Could there possibly be a rotary engine with 12 rotors? The answer is yes, and here's everything we know about it including ...

which then allows combustion to start with the introduction of a spark from traditional spark plugs. Two plugs are generally fitted to a rotary engine, as due to the shape of the combustion ...

Talk of radically different designs always leads to a single name – Wankel. The Wankel rotary engine, most notably used in automobiles by Mazda, has been around since the late 1950’s.