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Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many ...
A horsepower-hour (symbol: hp⋅h) is an outdated unit of energy, not used in the International System of Units.The unit represents an amount of work a horse is supposed capable of delivering during an hour (1 horsepower integrated over a time interval of an hour).
Engine power is the power that an engine can develop. It can be expressed in power units, most commonly kilowatt, pferdestärke (metric horsepower), or horsepower.In terms of internal combustion engines, the engine power usually describes the rated power, which is a power output that the engine can maintain over a long period of time according to a certain testing method, for example ISO 1585.
The dimension of power is energy divided by time. In the International System of Units (SI), the unit of power is the watt (W), which is equal to one joule per second. Other common and traditional measures are horsepower (hp), comparing to the power of a horse; one mechanical horsepower equals about 745.7 watts.
United States customary units form a system of measurement units commonly used in the United States and most U.S. territories [1] since being standardized and adopted in 1832. [2] The United States customary system developed from English units that were in use in the British Empire before the U.S. became an independent country.
Actual HP output on early production units is 4,350 hp due to use of the 7FDL engine. GT1s : Russian Railways — Sinara transport machines — Gas turbine-electric — 360 tonnes (397 short tons) 220,313 pounds-force (980 kN) 11,130 horsepower (8,300 kW) Currently the most powerful non-electric locomotive ever produced. H220: Victorian ...
708 kW (949 hp; 963 PS) Hybrid electric: 710+ units produced. [45] Koenigsegg Agera: 2010 706 kW (947 hp; 960 PS) Internal combustion: 7 units produced McLaren P1: 2013 674 kW (903 hp; 916 PS) Plug-in hybrid: 375 units produced. [46] [47] Porsche 918 Spyder: 2013 652 kW (874 hp; 886 PS) Plug-in hybrid: 918 units produced. [48] Tesla Cybertruck ...
units: approximately 1000 BTU/hour 3 × 10 2: tech: PC GPU Nvidia GeForce RTX 4080 peak power consumption [20] 4 × 10 2: tech: legal limit of power output of an amateur radio station in the United Kingdom 5 × 10 2: biomed: power output (useful work plus heat) of a person working hard physically 7.457 × 10 2: units: 1 horsepower [21] 7.5 × 10 2