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  
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Mein Ohr ganz nah am Weltempfänger...




On Thursday, November 7, 2024 at 10:16:46 AM HST, <[email protected]> wrote:


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Today's Topics:

  1. Data plate warping fix ? (Paul Thekan)
  2. Re: Data plate warping fix ? ([email protected])


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Message: 1
Date: Thu, 7 Nov 2024 10:03:56 -0800
From: Paul Thekan <[email protected]>
To: ARC-5 <[email protected]>,     Military Surplus Mail List
    <[email protected]>,    [email protected]
Subject: [ARC5] Data plate warping fix ?
Message-ID:
    <CAK4LMKMxDWtttgpAziMdw1fd4P-6gSanM9=FtuetcWvnWkdrAg@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: "[email protected]" <[email protected]>
To: ARC-5 <[email protected]>,     Military Surplus Mail List
    <[email protected]>,     "[email protected]"
    <[email protected]>,     Paul Thekan <[email protected]>
Subject: Re: [ARC5] Data plate warping fix ?
Message-ID: <[email protected]>
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 <[email protected]> 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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