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Re: [TowerTalk] Guywires

To: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Subject: Re: [TowerTalk] Guywires
From: Kevin Normoyle <knormoyle@surfnetusa.com>
Reply-to: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Date: Sat, 16 Jan 2010 12:56:56 -0800
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Is this analysis wrong?
http://wiki.contesting.com/index.php/Guyed_tower_study

If so, where?

It's a 45g analysis. I would think that means 25g sees more deflection 
at the top.

I didn't understand people talking about 1" deflections.

What are the typical worse case deflections 100' 25g towers see in bad 
conditions? (at the top say, given whatever guy conditions you like?)

I guess the analysis above doesn't address dynamic oscillations or 
torsion issues.

Assuming you don't have enough damping, it would seem flexing is good 
(so stress isn't transmitted to the base?)



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