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Re: [TowerTalk] waterproofing big #31 clamp-on choke

To: <jim@audiosystemsgroup.com>, <towertalk@contesting.com>, "Tom Frenaye" <frenaye@pcnet.com>
Subject: Re: [TowerTalk] waterproofing big #31 clamp-on choke
From: "Bob Shohet, KQ2M" <kq2m@kq2m.com>
Date: Thu, 29 Jun 2017 16:34:20 -0400
List-post: <mailto:towertalk@contesting.com>
Tom,

Which company made the cores that you use?


Bob  KQ2M

From: Tom Frenaye 
Sent: Thursday, June 29, 2017 4:03 PM
To: jim@audiosystemsgroup.com ; towertalk@contesting.com 
Subject: Re: [TowerTalk] waterproofing big #31 clamp-on choke

At 01:50 PM 6/29/2017, Jim Brown wrote:
>Since I first published this work around 2007, I've yet to receive word of 
>problems from moisture, except a single report of cracking from freeze/thaw 
>with multiple cores. That's only one report in 9 years. 

Jim -

Add me to the list, I've had cores disintegrate over the years.  I use several 
them at the base of my 80 and 160 4-square verticals, wrapped in electrical 
tape to hold them together.   The problem could have been freeze/thaw cycles, 
or heating when one of the verticals detunes when it breaks and I didn't notice 
the problem on the shack end.

I suspect those of us in ice/snow country see it more often than the San Jose 
area does...   Haven't found a good solution yet, I have trouble imaging that 
the addition of a box and associated connectors, caulking and hardware will be 
more reliable over time.

    -- Tom


--------------------------------------------------------------------------------------------------------------------
e-mail: frenaye@pcnet.com    YCCC  --> http://www.yccc.org/
Tom Frenaye, K1KI, P O Box J, West Suffield CT 06093 Phone: 860-668-5444 
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