Freedom Motors builts Wankel type rotary engines under the Rotapower brand name. Among its applications is that of an air-car with four engines, rotors and other vehicles such as aerial robots.

“From the Freedom Motors catalog”

“Block and rotor details”

“Logo de Rotapower”

-The Rotapower logo already indicates that the engine is of the Wankel rotary-piston type.

-These engines are built in quantity for "snowmobiles". and they are offered for ULM, in versions of a body and 650 cc and two bodies with 1300 cc.

“Single-body version”

-The 650 cc gives a power of 75 CV with a weight of 80 lbs.

-The two-body version gives 150 CV weighing 120 lbs.

“Versión de dos cuerpos”

-They are considerable powers considering the little displacement of these engines.

-They also offer the advantage of running smoothly.

-The explanation of the high power in proportion to the classic plunger is due to the fact that in each turn the rotary piston receives three effective power strokes.

“Comparison of the two systems”