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I created a new type of rotary engine and it achieved two combustion events before destroying itself

I have not given up on making a weird novel-type engine run, and I come one little step closer to my goal. What I have given ...
SlashGear

Do Rotary Engines Have Valves? Here's How They Work

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 ...