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Re: [TowerTalk] Guying Rohn 25

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Guying Rohn 25
From: K8RI <K8RI-on-TowerTalk@tm.net>
Date: Sun, 09 Sep 2012 13:44:13 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On 9/9/2012 12:49 PM, Jim Brown wrote:
On 9/9/2012 9:31 AM, Ro Grrr wrote:
R25 is strong and doesn't need guys.

We don't need no stinking structural analysis, and we don't need to
understand the forces that a tornado or severe thunderstorm can place on
a tower, nor the pulling force that a guy wire can place on something
it's attached to, like a roof.  WRONG!

YOU might have gotten away with it, but that doesn't mean that everyone
(or anyone) else will, or that it is safe.  No smart climber is going to
climb anything he doesn't think is safe. I don't climb, but the very
experienced climber who works on my Rohn 25, guyed per Rohn specs at 30,
60, 90, and 116 ft,  told me that as he was building it, even with only
40 ft in place it didn't feel good until that first set of guys was
installed. And 4 ft of that tower is poured in nearly two tons of concrete!

You wouldn't get me up 40 foot of that stuff without guys. The third section goes up with guys even if temporary, but typically I prefer temporary guys take the abuse of assembly and then be replaced with new, permanent guys. After the 3rd section every section goes up with temporary guys attached. I make it a rule never to climb above the last set of guys except to stand on top.

73

Roger (K8RI)


73, Jim K9YC
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