The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

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 ...

The Wankel rotary engine offers one of the most unique sounds of any ICE. Most famously used in various legendary Mazdas like the RX-7 and the supposedly banned Le ...

What does 1,350 pounds feel like flying down a steep, winding road with 400 horsepower from a turbo RX7 Mazda rotary engine? Curious how a rotary engine works or do you just love a rotary engine sound ...