Planetary Gear Unit for Students, mall-size unit for explaining the principle of planetary gear. By setting the internal, sun and pinion gears at different motions
Differential Model, permits the instructor and student to manually turn the handle and apply a load to the transparent wheels to demonstrate the differential mechanism, permits power from the engine to be transmitted to a pair of driving wheels.
Wankel Engine, Rotary Engine Model, plastic housing enables the students to see the internal structure at all angles. The rotor starts moving when the switch is turned on. It is powered by 110V AC