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Re: PTO h.p. vs. DRAWBAR h.p.?
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Posted by Dave (IL) on February 15, 2005 at 07:56:28 from (24.14.103.132):
In Reply to: Re: PTO h.p. vs. DRAWBAR h.p.? posted by Lou on February 15, 2005 at 06:50:55:
Force, Torque, Power
If I stand on a scale and see 200 pounds (I wish) that is force.
If I stand on a one foot wrench I will be creating 200 foot pounds of torque.
If the wrench turns I will be causing work - torque over time. I've forgotton the constants. A dyno, I believe, measures maximum torque at various RPM. RPM gives you time so HP is caclulated from the torque curve. Remember HP is WORK, move something over a distance in a certain amount of time. Double the horsepower and you cut the time in half.
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