Cub Scout Pack 18 PINEWOOD DERBY Rules General Rules: G-1 Essential materials: All cars entered shall be constructed from the Official Grand Prix Pinewood Derby Kit. G-2 Attendance: Only the Cub Scout may enter his car. G-4 “New Work”: Construction of entries must not have begun prior to December 1st of each year. G-5 Single Award per boy: No boy may win more than one trophy. If a scout wins the racing event, he will not win a trophy in the design events Event: Best Race Car Design Event: Most Unusual Design Event: Fastest Car Qualification: Only one car per Cub Scout Divisions: Tiger, Wolf, Bear and Webelos Technical Rules: T-1 Material: Race cars shall be constructed for the racing event from the parts contained in the Official Grand Prix Pinewood Derby Kit. Materials from the kit may be supplemented but not replaced. T-2 Weight: Race cars may weigh no more than five (5) ounces (total weight) as determined on the official scales during race day inspection. T-3 Wheels and Axles: The car shall roll on the wheels from the kit. The wheels shall turn about the axle nails from the kit. The axle nails shall be firmly affixed to the wood of the car body. The axle dimensions may not be changed substantially. The outside surface of the axle head (non contact surface) may not be changed substantially, such as, by polishing. It must be obvious to the judges that the wheels and the nails from the kit are being used. T-4 Size: Race cars may be no longer than 7 inches, nor wider than 2 ¾ inches, nor taller than 3 inches, as determined by the official gages during race day inspection. (Underside clearance of at least 3/8 inches and inside wheel to wheel clearance of at least 1 ¾ inches is recommended, so that the car will run on the racetrack. Adequate clearance is the responsibility of the race car builder) T-5 Weights and attachment: Weight may be added to the car and will be considered part of the car for purposes of all measurements. “Weight” is considered to be any material on the car that is not provided in the kit. All weight must be securely fastened to the car, e.g. by permanent glue, nails or screws, but not by “sticky substances”, e.g. tape, or tack spray. Weights shall be passive, i.e. non-moveable, non-magnetic, non-electric, non-sticky, etc. T-6 Wheels: Wheel treatment (hub and tread smoothing and polishing) may not result in substantial removal of mass nor in reducing the tread (track contact) width from the original kit wheels. Wheel tread surface must be cylindrical. The words “official BSA made in the USA” and other lettering on the wheels shall remain intact and clearly visible to the inspector. Some of the original “tread marks” on the wheel face must be intact, i.e. apparent to the inspector. T-7 Unacceptable Construction: The following may NOT be used in conjunction with the wheels or axles: hubcaps, washers, inserts, sleeves, bearings. T-8 Gravity powered: The race car may no be constructed or treated in such a way that the track’s starting mechanism imparts momentum to the car. (For instance, this provision disqualifies cars with sticky substances on the front of the car and protrusions which may catch on the starting pin.) T-9 Lubricants: Lubricants must be dry at the time of inspection and racing. T-10 Staging: The entire car must stage behind the starting pin. T-11 Body: The car body may have no moving parts. Conduct of the Races: “Do Your Best” is our motto. Have Fun and Encourage Your Son to have Fun, Too! |