Quarter Mile Calculator and 0–60 Simulator
Wired White v1 Simulate quarter-mile ET, trap speed and 0–60 mph from an engine torque curve, gearing, shift delays, tire grip and road loads. Replay the pass and compare the forces.
#traction
Wired White v1 
Robot Drive Motor Sizing Calculator
Wired White v2 Size wheel and motor torque, speed, reduction ratio and battery energy for an uphill wheeled robot. Check traction and compare a candidate motor at its loaded operating point.