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Old 08-18-2012, 05:11 PM   #8 (permalink)
redpoint5
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Quote:
Originally Posted by GRU View Post
it depends on what the belt is driving...
The OP's theoretical load is just the belt and idle pulleys; no accessories.

Quote:
Originally Posted by drmiller100 View Post
one way to measure it is to feel the heat in the belt. The belt "robs" horsepower, and turns it to heat. A serpentine belt is VERY cool to the touch.
Heat is a great way to imagine how much power is lost in turning the belt. To consume 1hp, the belt and pulleys would have to dissipate 746 watts of heat. Imagine a portable electric space heater running at half power. That's 1hp.
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