This electric-drive-train-development tool is for electric go-carts, electric scooters, electric motorcycles, radio-controlled cars, BattleBots, robots, and other types of electric vehicles. Select motors, batteries, the gear ratio, and wheel size, then take your toy for a test drive on a virtual test track. EDTSim reports torque, pushing force, maximum velocity, RMS current, and other useful information for building an electric vehicle.