Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. While modern engines feature many tweaks and improvements on the original ideas, they usually aren't as interesting as the strange ...

Is August 13th marked on your calendar? If you're a fan of the Wankel rotary engine - or any sports car powered by a Wankel rotary engine (we're looking at you, RX-7 fans), it should be. Dr. Felix ...