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Guiding Principles – Weston Pack Pinewood Derby

  • Boys should build their own cars! The goal is to maximize each Scout’s involvement in building his car and to minimize the need for specialized tools and techniques

  • To reward creativity as well as speed

  • To reinforce Scouting principles: doing your best; good sportsmanship in winning and losing; fair play; and good preparation and planning

The inspection committee will refer to these Guiding Principles to aid in their decision making

Dates

  • Optional Workshop for Derby Cars: Saturday, Jan 14, 2012 (Date/time to be confirmed)

  • Camp Jewell Weekend: Fri, Jan 20, 2012 through Sun, Jan 22, 2012

  • Pinewood Derby - Check In: Friday, Feb 10, 2012 5:00p to 8:00p

  • Pinewood Derby Raceday: Saturday, Feb 11, 2012 8:00a to 2:00p (Details to follow)

  • Blue & Gold Banquet: Sunday, Mar 4, 2012 12:00p to 3:00p

Pack 75 Supplemental Regulations

  1. Cars must have been constructed after last year’s Pinewood Derby

     

  2. All entrants must use the official BSA Grand Prix Pinewood Derby Kit. One kit is distributed to each registered Scout by the Pack. Parents or siblings entering in the Open Division may purchase an official BSA kit from the Pack or from BSA. If there is a problem with the Pack issued BSA kit, or if it is incomplete, contact the Pack’s Pinewood Derby event manager ( for replacement parts which will be from the Pack’s inventory of BSA Grand Prix Pinewood Derby Kits. Do not acquire “parts” on the “market.”
     

  3. Separately-purchased, pre-cut bodies or kits, pre-prepared wheels and pre-prepared axles are strictly prohibited. Nail axles, wheels, and body wood must be from the supplied BSA kit. Replacement axles, wheels or body wood must be obtained through the Pack’s Pinewood Derby event manager ( ).
     

  4. Solid or straight-through axles are prohibited. The supplied BSA nail axles may be filed, sanded and polished to remove burrs and imperfections, but must retain their basic shape and dimensions. Nail axles must not be notched, grooved, cupped or otherwise cut to alter their basic shape. Nail axels must be visible on the bottom of the car. Glue is allowed.
     

  5. The supplied BSA wheels may be sanded and polished to smooth and remove any mold imperfections, but must retain their basic shape and dimensions. The outside sidewall and ridge detail must remain clearly visible and intact. The wheel axle hubs must not be coned, tapered, hollowed or cut to alter their basic shape. The inside edge of the wheel and inside surface of the wheel hub may be sanded and polished, but material must not be removed from the inside of the wheel, and the inside wheel detail must be clearly visible and intact. The wheel tread must not be cupped, rounded, hollowed or otherwise shaped to alter flat contact with the track surface.
     

  6. Wheel add-ons such as hub caps and rim covers are prohibited. Paint must be non-toxic, non-metallic, non-magnetic. Paint should be “safe” for children to apply, e.g., acrylic, krylon etc.

     

BSA Race Car Specifications

 

Width. The overall width of the car shall not exceed 2 ¾ inches.

Length. The overall length of the car shall not exceed 7 inches.

Height. The overall height of the car shall not exceed 3 inches (to ensure the car passes easily under most finish line timers).

Wheel Separation. The width between the wheels shall not be less than 1 ¾ inches (to ensure the car clears the center track guide).

Clearance. The clearance between car bottom and the track surface shall not be less than 3/8 inches (to ensure the car clears the center track guide).

Weight. The total weight of the car shall not exceed 5.000 ounces. No loose materials of any kind are permitted in the car. The car may be hollowed out and built up to the maximum permitted weight by the addition of wood and metal only, provided any additional material is securely built into the body.

Wheels. Wheel bearings, washers and bushings are prohibited.

Springing. The car shall not ride on any type of springs.

Details. Details such as the steering wheel, driver, decals, painting and interior detail are permissible as long as these details do not exceed the maximum permitted width, length, height, and weight specifications above.

Attachments. The car must be freewheeling, with no starting devices.

Lubricants. Only dry graphite lubricant shall be permitted.

Axels. Only official Cub Scout Grand Prix Pinewood Derby wheels and axles shall be permitted.

Inspection. Each car must pass inspection by the official inspection committee before it will be allowed to compete. The inspectors have the right to disqualify those cars that do not meet these specifications. 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, or between registration and race day) to make the adjustment. Cars must not be modified in any way after they have passed inspection (remember to put your finishing touches and dry graphite lubricant on before final inspection). Registrants will not have any access to their cars after passing inspection. After final approval, cars will not be re-inspected unless the car is damaged in handling or in a race. All damage repairs will be supervised by a race steward.