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This sheet is a summary of the key points of theofficial pack rules that will be posted on the pack website -
? The cars should be designed and built as much as possible by the Scouts with minimal help and guidance from adults -
? An open class will be available for adults who wish to buy their own standard kit and build their own car and race it -
? Cars must be made from the official BSA Pinewood Derby kit and be newly made for this year’s race -
? Cars made from other kits (e.g. Revell) will be disqualified -
? Plastic and other car bodies may not be placed over the pinewood block -
? All parts from the supplied kit must be used ? The only exception is optional colored BSA wheels which may be used in place of the stock black wheels -
? Aftermarket wheels, axles, body kits, and precut bodies will be disqualified -
? Extreme needle nose designs will be disqualified due to potential issues with the starting pin and infrared sensors -
? No loose materials of any kind are permitted on the car -
? The car must be free-wheeling and gravity propelled with no starting devices or other means of propulsion -
? No magnets of any kind will be allowed on the car Dimensions -
? The overall length shall not exceed 7 inches -
? The overall width (including wheels) shall not exceed 23/4 inches -
? The minimum width between the wheels (so the car will clear the center guide strip) must be 13/4 inches -
? The minimum ground clearance between the car and the track surface must be at least 3/8 inch -
? The wheelbase (distance between front and rear axles) may not be changed from the precut 41/4 inch -
? Cars may be no taller than 6 inches Weight -
? The total weight of the car must not weigh more than 5.00 ounces (using the official pack scale at weigh-in) -
? Weights may be added to the car as long as they do not result in the car exceeding the dimension limitations -
? Mercury, lead, and other hazardous material weights are not allowed Wheels and Axles -
? Only the official BSA wheels and axles from the kit provided to you may be used -
? The wheels may be lightly sanded to remove any mold projections on the tread -
? The wheel bore may be lightly reamed to remove any mold flash -
? Beveling, tapering, thin sanding, wafering, or lathe turning of the wheels is prohibited -
? The burrs and crimp marks on the axle may be polished smooth with a file or emery cloth -
? The wheels and axles may not be grooved in any way -
? Wheel bearings, washers, bushings, and hubcaps are prohibited -
? The wheel bore may not be packed with any substance (it must stay hollow as provided in the kit) -
? The wheel bore may be lubricated with graphite -
? The outer wheel tread surface may not be polished with graphite or any other lubricant -
? The car shall not ride on any type of springs Lubrication |
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