Well, any typical electric motor could trivially be considered a "rotary". I did save one of the rotors from the engine. Maybe I can think of some whimsical u

Well, any typical electric motor could trivially be considered a "rotary". I did save one of the rotors from the engine. Maybe I can think of some whimsical use for it, like cut a thin slice off it and weld it to something as a sort of decoration.