The Hercules W2000 was the world's first production rotary motorcycle, beating Suzuki's RE5 to market in 1974 with a 294-cc ...

In a period when the Corvette still wore its front-engine bruiser image proudly, this secret project looked like it had wandered in from Turin after taking a wrong turn near Bowling Green. It was ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...

We live in an age of downsizing in the automotive world. Super and hypercar manufacturers like McLaren and Ferrari are ditching big-capacity, high-cylinder count engines in favor of boosted V6 and V8 ...