The rotary engine, previously a staple in Mazda's lineup, is an engine design that foregoes the round piston and singular chamber of a regular reciprocal internal combustion engine. Instead, the ...

Pop the hood on a classic Mazda RX-7 or RX-8 and the engine bay looks oddly empty. That is the charm of the rotary engine: a compact lump of metal that trades pistons and valves for a spinning ...

Rotary engines made their biggest impact in Mazda sports cars, but a recent episode of "Jay Leno's Garage" delves into the rotary's earlier history. Before it was popularized by Mazda, the rotary ...

Antonio is a chemical engineering student pursuing his master's degree in chemical engineering and sustainable processes. Throughout his academic journey, he has gained substantial knowledge in areas ...

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 ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

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, ...

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 ...

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 ...