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[TowerTalk] Phillystran

To: <towertalk@contesting.com>
Subject: [TowerTalk] Phillystran
From: n0tt1@juno.com (n0tt1@juno.com)
Date: Wed, 8 Aug 2001 03:23:50 +0100
Hi Anthony,

I'll try to help...

> I have a question. I noted that Texas Towers has
> several "strengths" of Phil1ystran. How do you gauge
> what you need? I have a 50' Aluma tower which will
> have a relatively light quad. Is 1200# enough? Any
> help will be appreciated!

Use the same breaking strength as the cable you should
use, such as 4000 lbs for 3/16" EHS.  Be sure to tension
the guys equally and "to specs"...as I remember it that's
10% or 400 lbs in this case.  Use guy anchors recommended
by the manufacturer.  The right way to tension tower
guys is with a cable tensiometer calibrated for the
cable size you are using.  I like to use the "clamp on"
type.

Be sure to order the right terminating hardware, like
"baskets" and the special potting compound for the
Phil1ystran.  If baskets are used, build a wooden
"jig" to hold the baskets while you pour in the
potting compound....it *can* be a mess!

Do not use the Phil1ystran near ground level...the
stuff will burn/melt if you have a grass fire.  Best to
keep it out of reach....can be cut with a knife too.

Tower and antenna weight has little to do when it comes
to guying...it's the wind loading that matters the most.
Follow the manufactures instructions regarding wind
loading, etc.  Remember that the wind loading tension 
on the guys are transferred to the tower base by the tower
along with the weight of the tower system.  Use a proper base.

73,
Charlie, N0TT

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