The Wankel rotary engine, ... Dubbed the DKM 54, this engine had a rotor and housing which rotated on separate axes. The engine was capable of great rotational speeds, up to 17,000 RPM.

Part 1: The rotary engine’s origin story and how Mazda became synonymous with the unique combustion engine. From the June 2010 issue of Modified magazine.

Felix Wankel, a German engineer who invented the rotary engine, is born on Aug. 13, 1902, in Lahr, Germany. Wankel, ... the DKM 54. The DKM was first operated in February 1957.

At the same time, Felix Wankel, our favorite Nazi nutjob got ready with his first prototype rotary engine, the 21 horsepower DKM 54. The Inventor Of The Rotary Engine Was A Nazi Nutjob.

Most folks today credit Dr. Felix Wankel with inventing the modern rotary engine in the 1950s (with the DKM and KKM prototypes) that went on to become Mazda's iconic rotary engine.

We take a nostalgic look back at the history of Mazda’s charismatic, high-revving rotary engines. ... In 1957, Felix Wankel and NSU completed a prototype called the DKM.

In 1954, Wankel finished designing a rotary piston engine for NSU known as the Drehkolbenmotor (or the DKM). This rotary-valve-controlled 250cc motorcycle engine was based on the company's Lux and ...