horsepower -
A non-metricunit of power symbol hp with various definitions, for different applications. The most common of them is probably the mechanical horsepower, approximately equal to 745. 7 watts.
horsepower -
A metrichorsepower symbol often PS from the German abbreviation, approximately equal to 735. 5 watts.
Horsepower (HP) is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts. Horsepower was originally defined to compare the output of steam engines with the power of draft horses.
OmegaWiki Dictionary
Ω
horsepower Unit of measurement of power equal to that of a horse drafting 75 kg at the speed of 1 m/s, i.e. 735,498 Watt.
horsepower Unit of measurement of power equal to that of a horse drafting 55 pounds at the speed of 10 feet per second, i.e. 745,7 Watt.
