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Pinewood Derby Rules

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Official 2015 Pack 9 Pinewood Derby Rules

Tiger, Cub, Webelos, and Sibling Divisions

Dimensions

  • The overall length of the car shall not exceed 7 inches.
  • The overall width of the car shall not exceed 2 ¾ inches.
  • The overall height of the car shall not exceed 6 inches.
  • The car must have 1¾ inches clearance between the wheels.
  • The car must have 3/8 inch clearance underneath the body so it does not rub on the track.
  • The entire car must stage behind the track starting pin, centered at the front of the car.

Weight

  • The car weight shall not exceed 5.0 ounces.
  • The official race scale that is used at car check-in shall be considered final.

Wood, Wheels and Axles

  • The official pine wood block must be used. The block may be shaped in any way that is desired.
  • Official BSA wheels must be used. The wheels may not be cut, drilled, bevelled or rounded. You may remove the seams and imperfections from the wheels.
  • Official BSA axles must be used. The axles may be altered and polished. Powdered graphite and powered Teflon may be used for lubrication. No liquid lubricants allowed.
  • Details such as the steering wheel, fins, driver, decals, painting, and interior detail are permissible as long as these details do not exceed the maximum length, width, and weight specifications and are securely fastened to the car.


Prohibited Modifications

  • Wheel bearings, washers, bushings, inserts, and hubcaps are prohibited

  • The car must not ride on any type of springs
  • No starting devices or powered propulsion of any kind. The car must be free wheeling.
  •  No loose material of any kind, such as lead shot, may be used. All parts must be securely fastened to the car.


Other Rules

  • Each car must pass inspection by the official Inspection Committee before it will be allowed to compete.

  • Cars that fail to pass inspection will not be registered.
  • If, at registration, a car does not pass inspection, the owner will be informed of the reason for failure, and will be given time within the official weigh-in time period to make the adjustment. After final approval, cars will not be re-inspected unless the car is damaged in handling or in a race.
  • Once a car passes inspection and is entered into the race, only race committee members can touch it.
  • If the car loses a wheel, or is otherwise damaged, the racer shall have 5 minutes to make a repair
  • If a car leaves its lane, at his sole discretion, the track chairman may inspect the track and, if a track fault is found which probably caused the initial violation, the track chairman may order the race to be rerun after the track is repaired.
  • If, during a race, no car reaches the finish line on the track, the car which went the farthest in its lane shall be declared as the heat winner.
  • Only one car may be registered by each Scout.
  • 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.
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Official 2015 Pack 9 Pinewood Derby Rules

Adult Unlimited Division

Dimensions

  • 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 1¾” clearance between the wheels.
  • The car must have 3/8” clearance underneath the body so it does not rub on the track.
  • The entire car must stage behind the track starting pin, centered at the front of the car.


Weight

  • The car weight shall not exceed 5.0 pounds.

Wood, Wheels and Axles

  • Wood from the official pine wood block must be used somewhere on the car. This wood must be visible without a magnifying glass.

  • Official BSA wheels and axles must be used as such on the car. Any modifications thereto are up to you, provided they do not damage or foul the track.
  • Powdered graphite and powered Teflon may be used for lubrication. No liquid lubricants allowed.

Prohibited Modifications

  • For the safety of the audience and officials, the following are prohibited: remote controls, compressed gasses, combustion of any kind, explosive or otherwise, batteries over 24 volts total output, magnetic fields with flux density greater than 5 tesla, radioactive substances, lasers, particle beams, antimatter, and space warping devices. Alien technology not otherwise prohibited may be used, but the car owner accepts full responsibility for the consequences.

  • Any device that directly or indirectly damages the track or other cars is prohibited.
  • No loose material of any kind. All parts must be securely fastened to the car.


Other Rules

  • Each car must pass inspection by the official Inspection Committee before it will be allowed to compete.

  • Cars that fail to pass inspection will not be registered.
  • If, at registration, a car does not pass inspection, the owner will be informed of the reason for failure, and will be given time within the official weigh-in time period to make the adjustment. After final approval, cars will not be re-inspected unless the car is damaged in handling or in a race.
  • Once a car passes inspection and is entered into the race, only race committee members can touch it.
  • If the car loses a wheel, or is otherwise damaged, the racer shall have 5 minutes to make a repair
  • If a car leaves its lane, at his sole discretion, the track chairman may inspect the track and, if a track fault is found which probably caused the initial violation, the track chairman may order the race to be rerun after the track is repaired.
  • If, during a race, no car reaches the finish line on the track, the car which went the farthest in its lane shall be declared as the heat winner.
  • Only one car may be registered by each individual.
[download as pdf]