Mar 26, 2010, 12:01 PM
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Blackpool, Great Britain (UK)
Joined Dec 2003
1,240 Posts
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Quote:
Originally Posted by wjbite
HHHOOOOOWWWWEEEEEE!!!!
FOUR HORSE POWER 
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When a motor is advertised as "3000 watts", that is usually the highest input power it can tolerate for a brief time. Under these conditions, its efficiency is likely to be about 50%, giving an output power of 1500w.
If the motor is now run with a reduced load, so that continuous operation is possible with no overheating, its output power will probably be no more than 750w. Its efficiency will now be about 75%, and its input power about 1000w.
ONE HORSE POWER
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Last edited by peterangus; Mar 26, 2010 at 02:17 PM.
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