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Torque arms necessary?

To: <towertalk@contesting.com>
Subject: Torque arms necessary?
From: garyk9gs@solaria.sol.net (Gary Schwartz)
Date: Mon, 10 Jun 1996 16:46:01 -0500 (CDT)
On Mon, 10 Jun 1996, Big Don wrote:

> On Sun, 9 Jun 1996, Gary Schwartz wrote:
> 
> > 
> > Anyone have ONE (1) torque arm for Rohn 45 that they'd like to part with
> > or have sitting in the tower parts pile?  I'm talking about the tube that
> > is welded to the flat piece of bar stock, not the whole clamping assembly.
> > 
> > As far as I am aware, they can't be bought individually.  I've thought
> > about having one fabricated but the galvanizing is a pain.
> > 
> 
> Having something like this fabricated sounds risky. Even with the standard
> Rohn part (speaking of Rohn 25 with which I'm familiar), one weld, where
> the bar attaches to the tube, stands between you and disaster.  Welds are
> notoriously vulnerable to fatigue, and even though there appears to be no
> history of these failing, your weldor could have had a bad day.
> 
> Big Don does not trust the Rohn part.  All my torque bars have an
> additional safety loop of guy cable which goes thru the hole at the end
> where the guy attaches, and around the corresponding tower leg above the
> torque arm bracket.  That way, if the weld in the torque bar lets go, at
> least something is there to back it up.
> 
> Big Don
> 

I agree!  The safety loop sounds like an excellent idea.

73,
Gary K9GS 
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