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 ...

In the late 1960s, a Japanese automaker took a bold leap with an unconventional engine that defied traditional design.

This engine is the basis of the modern “Wankel” rotary engine. Piston powered engines, chiefly the Otto and Diesel cycle, are current kings of the internal combustion mountain. Piston powered ...