[TowerTalk] torque arms or not?
john at kk9a.com
john at kk9a.com
Thu Jan 12 22:00:05 EST 2017
The guy bracket on larger towers is u-bolted to the tower leg and bracing,
it does not encircle the tower. It is not necessary to encircle the tower.
My Rohn guy brackets look like this
https://www.dxengineering.com/parts/roh-ga65gd
John KK9A
To: towertalk at contesting.com
Subject: Re: [TowerTalk] torque arms or not?
From: "Roger (K8RI) on TT" <K8RI-on-TowerTalk at tm.net>
Date: Thu, 12 Jan 2017 18:16:30 -0500
Although it's a common practice with hams, Guys should be attached to a
bracket, not individual tower legs. It's not normally a problem, but guy
brackets like ROHN sells puts no strain on an individual tower leg. On a
heavily loaded tower,(near its wind load limit), when the guys are
attached to individual tower legs, in high winds, the tower leg on the
windward side takes the strain. With a guy bracket encircles the tower
with the guy strain taken by the bracket and converted to a downward
force, putting far less strain on the tower.
You don't see commercial towers with the guy wrapped around a leg.
73, Roger (K8RI)
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