The Wankel engine is the most famous rotary engine, but it isn't the only kind. While they aren't as common these days, they haven't fully gone away.

The second-generation of Mazda's beloved RX-7 is often left out of the conversation. Here's why it shouldn't be.

The Wankel rotary engine is one of the most unique and innovative engine designs ever created. Unlike the conventional piston engine that relies on reciprocating motion, the Wankel rotary engine ...

With extremely low miles and an almost as-new appearance, today's Nice Price or No Dice RX-7 is a blast from the past rotary ...

Naming concerns aside, Wankel is the most common and successful rotary engine design, and the only one to make it into mass production. Back in the early '60s, NSU and Mazda had a friendly ...

The Wankel "crankshaft" has four main bearing surfaces concentric with the shaft centerline, and three offset, larger-diameter "journals" spaced 120° apart on the shaft.

The higher the rpm, the better it goes, Manny Barreiros says of his 1967 NSU Wankel Spider, the first rotary-powered production car. Ironically perh ...

So, a Wankel engine needs constant oil top-ups while dealing with the products of that burnt oil. And those apex seals wear down. "[The Wankel] has this long, skinny, moving combustion chamber.

While GM’s Wankel experience was only active for just less than four years and went nowhere, two interesting Corvette concept cars were built, known simply as the 2-Rotor (XP-987GT) and 4-Rotor.

Mazda has confirmed the return of the Wankel rotary engine in 2020, eight years after it put it on hiatus with the cancellation of the RX-8 sports car. But things are going to be a little ...

The return of the Wankel engine does not resemble its prior use The R-EV powertrain employs a single-rotor Wankel engine generator that, unlike the most recent RX-8, is not connected to the wheels.

Inspired by the Wankel engine, the Experiment ZR012 watch uses a pair of rotating Reuleaux triangles to indicate the time. The larger rotor points to the hour on the outer border, while the ...