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Pack-116, Pinewood Derby Car Rules
1. The car must be newly built for the current Cub Scouting year. The car should be substantially built by the Scout. Parental supervision in the construction of the car is encouraged.
2. The body of the car must be made from the block of wood provided in an official B.S.A. Pinewood Derby Kit. The wheels must be placed in the slots provided. If a wheel is broken and a new slot is needed, the slot can not exceed 1/4th of an inch from the original position (the original slots are cut at 41/2" ) . Wheels may not be designed to ride upon the guide strip of the track. Loose pieces that fall off during a race are not permitted. If the front of the car is designed to gain an unfair advantage at the start or interferes with a fair start, the car will be disqualified.
3. The axles of the car must be from the official B.S.A. Pinewood Derby Kit or an official Pinewood Derby wheel replacement kit. Axles must be firmly attached to the car. The use of a flexible suspension system of any type is prohibited.
4. The wheels of the car must be from the from the official B.S.A. Pinewood Derby Kit or an official Pinewood Derby wheel replacement kit. Wheels may not be altered in any way. Mold projection defects on wheel treads may be removed by sanding lightly. The wheels may not be sanded to enhance performance. The decorative dots on the wheel treads may not be removed. If wheel sanding is detected the car will be disqualified. The wheels must be attached to the car with the pins provided in the kit. No cars will be accepted where bearings, washers, or spacers are used as part of the wheel assembly. The official wheel width is 0.34".
5. Lubrication - only graphite powder or the new B.S.A. white lube T102/polytetra fluor oethylene may be used to lubricate wheels. (Warning - other lubricants may damage the plastic wheels an keep them from turning freely.) The Pinewood Derby Race Committee will NOT provide graphite powder lubricants. Once the car is impounded, it may NOT be relubricated. Graphite must be applied over a trash can, newspaper or similar protective covering.
6. The total weight of the car may not exceed 5 ounces according to the scale used at the race event. The maximum width of the car, including wheels, may not exceed 2.75 inches. The maximum length of the car may not exceed 7 inches. The motion of the car may not be mechanically aided (motor, springs, rubber bands, other moving parts, etc. are prohibited).
7. All metallic attached objects that contain lead must be covered with paint or fingernail polish to prevent poisoning.