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Open Track Racing
Cage advice needed
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<blockquote data-quote="Richter888" data-source="post: 15439834" data-attributes="member: 101362"><p>This isn't a Mustang, but this site gets a lot more traffic and knowledgeable members. </p><p></p><p>I have a 1984 300zx drift/open track project. We are building the cage to scca standard and ran into a snag. We are confused about one of the rules related to the hoop. Please see item 1 in fabrication. We ran a continuous hoop in the center and front. Did I misunderstand, and if so, would my cage as we have built the front still pass? I am still running braces between hoops soon.</p><p></p><p>C. FABRICATION</p><p>1. One continuous length of tubing must be used for the hoop member with smooth continuous bends and no evidence of crimping or wall failure.</p><p></p><p>2. All welding must be of the highest possible quality with full penetration </p><p>and will be subjected to very critical inspection. Arc welding, particularly </p><p>heliarc, should be used wherever possible.</p><p></p><p>D. BRACING</p><p>1. It is recommended that braces be of the same size tubing as used for the roll bar itself.</p><p></p><p>2. All roll bars must be braced in a manner to prevent movement in a fore-and-aft direction with the brace attached within the top one-third of the roll hoop, and at an angle of at least thirty degrees (30°) from vertical. It is strongly recommended that two such braces be used, parallel to the sides of the car, and placed at the outer extremities of the roll bar hoop. Such braces should extend to the rear whenever possible.</p><p></p><p>INFO</p><p>TUBING: 1 3/4" .095 DOM</p><p>WELDING TYPE: MIG</p><p>CAGE STYLE: 6 point</p><p></p><p>Picture below. Did I go above and beyond, or do I need to change it? Sorry for low light.</p><p></p><p>[ATTACH=full]697510[/ATTACH]</p></blockquote><p></p>
[QUOTE="Richter888, post: 15439834, member: 101362"] This isn't a Mustang, but this site gets a lot more traffic and knowledgeable members. I have a 1984 300zx drift/open track project. We are building the cage to scca standard and ran into a snag. We are confused about one of the rules related to the hoop. Please see item 1 in fabrication. We ran a continuous hoop in the center and front. Did I misunderstand, and if so, would my cage as we have built the front still pass? I am still running braces between hoops soon. C. FABRICATION 1. One continuous length of tubing must be used for the hoop member with smooth continuous bends and no evidence of crimping or wall failure. 2. All welding must be of the highest possible quality with full penetration and will be subjected to very critical inspection. Arc welding, particularly heliarc, should be used wherever possible. D. BRACING 1. It is recommended that braces be of the same size tubing as used for the roll bar itself. 2. All roll bars must be braced in a manner to prevent movement in a fore-and-aft direction with the brace attached within the top one-third of the roll hoop, and at an angle of at least thirty degrees (30°) from vertical. It is strongly recommended that two such braces be used, parallel to the sides of the car, and placed at the outer extremities of the roll bar hoop. Such braces should extend to the rear whenever possible. INFO TUBING: 1 3/4" .095 DOM WELDING TYPE: MIG CAGE STYLE: 6 point Picture below. Did I go above and beyond, or do I need to change it? Sorry for low light. [ATTACH=full]697510[/ATTACH] [/QUOTE]
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