People might like to check out this article on the subject of rope:
http://www.qsl.net/ei8ic/contest/rope.html
It was written by Dr.Barry L. Ornitz WA4VZQ, a PhD chemical engineer who has
worked for several manufacturers of plastics and chemicals, has quite a bit
of experience with the physical and chemical properties of plastics, and is
familiar with the chemical and ultraviolet resistance of polymers
73s Tim EI8IC
----- Original Message -----
From: "Bill Coleman" <aa4lr@arrl.net>
To: "Mike & Coreen Smith" <ve9aa@nbnet.nb.ca>; <ag0n@arrl.net>;
<towertalk@contesting.com>
Sent: 12 July 2002 00:14
Subject: Re: [Towertalk] rope
> On 6/13/02 7:47 PM, Mike & Coreen Smith at ve9aa@nbnet.nb.ca wrote:
>
> >I've got a chunk of nylon rope as a boom support on a 24' boom 6m yagi
and
> >it's approaching 10 years old and going strong.
>
> Both nylon and poly rope will deteriorate with the Sun's UV. Nylon takes
> longer. I've had nylon ropes under my airplane for three or four years
> before they deteriorated sufficiently to replace. Poly rope would not
> have lasted a year in the hot GA sun.
>
> Some synthetic ropes (Nylon, Dacron, etc) designed for outdoor use have
> UV inhibitors for this reason. Makes them last 10 years instead of 3.
>
>
>
> Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net
> Quote: "Not within a thousand years will man ever fly!"
> -- Wilbur Wright, 1901
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