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 ...
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How the Mazda RX-8 saved the rotary engine
Mazda's rotary engine may not have survived were it not for the actions of this rebellious group. This is how the Mazda RX-8 came to life.
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