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RE: rust prevention

To: DSTONE@SC9.intel.com, british-cars@hoosier.utah.edu,
Subject: RE: rust prevention
From: sbender@dsd.es.com (Steve Bender)
Date: Fri, 29 May 92 16:22:29 MDT
> > The last approach would be one of the "anti-electrolysis" devices sold
> > by J. C. Whitless (and probably others).  Supposedly these devices
> > introduce a small electrical current into the chassis which prevents
> > or even reverses electrolytic corrosion.  Thoughts, comments, giggles?

>       don't they do something similar on steel hull ships?  I think they 
> use a sacrificial piece of metal which they let rust and therefore remove/
> use up/involve some critical component of the oxidation process.

>      >>Yup, fiberglass-hulled ships also use this type of
>      thing for sacrificial corrosion. Supposedly extends the
>      life of the metal thru-hull fittings. 

>      Now, has anyone ever heard that this was reason for
>      brit-cars having + as ground ?

It is my understanding that the 'switch' to negative-ground as standard
was to alleviate electrical-system induced corrosion.... Better to have
all those (-) ions attacking the (+) battery terminal, cable, & solenoid
rather than a (+) grounded chassis.

But then again, I guess that does'nt address all those (+) ions :-)

Is this just folklore?

-Steve-


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