoulder assembly and test procedure. | NHTSA | All assemblies and drawings referenced in this section are contained in Drawings and Specifications, incorporated by reference, see § 572.210. (a) The shoulder assembly for this test consists of the torso assembly (drawing 020-4500) with string pot assembly (drawing SA572-S38 or SA572-S39) installed. (b) When the center of the shoulder of a completely assembled dummy (drawing 020-0100) is impacted laterally by a test probe conforming to § 572.219, at 3.6 ± 0.1 m/s according to the test procedure in paragraph (c) of this section: (1) Maximum lateral shoulder displacement (compression) relative to the spine, measured with the string potentiometer assembly (drawing SA572-S38 or SA572-S39), must not be less than 17.0 mm and not more than 22.0 mm. The peak force, measured by the impact probe as defined in § 572.219 and calculated in accordance with paragraph (b)(2) of this section, shall have a value between 1123 N and 1437 N. (2) The force shall be calculated by the product of the impactor mass and its measured deceleration. (c) The test procedure for the shoulder assembly is as follows: (1) The dummy is clothed in the Q3s suit (drawing 020-8001). No additional clothing or shoes are placed on the dummy. (2) Soak the dummy in a controlled environment at any temperature between 20.6 and 22.2 °C and a relative humidity from 10 to 70 percent for at least four hours prior to a test. (3) The shoulder test is carried out in the direction opposing the primary load vector of the ensuing full scale test for which the dummy is being qualified. A left shoulder test set-up that is used to qualify the dummy for an ensuing full scale left side impact is depicted in figure W6 in appendix A to this subpart. A right shoulder set-up would be a mirror image of that shown in figure W6. Seat the dummy on the qualification bench described in figure V3 to § 572.194, the seat pan and seat back surfaces of which are covered with thin sheets of PTFE (Teflon) (nominal stock thickness: 2 to 3 mm) along the impact side of the bench. (4) … | |||||
| 49:49:7.1.1.1.1.21.1.6 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | W | Subpart W—Q3s Three-Year-Old Child Test Dummy | § 572.215 Thorax with arm assembly and test procedure. | NHTSA | All assemblies and drawings referenced in this section are contained in Drawings and Specifications, incorporated by reference, see § 572.210. (a) The thorax assembly for this test consists of the torso assembly (drawing 020-4500) with an IR-TRACC (drawing SA572-S37) installed. (b) When the thorax of a completely assembled dummy (drawing 020-0100) is impacted laterally by a test probe conforming to § 572.219 at 5.0 ± 0.1 m/s according to the test procedure in paragraph (c) of this section: (1) Maximum lateral thorax displacement (compression) relative to the spine, measured with the IR-TRACC (drawing SA572-S37) and processed as set out in the PADI (incorporated by reference, see § 572.210), shall have a value between 22.5 mm and 27.5 mm. The peak force occurring after 5 ms, measured by the impact probe as defined in § 572.219 and calculated in accordance with paragraph (b)(2) of this section, shall have a value between 1360 N and 1695 N. (2) The force shall be calculated by the product of the impactor mass and its measured deceleration. (3) Time zero is defined as the time of contact between the impact probe and the arm. All channels should be at a zero level at this point. (c) The test procedure for the thorax with arm assembly is as follows: (1) The dummy is clothed in the Q3s suit (drawing 020-8001). No additional clothing or shoes are placed on the dummy. (2) Soak the dummy in a controlled environment at any temperature between 20.6 and 22.2 °C and a relative humidity from 10 to 70 percent for at least four hours prior to a test. (3) The test is carried out in the direction opposing the primary load vector of the ensuing full scale test for which the dummy is being qualified. A left thorax test set-up that is used to qualify the dummy for an ensuing full scale left side impact is depicted in figure W7 in appendix A to this subpart. A right thorax set-up would be a mirror image of that shown in figure W7. Seat the dummy on the qualification bench described in figure V3 to § 572.194, the seat pan and s… | |||||
| 49:49:7.1.1.1.1.21.1.7 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | W | Subpart W—Q3s Three-Year-Old Child Test Dummy | § 572.216 Thorax without arm assembly and test procedure. | NHTSA | All assemblies and drawings referenced in this section are contained in Drawings and Specifications, incorporated by reference, see § 572.210. (a) The thorax assembly for this test consists of the torso assembly (drawing 020-4500) with IR-TRACC (drawing SA572-S37) installed. (b) When the thorax of a completely assembled dummy (drawing 020-0100) with the arm (drawing 020-9700 or 020-9800) on the impacted side removed is impacted laterally by a test probe conforming to § 572.219 at 3.3 ± 0.1 m/s according to the test procedure in paragraph (c) of this section: (1) Maximum lateral thorax displacement (compression) relative to the spine, measured with the IR-TRACC (drawing SA572-S37) and processed as set out in the PADI (incorporated by reference, see § 572.210), shall have a value between 24.5 mm and 30.5 mm. The peak force, measured by the impact probe as defined in § 572.219 and calculated in accordance with paragraph (b)(2) of this section, shall have a value between 610 N and 754 N. (2) The force shall be calculated by the product of the impactor mass and its measured deceleration. (c) The test procedure for the thorax without arm assembly is as follows: (1) The dummy is clothed in the Q3s suit (drawing 020-8001). No additional clothing or shoes are placed on the dummy. (2) Soak the dummy in a controlled environment at any temperature between 20.6 and 22.2 °C and a relative humidity from 10 to 70 percent for at least four hours prior to a test. (3) The test is carried out in the direction opposing the primary load vector of the ensuing full scale test for which the dummy is being qualified. A left thorax test set-up that is used to qualify the dummy for an ensuing full scale left side impact is depicted in figure W8 in appendix A to this subpart. A right thorax set-up would be a mirror image of that shown in Figure W8. Seat the dummy on the qualification bench described in figure V3 to § 572.194, the seat pan and seat back surfaces of which are covered with thin sheets of PTFE (Teflon) (nominal stock thi… | |||||
| 49:49:7.1.1.1.1.21.1.8 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | W | Subpart W—Q3s Three-Year-Old Child Test Dummy | § 572.217 Lumbar spine assembly and test procedure. | NHTSA | All assemblies and drawings referenced in this section are contained in Drawings and Specifications, incorporated by reference, see § 572.210. (a) The lumbar spine and headform assembly for the purposes of the fore-aft lumbar flexion and lateral lumbar flexion qualification tests, as shown in Figures W9 and W10 in appendix A to this subpart, consists of the headform (drawing 020-9050, sheet 2) with angular rate sensor installed (drawing SA572-S58), six-channel neck/lumbar load cell (drawing SA572-S8), lumbar spine assembly (drawing 020-6000), lumbar interface plate (drawing 020-9062) and pendulum interface plate (drawing 020-9051) with angular rate sensor installed (drawing SA572-S58). (b) When the lumbar spine and headform assembly is tested according to the test procedure in paragraph (c) of this section, it shall have the following characteristics: (1) Fore-aft lumbar flexion qualification test. (i) Plane D, referenced in figure W9 in appendix A to this subpart, shall rotate in the direction of pre-impact flight with respect to the pendulum's longitudinal centerline between 47.0 degrees and 58.5 degrees. During the time interval while the rotation is within these angles, the peak moment measured by the neck/lumbar transducer (drawing SA572-S8) shall have a value between 78.2 N-m and 96.2 N-m. (ii) The decaying headform rotation vs. time curve shall cross the zero angle with respect to its initial position at time of impact relative to the pendulum centerline between 49 to 59 ms after the time the peak rotation value is reached. (iii) All instrumentation data channels are defined to be zero when the longitudinal centerline of the lumbar spine and pendulum are parallel. (iv) The headform rotation shall be calculated by the following formula with the integration beginning at time zero: Headform rotation (deg) = ∫ [(Headform Angular Rate) y −(Pendulum Angular Rate) y ] dt (v) (Headform Angular Rate) y is the angular rate about the y-axis in deg/sec measured on the headform (drawing 020-9050, sheet 2), … | |||||
| 49:49:7.1.1.1.1.21.1.9 | 49 | Transportation | V | 572 | PART 572—ANTHROPOMORPHIC TEST DEVICES | W | Subpart W—Q3s Three-Year-Old Child Test Dummy | § 572.218 Pelvis assembly and test procedure. | NHTSA | All assemblies and drawings referenced in this section are contained in Drawings and Specifications, incorporated by reference, see § 572.210. (a) The pelvis assembly (drawing 020-7500) for this test may include either a uniaxial pubic load cell (drawing SA572-S7) or a pubic load cell structural replacement (drawing 020-7150) installed on the non-impact side of the pelvis. (b) When the center of the pelvis of a completely assembled dummy (drawing 020-0100) is impacted laterally by a test probe conforming to § 572.219 at 4.0 ± 0.1 m/s according to the test procedure in paragraph (c) of this section: (1) The peak force, measured by the impact probe as defined in § 572.219 and calculated in accordance with paragraph (b)(2) of this section, shall have a value between 1587 N and 1901 N. (2) The force shall be calculated by the product of the impactor mass and its measured deceleration. (c) The test procedure for the pelvis assembly is as follows: (1) The dummy is clothed in the Q3s suit (drawing 020-8001). No additional clothing or shoes are placed on the dummy. (2) Soak the dummy in a controlled environment at any temperature between 20.6 and 22.2 °C (69 and 72 °F) and a relative humidity from 10 to 70 percent for at least four hours prior to a test. (3) The pelvis test is carried out in the direction opposing the primary load vector of the ensuing full scale test for which the dummy is being qualified. A left pelvis test set-up that is used to qualify the dummy for an ensuing full scale left side impact is depicted in figure W11 in appendix A to this subpart. A right pelvis test set-up would be a mirror image of that shown in figure W11. Seat the dummy on the qualification bench described in figure V3 to § 572.194, the seat pan and seat back surfaces of which are covered with thin sheets of PTFE (Teflon) (nominal stock thickness: 2 to 3 mm) along the impact side of the bench. (4) Position the dummy on the bench as shown in figure W11 in appendix A to this subpart, with the ribs making contact with the seat … |
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