When considering rotary engines, the Wankel engine often comes to mind due to its high power-to-weight ratio, though it ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

The Hercules W2000 was the world's first production rotary motorcycle, beating Suzuki's RE5 to market in 1974 with a 294-cc ...

It's difficult to find cars with rotary engines today. Piston-driven engines are more common because the drawbacks of rotary ...

Ask most people what a rotary engine is, and they'll describe a Mazda RX-7 with a triangular rotor spinning inside a housing, combustion happening in sequence as the rotor moves rather than across a ...

Language is an imperfect medium, but it's what we've got, so let's go with it. Determining the swept volume of inventor Felix Wankel's rotary engine can generate more arguments than claiming what a GT ...

Mazda 13B rotary engine in a white Mazda RX-7 engine bay. - TTTNIS/Wikimedia Commons When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, ...

It’s been over a decade since Mazda showed off a hydrogen rotary engine, but the lessons in engineering linger to this day. When it comes to engines, the Wankel rotary is one of the lightest and ...

A Wankel RC2-60 Rotary Engine - Sanjay Acharya/Wikimedia Commons Ask most people what a rotary engine is, and they'll describe a Mazda RX-7 with a triangular rotor spinning inside a housing, ...

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...