I concur. If you are really concerned, just replace the bracket with the 55
version and use the damaged (?) section on the tower top.
73 de Ken - W5KQ
----- Original Message -----
From: "Keith Dutson" <kdutson@sbcglobal.net>
To: "'Towertalk'" <towertalk@contesting.com>
Sent: Sunday, August 27, 2006 10:56 AM
Subject: Re: [TowerTalk] Ooops! Wrong guy bracket assembly
installed--nowwhat?!
>I would leave the 45G bracket in place. Congratulate yourself that you got
> it to fit.
>
> The bowed brace will only slightly affect resistance to twisting. Since
> that is the guy point it is not important.
>
> If you are worried about twisting above, you should replace the above
> bracket with a star-type torque bracket with double guys. I am doing this
> on a 200 foot 55G that will have two 4el 40M monobanders and a 2el 80M
> monobander. I got the bracket from Norm's Fabrication
> (http://www.normsfab.com/).
>
> 73, Keith NM5G
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Tim Totten, N4GN
> Sent: Saturday, August 26, 2006 11:00 PM
> To: Towertalk
> Subject: [TowerTalk] Ooops! Wrong guy bracket assembly installed--now
> what?!
>
> I can't believe I did this . . .
>
> I'm installing my second tower at N4GN. Those of you who know me know
> this
> project is WAY behind schedule (like 5 years!). The tower is 55G.
> Today, after installing the second guy bracket assembly and second set of
> guys, I noticed a slight bowing of the horizontal "zee" brace just under
> the
> guy bracket assembly (more on this below). Then I discovered that I had
> installed a GB45D (GA45GD) bracket, made for Rohn 45G tower, as opposed to
> the proper GB55D (GA55GD) bracket! What can I say? My supplier sent the
> wrong part, but I should have checked my order a little more closely
> before
> installation!
>
> In my defense, the two assemblies are within a few millimeters of being
> indentical in all dimensions. If you don't look at the part number
> stamped
> on it, you'd be hard pressed to tell the difference at arm's length. At
> least that's the best excuse I could come up with! I guess I'll be on the
> phone Monday trying to get the right assembly.
>
> Since a word is worth a millipicture, I put some photos on my web site:
>
> http://www.n4gn.com/guy-brackets/
>
> I believe the horizontal zee brace was bowed downward when I tightened the
> three inside braces, pulling the tower legs very slightly inward. The big
> question now is whether I damaged the tower section to the point that I
> should consider replacing it? I've certainly seen sections on other
> towers
> (commercial and amateur) that were dinged up far worse. I think I'm just
> inclined to replace the guy bracket assembly with the proper model and
> carry
> on. But I'd appreciate comments from anyone who wants to look at the
> pictures and offer an opinion.
>
> Is there even anyone left in Engineering at Rohn (Radian) who might be
> able
> to provide more insight? Anyone have a good contact there?
>
> Thanks in advance for any help . . .
>
> 73,
>
> Tim Totten, n4gn@n4gn.com
> http://www.n4gn.com
> _______________________________________________
>
>
>
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