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

NEW DELHI, March 7 (Reuters) - India has signed a $248 million contract with Russian state arms exporter Rosoboronexport to acquire more powerful engines for its Soviet-era battle tanks ...

The world’s first oblique detonation engine (ODE) powered by standard aviation kerosene has been successfully tested by Chinese scientists, marking a potential game-changer in hypersonic ...