Not that simple math.
There is the efficiency of each item to be considered. You can run
the water pump from a battery for maximum HP, but an alternator may/
may not use more mechanical energy than your belt driven pump. Also,
once the pump is removed you are reducing the engine from driving an
alternator AND a pump, to just a an alternator.
Wilko
On Feb 3, 2009, at 2:20 AM, Oudesluys wrote:
> A water pump and a mechanical fan need a fair amount of power to be
> driven. They are not perpetu|m mobilae, so that power needs to come
> from somewhere: ultimately the engine, and it does not make any
> difference if that is through the alternator/dynamo and battery. So
> the power needed for the alternator that will feed the battery and
> powers the water pump will not be available to drive the wheels.
> Simple mathematics.
> Kees Oudesluijs
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