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Re: [TowerTalk] Mast slipping

To: Gregg Seidl <k9kl@centurytel.net>
Subject: Re: [TowerTalk] Mast slipping
From: Frank <frankkamp@att.net>
Date: Sun, 22 Jul 2012 22:19:17 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Gregg Seidl wrote:

>I just got down from my tower after turning my XM-240 in line to match the 
>rotor and other antenna AGAIN.
>I have done this several times now and I just can't get a grip on why this 
>continues to happen. I haven't had trouble with any other of my antennas,some 
>have more windload than the XM-240.
>As I was up there enjoying the view and thinking why this one turns I had an 
>idea and wanted to ask others ideas.
>First it is up 85 feet and has been up for 6 years and I think it works great. 
>It is much more stout than the 40-2CD that I had up before but came down piece 
>by piece in a bad windstorm.
>I am using the stock clamp which seems to be great,the only thing that I 
>haven't used one other antennas but did on this one was a galvanized mast from 
>Texas Towers. Could it be that the mast is too "smooth" to grip? The U-bolts 
>are not loose when I go up to straighten the antenna. It only happens once a 
>year or so nd always after a 70-80 MPH windstorm which we get here sometimes. 
>Looking for ideas.
>Gregg  K9KL
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I used to have problems with mast slippage too.  It was aggrevating to 
have to crank the tower down and re-calibrate.  So I pinned the mast to 
the rotator housing.  The next time we had a strong wind I lost the 
rotator.  That slipping mast was a blessing in disguise.


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