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Re: Alternator drag on RPM?
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Posted by RAB on March 05, 2007 at 16:14:58 from (195.93.21.42):
In Reply to: Alternator drag on RPM? posted by Jim Holtby on March 05, 2007 at 13:27:24:
A 750 watt alternator is putting out a horse power at full load. Automotive alternator is probably no better than 75%, and probably quite a bit less with all inefficiencies taken into account, so when you consider an engine is only "making" just enough energy to keep itself runnning, that extra one, to one and a half, horsepower is noticeable, either slowing the rpms or opening up the governor to compensate.
Regards, RAB
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