180:
47:
1006:
856:
431:, they reported that the peak power over a few seconds has been measured to be as high as 14.88 hp (11.10 kW) and also observed that for sustained activity, a work rate of about 1 hp (0.75 kW) per horse is consistent with agricultural advice from both the 19th and 20th centuries and also consistent with a work rate of about four times the
385:
2488:, which was a version of brake horsepower called SAE gross horsepower because it was measured according to Society of Automotive Engineers (SAE) standards (J245 and J1995) that call for a stock test engine without accessories (such as dynamo/alternator, radiator fan, water pump), and sometimes fitted with long tube test
2630:, was formerly used in Italy. CUNA prescribed that the engine be tested with all accessories necessary to its running fitted (such as the water pump), while all others â such as alternator/dynamo, radiator fan, and exhaust manifold â could be omitted. All calibration and accessories had to be as on production engines.
2355:â hence indicated horsepower. As the piston advances throughout its stroke, the pressure against the piston generally decreases, and the indicator device usually generates a graph of pressure vs stroke within the working cylinder. From this graph the amount of work performed during the piston stroke may be calculated.
2515:
fell into disuse in 1971â1972, as automakers began to quote power in terms of SAE net horsepower in accord with SAE standard J1349. Like SAE gross and other brake horsepower protocols, SAE net hp is measured at the engine's crankshaft, and so does not account for transmission losses. However, similar
2437:
There exist a number of different standards determining how the power and torque of an automobile engine is measured and corrected. Correction factors are used to adjust power and torque measurements to standard atmospheric conditions, to provide a more accurate comparison between engines as they are
2403:
refers to the device which is used to provide an equal braking force, load to balance, or equal an engine's output force and hold it at a desired rotational speed. During testing, the output torque and rotational speed are measured to determine the brake horsepower. Horsepower was originally measured
2565:
SAE tightened its horsepower rules to eliminate the opportunity for engine manufacturers to manipulate factors affecting performance such as how much oil was in the crankcase, engine control system calibration, and whether an engine was tested with high octane fuel. In some cases, such can add up to
2561:
While Toyota and Honda are retesting their entire vehicle lineups, other automakers generally are retesting only those with updated powertrains. For example, the 2006 Ford Five
Hundred is rated at 203 horsepower (151 kW), the same as that of 2005 model. However, the 2006 rating does not reflect
2520:
standard, SAE net power testing protocol calls for standard production-type belt-driven accessories, air cleaner, emission controls, exhaust system, and other power-consuming accessories. This produces ratings in closer alignment with the power produced by the engine as it is actually configured and
1797:
Taxable horsepower does not reflect developed horsepower; rather, it is a calculated figure based on the engine's bore size, number of cylinders, and a (now archaic) presumption of engine efficiency. As new engines were designed with ever-increasing efficiency, it was no longer a useful measure, but
1452:
in 1876, where the best steam engines of that period were tested. The average steam consumption of those engines (per output horsepower) was determined to be the evaporation of 30 pounds (14 kg) of water per hour, based on feed water at 100 °F (38 °C), and saturated steam generated at
417:
A common legend states that the unit was created when one of Watt's first customers, a brewer, specifically demanded an engine that would match a horse, and chose the strongest horse he had and driving it to the limit. In that legend, Watt accepted the challenge and built a machine that was actually
1444:
and is not the same unit of power as the 550 ft lb/s definition. One boiler horsepower is equal to the thermal energy rate required to evaporate 34.5 pounds (15.6 kg) of fresh water at 212 °F (100 °C) in one hour. In the early days of steam use, the boiler horsepower was roughly
2358:
Indicated horsepower was a better measure of engine power than nominal horsepower (nhp) because it took account of steam pressure. But unlike later measures such as shaft horsepower (shp) and brake horsepower (bhp), it did not take into account power losses due to the machinery internal frictional
2549:
V6 fell from 210 to 190 hp (160 to 140 kW). The company's Lexus ES 330 and Camry SE V6 (3.3 L V6) were previously rated at 225 hp (168 kW) but the ES 330 dropped to 218 hp (163 kW) while the Camry declined to 210 hp (160 kW). The first engine certified
207:
So that an engine which will raise as much water as two horses, working together at one time in such a work, can do, and for which there must be constantly kept ten or twelve horses for doing the same. Then I say, such an engine may be made large enough to do the work required in employing eight,
1282:
Nameplates on electrical motors show their power output, not the power input (the power delivered at the shaft, not the power consumed to drive the motor). This power output is ordinarily stated in watts or kilowatts. In the United States, the power output is stated in horsepower, which for this
2348:
Indicated horsepower (ihp) is the theoretical power of a reciprocating engine if it is completely frictionless in converting the expanding gas energy (piston pressure Ă displacement) in the cylinders. It is calculated from the pressures developed in the cylinders, measured by a device called an
1911:
The power of an engine may be measured or estimated at several points in the transmission of the power from its generation to its application. A number of names are used for the power developed at various stages in this process, but none is a clear indicator of either the measurement system or
1457:
re-defined the boiler horsepower as the thermal output equal to the evaporation of 34.5 pounds per hour of water "from and at" 212 °F (100 °C). This considerably simplified boiler testing, and provided more accurate comparisons of the boilers at that time. This revised definition is
740:
2642:
for the approval of compression ignition engine emissions, installation and measurement of engine power. It is similar to DIN 70020 standard, but with different requirements for connecting an engine's fan during testing causing it to absorb less power from the engine.
242:
1458:
equivalent to a boiler heat output of 33,469 Btu/h (9.809 kW). Present industrial practice is to define "boiler horsepower" as a boiler thermal output equal to 33,475 Btu/h (9.811 kW), which is very close to the original and revised definitions.
1793:
and was used to denote the power of early 20th-century
British cars. Many cars took their names from this figure (hence the Austin Seven and Riley Nine), while others had names such as "40/50 hp", which indicated the RAC figure followed by the true measured power.
2420:
Shaft horsepower (shp) is the power delivered to a propeller shaft, a turbine shaft, or to an output shaft of an automotive transmission. Shaft horsepower is a common rating for turboshaft and turboprop engines, industrial turbines, and some marine applications.
1990:
For the nominal horsepower to equal the actual power it would be necessary for the mean steam pressure in the cylinder during the stroke to be 7 psi (48 kPa) and for the piston speed to be that generated by the assumed relationship for paddle ships.
729:
1353:
600:
2941:
turns in a minute. Watt assumed that the mill horse exerted a pull of 180 lb.âwe do not know where he got this figureâand found that it exerts 32,400 lb. per minute. By the following year he has rounded off the figure to 33,000, doubtless for ease in
1882:
Since taxable horsepower was computed based on bore and number of cylinders, not based on actual displacement, it gave rise to engines with "undersquare" dimensions (bore smaller than stroke), which tended to impose an artificially low limit on
1499:
pull exerted, and the speed. From these, the power generated can be calculated. To determine the maximum power available, a controllable load is required; it is normally a second locomotive with its brakes applied, in addition to a static load.
1265:
Tax or fiscal horsepower is a non-linear rating of a motor vehicle for tax purposes. Tax horsepower ratings were originally more or less directly related to the size of the engine; but as of 2000, many countries changed over to systems based on
1965:
Engine designers use expressions other than horsepower to denote objective targets or performance, such as brake mean effective pressure (BMEP). This is a coefficient of theoretical brake horsepower and cylinder pressures during combustion.
1616:
1415:
1461:
Boiler horsepower is still used to measure boiler output in industrial boiler engineering in the US. Boiler horsepower is abbreviated BHP, not to be confused with brake horsepower, below, which is also abbreviated bhp, in lower case.
1894:
3.4-litre XK engine of the 1950s had six cylinders with a bore of 83 mm (3.27 in) and a stroke of 106 mm (4.17 in), where most
American automakers had long since moved to oversquare (large bore, short stroke)
2500:
standards, which account for engine accessories (but not transmission losses). The atmospheric correction standards for barometric pressure, humidity and temperature for SAE gross power testing were relatively idealistic.
2393:, water pump, and other auxiliary components such as power steering pump, muffled exhaust system, etc., so the figures were higher than the European figures for the same engine. The newer American standard (referred to as
446:) and sustain about 0.1 hp (0.075 kW) indefinitely; trained athletes can manage up to about 2.5 hp (1.9 kW) briefly and 0.35 hp (0.26 kW) for a period of several hours. The Jamaican sprinter
1774:
851:{\displaystyle 33{,}000~{\frac {{\text{ft}}{\cdot }{\text{lbf}}}{\text{min}}}\times {\frac {12~{\frac {\text{in}}{\text{ft}}}}{2\pi ~{\text{rad}}}}\approx 63{,}025{\frac {{\text{in}}{\cdot }{\text{lbf}}}{\text{min}}}.}
3965:
1685:
2428:
engines. It includes the equivalent power derived from residual jet thrust from the turbine exhaust. 2.5 pounds-force (11 N) of residual jet thrust is estimated to be produced from one unit of horsepower.
1856:
1802:. The United Kingdom was not the only country that used the RAC rating; many states in Australia used RAC hp to determine taxation. The RAC formula was sometimes applied in British colonies as well, such as
3840:"ISO 14396:2002 - Reciprocating internal combustion engines - Determination and method for the measurement of engine power - Additional requirements for exhaust emission tests in accordance with ISO 8178"
4634:
4042:
380:{\displaystyle P={\frac {W}{t}}={\frac {Fd}{t}}={\frac {180~{\text{lbf}}\times 2.4\times 2\,\pi \times 12~{\text{ft}}}{1~{\text{min}}}}=32{,}572~{\frac {{\text{ft}}\cdot {\text{lbf}}}{\text{min}}}.}
5155:
2562:
the new SAE testing procedure, as Ford is not going to incur the extra expense of retesting its existing engines. Over time, most automakers are expected to comply with the new guidelines.
1520:
4616:
622:
1308:
493:
2689:
exhaust emission test. It applies to reciprocating internal combustion engines for land, rail and marine use excluding engines of motor vehicles primarily designed for road use.
2597:, DIN testing measures the engine as installed in the vehicle, with cooling system, charging system and stock exhaust system all connected. DIN hp is often abbreviated as "
3969:
997:
Or given that 1 hp = 550 ftâ
lbf/s, 1 ft = 0.3048 m, 1 lbf â 4.448 N, 1 J = 1 Nâ
m, 1 W = 1 J/s: 1 hp â 745.7 W
2374:) is the power measured using a brake type (load) dynamometer at a specified location, such as the crankshaft, output shaft of the transmission, rear axle or rear wheels.
1984:
For paddle ships, the
Admiralty rule was that the piston speed in feet per minute was taken as 129.7 Ă (stroke). For screw steamers, the intended piston speed was used.
116:
is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the
1071:
66036 defines one metric horsepower as the power to raise a mass of 75 kilograms against the Earth's gravitational force over a distance of one metre in one second:
1382:
2675:
1714:
1453:
70 psi (480 kPa). This original definition is equivalent to a boiler heat output of 33,485 Btu/h (9.813 kW). A few years later in 1884, the
1365:
Drilling rigs are powered mechanically by rotating the drill pipe from above. Hydraulic power is still needed though, as 1 500 to 5 000 W are required to push
2529:
In 2005, the SAE introduced "SAE Certified Power" with SAE J2723. To attain certification the test must follow the SAE standard in question, take place in an
4609:
1625:
5124:
872:
3629:
2412:
use any of several braking methods to measure the engine's brake horsepower, the actual output of the engine itself, before losses to the drivetrain.
4024:
3283:
2760:
1454:
3798:
2627:
2467:
1706:
This formula may also be used to calculate the power of a jet engine, using the speed of the jet and the thrust required to maintain that speed.
1065:
in
English. British manufacturers often intermix metric horsepower and mechanical horsepower depending on the origin of the engine in question.
4602:
2685:
specifies the additional and method requirement for determining the power of reciprocating internal combustion engines when presented for an
1922:
horsepower is derived from the size of the engine and the piston speed and is only accurate at a steam pressure of 48 kPa (7 psi);
3614:
2471:
184:
450:
produced a maximum of 3.5 hp (2.6 kW) 0.89 seconds into his 9.58 second 100-metre (109.4 yd) sprint world record in 2009.
1812:
216:
to help market his improved steam engine. He had previously agreed to take royalties of one-third of the savings in coal from the older
1937:
indicated horsepower minus frictional losses within the engine (bearing drag, rod and crankshaft windage losses, oil film drag, etc.);
1449:
4578:
3715:
3682:
3333:
3241:
3126:
2981:
2915:
3257:
1068:
1689:
The constant 375 is because 1 hp = 375 lbfâ
mph. If other units are used, the constant is different. When using coherent
1081:â
m/s = 1 PS. This is equivalent to 735.49875 W, or 98.6% of an imperial horsepower. In 1972, the PS was replaced by the
3097:
2749:
2493:
2459:
2458:
In the early twentieth century, a so-called "SAE horsepower" was sometimes quoted for U.S. automobiles. This long predates the
1369:
through the drill bit to clear waste rock. Additional hydraulic power may also be used to drive a down-hole mud motor to power
890:
2381:
standard tests the engine fitted with all ancillaries and the exhaust system as used in the car. The older
American standard (
1956:
shaft horsepower minus frictional losses in the universal joint/s, differential, wheel bearings, tire and chain, (if present).
3531:
3378:
3182:
2404:
and calculated by use of the "indicator diagram" (a James Watt invention of the late 18th century), and later by means of a
427:
summarizing measurements and calculations of peak and sustained work rates of a horse. Citing measurements made at the 1926
2842:
227:
144 times in an hour (or 2.4 times a minute). The wheel was 12 feet (3.7 m) in radius; therefore, the horse travelled
4625:
160:
4017:
3944:
3923:
3470:
3287:
2922:... based his calculations on data supplied to him to the effect that a mill horse walks, in a path of 24 ft. diameter,
1945:
horsepower (power delivered to and measured at the output shaft of the transmission, when present in the system) equals
3902:
3881:
2825:
4583:
3658:
3284:"Council Directive 71/354/EEC: On the approximation of the laws of the Member States relating to units of measurement"
2359:
losses, such as a piston sliding within the cylinder, plus bearing friction, transmission and gear box friction, etc.
443:
399:
31:
2868:
2809:
457:
to be able to measure how much horsepower a horse can produce. This horse was measured to 5.7 hp (4.3 kW).
1239:
In the 19th century, the French had their own unit, which they used instead of the CV or horsepower. Based on a 100
1487:
or an agricultural tractor to pull an implement. This is a measured figure rather than a calculated one. A special
220:. This royalty scheme did not work with customers who did not have existing steam engines but used horses instead.
168:
5119:
4573:
724:{\displaystyle \{P\}_{\mathrm {hp} }={\frac {\{T\}_{\mathrm {in{\cdot }lbf} }\{N\}_{\mathrm {rpm} }}{63{,}025}}.}
3731:
179:
2537:
1348:{\displaystyle {\text{hydraulic power}}={\frac {{\text{pressure}}\times {\text{volumetric flow rate}}}{1714}},}
3802:
1981:
Nominal horsepower = 7 Ă area of piston in square inches Ă equivalent piston speed in feet per minute/33,000.
159:
and other machinery. The definition of the unit varied among geographical regions. Most countries now use the
3637:
2581:
standard for measuring road vehicle horsepower. DIN hp is measured at the engine's output shaft as a form of
1948:
crankshaft horsepower minus frictional losses in the transmission (bearings, gears, oil drag, windage, etc.);
595:{\displaystyle \{P\}_{\mathrm {hp} }={\frac {\{T\}_{\mathrm {ft{\cdot }lbf} }\{N\}_{\mathrm {rpm} }}{5252}}.}
195:
provided a reason to compare the output of horses with that of the engines that could replace them. In 1702,
5150:
5145:
4010:
2770:
2062:
418:
even stronger than the figure achieved by the brewer, and the output of that machine became the horsepower.
3573:
5012:
4449:
3776:
2624:
2482:
Prior to the 1972 model year, American automakers rated and advertised their engines in brake horsepower,
2282:
484:
3816:
3351:
2162:
2142:
4648:
4061:
2663:
2438:
affected by the pressure, humidity, and temperature of ambient air. Some standards are described below.
1934:/net/crankshaft horsepower (power delivered directly to and measured at the engine's crankshaft) equals
1890:
The situation persisted for several generations of four- and six-cylinder
British engines: For example,
1790:
217:
3418:, vol. Trade Information Bulletin no. 463, Bureau of Foreign and Domestic Commerce, pp. 39â42
2202:
2042:
2122:
1978:
used to estimate the power of steam engines. It assumed a steam pressure of 7 psi (48 kPa).
5088:
5038:
4465:
3040:
2536:
A few manufacturers such as Honda and Toyota switched to the new ratings immediately. The rating for
2262:
2102:
1900:
1370:
3992:
1620:
Example: How much power is needed to pull a drawbar load of 2,025 pounds-force at 5 miles per hour?
5160:
5104:
5078:
5063:
4566:
4520:
4490:
3569:
3208:
2322:
2082:
1292:
473:
406:
suggested 27,500 foot-pounds (37,285 J) per minute. "Watt found by experiment in 1782 that a '
105:
3432:
3411:
1611:{\displaystyle \{P\}_{\mathrm {hp} }={\frac {\{F\}_{\mathrm {lbf} }\{v\}_{\mathrm {mph} }}{375}}.}
1299:, or can be used to estimate the mechanical power needed to generate a known hydraulic flow rate.
5114:
5109:
4561:
4551:
3662:
3164:
3066:
2655:
for the approval of internal combustion engines with regard to the measurement of the net power.
2555:
2302:
1962:
All the above assumes that no power inflation factors have been applied to any of the readings.
2793:
2397:) tests an engine with all the auxiliary components (see "Engine power test standards" below).
4111:
4066:
3711:
3701:
3678:
3527:
3394:
3374:
3329:
3237:
3156:
3122:
3058:
3004:
2977:
2971:
2911:
2716:
2710:
2704:
2698:
2692:
2652:
2639:
2351:
2242:
2222:
2182:
1693:
units (watts, newtons, and metres per second), no constant is needed, and the formula becomes
1496:
1410:{\displaystyle {\text{hydraulic power}}={\text{pressure}}\times {\text{volumetric flow rate}}}
398:
initially estimated that a horse could produce 22,916 foot-pounds (31,070 J) per minute.
171:
on 1 January 2010, the use of horsepower in the EU is permitted only as a supplementary unit.
3839:
3445:
3860:
3148:
3048:
3031:
2545:
2489:
1884:
876:
477:
423:
208:
ten, fifteen, or twenty horses to be constantly maintained and kept for doing such a work...
5007:
4907:
4505:
2765:
1492:
428:
411:
403:
132:
109:
81:
3589:
2470:
horsepower figure and the same as the
British RAC horsepower also used for tax purposes.
1709:
Example: how much power is generated with a thrust of 4000 pounds at 400 miles per hour?
414:
standardized that figure at 33,000 foot-pounds (44,742 J) per minute the next year.
3044:
1987:
The stroke (or length of stroke) was the distance moved by the piston measured in feet.
5083:
5043:
4912:
4535:
4510:
4470:
4403:
4362:
4312:
4033:
3707:
3139:
Ebert, T. R. (Dec 2006). "Power output during a professional men's road-cycling tour".
2022:
1799:
1784:
1271:
1260:
1240:
1076:
928:
156:
148:
113:
1376:
When using SI units, the equation becomes coherent and there is no dividing constant.
5139:
4986:
4948:
4882:
4556:
4515:
4480:
4418:
4332:
4136:
4131:
3085:
2737:
1975:
1869:
1471:
986:
196:
3617:
3168:
3070:
2826:"Directive 2009/3/EC of the European Parliament and of the Council of 11 March 2009"
5058:
5033:
4943:
4928:
4862:
4698:
4683:
4495:
4413:
4398:
4393:
4378:
4337:
4302:
4276:
4167:
4121:
4106:
3399:, vol. 44, Canberra: Commonwealth Bureau of Census and Statistics, p. 409
2551:
2540:
1994:
The French Navy used the same definition of nominal horse power as the Royal Navy.
1803:
1441:
1433:
1366:
1296:
395:
192:
140:
56:
46:
3186:
3009:
2846:
2558:
Z06. Certified power rose slightly from 500 to 505 hp (373 to 377 kW).
5073:
5053:
4933:
4867:
4841:
4800:
4736:
4726:
4721:
4716:
4668:
4663:
4658:
4594:
4530:
4485:
4408:
4383:
4317:
4307:
4256:
4182:
4172:
4162:
4157:
4152:
4086:
4081:
4076:
2755:
2666:
of 16 December 1980 is a
European Union standard for road vehicle engine power.
2462:
horsepower measurement standards and was another name for the industry standard
2409:
2405:
1891:
1488:
1421:
439:
407:
144:
60:
3997:
1953:
effective, true (thp) or commonly referred to as wheel horsepower (whp) equals
1005:
17:
5048:
5017:
4991:
4836:
4805:
4795:
4774:
4769:
4764:
4759:
4678:
4475:
4444:
4261:
4251:
4225:
4220:
4210:
4205:
4101:
2729:
2390:
1480:
447:
432:
224:
213:
136:
3478:
3301:
4963:
4887:
4846:
4423:
2682:
2425:
1896:
1359:
454:
442:, a healthy human can produce about 1.2 hp (0.89 kW) briefly (see
402:
had previously suggested 44,000 foot-pounds (59,656 J) per minute, and
3160:
1769:{\displaystyle \{P\}_{\mathrm {hp} }={\frac {4000\times 400}{375}}=4266.7.}
889:, is used to define the pound-force as well as the kilogram force, and the
3286:. The Council of the European Communities. 18 October 1971. Archived from
3152:
3062:
2872:
2623:, Technical Commission for Automobile Unification), a federated entity of
2533:/9002 certified facility and be witnessed by an SAE approved third party.
4958:
4790:
4428:
4342:
4297:
4246:
2686:
2530:
1244:
1082:
1014:
606:
421:
In 1993, R. D. Stevenson and R. J. Wassersug published correspondence in
3966:"JSA Web Store - JIS D 1001:1993 Road vehicles - Engine power test code"
1274:
is named for its French fiscal horsepower rating, "deux chevaux" (2CV).
4981:
4688:
4525:
4116:
3945:"ISO 9249:2007 - Earth-moving machinery - Engine test code - Net power"
3903:"ISO 4164:1978 - Road vehicles - Mopeds - Engine test code - Net power"
1477:
152:
167:
for measurement of power. With the implementation of the EU Directive
147:. It was later expanded to include the output power of other types of
4877:
4820:
4327:
4281:
4215:
4096:
3777:"Text of the 1958 Agreement, ECE Regulation 24, Revision 2, Annex 10"
3735:
3346:
3344:
3342:
3053:
3026:
2775:
2517:
2497:
2378:
1887:, hampering the potential power output and efficiency of the engine.
1680:{\displaystyle \{P\}_{\mathrm {hp} }={\frac {2025\times 5}{375}}=27.}
1022:
466:
64:
2728:
JIS D 1001 is a
Japanese net, and gross, engine power test code for
2719:
is an engine net power test code intended for earth moving machines.
3416:
The Balance of International Payments of the United States in 1922-
3264:(in German). Physikalisch-Technische Bundesanstalt (PTB). p. 6
2678:(ISO) publishes several standards for measuring engine horsepower.
4938:
4815:
4388:
4271:
4230:
3618:
Dictionary.com Unabridged, Random House Inc. Retrieved 2016-12-06.
2733:
2616:
1851:{\displaystyle {\text{RAC h.p.}}={\frac {D\times D\times n}{2.5}}}
1484:
1437:
1018:
1004:
982:
232:
178:
4002:
3664:
Aircraft performance: Reciprocating and turboprop engine aircraft
3446:"The RAC HP (horsepower) Rating - Was there any technical basis?"
1928:
or gross horsepower is the theoretical capability of the engine ;
231:
feet in one minute. Watt judged that the horse could pull with a
4872:
4810:
4731:
4693:
4673:
4653:
4322:
4266:
4177:
4126:
4091:
4071:
4056:
3882:"ISO 2534:1998 - Road vehicles - Engine test code - Gross power"
2463:
1270:
emissions, so are not directly comparable to older ratings. The
410:' could produce 32,400 foot-pounds per minute." James Watt and
164:
121:
4598:
4006:
3732:"Certified Power - SAE J1349 Certified Power SAE International"
3119:
Marks' Standard Handbook for Mechanical Engineers 11th Edition
1511:) is measured in miles per hour (mph), then the drawbar power (
1495:
coupled behind the locomotive keeps a continuous record of the
4953:
3861:"ISO 1585:1992 - Road vehicles - Engine test code - Net power"
2701:
is an engine gross power test code intended for road vehicles.
2578:
2496:
exhaust manifolds. This contrasts with both SAE net power and
1291:
Hydraulic horsepower can represent the power available within
3412:"Motor-Vehicle Taxation and Regulations in Foreign Countries"
2424:
Equivalent shaft horsepower (eshp) is sometimes used to rate
1798:
was kept in use by UK regulations, which used the rating for
1448:
The term "boiler horsepower" was originally developed at the
3924:"ISO 4106:2004 - Motorcycles - Engine test code - Net power"
2845:. University of Rochester History Department. Archived from
2695:
is an engine net power test code intended for road vehicles.
3799:"Tractor and machine comparison: what's the 'true' measure"
1690:
1445:
comparable to the horsepower of engines fed by the boiler.
3302:"Measurements, Units of Measurement, Weights and Measures"
3141:
International Journal of Sports Physiology and Performance
2713:
is an engine net power test code intended for motorcycles.
3677:
Heywood, J.B. "Internal Combustion Engine Fundamentals",
2752:â how much fuel an engine consumes per unit energy output
2452:
1085:
as the official power-measuring unit in EEC directives.
937:
1 ft ⥠0.3048 m and 1 lb ⥠0.45359237 kg
1420:
where pressure is in pascals (Pa), and flow rate is in
240:
128:
as in âCVâ or âPSâ which is approximately 735.5 watts.
3183:"Scientists Model "Extraordinary" Performance of Bolt"
2621:
Commissione Tecnica per l'Unificazione nell'Automobile
1088:
Other names for the metric horsepower are the Italian
435:
expended by other vertebrates for sustained activity.
3326:
Handbook of Electric Power Calculations Third Edition
2707:
is an engine net power test code intended for mopeds.
1815:
1717:
1628:
1523:
1385:
1311:
743:
625:
609:
value of (33,000 ftâ
lbf/min)/(2Ï rad/rev).
496:
245:
3185:. Institute of Physics. 26 July 2013. Archived from
1173:
1029:
The various units used to indicate this definition (
5156:
Customary units of measurement in the United States
5097:
5026:
5000:
4974:
4921:
4900:
4855:
4829:
4783:
4752:
4745:
4709:
4641:
4544:
4458:
4437:
4371:
4355:
4290:
4239:
4198:
4191:
4145:
4049:
3396:
Official Year Book of the Commonwealth of Australia
1073:
75 kg Ă 9.80665 m/s Ă 1 m / 1 s
87:
77:
72:
39:
3703:Corso di tecnica automobilistica, vol. 1âIl motore
3236:(Eleventh ed.). McGraw Hill. pp. 7â175.
1974:Nominal horsepower (nhp) is an early 19th-century
1850:
1768:
1679:
1610:
1409:
1347:
850:
723:
594:
379:
2442:Society of Automotive Engineers/SAE International
1001:Metric horsepower (PS, KM, cv, hk, pk, k, ks, ch)
131:The term was adopted in the late 18th century by
3564:
3562:
2000:Comparison of nominal and indicated horse power
1185:
1113:
3560:
3558:
3556:
3554:
3552:
3550:
3548:
3546:
3544:
3542:
2408:connected to the engine's output shaft. Modern
1507:) is measured in pounds-force (lbf) and speed (
1219:
1179:
1149:
3260:[List of units of measure in Germany]
2676:International Organization for Standardization
2670:International Organization for Standardization
1358:where pressure is in psi, and flow rate is in
1225:
1137:
4610:
4018:
3090:Iowa Agricultural Experiment Station Bulletin
1213:
1131:
1125:
1119:
1107:
1089:
8:
2965:
2963:
1725:
1718:
1636:
1629:
1582:
1575:
1558:
1551:
1531:
1524:
1231:
1191:
1167:
1161:
1143:
1101:
734:The constant 63,025 is the approximation of
695:
688:
660:
653:
633:
626:
566:
559:
531:
524:
504:
497:
3758:
3756:
3754:
3752:
3695:
3693:
3691:
3258:"Die gesetzlichen Einheiten in Deutschland"
3025:Stevenson, R. D.; Wassersug, R. J. (1993).
2910:. Cambridge University Press. p. 145.
2474:is the current successor of ALAM and NACC.
1197:
1155:
1095:
4749:
4617:
4603:
4595:
4195:
4025:
4011:
4003:
2586:
2453:§ RAC horsepower (taxable horsepower)
1996:
1295:, power through the down-hole nozzle of a
1283:purpose is defined as exactly 746 W.
223:Watt determined that a horse could turn a
45:
36:
3517:
3515:
3232:Croft, Terrell; Summers, Wilford (1987).
3052:
3020:
3018:
2970:Kirby, Richard Shelton (August 1, 1990).
2953:Kirby, Richard Shelton (August 1, 1990).
2550:under the new program was the 7.0 L
1925:
1824:
1816:
1814:
1742:
1729:
1728:
1716:
1653:
1640:
1639:
1627:
1586:
1585:
1562:
1561:
1548:
1535:
1534:
1522:
1402:
1394:
1386:
1384:
1331:
1323:
1320:
1312:
1310:
834:
829:
824:
821:
807:
786:
777:
763:
758:
753:
750:
742:
699:
698:
671:
664:
663:
650:
637:
636:
624:
570:
569:
542:
535:
534:
521:
508:
507:
495:
363:
355:
352:
335:
322:
309:
292:
283:
265:
252:
244:
120:as in âHPâ or âBHPâ which is about 745.7
3615:Oxford Dictionary. Retrieved 2016-12-06.
3513:
3511:
3509:
3507:
3505:
3503:
3501:
3499:
3497:
3495:
2761:European units of measurement directives
453:In 2023 a group of engineers modified a
3801:. Irish Farmers Journal. Archived from
2786:
1919:
487:, the resulting power in horsepower is
3993:How Much Horsepower Does a Horse Have?
3578:(2 ed.), John Murray, p. 520
3373:, Naval Institute Press, p. 503,
2830:Official Journal of the European Union
2598:
2582:
1077:
959:= 76.0402249068 Ă 9.80665 kgâ
m/s
235:of 180 pounds-force (800 N). So:
3084:Collins, E. V.; Caine, A. B. (1926).
2511:
2484:
2460:Society of Automotive Engineers (SAE)
1942:
1931:
7:
4635:Comparison with imperial unit system
3968:. Webstore.jsa.or.jp. Archived from
2810:"International System of Units" (SI)
2594:
2590:
2451:For the SAE horsepower formula, see
2382:
893:(1959), one imperial horsepower is:
185:East Lampeter Township, Pennsylvania
4043:Comparison with US customary system
2976:. Dover Publications. p. 171.
2724:Japanese Industrial Standard D 1001
1789:This measure was instituted by the
1779:RAC horsepower (taxable horsepower)
1476:Drawbar power (dbp) is the power a
975:= 745.69987158227022 W â 745.700 W
183:A team of six horses mowing hay in
27:Unit of power with different values
3634:aviation_dictionary.enacademic.com
3371:Elements of Applied Thermodynamics
2908:James Watt: Craftsman and Engineer
2647:Economic Commission for Europe R85
2634:Economic Commission for Europe R24
2472:Alliance for Automotive Innovation
2394:
1733:
1730:
1644:
1641:
1593:
1590:
1587:
1569:
1566:
1563:
1539:
1536:
1450:Philadelphia Centennial Exhibition
706:
703:
700:
682:
679:
676:
668:
665:
641:
638:
577:
574:
571:
553:
550:
547:
539:
536:
512:
509:
25:
5125:Footâpoundâsecond system of units
3590:"What is Brake Horsepower (BHP)?"
3117:Eugene A. Avallone et al., (ed),
1243:â
m/s standard, it was called the
3471:"The XK engine by Roger Bywater"
3369:McCain Johnston, Robert (1992),
2601:", derived from the German word
2566:a change in horsepower ratings.
3234:American Electrician's Handbook
3210:How Much Horsepower is a Horse?
3121:, Mc-Graw Hill, New York 2007,
3100:from the original on 2020-06-07
2750:Brake-specific fuel consumption
2509:In the United States, the term
891:international avoirdupois pound
4579:Footâpoundâsecond system (FPS)
3575:A Manual of Naval Architecture
2814:EncyclopĂŠdia Britannica Online
2798:EncyclopĂŠdia Britannica Online
2571:Deutsches Institut fĂŒr Normung
1899:. See, for example, the early
927:= 550 Ă 0.3048 Ă 0.45359237 mâ
1:
4626:United States customary units
3706:(in Italian) (6th ed.).
3630:"equivalent shaft horsepower"
2957:. Dover Publications. p. 171.
2896:. Dorling Kindersley. p. 121.
2871:. pballew.net. Archived from
3708:Ulrico Hoepli Editore S.p.A.
2740:, or fuel injection engine.
2008:Indicated horse power (ihp)
1872:) of the cylinder in inches,
875:(1901, CR 70) definition of
4584:Twenty-foot equivalent unit
3998:How Stuff Works: Horsepower
3700:Lucchesi, Domenico (2004).
3659:Department of the Air Force
2607:(literally, "horsepower").
2433:Engine power test standards
2334:
2331:
2328:
2314:
2311:
2308:
2294:
2291:
2288:
2274:
2271:
2268:
2254:
2251:
2248:
2234:
2231:
2228:
2214:
2211:
2208:
2194:
2191:
2188:
2174:
2171:
2168:
2154:
2151:
2148:
2134:
2131:
2128:
2114:
2111:
2108:
2094:
2091:
2088:
2074:
2071:
2068:
2054:
2051:
2048:
2034:
2031:
2028:
1878:is the number of cylinders.
1804:Kenya (British East Africa)
1142:, the Norwegian and Danish
1121:Đ»ĐŸŃĐ°ĐŽĐžĐœĐ°Ń ŃОла (Đ». Ń.)
212:The idea was later used by
32:Horsepower (disambiguation)
5177:
5018:Kilopounds per square inch
3764:Asians Oversell Horsepower
3428:
2756:Dynamometer engine testing
2450:
2320:
2300:
2280:
2260:
2240:
2220:
2200:
2180:
2160:
2140:
2120:
2100:
2080:
2060:
2040:
2020:
2011:Nominal horse power (nhp)
1782:
1469:
1258:
1013:is needed to lift 75
29:
5120:English Engineering Units
4632:
4574:English Engineering units
4040:
3797:Breen, Jim (2003-03-22).
3734:. Sae.org. Archived from
3213:. Donut. 24 November 2023
3027:"Horsepower from a horse"
2906:Dickenson, H. W. (2010).
2892:Hart-Davis, Adam (2012).
2869:"Math Words â horsepower"
2736:having a spark ignition,
2389:) used an engine without
1999:
1221:ĐșŃĐœŃŃĐșĐ° ŃОла (Đș. Ń.)
1220:
1186:
1180:
1120:
906:
904:⥠33,000 ft·lbf/min
605:The constant 5252 is the
139:to compare the output of
44:
5027:Other units and measures
4459:Other units and measures
3010:September 1912, page 394
1515:) in horsepower (hp) is
1483:has available to haul a
1302:It may be calculated as
989:â
m/s = 1 (kgâ
m/s)â
(m/s)
3526:, Conway, p. 188,
3522:Brown, David K (1990),
2832:. Retrieved 2013-02-15.
2816:. Retrieved 2012-06-24.
2800:. Retrieved 2012-06-24.
2771:Mean effective pressure
1436:'s capacity to deliver
1432:Boiler horsepower is a
944:= 76.0402249068 kg
440:human-powered equipment
191:The development of the
112:, or the rate at which
63:(30 cm) in 1
5013:Pounds per square inch
4450:Pounds per square inch
3352:"Hydraulic Horsepower"
3086:"Testing Draft Horses"
2973:Engineering in History
2955:Engineering in History
2625:standards organisation
2577:DIN 70020 is a German
2447:Early "SAE horsepower"
1852:
1770:
1681:
1612:
1503:If the drawbar force (
1411:
1349:
1232:
1226:
1214:
1192:
1174:
1172:), the Serbo-Croatian
1168:
1162:
1156:
1150:
1144:
1138:
1132:
1126:
1114:
1108:
1102:
1096:
1090:
1026:
852:
725:
596:
392:Engineering in History
381:
218:Newcomen steam engines
188:
4649:Thousandth of an inch
4062:Thousandth of an inch
3947:. Iso.org. 2011-03-17
3926:. Iso.org. 2009-06-26
3905:. Iso.org. 2009-10-07
3884:. Iso.org. 2009-03-31
3863:. Iso.org. 1999-11-15
3842:. Iso.org. 2007-09-30
3661:(November 30, 1961).
3410:Haynes, C.E. (1923),
3393:Carver, S.R. (1958),
3153:10.1123/ijspp.1.4.324
2587:mechanical horsepower
1853:
1791:Royal Automobile Club
1771:
1682:
1613:
1412:
1350:
1278:Electrical horsepower
1008:
853:
726:
597:
382:
182:
5089:Ton of refrigeration
5039:British thermal unit
4466:British thermal unit
3570:White, William Henry
3328:, McGraw Hill 2001,
3221:– via YouTube.
2843:"The Miner's Friend"
2383:SAE gross horsepower
2344:Indicated horsepower
2014:Ratio of ihp to nhp
1901:Chrysler Hemi engine
1868:is the diameter (or
1813:
1715:
1626:
1521:
1404:volumetric flow rate
1383:
1371:directional drilling
1333:volumetric flow rate
1309:
1287:Hydraulic horsepower
1247:and was abbreviated
1193:koĆ mechaniczny (KM)
914:= 550 ftâ
lbf/s
741:
623:
494:
243:
30:For other uses, see
5105:American wire gauge
5079:Pound-foot (torque)
5064:Foot-pound (energy)
3817:"ECE Regulation 85"
3524:Before the ironclad
3045:1993Natur.364..195S
2615:A test standard by
2593:rating, and unlike
2525:SAE certified power
1293:hydraulic machinery
1091:cavallo vapore (cv)
1061:) all translate to
968:= 9.80665 m/s
871:Assuming the third
867:Imperial horsepower
616:is in inch-pounds,
444:orders of magnitude
118:imperial horsepower
106:unit of measurement
73:General information
59:(250 kg) by 1
53:imperial horsepower
5115:Body jewelry sizes
5110:Avoirdupois system
4552:Avoirdupois system
3444:Hodgson, Richard.
2556:Chevrolet Corvette
2395:SAE net horsepower
1970:Nominal horsepower
1848:
1766:
1677:
1608:
1407:
1345:
1175:konjska snaga (KS)
1103:cheval-vapeur (ch)
1097:paardenkracht (pk)
1027:
848:
721:
592:
377:
201:The Miner's Friend
189:
143:with the power of
5133:
5132:
4896:
4895:
4592:
4591:
4351:
4350:
3594:ScienceStruck.com
3475:ClassicJaguar.com
3356:Oilfield Glossary
3324:H. Wayne Beatty,
3005:Popular Mechanics
2583:metric horsepower
2573:70020 (DIN 70020)
2554:used in the 2006
2385:, referred to as
2341:
2340:
1912:definition used.
1846:
1819:
1758:
1669:
1603:
1428:Boiler horsepower
1405:
1397:
1389:
1340:
1334:
1326:
1315:
1233:PferdestÀrke (PS)
1230:, and the German
1184:, the Macedonian
1115:cavalo-vapor (cv)
1011:metric horsepower
993:
992:
843:
842:
837:
827:
813:
810:
806:
794:
793:
790:
785:
772:
771:
766:
756:
749:
716:
587:
461:Calculating power
438:When considering
372:
371:
366:
358:
351:
341:
338:
334:
325:
321:
295:
291:
278:
260:
126:metric horsepower
95:
94:
16:(Redirected from
5168:
4750:
4619:
4612:
4605:
4596:
4196:
4027:
4020:
4013:
4004:
3981:
3980:
3978:
3977:
3962:
3956:
3955:
3953:
3952:
3941:
3935:
3934:
3932:
3931:
3920:
3914:
3913:
3911:
3910:
3899:
3893:
3892:
3890:
3889:
3878:
3872:
3871:
3869:
3868:
3857:
3851:
3850:
3848:
3847:
3836:
3830:
3829:
3827:
3826:
3821:
3813:
3807:
3806:
3794:
3788:
3787:
3781:
3773:
3767:
3760:
3747:
3746:
3744:
3743:
3728:
3722:
3721:
3697:
3686:
3675:
3669:
3668:
3667:. pp. 7â36.
3655:
3649:
3648:
3646:
3645:
3636:. Archived from
3626:
3620:
3612:
3606:
3605:
3603:
3601:
3586:
3580:
3579:
3566:
3537:
3536:
3519:
3490:
3489:
3487:
3486:
3477:. Archived from
3466:
3460:
3459:
3457:
3456:
3450:WolfHound.org.uk
3441:
3435:
3426:
3420:
3419:
3407:
3401:
3400:
3390:
3384:
3383:
3366:
3360:
3359:
3348:
3337:
3322:
3316:
3315:
3313:
3312:
3298:
3292:
3291:
3280:
3274:
3273:
3271:
3269:
3263:
3254:
3248:
3247:
3229:
3223:
3222:
3220:
3218:
3205:
3199:
3198:
3196:
3194:
3179:
3173:
3172:
3136:
3130:
3115:
3109:
3108:
3106:
3105:
3081:
3075:
3074:
3056:
3054:10.1038/364195a0
3022:
3013:
3001:
2995:
2994:
2992:
2990:
2967:
2958:
2951:
2945:
2944:
2940:
2938:
2937:
2934:
2931:
2927:
2903:
2897:
2890:
2884:
2883:
2881:
2880:
2865:
2859:
2858:
2856:
2854:
2839:
2833:
2823:
2817:
2807:
2801:
2791:
2416:Shaft horsepower
2368:Brake horsepower
2363:Brake horsepower
2352:engine indicator
1997:
1885:rotational speed
1857:
1855:
1854:
1849:
1847:
1842:
1825:
1820:
1817:
1775:
1773:
1772:
1767:
1759:
1754:
1743:
1738:
1737:
1736:
1702:
1686:
1684:
1683:
1678:
1670:
1665:
1654:
1649:
1648:
1647:
1617:
1615:
1614:
1609:
1604:
1599:
1598:
1597:
1596:
1574:
1573:
1572:
1549:
1544:
1543:
1542:
1514:
1510:
1506:
1424:per second (m).
1416:
1414:
1413:
1408:
1406:
1403:
1398:
1395:
1390:
1387:
1354:
1352:
1351:
1346:
1341:
1336:
1335:
1332:
1327:
1324:
1321:
1316:
1313:
1235:
1229:
1223:
1222:
1218:, the Ukrainian
1217:
1215:konjska moÄ (KM)
1211:
1208:
1207:mechanical horse
1205:
1202:
1199:
1195:
1189:
1188:
1187:ĐșĐŸŃŃĐșĐ° ŃОла (KC)
1183:
1182:
1178:, the Bulgarian
1177:
1171:
1165:
1159:
1153:
1148:, the Hungarian
1147:
1141:
1135:
1129:
1123:
1122:
1117:
1111:
1109:caballo de vapor
1105:
1099:
1093:
1079:
1074:
898:
897:
888:
877:standard gravity
857:
855:
854:
849:
844:
840:
839:
838:
835:
833:
828:
825:
822:
814:
812:
811:
808:
804:
796:
795:
791:
788:
787:
783:
778:
773:
769:
768:
767:
764:
762:
757:
754:
751:
747:
730:
728:
727:
722:
717:
712:
711:
710:
709:
687:
686:
685:
675:
651:
646:
645:
644:
615:
601:
599:
598:
593:
588:
583:
582:
581:
580:
558:
557:
556:
546:
522:
517:
516:
515:
482:
478:rotational speed
471:
400:John Desaguliers
387:
384:
383:
378:
373:
369:
368:
367:
364:
359:
356:
353:
349:
342:
340:
339:
336:
332:
327:
326:
323:
319:
296:
293:
289:
284:
279:
274:
266:
261:
253:
230:
49:
37:
21:
5176:
5175:
5171:
5170:
5169:
5167:
5166:
5165:
5136:
5135:
5134:
5129:
5098:Related systems
5093:
5022:
5008:Inch of mercury
4996:
4970:
4917:
4908:Feet per second
4892:
4851:
4825:
4779:
4741:
4705:
4637:
4628:
4623:
4593:
4588:
4545:Related systems
4540:
4506:Horsepower-hour
4454:
4433:
4367:
4347:
4286:
4235:
4187:
4141:
4045:
4036:
4031:
3989:
3984:
3975:
3973:
3964:
3963:
3959:
3950:
3948:
3943:
3942:
3938:
3929:
3927:
3922:
3921:
3917:
3908:
3906:
3901:
3900:
3896:
3887:
3885:
3880:
3879:
3875:
3866:
3864:
3859:
3858:
3854:
3845:
3843:
3838:
3837:
3833:
3824:
3822:
3819:
3815:
3814:
3810:
3796:
3795:
3791:
3779:
3775:
3774:
3770:
3761:
3750:
3741:
3739:
3730:
3729:
3725:
3718:
3699:
3698:
3689:
3676:
3672:
3657:
3656:
3652:
3643:
3641:
3628:
3627:
3623:
3613:
3609:
3599:
3597:
3588:
3587:
3583:
3568:
3567:
3540:
3534:
3521:
3520:
3493:
3484:
3482:
3468:
3467:
3463:
3454:
3452:
3443:
3442:
3438:
3427:
3423:
3409:
3408:
3404:
3392:
3391:
3387:
3381:
3368:
3367:
3363:
3358:. Schlumberger.
3350:
3349:
3340:
3323:
3319:
3310:
3308:
3300:
3299:
3295:
3282:
3281:
3277:
3267:
3265:
3261:
3256:
3255:
3251:
3244:
3231:
3230:
3226:
3216:
3214:
3207:
3206:
3202:
3192:
3190:
3189:on 9 March 2016
3181:
3180:
3176:
3138:
3137:
3133:
3116:
3112:
3103:
3101:
3083:
3082:
3078:
3024:
3023:
3016:
3002:
2998:
2988:
2986:
2984:
2969:
2968:
2961:
2952:
2948:
2935:
2932:
2929:
2928:
2925:
2923:
2918:
2905:
2904:
2900:
2891:
2887:
2878:
2876:
2867:
2866:
2862:
2852:
2850:
2849:on May 11, 2009
2841:
2840:
2836:
2824:
2820:
2808:
2804:
2792:
2788:
2784:
2766:Horsepower-hour
2746:
2726:
2672:
2661:
2649:
2636:
2613:
2595:SAE gross power
2575:
2527:
2507:
2492:in lieu of the
2480:
2478:SAE gross power
2456:
2449:
2444:
2435:
2418:
2377:In Europe, the
2365:
2346:
1972:
1909:
1826:
1811:
1810:
1787:
1781:
1744:
1724:
1713:
1712:
1694:
1655:
1635:
1624:
1623:
1581:
1557:
1550:
1530:
1519:
1518:
1512:
1508:
1504:
1493:dynamometer car
1474:
1468:
1430:
1388:hydraulic power
1381:
1380:
1322:
1314:hydraulic power
1307:
1306:
1289:
1280:
1269:
1263:
1257:
1227:cal-putere (CP)
1224:, the Romanian
1209:
1206:
1203:
1200:
1145:hestekraft (hk)
1136:, the Estonian
1133:hevosvoima (hv)
1112:and Portuguese
1072:
1003:
947:
886:
880:
869:
864:
823:
797:
779:
752:
739:
738:
694:
659:
652:
632:
621:
620:
613:
565:
530:
523:
503:
492:
491:
480:
469:
463:
429:Iowa State Fair
412:Matthew Boulton
404:Thomas Tredgold
354:
328:
285:
267:
241:
239:
228:
177:
157:electric motors
68:
35:
28:
23:
22:
18:Shafthorsepower
15:
12:
11:
5:
5174:
5172:
5164:
5163:
5158:
5153:
5151:Units of power
5148:
5146:Imperial units
5138:
5137:
5131:
5130:
5128:
5127:
5122:
5117:
5112:
5107:
5101:
5099:
5095:
5094:
5092:
5091:
5086:
5084:Spinning count
5081:
5076:
5071:
5066:
5061:
5056:
5051:
5046:
5044:Degree (angle)
5041:
5036:
5030:
5028:
5024:
5023:
5021:
5020:
5015:
5010:
5004:
5002:
4998:
4997:
4995:
4994:
4989:
4984:
4978:
4976:
4972:
4971:
4969:
4968:
4967:
4966:
4961:
4951:
4946:
4941:
4936:
4931:
4925:
4923:
4919:
4918:
4916:
4915:
4913:Miles per hour
4910:
4904:
4902:
4898:
4897:
4894:
4893:
4891:
4890:
4885:
4880:
4875:
4870:
4865:
4859:
4857:
4853:
4852:
4850:
4849:
4844:
4839:
4833:
4831:
4827:
4826:
4824:
4823:
4818:
4813:
4808:
4803:
4798:
4793:
4787:
4785:
4781:
4780:
4778:
4777:
4772:
4767:
4762:
4756:
4754:
4747:
4743:
4742:
4740:
4739:
4734:
4729:
4724:
4719:
4713:
4711:
4707:
4706:
4704:
4703:
4702:
4701:
4691:
4686:
4681:
4676:
4671:
4666:
4661:
4656:
4651:
4645:
4643:
4639:
4638:
4633:
4630:
4629:
4624:
4622:
4621:
4614:
4607:
4599:
4590:
4589:
4587:
4586:
4581:
4576:
4571:
4570:
4569:
4564:
4554:
4548:
4546:
4542:
4541:
4539:
4538:
4536:Spinning count
4533:
4528:
4523:
4518:
4513:
4508:
4503:
4498:
4493:
4488:
4483:
4478:
4473:
4468:
4462:
4460:
4456:
4455:
4453:
4452:
4447:
4441:
4439:
4435:
4434:
4432:
4431:
4426:
4421:
4416:
4411:
4406:
4401:
4396:
4391:
4386:
4381:
4375:
4373:
4369:
4368:
4366:
4365:
4363:Miles per hour
4359:
4357:
4353:
4352:
4349:
4348:
4346:
4345:
4340:
4335:
4330:
4325:
4320:
4315:
4310:
4305:
4300:
4294:
4292:
4288:
4287:
4285:
4284:
4279:
4274:
4269:
4264:
4259:
4254:
4249:
4243:
4241:
4237:
4236:
4234:
4233:
4228:
4223:
4218:
4213:
4208:
4202:
4200:
4193:
4189:
4188:
4186:
4185:
4180:
4175:
4170:
4165:
4160:
4155:
4149:
4147:
4143:
4142:
4140:
4139:
4134:
4129:
4124:
4119:
4114:
4112:Gunter's chain
4109:
4104:
4099:
4094:
4089:
4084:
4079:
4074:
4069:
4064:
4059:
4053:
4051:
4047:
4046:
4041:
4038:
4037:
4034:Imperial units
4032:
4030:
4029:
4022:
4015:
4007:
4001:
4000:
3995:
3988:
3987:External links
3985:
3983:
3982:
3957:
3936:
3915:
3894:
3873:
3852:
3831:
3808:
3805:on 2003-04-06.
3789:
3768:
3766:, Detroit News
3762:Jeff Plungis,
3748:
3723:
3716:
3687:
3670:
3650:
3621:
3607:
3581:
3538:
3532:
3491:
3461:
3436:
3421:
3402:
3385:
3379:
3361:
3338:
3317:
3306:numericana.com
3293:
3290:on 2021-03-06.
3275:
3249:
3242:
3224:
3200:
3174:
3147:(4): 324â325.
3131:
3110:
3076:
3014:
2996:
2982:
2959:
2946:
2916:
2898:
2885:
2860:
2834:
2818:
2802:
2785:
2783:
2780:
2779:
2778:
2773:
2768:
2763:
2758:
2753:
2745:
2742:
2725:
2722:
2721:
2720:
2714:
2708:
2702:
2696:
2690:
2671:
2668:
2660:
2657:
2648:
2645:
2635:
2632:
2612:
2609:
2574:
2568:
2526:
2523:
2506:
2503:
2479:
2476:
2448:
2445:
2443:
2440:
2434:
2431:
2417:
2414:
2364:
2361:
2345:
2342:
2339:
2338:
2336:
2333:
2330:
2327:
2319:
2318:
2316:
2313:
2310:
2307:
2299:
2298:
2296:
2293:
2290:
2287:
2279:
2278:
2276:
2273:
2270:
2267:
2259:
2258:
2256:
2253:
2250:
2247:
2239:
2238:
2236:
2233:
2230:
2227:
2219:
2218:
2216:
2213:
2210:
2207:
2199:
2198:
2196:
2193:
2190:
2187:
2179:
2178:
2176:
2173:
2170:
2167:
2159:
2158:
2156:
2153:
2150:
2147:
2139:
2138:
2136:
2133:
2130:
2127:
2119:
2118:
2116:
2113:
2110:
2107:
2099:
2098:
2096:
2093:
2090:
2087:
2079:
2078:
2076:
2073:
2070:
2067:
2059:
2058:
2056:
2053:
2050:
2047:
2039:
2038:
2036:
2033:
2030:
2027:
2019:
2018:
2015:
2012:
2009:
2006:
2002:
2001:
1971:
1968:
1960:
1959:
1958:
1957:
1951:
1950:
1949:
1940:
1939:
1938:
1929:
1923:
1908:
1905:
1880:
1879:
1873:
1859:
1858:
1845:
1841:
1838:
1835:
1832:
1829:
1823:
1785:Tax horsepower
1780:
1777:
1765:
1762:
1757:
1753:
1750:
1747:
1741:
1735:
1732:
1727:
1723:
1720:
1676:
1673:
1668:
1664:
1661:
1658:
1652:
1646:
1643:
1638:
1634:
1631:
1607:
1602:
1595:
1592:
1589:
1584:
1580:
1577:
1571:
1568:
1565:
1560:
1556:
1553:
1547:
1541:
1538:
1533:
1529:
1526:
1467:
1464:
1429:
1426:
1418:
1417:
1401:
1393:
1356:
1355:
1344:
1339:
1330:
1319:
1288:
1285:
1279:
1276:
1267:
1261:Tax horsepower
1259:Main article:
1256:
1255:Tax horsepower
1253:
1163:konskĂĄ sila (k
1130:, the Finnish
1127:hÀstkraft (hk)
1124:, the Swedish
1118:, the Russian
1106:, the Spanish
1002:
999:
995:
994:
991:
990:
979:
976:
973:
970:
969:
963:
960:
957:
954:
953:
951:
949:
945:
942:
939:
938:
935:
932:
925:
922:
921:
918:
915:
912:
909:
908:
907:by definition
905:
902:
884:
868:
865:
863:
860:
859:
858:
847:
832:
820:
817:
803:
800:
782:
776:
761:
746:
732:
731:
720:
715:
708:
705:
702:
697:
693:
690:
684:
681:
678:
674:
670:
667:
662:
658:
655:
649:
643:
640:
635:
631:
628:
603:
602:
591:
586:
579:
576:
573:
568:
564:
561:
555:
552:
549:
545:
541:
538:
533:
529:
526:
520:
514:
511:
506:
502:
499:
462:
459:
394:recounts that
389:
388:
376:
362:
348:
345:
331:
318:
315:
312:
308:
305:
302:
299:
288:
282:
277:
273:
270:
264:
259:
256:
251:
248:
210:
209:
176:
173:
149:piston engines
93:
92:
89:
85:
84:
79:
75:
74:
70:
69:
50:
42:
41:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
5173:
5162:
5159:
5157:
5154:
5152:
5149:
5147:
5144:
5143:
5141:
5126:
5123:
5121:
5118:
5116:
5113:
5111:
5108:
5106:
5103:
5102:
5100:
5096:
5090:
5087:
5085:
5082:
5080:
5077:
5075:
5072:
5070:
5067:
5065:
5062:
5060:
5057:
5055:
5052:
5050:
5047:
5045:
5042:
5040:
5037:
5035:
5032:
5031:
5029:
5025:
5019:
5016:
5014:
5011:
5009:
5006:
5005:
5003:
4999:
4993:
4990:
4988:
4985:
4983:
4980:
4979:
4977:
4973:
4965:
4962:
4960:
4957:
4956:
4955:
4952:
4950:
4949:Hundredweight
4947:
4945:
4942:
4940:
4937:
4935:
4932:
4930:
4927:
4926:
4924:
4920:
4914:
4911:
4909:
4906:
4905:
4903:
4899:
4889:
4886:
4884:
4881:
4879:
4876:
4874:
4871:
4869:
4866:
4864:
4861:
4860:
4858:
4854:
4848:
4845:
4843:
4840:
4838:
4835:
4834:
4832:
4828:
4822:
4819:
4817:
4814:
4812:
4809:
4807:
4804:
4802:
4799:
4797:
4794:
4792:
4789:
4788:
4786:
4782:
4776:
4773:
4771:
4768:
4766:
4763:
4761:
4758:
4757:
4755:
4751:
4748:
4744:
4738:
4735:
4733:
4730:
4728:
4725:
4723:
4720:
4718:
4715:
4714:
4712:
4708:
4700:
4697:
4696:
4695:
4692:
4690:
4687:
4685:
4682:
4680:
4677:
4675:
4672:
4670:
4667:
4665:
4662:
4660:
4657:
4655:
4652:
4650:
4647:
4646:
4644:
4640:
4636:
4631:
4627:
4620:
4615:
4613:
4608:
4606:
4601:
4600:
4597:
4585:
4582:
4580:
4577:
4575:
4572:
4568:
4565:
4563:
4560:
4559:
4558:
4557:English units
4555:
4553:
4550:
4549:
4547:
4543:
4537:
4534:
4532:
4529:
4527:
4524:
4522:
4519:
4517:
4516:Pound (force)
4514:
4512:
4509:
4507:
4504:
4502:
4499:
4497:
4494:
4492:
4489:
4487:
4484:
4482:
4479:
4477:
4474:
4472:
4469:
4467:
4464:
4463:
4461:
4457:
4451:
4448:
4446:
4443:
4442:
4440:
4436:
4430:
4427:
4425:
4422:
4420:
4419:Hundredweight
4417:
4415:
4412:
4410:
4407:
4405:
4402:
4400:
4397:
4395:
4392:
4390:
4387:
4385:
4382:
4380:
4377:
4376:
4374:
4370:
4364:
4361:
4360:
4358:
4354:
4344:
4341:
4339:
4336:
4334:
4331:
4329:
4326:
4324:
4321:
4319:
4316:
4314:
4313:Fluid Scruple
4311:
4309:
4306:
4304:
4301:
4299:
4296:
4295:
4293:
4289:
4283:
4280:
4278:
4275:
4273:
4270:
4268:
4265:
4263:
4260:
4258:
4255:
4253:
4250:
4248:
4245:
4244:
4242:
4238:
4232:
4229:
4227:
4224:
4222:
4219:
4217:
4214:
4212:
4209:
4207:
4204:
4203:
4201:
4197:
4194:
4190:
4184:
4181:
4179:
4176:
4174:
4171:
4169:
4166:
4164:
4161:
4159:
4156:
4154:
4151:
4150:
4148:
4144:
4138:
4135:
4133:
4132:Nautical mile
4130:
4128:
4125:
4123:
4120:
4118:
4115:
4113:
4110:
4108:
4105:
4103:
4100:
4098:
4095:
4093:
4090:
4088:
4085:
4083:
4080:
4078:
4075:
4073:
4070:
4068:
4065:
4063:
4060:
4058:
4055:
4054:
4052:
4048:
4044:
4039:
4035:
4028:
4023:
4021:
4016:
4014:
4009:
4008:
4005:
3999:
3996:
3994:
3991:
3990:
3986:
3972:on 2011-07-22
3971:
3967:
3961:
3958:
3946:
3940:
3937:
3925:
3919:
3916:
3904:
3898:
3895:
3883:
3877:
3874:
3862:
3856:
3853:
3841:
3835:
3832:
3818:
3812:
3809:
3804:
3800:
3793:
3790:
3785:
3784:www.unece.org
3778:
3772:
3769:
3765:
3759:
3757:
3755:
3753:
3749:
3738:on 2011-07-28
3737:
3733:
3727:
3724:
3719:
3717:88-203-1493-2
3713:
3710:p. 550.
3709:
3705:
3704:
3696:
3694:
3692:
3688:
3684:
3683:0-07-100499-8
3680:
3674:
3671:
3666:
3665:
3660:
3654:
3651:
3640:on 2018-01-17
3639:
3635:
3631:
3625:
3622:
3619:
3616:
3611:
3608:
3595:
3591:
3585:
3582:
3577:
3576:
3571:
3565:
3563:
3561:
3559:
3557:
3555:
3553:
3551:
3549:
3547:
3545:
3543:
3539:
3535:
3529:
3525:
3518:
3516:
3514:
3512:
3510:
3508:
3506:
3504:
3502:
3500:
3498:
3496:
3492:
3481:on 2010-02-23
3480:
3476:
3472:
3469:Mooney, Dan.
3465:
3462:
3451:
3447:
3440:
3437:
3434:
3430:
3425:
3422:
3417:
3413:
3406:
3403:
3398:
3397:
3389:
3386:
3382:
3376:
3372:
3365:
3362:
3357:
3353:
3347:
3345:
3343:
3339:
3335:
3334:0-07-136298-3
3331:
3327:
3321:
3318:
3307:
3303:
3297:
3294:
3289:
3285:
3279:
3276:
3259:
3253:
3250:
3245:
3243:0-07-013932-6
3239:
3235:
3228:
3225:
3212:
3211:
3204:
3201:
3188:
3184:
3178:
3175:
3170:
3166:
3162:
3158:
3154:
3150:
3146:
3142:
3135:
3132:
3128:
3127:0-07-142867-4
3124:
3120:
3114:
3111:
3099:
3095:
3091:
3087:
3080:
3077:
3072:
3068:
3064:
3060:
3055:
3050:
3046:
3042:
3039:(6434): 195.
3038:
3034:
3033:
3028:
3021:
3019:
3015:
3011:
3007:
3006:
3000:
2997:
2985:
2983:0-486-26412-2
2979:
2975:
2974:
2966:
2964:
2960:
2956:
2950:
2947:
2943:
2919:
2917:9781108012232
2913:
2909:
2902:
2899:
2895:
2889:
2886:
2875:on 2018-09-20
2874:
2870:
2864:
2861:
2848:
2844:
2838:
2835:
2831:
2827:
2822:
2819:
2815:
2811:
2806:
2803:
2799:
2795:
2790:
2787:
2781:
2777:
2774:
2772:
2769:
2767:
2764:
2762:
2759:
2757:
2754:
2751:
2748:
2747:
2743:
2741:
2739:
2738:diesel engine
2735:
2731:
2723:
2718:
2715:
2712:
2709:
2706:
2703:
2700:
2697:
2694:
2691:
2688:
2684:
2681:
2680:
2679:
2677:
2669:
2667:
2665:
2658:
2656:
2654:
2651:ECE R85 is a
2646:
2644:
2641:
2638:ECE R24 is a
2633:
2631:
2629:
2626:
2622:
2618:
2610:
2608:
2606:
2605:
2600:
2596:
2592:
2591:SAE net power
2589:. Similar to
2588:
2584:
2580:
2572:
2569:
2567:
2563:
2559:
2557:
2553:
2548:
2547:
2542:
2539:
2534:
2532:
2524:
2522:
2519:
2514:
2513:
2505:SAE net power
2504:
2502:
2499:
2495:
2491:
2487:
2486:
2477:
2475:
2473:
2469:
2465:
2461:
2454:
2446:
2441:
2439:
2432:
2430:
2427:
2422:
2415:
2413:
2411:
2407:
2402:
2398:
2396:
2392:
2388:
2384:
2380:
2375:
2373:
2369:
2362:
2360:
2356:
2354:
2353:
2343:
2337:
2326:
2325:
2321:
2317:
2306:
2305:
2301:
2297:
2286:
2285:
2281:
2277:
2266:
2265:
2261:
2257:
2246:
2245:
2241:
2237:
2226:
2225:
2221:
2217:
2206:
2205:
2201:
2197:
2186:
2185:
2181:
2177:
2166:
2165:
2161:
2157:
2146:
2145:
2141:
2137:
2126:
2125:
2121:
2117:
2106:
2105:
2101:
2097:
2086:
2085:
2081:
2077:
2066:
2065:
2061:
2057:
2046:
2045:
2041:
2037:
2026:
2025:
2021:
2016:
2013:
2010:
2007:
2004:
2003:
1998:
1995:
1992:
1988:
1985:
1982:
1979:
1977:
1976:rule of thumb
1969:
1967:
1963:
1955:
1954:
1952:
1947:
1946:
1944:
1941:
1936:
1935:
1933:
1930:
1927:
1924:
1921:
1918:
1917:
1916:
1913:
1906:
1904:
1902:
1898:
1893:
1888:
1886:
1877:
1874:
1871:
1867:
1864:
1863:
1862:
1843:
1839:
1836:
1833:
1830:
1827:
1821:
1809:
1808:
1807:
1805:
1801:
1795:
1792:
1786:
1778:
1776:
1763:
1760:
1755:
1751:
1748:
1745:
1739:
1721:
1710:
1707:
1704:
1701:
1697:
1692:
1687:
1674:
1671:
1666:
1662:
1659:
1656:
1650:
1632:
1621:
1618:
1605:
1600:
1578:
1554:
1545:
1527:
1516:
1501:
1498:
1494:
1490:
1486:
1482:
1479:
1473:
1472:Power at rail
1466:Drawbar power
1465:
1463:
1459:
1456:
1451:
1446:
1443:
1439:
1435:
1427:
1425:
1423:
1399:
1391:
1379:
1378:
1377:
1374:
1372:
1368:
1363:
1361:
1342:
1337:
1328:
1317:
1305:
1304:
1303:
1300:
1298:
1294:
1286:
1284:
1277:
1275:
1273:
1262:
1254:
1252:
1250:
1246:
1242:
1237:
1234:
1228:
1216:
1212:), Slovenian
1194:
1190:, the Polish
1176:
1170:
1164:
1158:
1152:
1146:
1140:
1139:hobujÔud (hj)
1134:
1128:
1116:
1110:
1104:
1100:, the French
1098:
1092:
1086:
1084:
1080:
1070:
1066:
1064:
1060:
1056:
1052:
1048:
1044:
1040:
1036:
1032:
1024:
1020:
1016:
1012:
1007:
1000:
998:
988:
984:
980:
977:
974:
972:
971:
967:
964:
961:
958:
956:
955:
952:
950:
943:
941:
940:
936:
933:
930:
926:
924:
923:
920:1 min = 60 s
919:
916:
913:
911:
910:
903:
900:
899:
896:
895:
894:
892:
887:= 9.80665 m/s
883:
878:
874:
866:
861:
845:
830:
818:
815:
801:
798:
780:
774:
759:
744:
737:
736:
735:
718:
713:
691:
672:
656:
647:
629:
619:
618:
617:
610:
608:
589:
584:
562:
543:
527:
518:
500:
490:
489:
488:
486:
479:
475:
468:
460:
458:
456:
451:
449:
445:
441:
436:
434:
430:
426:
425:
419:
415:
413:
409:
408:brewery horse
405:
401:
397:
393:
386:
374:
360:
346:
343:
329:
316:
313:
310:
306:
303:
300:
297:
286:
280:
275:
271:
268:
262:
257:
254:
249:
246:
238:
237:
236:
234:
229:2.4 Ă 2Ï Ă 12
226:
221:
219:
215:
206:
205:
204:
202:
198:
197:Thomas Savery
194:
186:
181:
174:
172:
170:
166:
162:
158:
154:
151:, as well as
150:
146:
142:
141:steam engines
138:
134:
129:
127:
123:
119:
115:
111:
107:
103:
99:
90:
86:
83:
80:
76:
71:
66:
62:
58:
54:
48:
43:
38:
33:
19:
5068:
5059:Foot-lambert
5034:Bolt (cloth)
4500:
4496:Foot-poundal
4414:Long hundred
4394:Pound (mass)
4318:Fluid Drachm
4277:Trade gallon
3974:. Retrieved
3970:the original
3960:
3949:. Retrieved
3939:
3928:. Retrieved
3918:
3907:. Retrieved
3897:
3886:. Retrieved
3876:
3865:. Retrieved
3855:
3844:. Retrieved
3834:
3823:. Retrieved
3811:
3803:the original
3792:
3783:
3771:
3763:
3740:. Retrieved
3736:the original
3726:
3702:
3673:
3663:
3653:
3642:. Retrieved
3638:the original
3633:
3624:
3610:
3600:26 September
3598:. Retrieved
3593:
3584:
3574:
3523:
3483:. Retrieved
3479:the original
3474:
3464:
3453:. Retrieved
3449:
3439:
3424:
3415:
3405:
3395:
3388:
3370:
3364:
3355:
3325:
3320:
3309:. Retrieved
3305:
3296:
3288:the original
3278:
3266:. Retrieved
3252:
3233:
3227:
3215:. Retrieved
3209:
3203:
3191:. Retrieved
3187:the original
3177:
3144:
3140:
3134:
3118:
3113:
3102:. Retrieved
3093:
3089:
3079:
3036:
3030:
3003:
2999:
2987:. Retrieved
2972:
2954:
2949:
2942:calculation.
2921:
2907:
2901:
2893:
2888:
2877:. Retrieved
2873:the original
2863:
2851:. Retrieved
2847:the original
2837:
2829:
2821:
2813:
2805:
2797:
2794:"Horsepower"
2789:
2727:
2673:
2662:
2650:
2637:
2620:
2614:
2604:PferdestÀrke
2603:
2602:
2585:rather than
2576:
2570:
2564:
2560:
2544:
2535:
2528:
2510:
2508:
2483:
2481:
2457:
2436:
2423:
2419:
2410:dynamometers
2400:
2399:
2386:
2376:
2371:
2367:
2366:
2357:
2350:
2347:
2323:
2303:
2283:
2263:
2243:
2223:
2203:
2183:
2163:
2143:
2123:
2103:
2083:
2064:Rhadamanthus
2063:
2043:
2023:
1993:
1989:
1986:
1983:
1980:
1973:
1964:
1961:
1915:In general:
1914:
1910:
1889:
1881:
1875:
1865:
1860:
1800:tax purposes
1796:
1788:
1711:
1708:
1705:
1699:
1695:
1688:
1622:
1619:
1517:
1502:
1475:
1460:
1447:
1442:steam engine
1431:
1422:cubic metres
1419:
1375:
1364:
1362:per minute.
1357:
1301:
1297:drilling rig
1290:
1281:
1264:
1248:
1238:
1154:, the Czech
1087:
1067:
1062:
1058:
1054:
1050:
1046:
1042:
1038:
1034:
1030:
1028:
1010:
996:
965:
881:
870:
733:
612:When torque
611:
604:
464:
452:
437:
422:
420:
416:
396:John Smeaton
391:
390:
222:
211:
200:
193:steam engine
190:
145:draft horses
130:
125:
117:
101:
97:
96:
78:Unit of
52:
5054:Foot-candle
4987:Pound-force
4801:Fluid ounce
4737:Square mile
4727:Square yard
4722:Square foot
4717:Square inch
4486:Foot-candle
4257:Fluid ounce
4183:Square mile
4163:Square yard
4158:Square foot
4153:Square inch
3596:. June 2009
3336:, page 6-14
3268:13 November
3217:30 November
3193:15 December
3129:, page 9-4.
3096:: 193â223.
2730:automobiles
2664:80/1269/EEC
2659:80/1269/EEC
2653:UN standard
2640:UN standard
2543:3.0 L
2406:Prony brake
2284:Bellerophon
1907:Measurement
1489:railway car
1272:Citroën 2CV
1181:ĐșĐŸĐœŃĐșĐ° ŃОла
1160:and Slovak
1157:koĆskĂĄ sĂla
1063:horse power
862:Definitions
5161:James Watt
5140:Categories
5069:Horsepower
5049:Fahrenheit
4837:Board foot
4796:Tablespoon
4775:Cubic mile
4770:Cubic yard
4765:Cubic foot
4760:Cubic inch
4562:Winchester
4521:Pound-foot
4501:Horsepower
4491:Foot-pound
4476:Fahrenheit
4252:Tablespoon
4226:Cubic mile
4221:Cubic yard
4211:Cubic foot
4206:Cubic inch
4067:Barleycorn
3976:2011-07-18
3951:2011-07-18
3930:2011-07-18
3909:2011-07-18
3888:2011-07-18
3867:2011-07-18
3846:2011-07-18
3825:2011-07-18
3742:2011-07-18
3644:2018-01-17
3533:0851775322
3485:2010-03-13
3455:2007-08-11
3380:1557502269
3311:2011-07-18
3104:2021-09-06
2879:2007-08-11
2782:References
2391:alternator
1897:V8 engines
1783:See also:
1481:locomotive
1470:See also:
1360:US gallons
1151:lĂłerĆ (LE)
1075:= 75
1021:in 1
1017:by 1
901:1 hp
474:pound-foot
448:Usain Bolt
433:basal rate
225:mill wheel
214:James Watt
169:80/181/EEC
137:James Watt
124:, and the
98:Horsepower
55:lifts 550
40:Horsepower
4888:Acre-foot
4847:Face cord
4567:Exchequer
4424:Ship load
3685:, page 54
2894:Engineers
2683:ISO 14396
2518:DIN 70020
2498:DIN 70020
2426:turboprop
2379:DIN 70020
2264:Agincourt
2104:Porcupine
1926:indicated
1837:×
1831:×
1749:×
1660:×
1491:called a
1400:×
1329:×
1015:kilograms
831:⋅
816:≈
802:π
775:×
760:⋅
673:⋅
544:⋅
455:dynometer
361:⋅
314:×
311:π
304:×
298:×
199:wrote in
135:engineer
5001:Pressure
4791:Teaspoon
4438:Pressure
4343:Hogshead
4298:Chaldron
4247:Teaspoon
3572:(1882),
3169:13301088
3161:19124890
3098:Archived
3071:23314938
2989:June 13,
2924:2
2853:July 21,
2744:See also
2717:ISO 9249
2711:ISO 4106
2705:ISO 4164
2699:ISO 2534
2693:ISO 1585
2687:ISO 8178
2538:Toyota's
2531:ISO 9000
2324:Penelope
2164:Spiteful
2144:Spitfire
2084:Albacore
1892:Jaguar's
1818:RAC h.p.
1396:pressure
1325:pressure
1245:poncelet
1094:, Dutch
1083:kilowatt
981:1 W ⥠1
153:turbines
133:Scottish
4982:Poundal
4784:Cooking
4753:Derived
4699:statute
4689:Furlong
4526:Poundal
4511:Kenning
4481:Rankine
4404:Quarter
4240:Cooking
4199:Derived
4117:Furlong
3063:8321316
3041:Bibcode
2939:
2617:Italian
2516:to the
2490:headers
2304:Monarch
2017:Source
1920:nominal
1764:4266.7.
1497:drawbar
1478:railway
1201:
985:/s = 1
607:rounded
476:units,
175:History
104:) is a
4883:Barrel
4878:Bushel
4821:Gallon
4746:Volume
4642:Length
4471:Degree
4384:Drachm
4333:Barrel
4328:Bushel
4282:Gallon
4216:Hoppus
4192:Volume
4137:League
4097:Fathom
4050:Length
3714:
3681:
3530:
3429:Haynes
3377:
3332:
3240:
3167:
3159:
3125:
3069:
3061:
3032:Nature
2980:
2914:
2776:Torque
2734:trucks
2619:CUNA (
2546:1MZ-FE
2521:sold.
2329:4,703
2312:1,100
2309:7,842
2292:1,000
2289:6,521
2272:1,350
2269:6,867
2249:3,256
2244:Hector
2229:1,576
2224:Simoom
2204:Supply
2184:Jackal
2044:Locust
1861:where
1434:boiler
1023:second
978:since
962:since
934:since
917:since
819:63,025
805:
784:
748:
745:33,000
714:63,025
483:is in
472:is in
467:torque
424:Nature
350:
347:32,572
333:
320:
290:
187:, U.S.
88:Symbol
65:second
57:pounds
4975:Force
4964:Short
4944:Pound
4939:Ounce
4929:Grain
4901:Speed
4863:Minim
4856:Other
4816:Quart
4684:Chain
4399:Stone
4389:Ounce
4379:Grain
4356:Speed
4338:Stuck
4303:Minim
4291:Other
4272:Quart
4231:Tmcft
4168:Perch
4122:Cable
4107:Chain
3820:(PDF)
3780:(PDF)
3433:p. 43
3262:(PDF)
3165:S2CID
3067:S2CID
2541:Camry
2401:Brake
2335:7.84
2315:7.13
2295:6.52
2275:5.08
2255:4.07
2235:3.94
2215:3.31
2195:3.03
2175:2.85
2155:2.70
2135:2.60
2124:Harpy
2115:2.16
2095:1.82
2075:1.82
2055:1.57
2035:1.36
2005:Ship
1943:shaft
1932:brake
1485:train
1440:to a
1438:steam
1019:metre
948:â
m/s
465:When
233:force
163:unit
122:watts
110:power
82:power
5074:Perm
4959:Long
4934:Dram
4922:Mass
4873:Peck
4868:Gill
4842:Cord
4830:Wood
4811:Pint
4732:Acre
4710:Area
4694:Mile
4674:Yard
4669:Foot
4664:Link
4659:Hand
4654:Inch
4531:Span
4409:Slug
4372:Mass
4323:Peck
4308:Gill
4267:Pint
4178:Acre
4173:Rood
4146:Area
4127:Mile
4092:Yard
4087:Foot
4082:Link
4077:Hand
4072:Inch
4057:Twip
3712:ISBN
3679:ISBN
3602:2022
3528:ISBN
3375:ISBN
3330:ISBN
3270:2012
3238:ISBN
3219:2023
3195:2023
3157:PMID
3123:ISBN
3059:PMID
2991:2018
2978:ISBN
2912:ISBN
2855:2011
2674:The
2611:CUNA
2468:NACC
2464:ALAM
2332:600
2252:800
2232:400
2209:265
2192:150
2189:455
2172:280
2169:796
2152:140
2149:380
2132:200
2129:520
2112:132
2109:285
2089:109
2072:220
2069:400
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