Yes, there is a 12-rotor engine — here's how much HP it's trying to push

Could there possibly be a rotary engine with 12 rotors? The answer is yes, and here's everything we know about it including ...
Fast Lane Only on MSN

8 rare engines that were only produced in small numbers

Engines are the heart of any vehicle, and over the years, some truly unique powerplants have made their mark, albeit in ...
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 Rotary Engines Use Two Different Spark Plugs

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, ...
Hot Rod

The Wankel Rotary Engine's Role in an Experimental Sports Coupe

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.