Horsepower ?

Question

One Horsepower in an Engine is ...................?
One Horsepower in an Electric Motor is.........?
One Horsepower....[what size Horse] is ........?

Answer 1

Horsepower is the measurement used to show the pulling/hauling power of an engine or motor.

Horsepower - what is it?
"You gotta start somewhere, this is a good place."

Before we start talking about turbo this or nitrous that, we need to lay some groundwork. Every gearhead wants more horsepower, but what exactly IS horsepower? What does it measure? Horsepower is just like inches or pounds, an arbitrary unit created from a common reference point that everyone can understand. In today's world of advanced scientific instruments, horsepower hangs on, even though it is a little imprecise. Those high minded keepers of the units and standards that quantify everything with precision would rather toss out this well known measure and substitute kilowatts. That Corvette has 298.28 kilowatts, hmm... 400hp just sounds better.

Where did horsepower come from?
James Watt, who did quite a bit of work improving steam engines back in the 1700's, needed a way to measure their output. Watt used a common reference, the horse, as the basis for his calculations (like the inch was based on the width of a man's thumb). The exact process he followed to find out what a horse could do is open to speculation, everyone seems to have their own favorite story, but the end result was: 1 horsepower = 550 foot-pounds per second, which means, in Watt's calculations, a horse can lift 550 pounds one foot in one second.

Answer 2

visit this web sight
http://auto.howstuffworks.com/horsepower.htm