Definitions
The following definitions apply throughout the Rules document:
a. Main Hoop - A roll bar located alongside or just behind the driver’s torso.
b. Front Hoop - A roll bar located above the driver’s legs, in proximity to the steering wheel.
c. Roll Hoops – Both the Front Hoop and the Main Hoop are classified as “Roll Hoops”
d. Roll Hoop Bracing Supports – The structure from the lower end of the Roll Hoop Bracing back to the Roll Hoop(s).
e. Frame Member - A minimum representative single piece of uncut, continuous tubing.
f. Frame - The “Frame” is the fabricated structural assembly that supports all functional vehicle systems. This assembly may be a single welded structure, multiple welded structures or a combination of composite and welded structures.
g. Primary Structure – The Primary Structure is comprised of the following Frame components: