The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

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 ...

For more than a decade the name Wankel has popped up whenever car enthusiasts start talking about advanced-design automotive powerplants. The theory of the Wankel engine goes back to 1954 when Dr.

We look at why Mazda introduced the three-rotor 20B Wankel rotary engine, and why it only ever saw service in the Cosmo coupe ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

Long before Felix Wankel became synonymous with rotary engines, an inventive Hungarian-American engineer named Stephen M. Balzer secured one of the earliest patents for a rotary-powered automobile on ...

Most of the internal combustion piston engines built for vehicles throughout history have pretty familiar core designs. The ...

Internal combustion engines have still got a few punches left in them. Case in point: Kiwi drifter "Mad Mike" Whiddett has unveiled "the wildest drift car I could think of," built around the world's ...