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Re: [Fot] Aluminum Radiators and Electrolysis

To: "Randall Young" <ryoung@navcomtech.com>
Subject: Re: [Fot] Aluminum Radiators and Electrolysis
From: Bill Babcock <billb@bnj.com>
Date: Tue, 30 Jan 2007 16:45:15 -1000
Yup. Copper is definately a better conductor of both electricity and  
heat, and way stronger than than aluminum with just a little tin in  
it. Of course all this talk about galvanic corrosion has very little  
to do with our race cars--or at least mine. By the time any  radiator  
I own corrodes by galvanic action I will have long ago turned it into  
scrap whacking a wall (once), or dropped it on a corner taking it out  
of a car (twice) or run a crank pulley through it when the harmonic  
balancer comes undone (once).  Or in the case of the aluminum TR3  
radiator I used once, put the radiator cap on without putting my hand  
under the extension when I pushed down. I consider them consumables,  
like oil and head gaskets.

On Jan 30, 2007, at 11:55 AM, Randall Young wrote:

>> Actually, aluminum is a better conductor.
>
> Not correct.  For the same thickness, copper (and brass, which is what
> radiators use) are better conductors of heat (and electricity) than
> aluminum.
>
>>  I'm impressed that
>> your copper radiator weighs the same as an aluminum one,
>> especially since copper is heaver than steel.  Must be really
>> small in comparison.
>
> Or simply thinner than aluminum.  Since brass is also stronger than
> aluminum, not too hard to do.
>
> Randall
>
>
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