The acid bath should REMOVE any existing rusting, thus will stop it by totally
taking the existing rusting off.
It will not stop future rusting. In fact, once all the galvanizing has been
removed and you have bare steel the rust process will pick up in earnest and
within weeks the whole tower will be brown. That is why you want to, shortly
after the acid (or other, e.g. sandblasting) process that takes it down to bare
metal, apply the rust preventative treatment, be it galvanizing, "Rustoleum"
type paint products, etc.
73 - Rich, KE3Q
----- Original Message -----
From: Jim Miller<mailto:JimMiller@STL-OnLine.Net>
To: TOWERTALK Reflector<mailto:TOWERTALK@contesting.com>
Sent: Monday, May 01, 2006 11:57 AM
Subject: Re: [TowerTalk] Refurbishing tower sections
Wow, your picture is enough to convince me (anyone?) that had any
reservations to make sure the tower was placed where it couldn't fall on
anything you cared about.
Question, does the "acid bath" used prior to re-galvanizing STOP any
existing rusting?
73, Jim
----- Original Message -----
From: "Terry Gerdes" <terry@ab5k.net<mailto:terry@ab5k.net>>
To: "Red" <RedHaines@centurytel.net<mailto:RedHaines@centurytel.net>>;
"TowerTalk" <towertalk@contesting.com<mailto:towertalk@contesting.com>>
Sent: Saturday, April 29, 2006 10:36 AM
Subject: Re: [TowerTalk] Refurbishing tower sections
I was given a 150 foot R25 tower last year that had some serious rust damage
to one leg at 60 feet. We dropped the second set of guys and pulled it
over with the truck. It was definitely rusting from the inside out. It may
have been a bad galvanized section from the factory. Pic at:
http://www.ab5k.net/images/LoranTowerLeg.jpg<http://www.ab5k.net/images/LoranTowerLeg.jpg>
73 Terry - AB5K
----- Original Message -----
From: "Red" <RedHaines@centurytel.net<mailto:RedHaines@centurytel.net>>
To: "TowerTalk" <towertalk@contesting.com<mailto:towertalk@contesting.com>>
Sent: Saturday, April 29, 2006 10:06 AM
Subject: [TowerTalk] Refurbishing tower sections
Perhaps it is wise, when refurbishing a galvanized tower section that
shows some rust, to inspect the inside of any tubular member for rust or
other deterioration. Rust is a symptom of deteriorating galvanized
coating, which may, in some cases, occur inside a tube at a rate greater
than on the outside. If the galvanized coating fails on the inside,
painting the outside only may not make that tower section safe to use.
73 de WOØW
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