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 ...

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 ...

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, ...

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 ...

Professor Aniebiet Inyang Ntui is a multi-faceted individual whose expertise spans the worlds of library and information science, environmental advocacy, and – perhaps surprisingly – the automotive ...

Mazda’s rotary engine has been officially reborn, but not quite in the way you might think. Yes, we saw a drop-dead gorgeous Iconic SP rotary-hybrid coupe concept unveiled at last October’s Japan ...