The total length, width, and height of the space taken up by the spars, motor, and wires sticking out of the chassis on top.
The distance between the rear axle and the rear end of the chassis. The distance between the front axle and the front end of the chassis. The distance between the front and back axles But first, you will need to get a few measurements from your chassis. For the next step, you will need to use your car blueprint that you found earlier.