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

Shortly after, in 1951, Wankel partnered with motorcycle and car manufacturer NSU and just six years later he and NSU completed a prototype rotary engine called the DKM.

The Wankel engine is the most famous rotary engine, but it isn't the only kind. While they aren't as common these days, they haven't fully gone away.

Although there was briefly a company called Rotary Rocket, the term is much better known as a nickname for the Mazda RX-7 — one of the few cars that used a Wankel, or rotary, engine. If you e… ...

Naming concerns aside, Wankel is the most common and successful rotary engine design, and the only one to make it into mass production. Back in the early '60s, NSU and Mazda had a friendly ...

In the late sixties and early seventies, many car companies were enamored with the power density of Wankel rotary engines, including NSU, Mazda, Mercedes-Benz and General Motors. GM ultimately ...

From the December 1969 issue of HOT ROD: After talking about Wankel engines for years, foreign automobile manufacturers started producing the revolutionary powerplants—and they really worked.