Document ID: chunk:federal_register_of_legislation:F2010C00408:body:0:p19
Version: federal_register_of_legislation:F2010C00408
Segment Type: other
Provision Reference: 
Character Range: 53758–56651

, if m1  is not more than 1.25 m0  and if the corrected variation D2 obtained from the variation D1  by the formula D2  =  1.D1  is
               m0
        such as to  show that the new vehicle still meets the requirements of paragraph 5. of this Regulation.

       5. EQUIVALENT PROCEDURES

       5.1. Alternative tests may be permitted at the discretion of the Approval Authority provided equivalence can be demonstrated.  A report shall be attached to the approval documentation describing the method used and the results obtained or the reason for not carrying out the test.

       5.2. Responsibility for demonstrating the equivalence of the alternative method shall rest with the manufacturer or his agent wishing to use such a method.

 __________________

 Annex 4

 BODY BLOCK TEST
       1. Purpose

        The purpose of this test is to verify whether the vehicle meets the requirements set out in paragraph 5.2. of this Regulation.

       2. Installations, procedures and measuring instruments

       2.1. Mounting of the steering control

       2.1.1. The control shall be mounted on the front section of the vehicle obtained by cutting the body transversely at the level of the front seats, and possibly eliminating the roof, windscreen and doors.  This section shall be fixed rigidly to the test bench, so that it does not move under the impact of the body block.

        The tolerance on the control mounting angle shall be  2 degrees of the design angle.

       2.1.2. However, at the request of the manufacturer and with the agreement of the technical service, the steering control may be mounted on a framework simulating the mounting of the steering mechanism, provided that, as compared with the real "front body section/steering mechanism" assembly the "framework/steering mechanism" assembly has:

       2.1.2.1 the same geometrical layout,

       2.1.2.2. greater rigidity.

       2.1.3. Mounting of the steering control when seeking steering control approval only.  The steering control shall be tested complete with trim.  The steering control must have a minimum collapsing space of 100 mm between the steering control and the test bench.  The steering shaft shall be firmly attached to the test bench so that the steering shaft does not move under impact (see fig. 2).

       2.2. Setting of the steering mechanism for the tests

       2.2.1. During the first test, the steering control shall be turned so that its most rigid spoke is perpendicular to the point of contact with the body block; if the steering control is a steering wheel, the test shall be repeated with the most flexible part of the steering wheel perpendicular to that point of contact.  In the case of an adjustable steering control, both tests shall be made with the wheel adjusted to the normal position indicated by the manufacturer or, failing that, midway between the limits