Welcome to Pack 494

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Cub Scout Pack 494, Dunwoody, Georgia

Pine Wood Derby Rules...

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.

The body of the car must be made from the block of wood provided in an official B.S.A. PD Kit (Cat. No. P1622). 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.

The axles of the car must be from the official B.S.A. PD Kit (Cat. No. P1622) or an official PD wheel replacement kit (Cat. No. P1622A). Axles must be firmly attached to the car. The use of a flexible suspension system of any type is prohibited.

The wheels of the car must be from the from the official B.S.A. PD Kit (Cat. No. P1622) or an official PD wheel replacement kit (Cat. No. P1622A). 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 in the PD where bearings, washers, or spacers are used as part of the wheel assembly. The official wheel width is 0.34".

Lubrication - only graphite powder or the new B.S.A. white lube T102/polytetrafluoroethylene may be used to lubricate wheels. (Warning - other lubricants may damage the plastic wheels and keep them from turning freely.) The PD will NOT provide graphite powder lubricants. Once the car is impounded, it may NOT be re-lubricated except when the wheel is damaged or becomes dislodged during a race. Graphite must be applied over a trash can or outside of the School.

The total weight of the car may not exceed 5 ounces. 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 width between wheels should be at least 1.75 inches and the bottom clearance between the car and the track should be at least 3/8 of an inch. The bottom of the track contains sensors that protrude above the track that will be damaged by any car that rides too low. The motion of the car may not be mechanically aided (motor, springs, rubber bands, etc. are prohibited).