The Wankel rotary is an example of a design which makes sense on paper. However, practical problems cause it to underperform in the real world. Felix Wankel’s engine was conceived during a dream.

If Mazda is known for anything, it's its use of the venerable and unique Wankel rotary engine. The Japanese manufacturer utilized the powerplant for around 50 years as it continually developed the ...

Powertrain engineering firm AVL has built a prototype Mini with an ER-EV powertrain that uses a 254 cc single-rotor Wankel to produce 15 kilowatts at 5,000 rpm or 25 kW at 7,000 rpm.