< Previous | Contents | Next >
F.5.8.1 Main Hoop Braces must be constructed of closed section steel tubing meeting F.3.2.1.h
F.5.8.2 The Main Hoop must be supported by two Braces extending in the forward or rearward direction, one on each of the left and right sides of the Main Hoop.
F.5.8.3 In the side view of the Frame, the Main Hoop and the Main Hoop Braces must not lie on the same side of the vertical line through the top of the Main Hoop.
(If the Main Hoop leans forward, the Braces must be forward of the Main Hoop, and if the Main Hoop leans rearward, the Braces must be rearward of the Main Hoop)
F.5.8.4 The Main Hoop Braces must be attached 160 mm or less below the top most surface of the Main Hoop.
The Main Hoop Braces should be attached as near as possible to the top of the Main Hoop
F.5.8.5 The included angle formed by the Main Hoop and the Main Hoop Braces must be 30° or more.
F.5.8.6 The Main Hoop Braces must be straight, without any bends.
F.5.8.7 The Main Hoop Braces must be:
a. Securely integrated into the Frame
b. Capable of transmitting all loads from the Main Hoop into the Major Structure of the Chassis without failing