Web11 mrt. 2011 · Remember that one HORSEPOWER is defined as 33000 foot-pounds of work per minute. Therefore HP = POWER (ft-lb per min) ÷ 33,000. We have already calculated that the power being applied to the crank-wheel above is 1,256,600 ft-lb per minute. How many HP is that? HP = (1,256,600 ÷ 33,000) = 38.1 HP. Web1 jan. 2024 · Watt determined — from personal observation rather than rigorous scientific study — that a working horse could turn a mill wheel 144 times each hour. Using this number, he estimated that ...
How Horsepower Works HowStuffWorks
Web1 apr. 2000 · 1 horsepower is equivalent to 746 watts. So if you took a 1-horsepower horse and put it on a treadmill, it could operate a generator producing a continuous 746 watts. 1 horsepower (over the course of an … Web7 nov. 2016 · 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 … can low humidity cause sinus pressure
Auto Makers Are Changing the Way They Advertise Horsepower
Web15 jan. 2013 · He determined that a horse could do 33,000 foot-pounds of work in a minute (for example, move 330 pounds of coal 100 feet in a minute, or haul 33 pounds of coal … WebHorsepower (hp) = Voltage x Amperage x % EFF x power factor x 1.73/746 = 472V x 20A x 0.90 x 0.85 x 1.73/746 = 17 Hp The quickest method to closely estimate motor … Web8 nov. 2016 · Then use the formula ( (V * I * Eff)/746=HP) to determine the electric motors horsepower. V = voltage, I = current or amperage, and Eff = efficiency. Example: 300 x … can low humidity cause dizziness