All of the Rohn drawings for shorter 25G towers recommend 3/16
EHS guys which has a tensile strength around 4000 lbs. The rope
probably has considerably more stretch than EHS which could be
troublesome.
73, Larry W6NWS
----- Original Message -----
From: "Michael Tope" <W4EF@dellroy.com>
To: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Sent: Friday, November 11, 2011 11:10 PM
Subject: [TowerTalk] Utility Pull Rope
>I was talking to a local person this evening who has a tower that
> appears to be Rohn 25 guyed with 1/2 wide flat utility pull rope. He
> mentioned that the tensile strength of this rope was 2500lbs, but in
> almost the same breath he mentioned that one of the ropes broke in a
> recent windstorm and that they have been up for 6 1/2 years. It occurred
> to me that UV resistance is probably not a requirement for this sort of
> rope since it doesn't need to sit in the sun for long periods of time in
> the intended application. I might have occasion to climb this tower in a
> few weeks, so I am thinking might need to replace these ropes with
> something more reliable. Anyone have experience with this sort of rope?
>
> Thanks,
>
> Mike W4EF...........
>
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