[Towertalk] Nylon guys

[WA2BPE]

The material by "Synthetic Textiles" is a white/cream colored Dacron with the
outer weave dyed (permanently) black (just looked at a reel of it).  I haven't
used it as guys, but have used it to secure cables to a steel messenger.  I have
seen no (visible) degradation in over 20 years exposure to sunlight and it
remains flexible.  BTW, one of the best ways to terminate/cut the material is to
fuse the outer weave (a short (1") section) with a torch or heat gun (hold it
under light tension and rotate it while heating), clip it with a wire cutters
then complete the fusing/sealing of the end.  Be careful on heating; too much
will result in smoky flames!  The nice thing abt this product is that it is very
flexible/easy to work with.  It does stretch, however, and needs to be
pre-stretched - M^2 uses this for the truss guys on some of their bigger (6m for
sure) beams.

73,  Tom - WA2BPE



K7LXC@aol.com wrote:

> In a message dated 4/11/02 11:16:09 AM Pacific Daylight Time,
> RedHaines@centurytel.net writes:
>
> > Nylon deteriorates when exposed to UV.  If you use it for guys or
> >  anything else outdoors, plan to inspect it often and replace it
> >  occasionally.  I'm not sure how to determine that its strength is not
> >  reduced too much.  I suppose if you start with more than sufficient
> >  strength, you can tolerate more deterioration.
> >
> >  I recommend using materials made for exterior applications.  I haven't
> >  research which ones are best.
>
>     The best outdoor rope for ham-type uses is the UV resistant stuff made by
> Synthetic Textiles. There are a bunch of ham dealers including DavisRF.
>
>     I don't know of any other rope that'll stand the UV.
>
> Cheers,
> Steve    K7LXC
> TOWER TECH
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