After installation is complete. By manually adjusting the belt on the pulley sets of different diameters were driving, you can visually see the changes in speed and torque, model cars can also be set for two-wheel drive and four-wheel drive, in the process of assembling and games to fully appreciate the belt drive the secret.
In the process of assembling, you can use exercise patience and ability, positive and negative exchange can also be achieved Reversible DC motor, so that the model car can move forward and backward.
Step 1: Accessories Listing
Step 2: Installation Manual