The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.
In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...
Wankel rotary engine powered thousands of aircraft. One of several problems: It spewed castor oil on its pilots.
You hear endless myths about the Mazda RX-7, from breathless praise of its “magic” to horror stories about blown apex seals.