From oil soaked World War I rotary engines to the massive 28 cylinder R 4360 Wasp Major, this episode traces the evolution of the air cooled radial. We break down how engineers balanced cooling, power ...

The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.

Many Mazda employees want a new rotary sports car, and this could be the “push” the company needs, but at what cost?

The traditional piston engine has garnered the vast majority of attention and application in the internal combustion age, but there was another: the Wankel rotary engine. German engineer Felix Wankel ...

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...

Developing a gasoline-powered rotary engine was a dream for Felix Wankel, and we mean that literally. Some steam engines worked on the same basic principle as far back as the 18th century, but the ...

The Wankel rotary engine is known for its troubled life in the mainstream automotive industry, its high power-to-weight ratio, and the intoxicating buzz it makes at full tilt. Popular with die-hard ...

Or engines that brands made famous. It's hard to tell sometimes.