Last week NSU Werke motor company of Neckar-sulm, West Germany described a gas engine that has neither pistons nor valves. Invented by a mechanical genius named Felix Wankel, it was developed with ...
In the late sixties and early seventies, many car companies were enamored with the power density of Wankel rotary engines, including NSU, Mazda ... in favor of a piston engine.
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