These car are intend to be used to teach physics & force and motion studies.
- The washer included allow the user to change the mass by as much at 150%.
- Larger washer are also available for more control of the car's mass. Increase as much as 300%.
- The set screws can be used to tighten down the washer load, increase the repeat-ability of the experiments.
These cars contain a fully threaded 5/16 shaft, one nut per car plus two set of washers.
- 9 USS F/f 5/16 Z
- 9 Larger USS F/Y 5/16 Z
Each kit contains 3 cars.
NOTE: Although these cars meet the standards for ASTM F963, they are not intended to be used as a Toy. For toy cars, please visit BluTrack Racers.