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Re: [TowerTalk] Dipole center insulator strain releif

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Dipole center insulator strain releif
From: DGB <ns9i2016@Bayland.net>
Date: Sun, 22 Apr 2012 08:42:37 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
... and I wondered about that too! What about high power, what happened 
to the rule of thumb "a 4 inch bend radius" on the big coax?

73 Dwight NS9I


On 4/22/2012 7:54 AM, Pete Smith wrote:
> I'm a little uncomfortable with the very small bend radius of the coax
> in that setup.  With foam-insulated coax that could risk a short from
> the center conductor to the shield.
>
> 73, Pete N4ZR
>
> On 4/21/2012 11:20 PM, Bob K6UJ wrote:
>> Looks nice and secure Roger.
>> I like the idea of eliminating a PL-259/SO-239 connection.
>>
>> Bob
>> K6UJ
>>
>>
>>
>>
>> On Apr 21, 2012, at 7:07 PM, K8RI wrote:
>>
>>> 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??
>>> This is not center supported, but it does support the coax and current
>>> balun from the feed point.
>>> The ends of the wire need a little trimming but this is what I have:
>>> http://www.rogerhalstead.com/ham_files/AntennaFeed1.htm  5 #31 cores and
>>> 6 turns of Davis BuryFlex(TM)
>>>
>>> 73
>>>
>>> Roger (K8RI)
>>>
>>>
>>>> Thank,
>>>> Dick NY1E
>>>> www.ny1e.com
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