The Mazda RX-7 FD achieved perfect sports car balance with its 1.3L twin-turbo rotary engine, 50/50 weight distribution, and ...

In the early '90s, Mazda's rotary-powered RX-7 was the quintessential Japanese two-seat sports car. But then the Miata ...

The Wankel rotary engine offers one of the most unique sounds of any ICE. Most famously used in various legendary Mazdas like the RX-7 and the supposedly banned Le ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

Designed and championed by self-taught engineer Felix Wankel, the rotary engine is now most closely associated with Japanese automaker Mazda. Many of the greatest Mazdas ever made, including the RX-7 ...

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, ...

A Wankel engine is a type of rotary engine, but not all rotary engines are Wankel engines. Wrapping your mind around this idea will help you to better understand the similarities as well as the ...

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 ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

Engine size can be misleading. Here are several examples of engines from opposite ends of the size spectrum that produce ...

Does anyone else think the Mazda RX-8 used to be the coolest thing on the road. It didn’t matter that it wasn’t that fast. Nor that its rotary engine burns oil like Snoop burns “za,” and slurps gas ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...