We break down the rules bar by bar using a chris alstons chassisworks prebent cage on a. Roll cages i basic design considerations the essential features of rollover cages are sound construction designed to suit the particular vehicle, adequate mountings and a close fit to the body shell. Jan 31, 2017 scca log books dated back to 1972, the first year that the scca issued log books, and then raced into the 90s updated roll cage almost all of the brackets car, plus the lightweight wheels in photos mgb race you are still miffed at the mg car company for dropping those tall. Roll cages may be of two designs, low front hoop or high front hoop. The roll cage, one of the defining parts nonenthusiasts will quickly recognize when it comes to race cars. Moreover, each bend and cut must be precisely correct even a small gap is difficult to weld over and shows in the final product. Its not designed for one specific class and will likely not be competitive in.
Entrylevel track days, autocross and time trial events remove the racing. There are a number of roll cage designs that exist for use depending on your needs. If an alternate set of specifications for the material of the cage, i. Most classes will require our 1 58 dom cage, but we recommend that you always double check before ordering. Fj40 cage brush guards roll bars bumpers pace cars scca cages stock cars nhra cages mandrel bending sunsafety glasses truck tops great links email for info. Appendix c roll bars appendix c solo roll bar standards. Roll cage or chassis design must prevent engine intrusion into the.
Corvette safety corvette roll bar nhrascca nasa legal. Each car shall have a log book properly filled in and maintained. Roll cage in a daily driver if you look at anyones rulebooks on how an acceptable cage is constructed, you should have no problems as long as you are just building a 6 pointer. Im building up trackonly corrado and just started mocking up the cage design. Roll cage or chassis design shall prevent engine intrusion into the driver compartment. Skoda fabia anti roll bar bushes roll cage and bar supply. We can custom tailor a complete roll cage kit for your. Basic 914 roll cage kit tangerine racing roll cages.
Interior trim may be modified to the extent necessary to facilitate proper roll cage installation. We can custom tailor a complete roll cage kit for your application. I also compared it to a couple other rule books for other organizations in my area that i might run with. Ahead of the scca national runoffs here is a quick guide for understanding the various classes. Road racing and drifting have become some of americas hottest new sports and rrc now has roll cages for them too. Automotive books tools and equipment hardware and supplies. Models are available for all popular cars and trucks.
To request a new car classification, adjustment or clarification on a rule, click on the link below to submit a letter. Roll bar design, materials, and fabrication must be consistent with sound. This cage closely conforms to your car s interior, allowing quick entry and exit. Every car must have a current copy of the following forms on file in order to compete. I have never designed or built a cage in the past, so im looking for comments and suggestions from people who have done this sort of thing. Please click on the above links to see other works. Previously logbooked cars with a rally america log book are subject to.
Download our free race car design aids to assist you designing your race vehicle. Cj hutchins, jim beaver, jeff proctor, doug fortin, eric toyota truck roll. How to build a roll cage everything you need to know. The content on this page will provide valuable information for road racing compliance in the scca. Our most common customers drive corvettes, camaros, mustangs, chargers and challengers, and the rpm roll bar works with factory seats, and installs with the. The first part of planning your project is to design the bar or cage you. Jun 11, 2012 this step of the roll cage process often takes the most time, as it isnt easy to custom fit the boxes to the sills for a perfect, strong fit.
Dont get me wrong, he and i both have read the rule books about roll cages, everything from the gcr, the solo rule book, and even stuff for some of the time attack series. This step of the roll cage process often takes the most time, as it isnt easy to custom fit the boxes to the sills for a perfect, strong fit. The car is designed to just be a track toy that i can use at hpdes with scca, nasa, local, etc. Mcbeath, in, competition car downforce, discusses curved diffuser design but doesnt. Mar 25, 2011 when building a race car, one of the most misunderstood parts of the build can be the roll cage. We guarantee that your roll cage will pass inspection from scca, nasa, rally america and icscc and if for any reason it doesnt we will fix it at no cost to you.
In nhra the top hoop has to be a max of 6 from the back of the drivers helmet to the bar. Svra general rules and regulations pdf revised 12018. The roll cage must not unduly impede the entry or exit of the driver and codriver. The address of scca can be found in the front of this rule book. Most of them are abbreviations but a few can be tricky. Feb 21, 2020 roll bar design, materials, and fabrication must be consistent with sound engineering practice, and excellent workmanship. The cam rules do not require a roll bar or roll cage but, if you attend any scca event and you do have a roll bar or cage in your gofast cam car, the roll bar roll cage is subject to be inspected and it is mandatory that the structure is compliant with appendix c pursuant to section 3.
Includes main hoop diagonal, two additional door bars, four door bar uprights. Instructions for everything from brakes and components, engine and transmission mounts, suspension and more. An 8point roll cage is the most basic and therefore probably the best option if this is your first build. I am sure we can design and fabrciate what you are looking for. Jan 26, 2018 there are a number of roll cage designs that exist for use depending on your needs. Why all the angst about rollcage tubing and scca rules.
Design and development of roll cage for an allterrain vehicle. Feb, 2007 im building 2 different roll cages for both my dsms. The basic purpose of the roll bar is to protect the driver in case the vehicle rolls over. The stock roll cage is woefully inadequate in many offroad rollover situations, but can be heavily reinforcedreconstucted to be safe if done right.
Different frame designs and modifications made to that frame all require different attributes to the cages design. At the time that the first logbook is issued to register the car in scca club racing, the tech inspector must verify that the cage materials meet. While all were built for chump car in late 2015 but can run in nasa, scca. Build your own modified autocrosssolo car free guide. How to choose the right roll cage for your car speedhunters. Roll cage instructions 1 installation instructions for morrison roll cages. Indepth books and learning resources we recommend for midlevel autocross car design. Computer bent inhouse to exact measurements, with the highest degree of precision. When building a race car, one of the most misunderstood parts of the build can be the roll cage. This gives the interior more room and it can also help the torsional rigidity of the tub.
Our road race cages are made specifically for both the hobbyist and the serious racer looking to compete in scca, nasa, or formula d events. Designed to quickly and easily transform your street car into a race legal competition car. We can fabricate any type of road race, time attack, auto cross and track day roll cage that you may need from grand american, scca, nasa to conference. A vrg log book may be issued to eligible cars which do not have. Chris alstons chassisworks, inc chassisworks roll bars.
We were told however that he needs to wait to paint it until it is cerified by some means, it never mentions that in the gcr or anywhere, just about an inspection hole. Its no mystery that a roll bar or roll cage serves the monumental purpose of protecting a. All documents are in pdf format, adobe reader is required to view. Roll barroll cage design posted by ludachris, feb, 2007. Weld in design for the ultimate in strength see more product. The scca general competition rules gcr for 1979, or scca vintage gcr. A good tube steel project begins with careful planning. Build your own beginner autocrosssolo car free guide. Advanced autosports has fine tuned this cage design over the last. It uses precision fit, 6 mounting point, sliptube and boltin design. At first glance the scca road racing classes can look like alphabet soup.
If you do not see what you are looking feel free to call or email. Dont sacrifice safety with a bolt in or poorly designed roll cage. The katz book figure 639 if you have it shows that downforce increases with a diffuser. Decoding scca road racing classes kanga motorsports. How to select the right roll cage protection race safety tech.
Appendix b roll cage construction nasa rally sport. Roll bars, competition, volkswagen beetle old style, scca nasa drift roll cage, 158 x. Specific versions are available for drag racing, street use, scca racing and gmachine muscle cars. A roll bar or cage takes more material and more work than it looks like in the results. In comparison to straight tubes, bent tubes have more chances to get buckled. This cage is approved by scca and nasa for open road racing and drifting events for a number of classescheck your rulebook.
Cars and rules is your home to view the current gcr, fastrack, recommended rule changes, race memos and member advisories. This cage is approved by scca and nasa for open road racing and drifting events for a number of classescheck. We offer more for your dollar and have more experience than any other local. Customer is required to trim fit for their application. Jan 12, 2017 a roll cage is required in most forms of racing, often found in off road trucks, and rarely seen in a street car. This cage is approved by scca and nasa for open road racing and drifting events.
A roll cage is required in most forms of racing, often found in off road trucks, and rarely seen in a street car. Indepth books and learning resources we recommend for entrylevel autocross car design. The scca general competition rules gcr for 1979, or scca vintage gcr, is recommended for reference. Design and development of roll cage for an allterrain vehicle khelan chaudhari, amogh joshi, ranjit kunte, kushal nair email. In order to avoid from bending which is more worst then compression and tension, tubes should be arranged to form triangles with the major loads applied at the intersection of tubes. Jan 27, 2017 scca roll cage i spent some time going through the scca rule book for street prepared and street modified today. Chassisworks has 4 tube roll bars and 158 tube roll cages in styles from 4 point to 14 point. Proof of use of alloy steel is the responsibility of the entrant. We break down the rules bar by bar using a chris alstons chassisworks prebent cage on a 65 stan. Seamless, or dom drawn over mandrel mild steel tubing sae 1010, 1020, 1025 or equivalent, or alloy steel tubing sae, 4 shall be used for all roll cage structures. Scca log books dated back to 1972, the first year that the scca issued log books, and then raced into the 90s updated roll cage almost all of the brackets car, plus the lightweight wheels in photos mgb race you are still miffed at the mg car company for dropping those tall.
I need to send my car to the fab shop to be caged for scca t2 and nasa st2. These are the resources and regulations that will help you prepare your car to compete with the svra. References to gcr mean the current updated scca club racing. Side intrusion protection is permitted and highly recommended. However, a cage is more than just a set of random bars located in the interior of the car. Learn the basics about race cars and race car design from our free online knowledge series.
All of our roll cages are scratch built in house to exceed the standards of the rules. Get your ame 2020 catalog art morrison estore art morrison instructions. Race car certification form and the engine certification form. Scca roll cage i spent some time going through the scca rule book for street prepared and street modified today. An 8point roll cage includes a main hoop, a windshield brace across the roof, a back brace, sides, subframe struts, and gussets. Team chase roll cage panels team chase corrs 15 scale rc dirt off road track california southern california california losi hpi losi 5t 5b socal rc track 15 scale the race version will also be equipped with rearseat delete, a 4point roll cage team gt includes. All of our roll bars, roll cages, chassis, and welded clips are shipped by ltl truck. This guide provides a way to decode the various classes often only listed on the schedule by their initials. Roll bar design, materials, and fabrication must be consistent with sound engineering practice, and excellent workmanship. In groups 2, 3, 5, 6 and 8, in a closed car, a window net, attached to the roll cage, with positive locating metal fasteners, should be installed. New cage construction requires that all 7 elements be in place.