In all cases, device/s used to retain parachute must be removed prior to being in the hands of The Starter.
Grade 8 -1/2” bolt minimum
PARACHUTE MOUNTING BRACKET Bracket must be minimum 32mm wide 3mm minimum thickness
Bushing between brackets Parachute bushing must be 25mm (1 inch) outside diameter and 13mm (1/2inch) bolt minimum
4.11 INTERIOR 4.11.1 TRIM Where permitted by Class Regulations, door trims, dashboard crash pads and other trim maybe removed. In all cases, the areas where trim has been removed from must be either re-trimmed with a metal or composite material and any sharp edges covered. This must be done to the extent that the risk of injury to the competitor or passenger is not increased.
4.11.2 WINDOW NETS The following vehicles require either arm restraints or a window net: •
Cars quicker than 11.00 seconds (1/4 mile or equivalent).
Modern Street Cars quicker than 10.00 seconds (1/4 mile or equivalent).
All window nets must be positioned forward of the driver's seating position so as to contain the driver’s arms in the event of an accident. A ribbon type window net, where fitted, must be fixed between the side and top bars at the driver’s window, and must be permanently attached at the bottom edge.
Sprint car triangle type window nets are not permitted to be used as an external window net.