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Date:         Thu, 29 Jun 2006 17:21:14 -0700
Reply-To:     Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Subject:      Re: Coolant pipes replacement
Comments: To: Larry Alofs <lalofs@rcn.com>
In-Reply-To:  <44A45ECE.5070409@rcn.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Larry, the water is connecting your aluminum motor and your copper pipe!

On 6/29/06, Larry Alofs <lalofs@rcn.com> wrote: > > This problem can be avoided if the copper makes no electrical connection > with the aluminum thru the body etc. Whether that is practical is left > as an exercise for the student. > > Larry A. > > > Jake de Villiers wrote: > > > I'll repeat; > > > > "Over in SubaruVanagon Land there was a very interesting discussion on > > the > > electrical properties of various metals, the upshot of which was that > > copper > > would degrade the aluminum of the engine through electrolysis, whereas > > galvanised steel electrical conduit (1-1/4 " dia) would be fairly > > neutral. > > There was at least one owner who had replaced both of the long tubes > with > > the stuff. " > > > > Copper's pulls electrons from the water-contact parts of your engine, > > making the head seals leak sooner. > > > > You can find several learned dissertations in the Archives at the > > subaruvanagon yahoo group site. > > > > Jake > > > > On 6/29/06, don spence <dkspence@telus.net> wrote: > > > >> > >> So.. why not Copper? Available, cheap, sorta bendable, fittings > >> available. easy to cut to length. > >> > >> Inquiring minds..... > >> > >> > >> On 28-Jun-06, at 9:01 PM, Automatic digest processor wrote: > >> > >> > > >> > Date: Wed, 28 Jun 2006 18:29:41 -0700 > >> > From: Alistair Bell <albell@UVIC.CA> > >> > Subject: Re: Coolant pipes replacement > >> > > >> > Actually silver is a better heat conductor than gold, but suffers > >> > from oxidation problems :) > >> > > >> > I do want some silver core pots and pans, or straight silver to make > >> > caramel. > >> > > >> > But settling for copper and stainless. Which begs the question why > >> > not copper pipes running up front? Corrosion wouldn't be too bad > >> > inside and if thick walled enough the outside should last just as > >> > long as the nice old gutters on buildings (unless one runs the van > >> > through H2SO4 habitually). Of course we isolate stray electric > >> > currents with silicon or rubber tubing at each end. > >> > > >> > Alistair > >> > > >> > > > > > > > > -- > > Jake > > 1984 Vanagon GL > > 1986 Westy Weekender "Dixie" > > www.crescentbeachguitar.com > > > >

-- Jake 1984 Vanagon GL 1986 Westy Weekender "Dixie" www.crescentbeachguitar.com


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