[TowerTalk] Guying an Aluminum Tower

[Don Havlicek]

Guying a tower that is designed as "self-supporting" is an "IFFY" situation.

The guys will place additional downward force on the legs which are 
designed to absorb force when the tower "flexes" during wind-load 
situations.

I'm sure there are users who have guyed their "self-supporting" towers 
with no problems, but I would secure the assistance of an engineer to 
get the best recommendation.

Now ... I have had a few self-supporting towers during my ham career, 
and have only lost them to tornadoes .. not wind, so cannot tell you 
what you might/should do for guying, as I have never guyed one.

Don
N8DE

Dennis W0JX wrote:

>Looking for a recommendation re guying an 80 ft Universal Aluminum  self-supporting tower. It is comprised on 30, 26, 26, 22, 22, 18, 18, and 14 inch sections. Currently a TH6DX is on top. I have a TH11 to replace the TH6 and I also want to add a 2 el short
>  Forty. That will overload the current tower so guys are necessary.
>   
>  The usual recommendation is to guy out 80% of the tower height. However, I have some property limitations that make doing that very difficult. Given that it is a 
>  self-supporting tower, can I come in a bit, say 70% of height and still get guying advantages? 
>   
>  I also wonder about the possibility of guying to the bases of some very big, strong
>  trees at the perimeter of my property. Any suggestions?
>   
>  73, Dennis W0JX
>
> 	
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