Document ID: chunk:federal_register_of_legislation:F2010C00408:body:0:p21
Version: federal_register_of_legislation:F2010C00408
Segment Type: other
Provision Reference: 
Character Range: 59057–61956

2.7.1.3. The beginning of the impact (zero point) at the moment of first contact of the body block with the steering control shall be identified on the recordings and films used for analysing the results of the test.

       2.7.1.4. Measurement of force
        The instrumentation used shall comply with ISO 6487: 1987 unless otherwise specified in this Regulation.

       2.7.1.4.1. With load transducers inserted on the steering system:
        The channel amplitude class shall be 1,960 daN (2,000 kg) and the channel frequency class 600.

       2.7.1.4.2. With accelerometers or load transducers inserted on the body block:  Two unidirectional accelerometers shall be placed symmetrically in the transverse plane of the centre of gravity of the body block.  The channel amplitude class shall be 60 g and the channel frequency class 180.  Other methods with regard to the number and positioning of the measuring accelerometers shall be allowed, such as by dividing the test apparatus in separate parts at the centre of gravity of which accelerometers are placed to measure the acceleration horizontally and parallel to the longitudinal axis of the vehicle.

        The resultant force shall be the force corresponding to the maximum of the sum of forces calculated or measured directly for each part of the body block.

       2.8. Ambient temperature:  stabilized at 20 C   5  C.

       3. Results

       3.1. After the test, the damage sustained by the steering mechanism shall be ascertained and described in a written report; at least one side-view and one front-view photograph of the "steering control/steering column/instrument panel" area shall be taken.

       3.2. The maximum value of the force shall be measured or calculated as indicated in paragraph 2.4.
 Annex 4 -Appendix

(Mass: 34 - 36 kg. 50th percentile torso-shaped body block)

Spring rate: 107 - 143 kgf/cm. The chest is loaded with a 100 mm beam as shown, 90º to the longitudinal axis of the block and parallel to the backing plate. The load is measured when the beam has moved 12.7 mm into the body block.
Rubber-like material strapped and taped to backing plate.
Dimensions in mm.

 Annex 5

 HEAD FORM TEST

       1. PURPOSE

        The purpose of this text is to verify whether the steering control meets the requirements set out in paragraph 5.3. of this Regulation.

       2. INSTALLATIONS, PROCEDURES AND MEASURING INSTRUMENTS

       2.1. General

       2.1.1. The steering control shall be tested complete with trim.

       2.1.2. If the steering control is fitted with a steering wheel air-bag, the test shall be carried out with the air-bag inflated.  At the request of the manufacturer and with the consent of the technical service the test may be carried out without the air-bag inflated.

       2.2. Mounting of the steering control when seeking steering control approval related to vehicle