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 ...
Steel Horse Rides on MSN
How the rotary engine works — and why it’s so different
Pop the hood on a classic Mazda RX-7 or RX-8 and the engine bay looks […] ...
For a time, the Wankel rotary engine seemed like the future. In 1963, German automaker NSU—later absorbed into Audi—debuted the Wankel Spider, the first internal-combustion production car not powered ...
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