Re: 120A alternator: hp drain?

[John Lagnese <jlagnese@cybertours.com>]

That's not true of old systems. 60's vintage units with no computers could run
with no battery.
John

DNK006@aol.com wrote:

> In a message dated 5/25/2000 05:20:54 GMT Daylight Time, zeroid@hotmail.com
> writes:
>
> > I
> >  think that with the ignition off, alternators spin freely but once their
> >  coils are energized, they resist rotation.  Hmm, might be an interesting
> >  experiment to try.  Bear in mind that I'm no physicist so if I'm off, I'd
> >  appreciate the correction.  benton-----
> >
>
> Didn't anyone ever tell you not to disconect the battery with the engine on?
> The reason is, that when an alt. is disconected and has no load, the voltage
> regulator (which reaction time is like 10ns) will not react quick enough and
> it will fry!  There is a product called "Zap Stop" which can be connected
> between the pos and ground, which will absorb a surge and save your alt.  I
> am not sure if it works with Bosch.  However, with no load, all you are using
> power for is the bearings, fan, and belt.  As I recall, a V-belt draws more
> HP than anything else on the system, thats why race cars usually use
> serpantine belts, along with most other cars now.
>
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