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Old 11-28-2005, 08:25 PM
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Matt Kirsch
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arizonajoe,

Could you try to better explain what it is that you are looking to achieve?

Watts is a measure of power, the metric equivalent to Horsepower (746 Watts equals 1 HP). Electric Watts or mechanical Watts, it's the same unit. Put 746 Watts of electrical power into a motor, and you will get 746 Watts of mechanical power out, ignoring losses. It takes so much power to make a plane of a certain weight fly in a certain way, so many mechanical Watts to turn that propeller... Because it's a direct translation from mechanical to electrical, and so easy to calculate electrical Watts (Volts times Amps), we work with electrical Watts almost exclusively.
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