[TowerTalk] House Entry

[Mike McCarthy, W1NR]

I use 24" wide copper flashing material available at building supply houses
and layer it onto plywood.  I then have some 5" coax feedthroughs I picked
up at a flea market going through it.  The copper panel then replaces the
lower half of my window in the shack.  The plywood/copper panels sandwich
a piece of rigid foam building insulation.

Mike, W1NR


-----Original Message-----
From: owner-towertalk@contesting.com
[mailto:owner-towertalk@contesting.com]On Behalf Of Pete Smith
Sent: Monday, April 30, 2001 3:22 AM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] House Entry


At 09:45 PM 4/29/01 -0500, WA9ALS - John wrote:
>> Okay, I give up. Where can I find 1/8" copper plate, and how much is it
>> going to cost?
>
>Try http://www.mcmaster.com
>then search for "copper sheet"  They have copper plate too, but it starts
at
>1/4 inch.
>
>Everything and more than you wanted to know.  12x12 inch 0.187 in thick
>copper alloy 110 is $43.80.  0.062 in is $18, and 0.016 is $10.86.  You can
>order as small a quantity as you like on many things, and they ship out
>right away - nicely packaged too!  They also have a lot of info about their
>stuff available on the web site!  Good place to get stainles steel sheets
>too to make shims etc.

You might also want to consider using aluminum sheet, or mounting the
thinner copper on a same-size sheet of plywood for structural strength.

73, Pete N4ZR
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