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Re: [TowerTalk] what not to do in your tower

To: towertalk@contesting.com
Subject: Re: [TowerTalk] what not to do in your tower
From: David Gilbert <xdavid@cis-broadband.com>
Reply-to: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Date: Thu, 22 Apr 2010 18:29:05 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I'd be very worried that they would crack as they deform to an oval 
shape under load.  I'll bet that's what you'd see if you put one in a 
vice and squished it.  The areas either side of the weld are likely the 
weakest spots, but I'll bet that rod cracks anywhere.

73,
Dave   AB7E



On 4/22/2010 5:16 PM, jimlux wrote:
> those are "welded steel rings".. as I recall, the 1/4" diameter ones
> (the diameter of the rod they're made of) have a load rating of few
> hundred pounds.
>
> Yes, they'll deform under load, but what you're really concerned with is
> tension failure of the metal, and that's way above the deformation load.
>
> Yes, they're not typically x-rayed or inspected as far as weld quality
> goes. So you'd maybe want to double them up?
>
>
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