Here is my RC buggy 12km/h.
Propulsion : two 88002 (lego power functions train motor)
Steering : M motor
Powerplant : lego power functions
suspension : None
This is my lego technic/nxt toyota hilux, which is my first offroad truck.
Actully it had not very good offroad performance because RWD and low clearence, but it can climb small objects with ease also it is fast!
propulsion – 2 nxt motors.
steering – 1 nxt motor.
sensor : none
suspension – front pedular suspension.