One way to get through difficult times is to look forward to something great in the future, which is why the sports car club of america scca. Moreover, each bend and cut must be precisely correct even a small gap is difficult to weld over and shows in the final product. Roll cages can change vehicle handling dynamics and an improperly designed cage can actually do more harm than good in the event of an impact. A nonoem hardtop of a type substantially similar to the shape, design. Roll cage or chassis design shall prevent engine intrusion into the driver compartment. Basic 914 roll cage kit tangerine racing roll cages. Mar 25, 2011 when building a race car, one of the most misunderstood parts of the build can be the roll cage. The basic purpose of the roll bar is to protect the driver in case the vehicle.
I suspect but i am not sure that the factory caterham roll cage has fia approval. Roll cages these general specifications are for all automobiles. You can differentiate the srf3 from srf by the orange roll bar tape, srf3 decal on the. These should help whether you are building your own cage, or shopping for a fabricator to help you out. To start off the build of project land speed racer 240sx, we needed to prepare the chassis for the roll cage construction. 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. We break down the rules bar by bar using a chris alstons chassisworks prebent cage on a. Cars and rules is your home to view the current gcr, fastrack, recommended rule changes, race memos and member advisories. Why should i buy my hard dog roll bar from track dog racing.
Book depository books with free delivery worldwide. The doors and hinges are lightened to the extent allowed. Ian purchased this race car out of the pacific north west and upon delivery was quite shocked by the lack of quality of the roll cage. Scca fabtek mgb e or f prod, weighs 1,550 without driver. The radius of all bends in the roll cage measured at centerline of tubing must not be less than three times the diameter of the tubing. This cage is approved by scca and nasa for open road racing and drifting events for a. 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. Cage fabrication is much more involved than just bending some tubing and doing a little bit of welding. Minimum material cold drawn seamless unalloyed carbon steel, containing a maximum of 0.
Fuel breath ers may not vent into the roll cage but oil breathers apparently can. How to select the right roll cage protection race safety tech. According to appendix c on page 215 the hard dog m1 and m2 versions of the hard core, hard core hardtop, sport and the ace all meet the requirements when equipped with at least one. With this constraint our cage will not look like the cage shown in the rule book. Rallycross cars and rules sports car club of america. We encourage everyone to have a log book for their race car in order to preserve the history of the vehicles on track participation, however it is not required to present a log book for participation in a svra event. Appendix c roll bars appendix c solo roll bar standards. The address of scca can be found in the front of this rule book. Download our app, stay up to date and earn free stuff.
The scca rulebook, like the operations book of the transcontinental railroads. Ian sawed out the original cage and brought the car to us for a proper nasa scca legal cage that will provide a much higher level of protection and chassis stiffness. The aims and compromises of a robust rollcage turnology. Roll cage side bars, nasascca factory five racing forum. Entrylevel track days, autocross and time trial events remove the racing. Cage fabrication, by rrt road race technologies, inc. We can offer advice on which roll bar to chose and why.
If you do not see what you are looking feel free to call or email. Jan 26, 2018 how to build a roll cage everything you need to know january 26, 2018 january 7, 2020 the mechanic doctor diy, how to, performance, racing, welding a roll cage is a metal framework that can be built around the inside of a vehicle. Ian sawed out the original cage and brought the car to us for a proper nasasccalegal cage that will provide a much higher level of protection and chassis stiffness. Roll cages may be of two designs, low front hoop or high front hoop. Yes, as you build the roll cage, you are always thinking whether or not you can get. The design emphasis was to achieve minimum polar moment turning response and a very low cg weight transfer. Took tubing and pattern to a fellow with a bender and. Customer is required to trim fit for their application. Rrt always takes the time to ensure proper stress loads and bar intersections. Most of our boltin roll bars and cages meet the scca, nasa and imsa rules. Aug 25, 2016 our team is trying to layout out our roll cage for our car and need some advice. In my instance the placement and attachment of the roll structure affects the routing of.
The basic racing rollcage incorporates six or eight points a point. This is probably the most therapeutic part of building a racecar, especially if you dont care about how the interior comes out. Rhodes race cars 4455dom rhodes race cars scca, nasa, and drift roll cages compare roll bars, competition, volkswagen beetle old style, scca nasa drift roll cage, 158 x. How to build a roll cage everything you need to know. 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. We will be there to answer your questions especially if you get stumped installing the roll bar yourself. I will also add, that was the design implementation for the old corvette chsllenge series in 8889.
In my instance the placement and attachment of the roll structure affects the routing of the fuel lines and wiring. The basic purpose of the roll bar is to protect the driver in case the vehicle rolls over. Legality will depend not only on the design of the roll bar or cage, but also on the type of tubing used. Since it is difficult to standardize all aspects of car preparation the following guidelines have. The scta rule book states that the roll cage structure must protect the driver from all sides.
This cage is approved by scca and nasa for open road racing and drifting events. All of our roll cages are scratch built in house to exceed the standards of the rules. Interior trim may be modified to the extent necessary to facilitate proper roll cage installation. I am sure we can design and fabrciate what you are looking for. In fact, when the plan is to cover the quartermile in under 8. We can custom tailor a complete roll cage kit for your application. I am surprised i havent seen more how tos or walk throughs on how to build a roll cage, perhaps because of the extreme amount of attention to detail required to build one, especially one the passes all the safety requirements to be nasa and scca compliant. The content on this page will provide valuable information for road racing compliance in the scca. How to select the right roll cage protection dsport magazine. Designed to quickly and easily transform your street car into a race legal competition car. The 2020 scca rallycross rules are available online by the scca to our members. Yes, as you build the roll cage, you are always thinking whether or not you can get to a joint to weld. To request a new car classification, adjustment or clarification on a rule, click on the link below to submit a letter.
We are building an early c4 corvette and want to make sure our cage is legal. At first glance the scca road racing classes can look like alphabet soup. Sep 12, 2008 chassis and roll cage design, tube bending. Different frame designs and modifications made to that frame all require different attributes to the cages design. Below are the regulations set by the msa for material choice and sizes of tubes eligible for roll cage and safety cell construction. The basic purpose of the roll cage is to protect the driver if the car. Mazda miata, a v design, also known as a double diagonal used between. A good tube steel project begins with careful planning. If the cage has been put into a different car, or a new cage installed in a car, then a new logbook must be issued. Whether you are looking to buy, sell, or trade a race car, no doubt we can put you in touch with the right buyers, sellers, or collectors. Discussion in the hokey ass message board started by baileigh inc.
Our team is trying to layout out our roll cage for our car and need some advice. Oct 16, 2019 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. May 17, 2018 with that in mind, we thought wed share some tips on building a better roll cage. Scca national solo rules autocross club of central oregon. Full safety rules scca time trials sports car club of america. The requirement of additional safety hardware at given speeds may sound like a sensible move, but the rules get much more complicated than that once a roll cage becomes necessary. Installation on cars of space frame and frameless design. Being able to fit a large seat through the opening is a concern in cage design. We encourage everyone to have a log book for their race car in order to preserve the history. There are many illustrations in the scca book on cages, door bars, etc. Ffr and others have used an x design at the opening. Project 240 lsrs cage design is closer to that of an overbuilt road race cage instead of the typical drag race or land speed cage. Its no mystery that a roll bar or roll cage serves the monumental purpose of protecting a. Roll cages are used in nearly all purposebuilt race cars, and in most cars modified for racing.
He also has a lot of ideas for making the scca relevant to young drivers. It uses precision fit, 6 mounting point, sliptube and boltin design. A roll cage is required in most forms of racing, often found in off road trucks, and rarely seen in a street car. No portion of the roll cage may have an aerodynamic effect by creating a vertical force. I believe the caterham classified in e production came with an oem roll cage. To find out their rules on roll bars we checked out their 2017 scca national solo rules book. 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. We break down the rules bar by bar using a chris alstons chassisworks prebent cage on a 65 stan. With an ever changing rule book, some cars might move between the classes from year to year so check the latest scca general competition rules for the most current information.
Wrl is a grassroots road racing club created on the premise that road racing should be simple, safe, fun and affordable. It is recommended that seats, restraint systems, roll bars and helmets meet the. Do i have to finish the car and show up to a scca school ready to run only to be told by tech that the cage has some major or minor design or manufacturing flaw and theres no way theyre letting me on the track. To that end, the technical staff of club racing may or may not accept alternate construction standards from any source that significantly vary from scca standards of protection. The roll cage must not unduly impede the entry or exit of the driver and codriver.
Feb 14, 2015 a good tube steel project begins with careful planning. 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. When building a race car, one of the most misunderstood parts of the build can be the roll cage. Please click on the above links to see other works. Svra roll bar and roll cage design recommendations revised 220 pdf svra race groups. Unlike a lot of the cars used for chump the c4 has a perimeter frame that actually kicks up just behind the driver shown in the attached.
Behind the scenes of sccas struggle to endure hagerty media. Technical requirements for race cars vscda vintage racing involves historic and vintage competition vehicles from many different forms of road racing worldwide and almost the entire century of the sport. The low front hoop roll cage is fully integrated into the tub for optimum stiffness. Decoding scca road racing classes kanga motorsports. Roll barroll cage design posted by ludachris, feb, 2007. Roll cage chassis bar steel weld gusset plates wholes, 30 piece. Degreasing, cleaning scale off, deburring, and possibly chamfering edges depending on the specific joint are all standard means of approaching any weld, but when working in such tight confinement, a little foresight is necessary.
First, in the scca general competition rules gcr the roll cage tubing size is determined by the car weight and class. When inspecting the actual vehicle at any time, always check the logbook number against the roll bar and the rest of the vehicle. With that in mind, we thought wed share some tips on building a better roll cage. The first part of planning your project is to design the bar or cage you. Photo courtesy of the sports car club of america scca hproduction hp. Includes main hoop diagonal, two additional door bars, four door bar uprights. The spirit and progression of scca, nasa, and fiaspec cages. Desert buggys formed rollbars import race cages classic cars street cars offroad 4x4s fj40 cage brush guards roll bars bumpers pace cars. Roll cages may be of two 2 designs, low front hoop top of steering wheel or high. The live axle rear suspension is a satchel link design with coil over qa1 tunable shocks plus an adjustable sway bar. A roll bar or cage takes more material and more work than it looks like in the results. Appendix b roll cage construction nasa rally sport. New cage construction requires that all 7 elements be in place.
Previously logbooked cars with a rally america log book are subject to. I am not certain whether scca technical services would approve a roll cage built locally to an fia design but i suspect that it would be a lengthy process, if possible. How do you guys design your chassis and roll cages. As a bonus, you get a cool track dog racing roll bar decal when you order from us. Many racing series hold their own requirements for cage designs, but its not hard. Sep 19, 2017 ahead of the scca national runoffs here is a quick guide for understanding the various classes. I am an scca tech inspector that has seen some very bad welds. Many road race sanctioning bodies follow the scca rules or they are not as strict. It is recommended that all joints of the roll cage be welded. If the bar still has a number stamped in it, that number must be obliterated and the new number stamped.
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