[TowerTalk] Aluminum Towers -- Tower Installer in S.F. BayArea??

[Dan Schaaf]

In the marine business, if we have steel touching aluminum, we attach a zinc 
sacrificial anode on the steel. The zinc will dissolve like an alka seltzer 
over time but the aluminum and steel will not dissolve.

Of course, this is an extreme situation saltwater vs. air with maybe 
humidity and/or salt breeze.
Still, aluminum and steel make a battery when the correct electrolyte is 
present between them.
And we know that a battery has a lifetime due to the decay of the battery 
housing.

Best Regards
Dan Schaaf
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K3ZXL www.k3zxl.com
60 Meters www.60metersonline.net
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NOBSKA www.nobska.net
Cape Cod Instruments www.gnm-inc.com
Tel: 941-766-0706
Fax: 941-766-0707
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-----Original Message----- 
From: john at kk9a.com
Sent: Monday, August 13, 2012 9:16 PM
To: TOWERTALK at contesting.com
Subject: Re: [TowerTalk] Aluminum Towers -- Tower Installer in S.F. 
BayArea??

I have seen stainless steel cause tremendous corrosion to aluminum in a
corrosive atmosphere however  I have not seen any reaction between
galvanized steel and aluminum.  I suppose anything is possible.  Zinc and
aluminum are not that far apart on the galvanic chart.

John KK9A


To:TOWERTALK at contesting.com
Subject:Re: [TowerTalk] Fwd: Fwd: Aluminum Towers -- Tower Installer in S.F.
Bay Area??
From:Cqtestk4xs at aol.com
Date:Mon, 13 Aug 2012 18:18:49 -0400 (EDT)
List-post:<towertalk at contesting.com">mailto:towertalk at contesting.com>

I would also add, that if you are going to guy with galvanized EHS,  put
the wire inside a piece of hose so the aluminum does not touch the guy
wire.
If they touch, you will have galvanic action on the aluminum...not a  good
thing.

Bill K4XS/KH7XS


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