Posted: 1/31/2008 9:08:33 PM EDT
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February 1st 1957 1957 – Invented by German mechanical engineer Felix Wankel, the first working prototype of the Wankel rotary engine (pictured) ran for the first time at the research and development department of German manufacturer NSU Motorenwerke AG. First Wankel Engine DKM54 ![]() ![]() |



