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 ...

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 ...