B HP is the measurement of an engine's power without any power losses, while HP is BHP less the power losses. 3. HP is measured by hooking up the engine to a dynamometer, while BHP is measured in a controlled environment without anything attached to the engine. read more
HP is the output horsepower rating of an engine, while BHP is the input brake horsepower of an engine. 2. B HP is the measurement of an engine’s power without any power losses, while HP is BHP less the power losses. read more
Horsepower can become a tricky business however, with values measured in different ways. BHP (brake horsepower) refers to the equipment needed to test the engines for their power outputs, with a large drum with a water brake within it measuring the braking force once the engine is spinning at a desired rate. read more