[TowerTalk] Joining Phillystran and EHS

[Tim Duffy K3LR]

Hello Mark,

I have had good success with a 502 insulator - to make the Phillystran to
EHS transition. I think the 502 is a safer route than shackles and thimbles
that might cause either preform (Phillystran or EHS sides) to distort over
time.

73 and be safe,
Tim K3LR


-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of Mark Robinson
Sent: Friday, July 23, 2010 9:43 AM
To: TowerTalk at contesting.com
Subject: [TowerTalk] Joining Phillystran and EHS

I am getting ready to assemble the top guys on my rohn 45 tower. I intend to
use a short length of 1/4ehs at the top and maybe 27 feet of 1/4 ehs at the
bottom. I will be using a length of Phillystran HTP667001 in the middle. I
will use the PLP2755 big grip on the philly with a 1/2 inch thimble. I will
be using a BG2144 big grip on the 1/4 ehs together with a 3/8 thimble. My
question is how to join the ehs and the philly together. Can I just use the
two thimbles looped inside of each other at the joint or do I need a shackle
or maybe a 502 insulator between the two big grips.

The shackle would need to be fairly substantial to have a working load near
to that of the cable at 6000 pounds. How have other people made this
connection?


73 Mark N1UK
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