NHRA-legal roll bar
(→Rear braces) |
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One note of interest here, minimum O.D. of the tubing for a roll '''bar''' is 1 3/4", for a roll '''cage''' it's 1 5/8", so it may be cheaper to buy all 1 5/8" tubing and build the cage from the start. | One note of interest here, minimum O.D. of the tubing for a roll '''bar''' is 1 3/4", for a roll '''cage''' it's 1 5/8", so it may be cheaper to buy all 1 5/8" tubing and build the cage from the start. | ||
− | + | ==Roll bar rule== | |
'''2008 NHRA Rulebook, General Regulations 4:10 ROLL BARS:''' | '''2008 NHRA Rulebook, General Regulations 4:10 ROLL BARS:''' | ||
<blockquote> | <blockquote> | ||
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</blockquote> | </blockquote> | ||
+ | ==Analysis== | ||
Now, let's examine the rule: | Now, let's examine the rule: | ||