All Wankel engines are rotaries, but not all rotaries are Wankels

The Wankel engine powered the Mazda RX-7 to fame, but other pistonless rotary designs reveal why the category is broader than ...
SlashGear

Is A Wankel Engine Different From A Rotary Engine? Here's What You Need To Know

A Wankel engine is a type of rotary engine, but not all rotary engines are Wankel engines. Wrapping your mind around this idea will help you to better understand the similarities as well as the ...
SlashGear

Do Rotary Engines Have Valves? Here's How They Work

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 ...
AOL

Why Do Rotary Engines Make That Unique 'Brap Brap' Sound?

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 ...