The term horsepower has been a staple in the automotive industry for decades, but why exactly do we use it? The concept dates back to the 18th century when engineer James Watt sought a way to compare ...

It all really comes down to habit. Once people get used to doing things one way — like using the word "horsepower" to refer to an engine's output — it can be exceedingly difficult to get them to ...

A crankshaft may experience irregular rotational speed patterns caused by a combustion engine’s discrete firing process. These excite components of the driveshaft, which causes rotational vibrations ...

Thanks to a close collaboration between the Swiss Federal Laboratories for Materials Science and Technology (Empa), SR Technics and the Federal Office of Civil Aviation (FOCA), Switzerland is setting ...

If, as has so often been said, an engine is nothing other than a simple air pump, then flow numbers alone should dictate the engines final output. From this it should follow that if it's just flow ...

When it comes to making horsepower, the thought that bigger is better has driven the motorsports hobby for years. In the late 1950s, the first 348 ci big-block Chevrolet spawned an infamous family of ...