Lets Go Racing , Here our your Rules for building your Soap box Derby Car. All Cars must meet the Construction and Safety Guidelines as described herein. Participants must be available and ready on race day at the starting location at 6:00pm and remain available to race at any time until all of his/her races are finished. Participants who are not available when required to race may be eliminated from further competition Cars may be inspected prior to each race to ensure they are deemed safe for racing. Ruling by the inspectors shall not be challenged. Cars rejected by the inspector must be removed immediately from the starting location. When racing, drivers must wear shoes and a helmet with chin strap. The race judges’ decisions are final and shall not be contested. By virtue of their registration, participants, or the parents or guardians of participant who are minors, have agreed to render harmless the Organizers and Sponsors of the Michigan On-line Auctions Soap Box Derby and volunteers assisting with this Event along with The City of Coopersville or the Coopersville Rotary of any consequences arising from participation in the derby. Soapbox Cars The design of the cars is up to the builders. Builders should keep in mind that they should be built with the intended driver in mind. Trophies will be awarded to the winners. BE CREATIVE .... Soap box cars will also be judged and awarded trophies in the following categories ± Engineering ± Most original paint design ± Overall best soap box car ± Safest Home-Built Soapbox Car Specifications 1. Soapbox cars are powered by gravity only - NO ENGINES OR MOTORS 2. The driver must sit in the car, facing forward and control the car using only hands and feet. 3. VERY IMPORTANT. The car must fit the driver. Drivers must be able to get in and out of the car easily and operate steering and braking in the normal seated position without stretching or straining. 4. The centre of gravity, with the driver in place, should be as low as possible without violating the minimum road clearance (2.5”) specification (including brake) 5. Cars must have four wheels. Minimum diameter is six inches. Wheels from manufacturers may not be modified but must be used “as is”. Wheels may not be made of wood. 6. Measures must be taken to prevent wheels from departing the cart when in use. Use cotter pins or other positive means to keep the wheels in place. 7. Fasteners used in the steering and brake systems must be prevented from loosening when in use by the use of lock nuts, cotter pins, wire tying or other means. 8. Maximum overall cart length, 72” 9. Maximum wheel base (distance between front and rear axles), 56” 10. Maximum car body width, 40” 11. Maximum axle length, 44” 12. Road clearance to any part of the car, including fasteners, must be 2.5” minimum. 13. Minimize front and rear overhang to prevent getting hung up on the starting ramps. 14. All basic structure parts must be securely fastened to each other using bolts, screws or other suitable hardware. Plywood and solid wood are permitted structural materials. Particle or strand type board is not permitted for any structural part. The basic structure is defined as the chassis on which the driver sits and to which the axles, steering and brake mechanisms, and body shell are attached. The car body or shell may part of the basic structure. It must be made of rigid impact resistant material. 15. Back and forth movement of either front wheel shall be limited to one inch. Stops must be installed to prevent over-steering. Steering movement must be smooth. 16. The cars must have a breaking system capable of slowing the car to a smooth, short and safe straight line stop without damaging the road surface. If using drag clutches, the part touching the road must be made of wood or rubber. 17. Cable links used in steering and brake systems must be secured and not slip under stress. 18. Adjusting hardware such as turnbuckles must be lock-wired in the final adjusting position. 19. The drivers lower torso, legs and feet should be within the body shell. The drivers should not be able to contact the road surface or the wheels when seated in the normal operating position in the car. 20. There shall be no exposed sharp edges or points. Exposed edges that may be contacted by the driver shall be smooth. Protective cushioning material may also be fitted. 21. Cars MUST have hooks on the front and back strong enough to pull the cars back up the hill. * Additional Important Guidelines * 22. Build a stiff non-flexing basic structure. 23. Try to keep cars light, but tough and strong. DO NOT ADD ADDITIONAL WEIGHT. 24. It is recommended to incorporate hand-holds for ease of handling. 25. It is vitally important that the car can be driven repeatedly without steering and brakes adjustment. 26. Test the steering and brake mechanisms for strength, repeatable and smooth operation. 27. Test the whole cart on a sloping surface. Make certain, through testing, that the intended drivers can safely operate the car. PLEASE, DO NOT SHOW UP AT THE DERBY WITH AN UNTESTED SOAPBOX CAR OR DRIVER. This specifications sheet may seem daunting, but it isn’t. Help is available for any questions you may encounter while building your car. Contact us at duaneandamyyoung@yahoo Most important ... Have FUN building your Soap Box Car and have FUN spending quality time with your friends and family Best of luck!!
Posted on: Wed, 25 Jun 2014 00:46:55 +0000
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