Is Horsepower A Us Unit?

[3] In the US customary system of measurement, which is non-coherent, the unit of power is the horsepower, which is defined as 550 foot-pounds per second (the pound in this context being the pound-force); similarly the gallon is not equal to a cubic yard but instead 231 cubic inches.” Is Read more…

When Did Net Horsepower Start?

1972. After 1972, an engines power output was quoted as “net horsepower,” and just like “gross horsepower,” it was measured at the crankshaft, so it too does not take into account drivetrain losses. When did net horsepower come out? In 1970 California passed a bill that demanded automakers quote “net” Read more…