F.8.6 Non Crushable Objects

F.8.6.1 The combination of the Impact Attenuator assembly and the force to crush or detach all other items forward of the Anti Intrusion plate must not exceed the peak deceleration specified in F.8.7.2

Ignore light bodywork, light nosecones, and outboard wheel assemblies

F.8.6.2 The peak load for the type of Impact Attenuator:

• • Standard Foam Impact Attenuator 95 kN

  • Standard Honeycomb Impact Attenuator 60 kN

  • Tested Impact Attenuator Tested Impact Attenuator
    

F.8.6.3  Use the Test Method F.8.6.4 or the Calculation Method F.8.6.5 to prove the force requirement

F.8.6.4  Test Method
Get the peak force from physical testing of the Impact Attenuator and any Non Crushable Object(s) as one of the two:

• • a. Tested together with the Impact Attenuator

  • b. Tested with the Impact Attenuator not attached, and add the peak load from F.8.6.2
    
    

F.8.6.5  Calculation Method

• • a. Calculate a failure load for the mounting of the Non Crushable Object(s) from fastener shear, tearout, and/or link buckling

  • b. Add the peak attenuator load from F.8.6.2
    

F.8.6.6 The front wing and front wing mounts must be able to move completely behind the Anti Intrusion Plate and not touch the chassis in the event of a frontal impact

Explanation