[ARC5] ARC5 Digest, Vol 250, Issue 3

[sbjohnston at aol.com]

Maybe warm air would soften the plate a little and let it relax flat?
Restoring old radios, I've run into molded "plastic" items that were curled or warped, but as I looked closer I realized they had also been shrinking. I think the material may have lost some of the more volatile ingredient(s) and it was in a sense "drying up", and that was at least part of the reason for the misshapen condition.  I've not found any way to make those better.  


Steve WD8DAS   

sbjohnston at aol.com   
http://www.wd8das.net/   http://af4k-crystals.com/   
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    On Thursday, November 7, 2024 at 10:16:46 AM HST, <arc5-request at mailman.qth.net> wrote:   

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Today's Topics:

  1. Data plate warping fix ? (Paul Thekan)
  2. Re: Data plate warping fix ? (hwhall at aol.com)


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Message: 1
Date: Thu, 7 Nov 2024 10:03:56 -0800
From: Paul Thekan <pfthekan at gmail.com>
To: ARC-5 <arc5 at mailman.qth.net>,     Military Surplus Mail List
    <milsurplus at mailman.qth.net>,    MRCG-West at groups.io
Subject: [ARC5] Data plate warping fix ?
Message-ID:
    <CAK4LMKMxDWtttgpAziMdw1fd4P-6gSanM9=FtuetcWvnWkdrAg at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

I have a data plate that is
warping/shrinking up that if possible without damaging it I would like to
flatten out. It looks to be fibrous and not plastic.
I'm sure this question has come up before. Unless someone has successfully
found a way to do this...I'm maybe leaning more to just leave it as is.
It's from a Navy AMA radio that was going to be used in a amphibious glider
but the program was scrapped. It's similar to the BC-721 that were used in
the gliders on D-Day.

Tnx
Paul
N6FEG
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Message: 2
Date: Thu, 7 Nov 2024 20:14:22 +0000 (UTC)
From: "hwhall at aol.com" <hwhall at compuserve.com>
To: ARC-5 <arc5 at mailman.qth.net>,     Military Surplus Mail List
    <milsurplus at mailman.qth.net>,     "mrcg-west at groups.io"
    <mrcg-west at groups.io>,     Paul Thekan <pfthekan at gmail.com>
Subject: Re: [ARC5] Data plate warping fix ?
Message-ID: <975582364.35643.1731010462438 at mail.yahoo.com>
Content-Type: text/plain; charset=UTF-8

I had some large circular dial plates that sound like they were the same material. I could flatten them after hot water soaking but they always curled back up before long, no matter how long I kept them under weights to flatten them.

Wayne
WB4OGM

On Thursday, November 7, 2024 at 11:04:30 AM MST, Paul Thekan <pfthekan at gmail.com> wrote: 

I have a data plate that is?
warping/shrinking up that if possible without damaging it I would like to flatten out. It looks to be fibrous and not plastic.
I'm sure this question has come up before. Unless someone has successfully found a way to do this...I'm maybe leaning more to just leave it as is. It's from a Navy AMA radio that was going to be used in a amphibious glider but the program was scrapped. It's similar to the BC-721 that were used in the gliders on D-Day.

Tnx
Paul
N6FEG?

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End of ARC5 Digest, Vol 250, Issue 3
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