An engine dynamometer measures torque (lb-ft), not mechanical energy (ft-lb); and an engine's "time" is expressed in revolutions per minute (rpm). Since 6.28 ft-lb of work is about equal to 1 lb-ft of ...

Horsepower and torque are the primary measurements of a drivetrain's power. Horsepower, for whatever reason, gets the notoriety and establishes the bragging rights. Yes, more horses mean more power, ...

A little while ago I had one of those immensely annoying – and unwinnable – arguments in an online forum with a guy I’d never met. You’d think the touchy topic was the wisdom of wearing a face mask (I ...