You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to categorize the Wankel.

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.

When Mazda discontinued the RX-8, most people assumed the rotary engine was finished. The RX-8 was the last production car to use Mazda's signature Wankel rotary, and its departure seemed to signal ...

TWENTY-FIVE years ago, a German book salesman named Felix Wankel entertained a revolutionary, if not heretical notion: he fell to wondering if the standard gasoline engine, man’s commonest prime mover ...

Washington — Remember the Wankel? There's a new spin on the rotary engine whose quirky name once made it fodder for a Monty Python sketch. Conceived by German inventor Felix Wankel in the 1920s, the ...

Rotary engines such as the Wankel have strange shapes that can be difficult to machine (as evidenced by the specialized production machines and patents in the 70s), which means it lends itself well to ...