The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.
Pop the hood on a classic Mazda RX-7 or RX-8 and the engine bay looks […] ...
The traditional piston engine has garnered the vast majority of attention and application in the internal combustion age, but there was another: the Wankel rotary engine. German engineer Felix Wankel ...