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Pinewood Derby

June 18, 2022

2022 details

The 2022 Montana Council Pinewood Derby will be held in Great Falls during the Montana International Scout Expo on June 18, 2022, starting around noon. We will feature two race classes – Cub Scout Class and Master Class. They must follow the Montana Council Pinewood Derby rules.

Dates + Location


State Pinewood Derby at the
Montana Council International Scout Expo
June 18, 2022
Great Falls, MT

Sportsmanship overview

The spirit of the derby is that it is a son/parent project where we have FUN, explore the physics of car building and learn sportsmanship from each other.

This year we will have a Cub Scout Class for youth and an Open/Master Class open to all ages.

Dimensional Requirements Summary

The car weight shall not exceed 5.0 ounces. The official race scale shall be considered final.

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.

2022 MT International Scout Expo & PInewood Derby

 Cub Scout Class: 

Open to all registered Cub Scouts, Lion through Arrow of Light. The cars must comply with the Montana Council Pinewood Derby rules for Cub Scout Class. This class is for speed. Trophies will be awarded for 1st-3rd place for each category; Lions/Tigers, Wolves, Bears, Webelo’s/Arrow of Light. 

Open/Master Class: 

Open to all cars that comply with the Montana Council Pinewood Derby rules for Open/Master Class. This class is for speed. Open to all ages. Trophies will be awarded for 1st-3rd place. 

All cars must be labeled with the owner’s name and Unit number. Owner is responsible for postage and shipping costs of vehicles if not brought in person. 

Weight: 

The overall weight of the car shall not exceed 5.00 ounces. No loose or liquid material of any kind will be permitted in or on the car, i.e. mercury or other forms of liquid weight. Weights held by any form of tapes are not acceptable. Each entrant is encouraged to build their derby car as near the maximum weight as possible. The official weight is determined by the scale at the council race. The official scale for weigh in will be available at the scout office in Great Falls. 

No lubrication or modifications will be allowed on race day. If a car is found to not adhere to the Official Montana Council Pinewood Derby rules, the representative on the registration form will be contacted immediately and have the option of running the car in the open class (if the rules are met). 

The Pinewood Derby uses a timer system having each car run down the track in each lane once. Speeds are measured for each car each time it runs a heat and the computer system determines the results of the speeds. 

Deadlines:

Cars must be received and registered either at the Scout Office no later than 5 p.m. on Wednesday, June 15, 2022 or in person by 12:00 p.m. on June 17, 2022 at the Montana International Scout Expo at the Montana State ExpoPark in Great Falls. Please make sure copies of entry forms are with the cars.

In the interest of avoiding delays on race day, NO late entries will be allowed to race!!!

Please pick up your cars following the race if in person. It is recommended that youth have a parent/guardian with them when they pick up their car. If you are unable to pick up your car after the race, they will be sent to the Scout Office in Great Falls for someone to pick up after the Scout Expo starting Monday, June 20th

Other Construction Rules

— The wood provided in the kit must be used. The block may be shaped in any way that is desired.

— The wheels supplied with the kit or the colored official BSA wheels must be used. The wheels may not be cut,
drilled, beveled or rounded. You may remove the seam from the wheels, but the molding bumps on the outside
edges must remain. No graphite coated wheels may be used.

— The axles supplied with the kit must be used. They may be polished and dry lubricated.

— Wheel bearings, washers or bushings are prohibited.

— The car must not ride on any type of springs.

— The axles must be positioned so that the axles of the front wheel pair are in the same horizontal and vertical plane, and that the rear wheel pair should also be in their same respective x and y plane. Moreover, axles should not be deliberately bent at an angle. All four wheels must make contact with a flat surface when the car is at rest.

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

— No loose material of any kind, such as lead shot, may be used.

— Only dry lubricants such as graphite or powdered Teflon “white lube” will be allowed for lubricating the wheels.
Lubricants may not foul the track. Lubrication should be completed prior to checking cars in for inspection. No lubrication will be completed on race day.

— 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.

On Race Day

— Each car will be assigned a number during check-in. This number will be referenced in the heats.

— Each car shall run one heat per lane on the track. The fastest car will be determined by the fastest average of all heats.

— Should a car jump the track during the heat, but not interfere with any other car, that heat shall stand as run.

— Should any car jump the track and interfere with another car during a heat, that heat shall be re-run. Should the same car interfere again, the heat will be run a third time with the offending car removed from the heat. The offending car will not receive a time for that heat.

— Should a car become damaged during the races, it will not be repaired and all remaining heats will run without the damaged car. The car will not receive a time for any missed heats.

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