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[TowerTalk] Kevlar rope for truss?

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Subject: [TowerTalk] Kevlar rope for truss?
From: ww5l@gte.net (Tom Anderson)
Date: Tue, 18 Sep 2001 15:38:44 -0500
Dan:

You might want to try the smallest Phillystran, 3/16th I think.  I used it on my
Mosley Classic 33 WARC with the 40 meter kit (you have to use a support with the
40m kit and it forms a diamond shaped pattern around the elements to steady the
driven element  from side to side with a second section from one end of the
driven element to the other through a 2 ft extension of tubing above the mast.
and its been up 9 years with no problem.  The Mosley came with  Dacron rope, but
I wanted something a little better looking and permanent, so I got some of the
Phillystran from Texas Towers in Plano TX and its worked like a charm.  I don't
remember what the breaking strength of the  3/16 Phillystran  (HPTG1200) is, but
I think its around 1,200 pounds. Its Kevlar fiber inside with a black UV
resistant covering. See the link below:

http://www.texastowers.com/philly.htm


Tom, WW5L
Colleyville Texas

Dan Levin wrote:

> The latest in a long series of questions related to
> my tower project in Boonville, CA...
>
> I want to truss the boom of my 40 meter yagi.  I can
> use stainless steel wire rope, but I'd prefer not to
> use something metalic.  The obvious candidate seems
> to be kevlar rope, which is available from my local
> West Marine for about the same cost as stainless
> cable.
>
> This rope has a kevlar core, and a white polyester
> cover or outer braid.  The idea is that the polyester
> protects the kelvar from UV. Does anyone have
> experience using this type of rope for trussing
> applications?  I'm a bit worried about the 24/7
> exposure to UV degrading the rope over time...
>
> Thanks!
>
>                     ***dan, K6IF
>
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List Sponsored by AN Wireless:  AN Wireless handles Rohn tower systems,
Trylon Titan towers, coax, hardline and more. Also check out our self
supporting towers up to 100 feet for under $1500!!  http://www.anwireless.com

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