Towertalk
[Top] [All Lists]

Re: [TowerTalk] Mastrant Rope ? guy wire ?

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Mastrant Rope ? guy wire ?
From: K8RI <K8RI-on-TowerTalk@tm.net>
Date: Tue, 03 Jan 2012 22:35:28 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On 1/3/2012 10:05 PM, Grant Saviers wrote:
> I checked my reference text, "Handbook of Fibre Rope Technology" and
> Dyneema has excessive creep vs Kevlar.
>
> Dyneema SK60 creeps 0.63% at 15% of breaking load in 100 days.  At 30%
> load it creeps 9% in 100 days!
>
> Kevlar 49 creeps 0.041% and 0.05% respectively.   A search for "creep"
> on the Phillystran web site yielded no hits.

I believe Phillystran is Kevlar, or the core (load bearing part) is and 
it has a very tough jacket.

73

Roger (K8RI)


<snip>

_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

<Prev in Thread] Current Thread [Next in Thread>