[MHml] Synthetic Rigging

[Bill Gibbs]

I get nervous with making judgement calls on how bad is too bad.  You could be right.  But a furry halyard is concerning.  I have
one in place now I haven't quite replaced.  We keep it stored inside the mast, so it only sees UV in use.  It has a UV coating.
Even so, it's getting fuzzier.

On the other hand, what's the big deal with creep?  As the wind strength increases, I have to adjust halyard tension anyway.  How do
I tell whether this is from elastic stretch in the sail and halyard, or from creep?  Why should I care?

Bill
Afterburner




-----Original Message-----
From: multihulls-bounces at steamradio.com [mailto:multihulls-bounces at steamradio.com] On Behalf Of sysfx
Sent: Friday, May 11, 2007 11:22 AM
To: multihulls at steamradio.com
Subject: Re: [MHml] Synthetic Rigging

Bill,

According to the manufacturer of Vectran and to a coment I read in Layline's website (or catalog) a couple of years ago, Vectran
line surfaces degrades under UV, becoming sort of a "UV protection coat", but the line retains most of its strength and lasts long,
even after they look fuzzy.

Has any of your halyards failed? How long have they been exposed to the sun? Maybe all they need is a new coating (Yale "Maxijacket"
or similar).

Someone told me that covering those lines eliminates the weight advantage: water finds its way in, but not out, adding weight to the
rigging.

Luiz 

> Dux Dynex 75 is stronger than Amsteel Blue and is made in Northern Europe.
http://www.hampidjan.is/

> I used Lightning for halyards, and it gets fuzzy from UV pretty fast.  I suspect it's the Vectran.  Exercise caution using it
uncovered.


       
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