Yes, on both my 25G and 45G towers I used just a single shackle at the
torque arm/Phillystran thimble connection. The bolt of the shackle went
through the hole in the torque arm and the "U" part of the shackle
interlocked with the Phillystran thimble. This appears to be sufficient to
73, Bob - W3YY
----- Original Message -----
From: "Ron Hylton" <firstname.lastname@example.org>
Sent: Friday, August 20, 2004 7:18 AM
Subject: [TowerTalk] More Phillystran Hardware Questions
> Thanks to all who responded to my prior post about transitioning from 1/4
> EHS to Phillystran. The most popular response was to use a 502 insulator,
> but folks also used a shackle or simply interlocked the thimbles.
> My next question is this: Looking at the Phillystran Technical Bulletin
> 105-4/96, it shows the use of 2 shackles when going from the "tower plate"
> to the thimble for the Phillystran. The drawing shows the bolt portion of
> the shackle going through the tower plate (like a torque arm or the top of
> flat-top 45G section) and the bolt portion of the other shackle going
> through the thimble. Thus the "U" shapes of both shackles are
> Why is this so? Wouldn't one shackle be sufficient?
> Ron AD7L
> Hillsboro, Oregon
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
> TowerTalk mailing list
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
TowerTalk mailing list