horsepower

Definition of horsepower in English English dictionary: A non-metric unit 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; A metric horsepower (symbol often PS from the German abbreviation), approximately equal to 735.5 watts; Strength
political horsepower.; Horsepower is a unit of power used for measuring how powerful an engine is. a 300-horsepower engine. horsepower hp a unit for measuring the power of an engine, or the power of an engine measured like this. Common unit of power, the rate at which work is done. In the English system, one horsepower equals 33,000 foot-pounds of work per minute that is, the power necessary to lift a total of 33,000 lbs a distance of one foot in one minute. This value was adopted by James Watt in the late 18th century after experiments with strong dray horses and is actually about 50% more than the rate an average horse can sustain for a working day. The electrical equivalent of one horsepower is 746 watts in the International System of Units; the heat equivalent is 2,545 BTU per hour. The metric horsepower (see metric system) equals 4,500 kg-m per minute (32,549 foot-pounds per minute), or 0.9863 horsepower; Unit of rate of doing work Defined as 550 foot-pounds per second One horsepower is about 746 watts (A horsepower has also been defined as the amount of power needed to drag a dead horse 500 feet in 1 second, but this was not accepted by the international standards community ); Measure of power One HP = The force that will raise 33,000 pounds by 1 foot in 1 minute; A measure of power output Horse power equals the energy required to lift 550 pounds one foot in one second; {i} unit for measuring the rate of work of an engine or motor; a unit of power equal to 746 watts; A unit for measuring the power of motors or the rate of doing work One horsepower equals 33,000 foot-pounds of work per minute (550ft-lbs per second) or 746 watts; A measure of the rate of work 33,000 pounds lifted one foot in one minute, or 550 pounds lifted one foot in one second Exactly 746 watts of electrical power equals one horsepower Torque and RPM may be used in relating to the horsepower of a motor For fractional horsepower motors, the following formula may be used; = a measurement of mechanical power that a motor produces In electrical, one horse power equals 746 watts In mechanical terms one horse power is produced when 33,000 pounds are lifted one foot in one minute Horse power represents the work being done by the output of an electric or internal combustion style motor; A unit for measuring the power of motors or the rate of doing work one horsepower equals 33,000 foot-pounds of work per minute (550 ft lbs per second) or 746 watts; Measure of power (the amount of work that can be done over a given amount of time) One horsepower is defined as 33,000 foot-pounds of work in one minute Example: Lifting 33,000 pounds one foot in one minute, or lifting 3300 pounds ten feet in one minute; A unit of measure used in representing the amount of energy or power produced by a device -- one horsepower is equal to the energy required (work) to move a 550 pound object one foot in one second Also equivalent to 746 watts; The work done per unit of time 1 horsepower equals 33,000 foot-pounds of work per minute or approximately 746 watts Motors for pumps are rated in horsepower; (HP) A measure of the time rate of doing work defined as the equivalent of raising 33,000 pounds one foot in one minute Electrically, one horsepower is 746 watts; == The unit of the rate of doing work The term originated with James Watt, who determined by experiment that a horse could do 33,000 footpounds of work per minute in drawing coal from a coal pit; A unit of measurement for power which is the rate of doing work (one horsepower equals 746 watts); A unit of power equal in the United States to 746 watts and nearly equal to the English gravitational unit of the same name that equals 550 foot-pounds of work per second; Is a unit of work equal to 33,000 foot pounds per minute, 550 foot pounds per second, or 746 Watts (099); A unit of measurement of mechanical power It indicates the ability of a device or mechanism to do a specific amount of work over a period of time It is equal to 550 foot-pounds per second in mechanical power or 746 watts in electrical power; - A unit of measurement used to describe an engine's strength Typically, the more horsepower an engine produces, the faster the motorcycle can potentially go (See also: Torque); (electrical horsepower; hp) A unit for measuring the rate of mechanical energy output The term is usually applied to engines or electric motors to describe maximum output 1 hp = 745 7 Watts = 0 746 kW = 2,545 Btu/hr; A unit of power One horsepower equals 550 foot-ponds per second or 746 watts See Power; A unit of measurement used to determine power and output of an engine; (gen) A unit of POWER equal to 33,000 FOOT-POUNDs per minute, 550 foot pounds per second, or 746 WATTs F - cheval-vapeur S - potencia util; unit of power equal to 33,000 foot-pounds per minute, equivalent to 745 7 watts; is a unit of power equal to 33,000 foot-pounds per minute or the rate of work required to raise 33,000 pounds one foot in one minute; (Otomotiv) The energy required to lift 550 pounds one foot in one second - or 33,000 foot-pounds per minute; hp
horsepower-hour: a unit of work equal to the work done by one horsepower in one hour
brake horsepower: The useful horsepower of an engine as measured using a friction brake (or dynamometer) attached to the drive shaft
brake horsepower: {i} b.h.p., effective horsepower that is available for driving machinery (Mechanics)
brake horsepower: The actual or useful horsepower of an engine, usually determined from the force exerted on a friction brake or dynamometer connected to the drive shaft

horsepower

Hyphenation

horse·pow·er

Turkish pronunciation

hôrspauır

Pronunciation

/ˈhôrsˌpouər/ /ˈhɔːrsˌpaʊɜr/

Etymology

[ 'hors-"pau(-&)r ] (noun.) 1806. * From horse and power, the unit originally defined as the amount of power that a horse could provide.

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