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Re: [TowerTalk] Dipole center insulator strain releif

To: "reflector -tower" <>
Subject: Re: [TowerTalk] Dipole center insulator strain releif
From: "Stan Labinsky Jr." <>
Date: Mon, 23 Apr 2012 18:51:00 -0400
List-post: <">>
Guys... and ladies too...

All this talk of looping the coax over some sort of support and the concerns 
about bend radius and the cable weight damaging the cable at the bend, 
etc.causes me to suggest an alternative.

Has anyone tried to use 1/4" or 3/16" good outdoor UV stable rope (or line 
as you wish to call it) to Whip the cable and hang it from the antenna 
insulator - a good ceramic "dog bone"?


The co-ax would be the rope in the image. The line end labeled "B" would be 
the end used to hang the cable (the antenna end of the co-ax being the "B" 
end of the rope).

I've used this technique with good success. The cable is held by the 
multiple wraps of the whipping cord, distributing the load on the jacket 
over the many turns, the hanging lead "B" is supported at its root from the 
"A" end of the whipping, and also held in place by the same turns holding 
the cable.

All in all, a very gently way to handle co-ax.

And it's soooo simple.


----- Original Message ----- 
From: "K8RI" <>
To: <>
Sent: Saturday, April 21, 2012 10:07 PM
Subject: Re: [TowerTalk] Dipole center insulator strain releif

> On 4/21/2012 6:17 PM, Dick wrote:
>> I just got a rope over a tree after 4 years of trying. I need a dipole 
>> center insulator that has strain relief for the coax. To clear the 
>> branches, the coax will be pulling against the center support rope. All 
>> the center insulators I've seen have an SO-239, it doesn't seem like 
>> putting that strain on a PL-259 is a good idea... Do any have a strain 
>> relief??


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