1. KubKar/18 Wheeler Rally Rules:

  • These rules apply to both KubKar, Pickup Truck and 18 Wheeler Rallys.
  • All vehicles must be raced by a person wearing the nationally approved uniform.
  • Cub built Pickup Trucks will be treated the same as, and will race with, KubKars.
  • The entry must have been made this current scouting year.
  • Each entry should have competed at the Pack/Troop level before entering this Rally.
  • Once a vehicle has been through weight inspection and passed, it will go to the holding area and must not be touched.
  • No test runs before the event.
  • Only a vehicle's driver and members of the race committee will be able to handle the cars and trucks during racing.
  • Cars and trucks must remain on their numbered position on the Car and Truck Park Table when not on the track for a race except for repairs at the Pit Stop and when withdrawn from competition.
  • When the car or truck is in the Pit Stop, its "parking space" must be covered with an "At the Pit" Notice.
  • If a registered car or truck is withdrawn from the competition, the Official Scorer must be notified immediately and its "parking space" must be covered with a "Gone Home" notice.
  • Only Race Control Crew and a races' drivers will be permitted inside of the roped-off race track area and the Car/Truck parking area.
  • If a car has problems running more than once that the Official Pit Crew cannot resolve, it will be disqualified. Interfered-with cars will receive no penalties and heats will be rerun.
  • The Official Scorer has the final decision-making authority in all race disputes.

2. Restrictions:

  • No loose materials, no taping weight down to car.
  • No movable weights or liquids are allowed.
  • Only dry lubricant may be used, such as dry graphite or teflon. It must be applied before weigh-in.
  • Care must be taken to assure that no lubricant will soil the track or interfere with subsequent races on the track.
  • Wheels and axles may not be modified in any way. (Other than removing burrs and molding seams and rough spots.
  • Wheel bearings, washers and bushings are prohibited.
  • No spring suspensions allowed.
  • Details and attachments may be added providing they are securely fastened and do not exceed the maximum length, width, height and weight specifications.
  • KubKars and trucks must be free-wheeling and may only be propelled by the force of gravity.
  • KubKars and trucks are subject to inspection by an official inspection committee to determine eligibility.
  • Official Pit Crews may make small adjustments to the weight of overweight entries as part of the registration process.

3. KubKar and Truck Construction Specifications:

KubKars, pickup trucks and 18 wheelers must conform to the following construction specifications:


KubKar/Pickup Truck

18 Wheeler Truck & Trailer

Maximum Weight

142 grams
5 ounces

700 grams
25½ ounces




Maximum Length

17.8 cm
7 inches

44.5 cm
17½ inches




Overall Height

7.5 cm
3 inches

11.5 cm
4½ inches




Maximum Outside Width

7.0 cm
2¾ inches

9.5 cm
3¾ inches




Minimum Width Between Inside of Wheels

4.5 cm
1¾ inches

4.5 cm
1¾ inches




Minimum Clearance Between the Chassis & the Track

0.95 cm
3/8 inches

0.95 cm
3/8 inches




Wheels and Axles

Scouts Canada
or BSA Pinewood Derby
Kit Issue

Scouts Canada
or BSA Pinewood Derby
Kit Issue

The official specifications are metric. Imperial measurement is for reference only.
Axles and wheels may only be lubricated with a dry lubricant such as dry graphite or Teflon. Silicone spray, WD-40 or oil not be used as it may soften the plastic wheels.

KubKar Rally
http://my.tbaytel.net/scouts/kubkar/rulesptr.htm
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