The Timmyton's jaws and tail are motorized by the same EV3 medium motor, which is plugged into port A. The medium motor is situated between the two drive motors.
A special gearbox splits the medium motor's power so it can simultaneously power the jaws in the front and the tail in the rear. A bevel gear directly attached to the medium motor's output meshes with two gear trains; it meshes with another bevel gear through a 90-degree connection to transfer power to the jaws, as well as a set of gears located above it, which transfer power to the tail.
Bevel gears are a special type of gear; they have a conventional circular shape like spur gears, but the corners of their teeth are cut at an angle. This allows them ...
