The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way.

What's the biggest engine you can think of off the top of your head? There are certainly still some colossal motors in the automotive market, as big as Bugatti's 8-liter W16. If you're thinking ...

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 ...

From 1945 to 1955, a British aeronautical company called Napier & Son produced not just one but two versions of an intricate hybrid piston engine, which they named the Napier Nomad. The post-World War ...

In a world dominated by sleek jets and ultra-efficient turboprops, the roar of piston-engine propellers sounds like a blast from the past. However, some of these thunderous machines still roam the ...

If you've ever stood near a runway and watched planes take to the skies, you've probably also been awestruck by the sheer size of the engines that make it all possible. On large commercial planes, ...