Formula 1 and drifting are polar opposites in the motorsport world, but "Mad Mike” Whiddett doesn’t seem to have gotten the ...

Wait, what now?

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 ...

Rebuilding a race engine isn’t easy, but Mazda Motorsports has it even tougher with a rebuild of one of the most legendary race car engines ever made. The Mazda 787 was the first Japanese and ...

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, ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

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 ...

Rotary might be a good name for this sort of engine, if the name wasn't already taken. Everything inside the crankcase rotates, but unlike a Wankel-style rotary engine, this design uses a piston with ...

When considering rotary engines, the Wankel engine often comes to mind due to its high power-to-weight ratio, though it ...