Horsepower is a relic of the steam age, yet it still dominates spec sheets, showroom chatter, and online debates about engines. Even as engineers rely on watts and kilowatts, the car market, ...

Every time we talk about an engine, we talk about the amount of horsepower it has. Even if we talk about electric motors in most modern EV, we tend to read the horsepower figure to determine the power ...

From left: Thayer, Keller and Patiashivili pose with the Formula SAE car. As multi-year members of the Formula SAE student group, mechanical engineering and mechanics majors Jon Keller and Juba ...

Language is an imperfect medium, but it's what we've got, so let's go with it. Determining the swept volume of inventor Felix Wankel's rotary engine can generate more arguments than claiming what a GT ...

Inline-six and V6 engines are built differently, but torque output depends on more than design. Here's what sets them apart ...

You almost certainly know the horsepower rating or displacement of your boat’s engine. But some marine-engine manufacturers have begun marketing torque over horsepower. In a break from standard ...

In September, Sensor Developments Inc. (SDI) released the 01251 series of infrared dynamometer torque sensors. While inquiring about this new series, I quizzed Rick West, electronics design engineer ...