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F.8.2.1 The Anti Intrusion Plate must be one of the following:
a. 1.5 mm minimum thickness solid steel
b. 4.0 mm minimum thickness solid aluminum plate
c. Composite material per F.8.3
F.8.2.2 The outside profile requirement of the Anti Intrusion Plate depends on the method of attachment to the Front Bulkhead:
a. Welded joints: the profile must extend at least to the centerline of the Front Bulkhead tubes on all sides.
b. Bolted joints: the profile must match the outside dimensions of the Front Bulkhead around the entire periphery.
F.8.2.3 Attachment of the Anti Intrusion Plate directly to the Front Bulkhead must be documented in
the team’s SES submission. The accepted methods of attachment are:
a. Welding, where the welds are continuous or interrupted.
If interrupted, the weld/space ratio must be 1:1 or greater. All weld lengths must be greater than 25 mm.
b. Bolted joints, using no less than eight 8 mm or 5/16” minimum diameter Critical Fasteners, see T.8.2.
The distance between any two bolt centers must be 50 mm or more.
Each bolt attachment must have pullout and tearout capabilities of 15 kN.