healeys
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Re: [Healeys] (no subject)alternator

To: Awgertoo@aol.com
Subject: Re: [Healeys] (no subject)alternator
From: "Richard Ewald" <richard.ewald@gmail.com>
Date: Thu, 21 Aug 2008 05:58:33 -0700
A couple of things I would note:
1. Modern street cars don't come with a battery master switch
2. I highly doubt your Elva has 20+ computers running on a high speed data
network to make the car run.  Modern street cars do.
3. Look again at what I quoted from BigHealey >>I can disconnect my battery
and my car will run.  Which is a poor man's field test for determining if
the alternator is charging.  So yes the alternator does supply the
system.<<  This is not shutting down the electrical system via a battery
master, this is open circuiting the system and allowing the alternator to
run wild.  I would also notice that your battery master, if wired correctly,
shunts the voltage to the coil to ground to make the engine stop running. So
flipping the switch is supposed to kill the car, bighealey is talking about
the car continuing to run.

I stand by my comments.
Rick


On Thu, Aug 21, 2008 at 5:11 AM, <Awgertoo@aol.com> wrote:

>  In fact you can safely disconnect the battery on a car equipped with an
> alternator while the engine is running if done via a switch which has a
> circuit that grounds the alternator output through a resistor. (See:
> http://www.pegasusautoracing.com/productdetails.asp?RecId=1464)   The
> switch has three circuits which make/break the battery connection, the coil
> feed and an alternator ground.  I have one on my alternator-equipped Elva
> and when going through pre-race tech inspection I am asked to bring the car
> up to revs and then flip the switch.
>
> Best--Michael Oritt
>
> ----------------------------------------------------------------------------
> In a message dated 8/21/2008 4:16:59 A.M. Eastern Daylight Time,
> ah@jharper.demon.co.uk writes:
>
> Richard
> I totally agree and this is why I said you can do this with a generator.
> NEVER with an alternator.
>
> regards
>
> >>>I can disconnect my battery and my car will run.  Which is a poor man's
> >field test for determining if the alternator is charging.  So yes the
> alternator
> >does supply the system.
> >
> >Write this down.  DO NOT DISCONNECT THE BATTERY ON ANY
> >MODERN ALTERNATOR EQUIPPED CAR WITH THE ENGINE RUNNING.
> >EVER.
>
>
>
>
> ------------------------------
> It's only a deal if it's where *you* want to go. Find your travel deal *
> here* <http://information.travel.aol.com/deals?ncid=aoltrv00050000000047>.
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