I agree - a "properly designed" system, or one that is at 100% *should* be
able to handle such a load. Prior to being taught this in a DC power
control class - I always boosted from a running car.
It just made sense to me though. I confirmed it by boosting cars with the
car off and found it worked just fine, so I decided it just wasn't worth the
risk to the altenator to boost any other way.
I think another factor up here is that when we usually do our boosting -
it's usually -25 to -40 C and the load that a frozen car puts on the
boosting car is unusually high - more so than even a winch I'd think. (I
used to work on 4x4 bush trucks with 8000 lb winches - but those had dual
batteries, with the winch connected to the one on an isolated circuit.)
Rabin
- Original Message -----
From: "(Phil)" <yes_this_is_really_my_email_address@mindfart.com>
To: "James Rabin" <rabin505@sasktel.net>
Cc: <peugeot-L@yahoogroups.com>
Sent: Thursday, March 17, 2005 3:57 PM
Subject: Re: [Peugeot-L] Boosting tips and altenator longevity
> The diodes in any properly designed alternator should be able to hand the
> full possible output current of the field. I have jump started many cars,
> and also seen all kinds of heavy loads (electric winches, etc), and these
> never kill diodes.
>
> -Phil
> ----- Original Message -----
> From: "James Rabin" <rabin505@sasktel.net>
> To: "Tim Grimes" <timothykgrimes@yahoo.com>
> Cc: "Bernard Kaye" <eviebob@comcast.net>; <peugeot-L@yahoogroups.com>
> Sent: Thursday, March 17, 2005 1:52 PM
> Subject: [Peugeot-L] Boosting tips and altenator longevity
>
>
> >
> > Hi Tim,
> >
> > When you say you boosted the old car "properly" - did you boost it with
> > your car running?
> >
> > If the answer is yes - then you definitely boosted the wrong way.
> >
> > The proper way to boost a car is with the car off. When the car is
> > running the altenator sees that HUGE draw of the dead car trying to
crank
> > and it overloads the altenator to the point of blowing the diodes.
> >
> > The only way to boost a car is with the boosting car off. If the car to
> > be boosted is really dead, then run the car to charge the dead battery
for
> > 10 minutes or so, shut the car off, and then try to boost it like that.
> >
> > I'm quite sure the diodes are done on your altenator - very good tip on
> > that Ford rebuild kit - can anyone provide details on that kit and which
> > altenator it fixes?
> >
> > Great tips on altenator maintenance guys - I had no idea there was som
> > trick things we could do to increase the longevity of the altenators!
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> >
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Received on Thu Mar 17 17:19:07 2005
