For thirty years piston-engine fighters were the best thing in the sky and they helped shape what military aviation would ...

Converting the ignition of a fuel-air mixture into usable mechanical energy lies at the core of a dizzying number of internal ...

There's no need to sugarcoat what bad piston rings can do to your engine. Those rather thin cast-iron or steel rings may look small and irrelevant to untrained eyes, but they play a vital part in ...

There's more to piston shapes than you might think. Whether it's domed, flat, or dished, all pistons have their fair share of pros and cons when it comes to performance and efficiency. Understand that ...

The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way. Honda pioneered oval piston technology in the 1970s for four-stroke racing ...

Unless you drive a Wankel rotary, your combustion engine vehicle has pistons, and each of those pistons has three rings. Why ...

One-of-a-kind 1913 prototype Bullock Creeping Grip crawler tractor with its rare Heer opposed-piston engine gets cranking.

Just because LEGO Technic is technically a toy doesn’t mean that you cannot do solid engineering with it, like building air-powered engines. After first building a simple air-powered piston engine, ...

A Cirrus SR22 is an amazing aircraft, but what do you do when your mission hits the piston ceiling?