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Re: [TowerTalk] Guywires

To: "'Tower and HF antenna construction topics.'" <[email protected]>
Subject: Re: [TowerTalk] Guywires
From: "K1TTT" <[email protected]>
Reply-to: "Tower and HF antenna construction topics." <[email protected]>
Date: Sat, 16 Jan 2010 21:28:59 +0000
List-post: <[email protected]">mailto:[email protected]>
Looks reasonable to me, you see something wrong with it?


David Robbins K1TTT
e-mail: mailto:[email protected]
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: Kevin Normoyle [mailto:[email protected]]
> Sent: Saturday, January 16, 2010 20:57
> To: Tower and HF antenna construction topics.
> Subject: Re: [TowerTalk] Guywires
> 
> 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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> 
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