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Date:         Wed, 11 Dec 2002 22:38:05 -0600
Reply-To:     John Rodgers <j_rodgers@CHARTER.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         John Rodgers <j_rodgers@CHARTER.NET>
Subject:      Re: Fw: Deep Cycle Batts.. A Journey
Comments: To: David Brodbeck <gull@CYBERSPACE.ORG>
Content-Type: text/plain; charset=us-ascii; format=flowed

Alright already!!!! So the logic isn't there -- nor the scientific proof!.

But I won't set my battery on a concrete floor!!

John Rodgers 88 GL Driver

David Brodbeck wrote: > On Wed, 11 Dec 2002, John Rodgers wrote: > > >>Most acid electrolyte batteries "Fume" just an imperceptable bit, and >>the result is an almost undetectable coating of electrolyte on the case, >>providing a direct circuit to "Ground", in this case, the concrete >>floor. Result - dead battery. The wood acts as an insulator. > > > The floor isn't 'ground' to the battery, because no part of the battery is > connected to it. Any discharge path would have to be from pole to pole. > That's going to be across the top of the case; what the battery is sitting > on doesn't matter. A thin surface film also has a high enough resistance > that at 12V it isn't going to be significant. > > The ground is only electrical 'ground' for systems that are connected to > it elsewhere -- for example, the U.S. power grid is ground-referenced, and > neutral conductors all have a path to ground somewhere. This isn't true > of a battery that's sitting all by itself. > > _ _ > __ _ _ _| | | | David M. Brodbeck (N8SRE) Ypsilanti, MI > / _` | | | | | | +----------------------------------------------------- > | (_| | |_| | | | @ cyberspace.org > \__, |\__,_|_|_| "To the optimist, the glass is half full. To the > |___/ pessimist, the glass is half empty. To the engineer, > the glass is twice as big as it needs to be." >


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