In 1954, Wankel finished designing a rotary piston engine for NSU known as the Drehkolbenmotor (or the DKM). This ...

Dubbed the DKM, it was quite different to what we would now consider to be a more typical rotary engine. Their second design, the KKM, featured a static rotor housing, and is much more in line ...

Dubbed the DKM 54, this engine had a rotor and housing ... This engine is the basis of the modern “Wankel” rotary engine. Piston powered engines, chiefly the Otto and Diesel cycle, are current ...