There is a metric horsepower rating, although it is rarely used. The two methods are close, with one SAE horsepower equal to 1.0138697 metric horsepower. One mechanical horsepower also equals 745.699 watts or .746 kW (kilowatts) of electrical horsepower. This means that if you really want to...
What Is a Horsepower? If you like cars, you know the power ratings of car engines are always given in horsepower. That means horsepower is also a unit of power, but where did it come from, and why is it still in use? It turns out that none other than James Watt is the man respon...
Define work. When is work said to be done by a force? A small electric motor such as the one in a home furnace is rated at "1/2 horsepower". Recall that 1 hp is equal to approximately 750 W. a) How much ...
We still use the horsepower rating for many of our smaller engines, such as lawn mowers, snowblowers, leaf blowers, and chainsaws, so people are still generally familiar with the unit. How Powerful are Humans then ? Humans can generate the equivalent of about 1 horsepower for a short peri...
aabout 1 in 20 graduates 大约1 在 20个毕业生[translate] awe will say goodbye to our lovely teachers and classmates 我们对我们可爱的老师和同学将说再见[translate] ain excess of the horsepower rating listed 超出被列出的马力规定值[translate] ...
What is horsepower and torque? How do they relate to each other, where do they come from and how do you convert from one to the other?
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There have been a few different horsepower rating systems over the years. The old“SAE horsepower”is no longer used because it gave a misleading number due to the fact that an engine was tested without any auxillary items installed like alternators, air cleaners or fans. Since 1972 the“SAE...
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rating for individual gasoline engine models is labeled in accordance with SAE (Society of Automotive Engineers) code J1940 Small Engine Power & Torque Rating Procedure, and is rated in accordance with SAE J1995. The equation to calculate horsepower is simple: Horsepower = Torque x RPM / 5,...