[Vwdiesel] Alternators --- ( so you need more amp's ??? )

Weasel weasel1 at sympatico.ca
Mon Feb 2 14:06:48 EST 2004


I prefer to call those lights "Deer Detectors".  Simply put I usually I
don't see deer because they will burn the hair on their arse before I ever
get to see them !

I did find a problem with my idea though.  According to what I can figure
out on ETKA, the AC pulley runs in the opposite direction of the alternator
( smooth side of the belt turns it ).  I thought alternators were supposed
to spin in one direction only.  At least I found that there was a 120 amp
available.  If I had the money  I'd get it, but I am poor and want to play.

I'll  figure out something ...

----- Original Message -----
From: "Val Christian" <val at swamps.roc.ny.us>
To: <vwdiesel at vwfans.com>
Sent: Friday, January 30, 2004 7:00 PM
Subject: Re: [Vwdiesel] Alternators --- ( so you need more amp's ??? )


> My recollection is that the altenator on my 91 NA Jetta is 90 or 95 amps.
> The replacement altenator (Autozone, life time warranty (which means
> four brushsets thus far)) came with a tag showing the actual test
> current.  120 amps at a moderate RPM.
>
> The 90 amp altenator is run with a single "A" belt.  Tends to
self-destruct
> if tightened appropriately with a "aftermarket" belt.  With a VW or
> Continental belt, tightened appropriately, it will slip under extreme
> loads (AC on, defogger on, lights on, just started engine).  Keying up
> ham radio while rolling down the highway measurably slows the car down.
>
> You could consider a load management plan.  HID lights in lieu of
> those road heaters you call lights.
>
> Val
>
>
> >
> > I am looking at over 100.  So far the biggest thing I can find is a 90.
And
> > the price is nuts !  I have a spare out of my Mustang ( 65a I think ).
> > That's why I was thinking of installing it.   Right now my Mustang has a
> > 130A.  Great for the stereo.  The thing with the Jetta is, is that I
just
> > have a lot of stuff ( like a pair of 100W driving lights, and a WVO kit
that
> > has a very high amp draw electric heater ).  All that and the fact that
I
> > drive short trips now ( unemployed ) isn't very good for the battery.  I
> > figured that if I could somehow get the thing to bolt where the AC
> > compressor is supposed to go, The rest is just mickey mouse wiring and
like
> > Loren mentioned, gotta have enough surface area on the pulley !
> >
> >
> > ----- Original Message -----
> > From: "H.Hagar" <h_hagar at prcn.org>
> > To: <vwdiesel at vwfans.com>
> > Sent: Friday, January 30, 2004 10:48 AM
> > Subject: [Vwdiesel] Alternators --- ( so you need more amp's ??? )
> >
> >
> >
> > Weasel said :
> >
> > Awww come folks !  are you ignoring this cause you think I'm nuts !?!?
You
> > wouldn't be the first, nor the last :-)
> >
> > I for one is not ignoring the issue weasel -- but I needed time to
think.
> > Having fiddled
> > with generators and alternators by the hundreds --- and being a tinkerer
I
> > find it fascinating.
> >
> > Some of us do run into situations where a lot of amp would be handy. Say
you
> > are James
> > Hansen and you have a big rig stuck miles from anywhere. A hundred amps
for
> > charging main battery would be handy.--------Loren maybe trade the
deepfryer
> > for a micro.
> >
> > OK weasel now that you know that we take you serious  --  how many amps
do
> > you need ???
> >
> > One big alternator is simpler than two small ones --   but two 65 Amp on
a
> > Rabbit ?
> > why not , if you like tinkering.  The first time I saw the Rabbit
setup ---I
> > said belt is
> > too small. (Too small for 65 Amps steady)  VW did not do a good job in
that
> > department.
> > drive through a puddle at night and watch the warning light.
> >
> > They could have used a gear belt.
> >
> > I have a Motorola on a Landrover that puts out a solid 60 Amps at
idle.All
> > you
> > have to do is install a toggleswich to give the alternator full
field.The
> > model was designed for Taxis and police cars.(lots of idle).(lots of
radio)
> >
> > Let us know what you are trying to do please.      have fun
Hagar.
> > _______________________________________________
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> >
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>
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