Hello Bill,
Putting up a tower is a lot of work. I'd reccomend doing it once. If you
plan to extend the tower later, don't shoot youself in the foot with short
guying now. Go for the longer guys & cut down the stupid trees.
At 12:56 AM 3/12/98 -0500, you wrote:
>Hello to All:
>
>Maybe the TOWERTALK clan can shed a little light on a simple guying
>question...
>
>Rohn suggests in their specs. to scope the guys at 80 percent of the
>tower hieght (in this case a 50 footer) and to guy at 23' and 45'. Fine.
>Now a utility co. lineman friend believes that putting the guy anchors
>out 40' for a 50' tower is crazy. He brings up a valid point that the
>more real estate that the guys cover increases the probability of a tree
>falling and catching those cables. The guy installation will consist fo
>using a commercial 10mm guy, preforms, and anchor system. He assures me
>that there is NO weather situation, short of a tornado, that will budge
>this system. I believe him, I have the hardware here in front of me and
>it is very heavy. But he says that a tree falling across a guy will
>surely bring it down in a pile. So he suggests bringing the anchors in
>to around 20-25'. This would in fact would put a steeper angle on the
>guys allowing them to "shed" a falling object better and lessen the area
>for the potential. I think that all make good sense BUT....(here's the
>64k question) will that increase the downward compression of the tower
>too much and cause a problem? Or am I making a mountain from a mole
>hill. And do you see the need for using Rohn's GA25GD (tower guy
>attachment assembly) for a 50 footer w/ 8sq.ft. windload. Or should I
>save these questions for when I get bored with the 50 and decide to put
>up a 100'!
>
>Thanks for your time.
>
>Bill AF1S
>
>--
>FAQ on WWW: http://www.contesting.com/towertalkfaq.html
>Submissions: towertalk@contesting.com
>Administrative requests: towertalk-REQUEST@contesting.com
>Problems: owner-towertalk@contesting.com
>Search: http://www.contesting.com/km9p/search
>
73 de Robin E. Midgett, KB4IDC
EM66se
1/2 of the NT4L Contest Group Rover Team
http://www.telalink.net/~martinbw/vhf/vhf.html
--
FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: owner-towertalk@contesting.com
Search: http://www.contesting.com/km9p/search
|