<VV> 100 Amp Alternator Option/Idle charging

[J R Read_HML]

Hi Bob,

Just to clarify - for any newbie reading - you have swapped the Corvair 
front housing, and fan/pulley onto the higher output alternator, right?  It 
is important to use the correct fan.

Later, JR


----- Original Message ----- 
From: <HallGrenn at aol.com>
To: <hmlinc at sbcglobal.net>; <VirtualVairs at corvair.org>
Sent: Thursday, July 29, 2010 9:55 AM
Subject: Re: <VV> Fw: 100 Amp Alternator Option/Idle charging


>
> I don't have my catalogue available (somewhere in the basement--that's 
> what
> I get for only partially reorganizing), but a good rule of thumb is
> alternator  pulley size.  If the new, higher output, alternator has a 
> smaller
> diameter  pulley than the Corvair's then you will need a faster idle to 
> energize
> the  alternator.  The minimum RPM for a 63amp alternator--if I remember
> correctly--is 1500RPM (that's alternator RPM).  I have run a 63A alt. on 
> my
> Greenbrier for almost 20 years with no problems except occasionly at idle 
> and
> high load conditions.
>
> Bob Hall
> Group Corvair
> Corvanatics
> CORSA
>
> In a message dated 7/29/2010 12:44:29 AM Eastern Daylight Time,
> hmlinc at sbcglobal.net writes:
>
> I needed  to confer before I responded to this one.  From my "secret"
> source:
>
> "Some people just make it harder than it should be. You can buy  a 100amp
> upgrade external very easily but why? It does not charge well at  idle.
> That's why we use the 63amp one from the parts store. More than  plenty of
> power."
>
> Later, JR
>
>
>
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