2. Each car should be built new this scouting season, from new materials. Please do not recycle last year's car, wheels, etc.

3. Maximum width including tires and axles must not exceed 2 3/4".

4. Minimum width of the body at the axles should be 1 3/4".

5. Maximum length must not exceed 7".

6. Most Pinewood Derby Tracks have a 1/4" high guide rail. Bottom clearance must be a minimum 3/8", to avoid dragging on this rail. Low hanging weights will often drag on the track.

7. Maximum overall height of the car may not exceed 4".

8. The wheelbase (distance between the axles) must not exceed the distance between the precut axle slots on the standard pinewood block, i.e. 4 3/8".

9. The car may not exceed 5 ounces as determined by the scale at the race.

10. Axles and wheels must be official BSA equipment. The body must be designed from pinewood. No preformed bodies.

11. The wheels may be lightly sanded or polished to remove bumps and blemishes.

They must not be ground down, grooved, hollowed out, carved, cut, shaved or otherwise redesigned. Original ridges must still be visible.

12. The wheels should be lubricated with graphite or powdered silicone. Oil and other liquid lubricants are prohibited.

13. Wheel bearings, washers, and bushings are prohibited.

14. The car must not ride on any kind of springs or suspension system, other than a suspension system that is actually carved from the pinewood block.

15. Loose materials are not allowed on the cars during the race.

16. No liquid weights are allowed. 

 

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