These are the rules for the districts. They look pretty loose to me. What do you think?
2014 Official Pinewood Derby District Rules
1) All cars, wheels and axles must be from the BSA Model Kit. These are sold at the Great Trail Council Scout Shop, online and authorized retailers. You may also use official BSA colored wheels. The new BSA wheels may be used as well as the old wheels, as long as they are official BSA wheels.
2) All cars must pass inspection to qualify for the race. The inspection points are as follows:
a) Car Body / Dimensions
i) Wheel Base : Any wheel base may be used as long as the length of the car does not exceed 7"
ii) Height: Not to exceed 4" (inches)
iii) Length: Not to exceed 7" (inches)
iv) Width: Not to exceed 2-3/4" (inches)
v) Weight: Not to exceed 5 ounces (142.7 grams) measured on 1/10th digital scale
Additional materials may be added as long as they meet the dimensions specified above
Other material may be used modify body and / or frame
Axle slots or drilled holes for axle placement
4 Axles / wheels must be installed to the side of the car body at no greater than 45 degrees
Track (standard) details:
o Center Rail Height: 1/4" inch ( 7mm )
o Center Rail Width: 1 5/8" inches (4.2 cm)
Wheels must clear the outside-to-outside center rail width measurement
b) Axles
i) Minimum diameter: 0.084
ii) Must be axles supplied with official BSA Pinewood Derby kit.
c) Wheels (BSA new and old)
i) May be sanded, polished and lathed to remove: mold casting burs, imperfections, edge of tread surface and to true the roundness.
ii) The tread / contact surface must remain flat and parallel to the bore as humanly possible.
iii) The small detailed marks on the edge of the wheels must remain visible around the entire circumference.
iv) Absolutely no angling, reshaping, canting, round crowning, tapering, H-ing, V-ing or dishing the outside of the wheels and / or tread surface.
v) No removing or reducing the letters or spokes.
vi) No less than 7.50mm tread width (may be checked with digital calibers)
vii) No drilling additional holes
viii) No additional weight reduction is allowed other than hub coning, no weight reduced wheels. The wheels must weigh at least 2.4 grams each.
ix) Wheel covers may be used only if entire wheel is visible.
x) The car must have been made during the current year. Cars cannot be reused.
xi) Axles may be lubricated by powered graphite only. No lubricating oils or other lubricants permitted.
2014 Official Pinewood Derby District Rules
1) All cars, wheels and axles must be from the BSA Model Kit. These are sold at the Great Trail Council Scout Shop, online and authorized retailers. You may also use official BSA colored wheels. The new BSA wheels may be used as well as the old wheels, as long as they are official BSA wheels.
2) All cars must pass inspection to qualify for the race. The inspection points are as follows:
a) Car Body / Dimensions
i) Wheel Base : Any wheel base may be used as long as the length of the car does not exceed 7"
ii) Height: Not to exceed 4" (inches)
iii) Length: Not to exceed 7" (inches)
iv) Width: Not to exceed 2-3/4" (inches)
v) Weight: Not to exceed 5 ounces (142.7 grams) measured on 1/10th digital scale
Additional materials may be added as long as they meet the dimensions specified above
Other material may be used modify body and / or frame
Axle slots or drilled holes for axle placement
4 Axles / wheels must be installed to the side of the car body at no greater than 45 degrees
Track (standard) details:
o Center Rail Height: 1/4" inch ( 7mm )
o Center Rail Width: 1 5/8" inches (4.2 cm)
Wheels must clear the outside-to-outside center rail width measurement
b) Axles
i) Minimum diameter: 0.084
ii) Must be axles supplied with official BSA Pinewood Derby kit.
c) Wheels (BSA new and old)
i) May be sanded, polished and lathed to remove: mold casting burs, imperfections, edge of tread surface and to true the roundness.
ii) The tread / contact surface must remain flat and parallel to the bore as humanly possible.
iii) The small detailed marks on the edge of the wheels must remain visible around the entire circumference.
iv) Absolutely no angling, reshaping, canting, round crowning, tapering, H-ing, V-ing or dishing the outside of the wheels and / or tread surface.
v) No removing or reducing the letters or spokes.
vi) No less than 7.50mm tread width (may be checked with digital calibers)
vii) No drilling additional holes
viii) No additional weight reduction is allowed other than hub coning, no weight reduced wheels. The wheels must weigh at least 2.4 grams each.
ix) Wheel covers may be used only if entire wheel is visible.
x) The car must have been made during the current year. Cars cannot be reused.
xi) Axles may be lubricated by powered graphite only. No lubricating oils or other lubricants permitted.