Join Date Aug 2011 Location 01°58.83468', -157°21.35514' Posts 12,618 Like 1,323 Liked 1,655 Times in 1,110 Posts Rotary Engines Not to be confused with a Wankel Engine , ... A rotary engine is a radial engine that spins with the propeller. The crankshaft is stationary & is attached to the aircraft, and