[TowerTalk] Mast slipping
Rich Hallman - N7TR
rich at n7tr.com
Sun Jul 22 19:41:58 PDT 2012
I modified mine with the hy-gain clamp. Been up for many years and major winds with no problem. I think those cast clamps are pretty cheap from MFJ now.
73. Rich
On Jul 22, 2012, at 7:01 PM, "Gregg Seidl" <k9kl at centurytel.net> 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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