[TowerTalk] Guy Rope Termination
K7LXC at aol.com
Sat Feb 4 16:21:57 EST 2006
In a message dated 2/4/2006 9:03:55 A.M. Pacific Standard Time,
towertalk-request at contesting.com writes:
> I've got 3/16" double braid Dacron rope for low stretch guys. Most of
the double layer rope I've used in the past was pretty finicky about
treating the cut end, both in terms of how the cut is made and
processed, and also the way it is looped and knotted on the D ring. The
big problem I've seen is unequal tension on the inner and outer weaves
leading to failure of one and the the other.
> I emailed the manufacturer and they were surprisingly unhelpful, saying
in essence "use a hot knife, we only make it, we know nothing about
> I'd like to engineer a solution rather than hack one. Starting with the
guys I want to be able to calculate the real guys strength.
Well, the strength is the ultimate breaking strength of the line.
As far as cutting new ends, just cut it with a sharp knife and then melt
the end with a lighter. It won't be very pretty but it'll work FB. I
wouldn't inhale the plastic smoke. Or you can take it to your local hardware store
or REI or someplace that cuts synthetic ropes and webbing - they have a nice
little hot knife and an exhaust system for the fumes. The end of the rope will
be outside the knot so the condition of the rope end is not critical.
> I'm concerned that the terminations will end up being the weak points.
A knot typically reduces the UBS of the line by about 40% so pay
attention to the strength of the whole system.
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