Complete Fully Built Pinewood Derby Cars
♦Simple Wedge Design♦
♦Goat Wedge Design♦
♦Physics Aero Design♦
–The wheels are official BSA ultralight 1.6 grams. They are polished and prepped with a proprietary blend of racing wax and finished with a high performance racing graphite.
Official wheel description: These ultralight speed wheels are official BSA wheels which are sorted by mold number and then precision machined with a CNC lathe to give your Complete Fully Built Pinewood Derby Cars maximum performance. To provide you with an awesome set of wheels, the following operations are performed:
The wheels are sorted by mold number and any defective wheels are discarded.
Wheel bores are reamed and bored perfectly round and smooth.
Outer hub faces are squared to minimize contact with the axle head.
The wheel tread is lathed with TRUE TRACK to achieve a perfectly round wheel, flat tread surface, and a slight radius on the edges to replicate the look of a stock BSA wheel.
The inner edge is polished to reduce friction when rail-riding.
The weight of the wheel is reduced by removing plastic from the underside of the wheel tread.
–Wheels, block, and axles are made from the official BSA kit.
–Weighted just short of 5 ounces to allow for decals and scale variations.
–3 wheel rail rider (only 3 wheels are touching track) to ensure maximum speed.
–The axles have been straightened, deburred (crimp marks removed), and wet sanded to a 2000 grit finished. They are sealed with Dupont teflon dry lubricant. This will give your Complete Fully Built Pinewood Derby Cars the best performance.
–Each Complete Fully Built Pinewood Derby Cars comes with vial of racing graphite and applicator brush.
–The length of the car does not exceed 7″ and is in compliance with BSA rules and regulations on body length.
–The overall width of the car does not exceed 2 3/4″ and is in compliance with BSA rules and regulations on car width.
–The car has a minimum clearance of 1 3/4″ between the wheels and meets BSA rules and regulations.
–The car has a 3/8″ clearing underneath the body so it does not rub on the track and meets BSA rules and regulations.
–The rear axles are cambered (bent) at a 2.5 degrees to allow the least amount of wheel tread to make contact with the track, thus reducing friction.
–The steer axle is set at 1.5 degrees.