Felix Wankel, a German engineer, created the Wankel engine. Compared to the standard engine configuration, the Wankel engine ...

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

Back in the late ’80s and early ’90s, Mazda was pumping out four-rotor race cars for IMSA, Le Mans, and the Japanese Sports Prototype championship, among other races. One of the best of Mazda’s killer ...

Find out how emissions regulations killed Mazda's three-rotor 20B Wankel rotary engine, just as it was getting started in the ...

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

All photos on this page are of the two-rotor.Wouldn't those headlights look better if the Feds would let them put a glass cover over the hole? Conventional gauges and controls hint this version may be ...

While every enthusiast knows or at least has heard about Mazda legends like the Cosmo Sport, RX-7, RX-8, or the 787B race car, those weren't the only interesting models that the manufacturer has ...

Over-the-top rotary builds are an enthusiast tradition. Because so few rotary cars have been made, the limits of the engine type haven't been fully exploited by automakers. It's been tuners who have ...

The rotary engine is not quite dead. Despite it last making a sports car experience in the Mazda RX-8 just under a decade ago, the oddball triangular engine has an unbelievably strong cult following ...

How many rotors are too many? While most Mazda engine builders and tuners wouldn’t dare to build an engine with more than four rotors, a company out of New Zealand has built a six-rotor engine for the ...