New for 2018 – Colored plastic wheels are allowed if you buy them. Please do not paint them. It will ruin the track. If you put weight on the bottom of your car, please make sure it meets specs. Anything low will drag on the track.
Pack 45 2018 Pinewood Derby Car Construction Rules
●Cars are to be constructed by the scout with guidance and supervision from the
parent. Have fun!
●Cars must be constructed using an Official Boy Scouts of America Pinewood
●The car must have been constructed during the current year. Cars that have
competed in a previous derby are not permitted.
●The car weight shall not exceed 5.0 ounces. The official race scale shall be
●The overall length of the car shall not exceed 7 inches.
●The overall width of the car shall not exceed 2 ¾ inches.
●The car must have 1 ¾” clearance between the wheels.
●The car must have 3/8” clearance underneath the body. Additional
decoration or weights added to the bottom of the car may hit the track. It is
best to recess any weights installed to the underside of the car.
●The height of the car shall not exceed 3 inches.
●The distance between the front and rear axle must not be altered from the
original kit. This distance is roughly 4 3/8 inches.
●The wood provided in the kit must be used. The block may be shaped any way
that is desired.
●The wheels supplied in the kit must be used as is. No alterations are allowed
to the wheels. Sanding, decorating, painting, coloring, polishing,
beveling, tapering, thinning, wafering, lathe turning or other alteration to
the wheels is not allowed.
●The axles supplied with the kit must be used. They may be polished or
●Only dry lubricants such as graphite or powdered teflon ”white lube” will
be allowed for lubricating the wheels. Lubricants may not foul the track.
●The car must not ride on any type of springs.
●The car must be freewheeling, with no starting devices.
●Wheel bearings, washers or bushings are prohibited. No washers allowed
between the car and the wheel.
●No loose material of any kind, such as lead shot, may be used.
●Details such as the steering wheel, driver, decals, painting, and interior detail are
permissible as long as these details do not exceed the maximum length, width,
and weight specifications, nor can they provide an unfair advantage to the car.
●Each car must pass inspection by the Inspection Committee before it will
be allowed to compete. The Inspection Committee has the right and
responsibility to disqualify those cars that do not meet these
Please note: If a car has wheels that have been altered, it will be disqualified.