Date:         Mon, 3 Apr 1995 10:31:48 -0700 (PDT)
Sender:       Vanagon Mailing List <vanagon@vanagon.com>
From:         David Schwarze <schwarze@superc.nosc.mil>
Subject:      Re: Big Battery = Destroy Starter

Derek Drew writes:
> 
> I was reading in the Bosch Technical Instruction booklet about Electric
> Starting Motors and it says, "Blah, blah, blah... Starting systems are
> designed to take into account a given voltage drop in the system. Therefore,
> in order to avoid mechanical overload or overheating of the starting mtor, a
> storage battery with more than the specified ampere-hour capacity must not
> be used."
> 
> This raises the question of how to wire our auxiliary batteries. If you wire
> two 12 volt batteries together, or allow them to connect together during
> starting only as I have done, then it would seem you risk frying your starter. 
> Hummm...

Interesting... now that you mention it, I have noticed that voltage at the
starter drops to 10 (or even 8) volts while the motor is cranking on my
bus.  I thought this was not normal.  Still, if the starter is rated 12V
then it should stand up to 12V.

-David

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David Schwarze                  '73 VW Safare Custom Camper (Da Boat)
SAIC Comsystems                 '73 Capri GT 2800 (Da Beast)
San Diego, California           '87 Mustang Lx 5.0 (Da Bruiser?  Soon...)
schwarze@nosc.mil                http://papaya.nosc.mil/~schwarze
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