Wankel rotary engine powered thousands of aircraft. One of several problems: It spewed castor oil on its pilots.

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

Looking at the price performance, we see that aerospace peers saw share price declines until the start of December. Generally, we have seen that the prospects of peace resulted in share price pressure ...

A German engineer, Felix Wankel, is credited with developing the world's first rotary engine in the 1950s. Wankel rotary engines use a triangular rotor spinning in a semi-oval case on an eccentric ...

A Wankel engine is a type of rotary engine, but not all rotary engines are Wankel engines. Wrapping your mind around this idea will help you to better understand the similarities as well as the ...

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 ...

Language is an imperfect medium, but it's what we've got, so let's go with it. Determining the swept volume of inventor Felix Wankel's rotary engine can generate more arguments than claiming what a GT ...