The rotary engine is easily one of the most controversial powertrains in the world of cars, and it's known for the brap-brap sound. Why do they do that?

Mazda 13B rotary engine in a white Mazda RX-7 engine bay. - TTTNIS/Wikimedia Commons When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, ...

For more than a decade the name Wankel has popped up whenever car enthusiasts start talking about advanced-design automotive powerplants. The theory of the Wankel engine goes back to 1954 when Dr.

How does a rotary engine work? Wankel Engines. Explanation of how a rotary engine works. With only 3 moving components, these are an engineering marvel. A look inside at what actually happens.

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...