[TowerTalk] Am I asking for trouble? - tower loading

W5LT W5LT at comcast.net
Sun Oct 15 18:11:03 EDT 2006


Did you consider a fold-over tower? The fact that you say you cannot use
guys suggests that you are space limited? I have a very nice motorized 72
ft. fold-over Heights tower, PE rated for 35 sq ft of antennas in a 70mph
wind zone. Tower apex is at 78 ft when erected. You did not say what the
beams were, so hard to judge if something like that would work for you.
73s
Bob, W5LT


-----Original Message-----
From: jknodel M Knodel [mailto:jknodel at msn.com] 
Sent: Sunday, October 15, 2006 12:58 PM
To: towertalk at contesting.com
Subject: [TowerTalk] Am I asking for trouble? - tower loading

I would like to get everyone's opinion on this -

I am planning on installing a US Towers crankup tower. These towers are 
rated for windloads at 50mph and 70mph. I want to stack 2 beams on the 
tower. These 2 antennas would exceed the tower's windload rating at 70mph 
but would be well within the rating for 50mph. I plan to install a wind 
speed meter and deligently crank down the tower every time the wind exceeds 
50mph.

I cannot install a guyed tower at this location so this is my only option. 
The crankup with these antennas and cranking it down in winds over 50mph is 
my plan. Am I asking for trouble in doing this?? Thanks.







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