[Hallicrafters] Of Mice and Hallicrafters

[Dave Harmon]

Naaaa......old radios need old insulation.
It's ok to pack it loosely in and around the xtals because you don't
want to get them TOO hot!
You might want to contact the person who gave you that rig and have them
check to see if there is some more Halliscratchers in the corner of the
shed. Likely you can get some more of that insulation for the rest of
this radio.
Gotta keep em' warm on them cold nights don't'cha know?

Regards

Dave Harmon
NSRCA 586
K6XYZ[at]valornet[dot]com
Broken Arrow, Ok.

-----Original Message-----
From: hallicrafters-bounces at mailman.qth.net
[mailto:hallicrafters-bounces at mailman.qth.net] On Behalf Of Julian Bunn
Sent: Wednesday, January 11, 2006 11:41 PM
To: K6XYZ at valornet.com
Cc: hallicrafters at mailman.qth.net
Subject: Re: [Hallicrafters] Of Mice and Hallicrafters

Wow! Thanks Dave ... in that case I'm glad I didn't discard it! I really
thought it was a nest :-)

The odd thing is, it wasn't actually around the crystal itself, it was
positioned just below the crystal oscillator tube (which, unlike
the other tubes, has a ceramic socket).

Is it a good idea to replace it with a more modern material?

Julian

Dave Harmon wrote:

>That's original insulation to keep a stable temperature around the
>crystals.
>The small, black specs and what look like black thread enhances the
>thermal coefficient.
>I've seen this several times previously but mostly on Collins
equipment.
>
>Regards
>
>Dave Harmon
>NSRCA 586
>K6XYZ[at]valornet[dot]com
>Broken Arrow, Ok.
>
>-----Original Message-----
>From: hallicrafters-bounces at mailman.qth.net
>[mailto:hallicrafters-bounces at mailman.qth.net] On Behalf Of Julian Bunn
>Sent: Wednesday, January 11, 2006 10:42 PM
>To: hallicrafters at mailman.qth.net
>Subject: [Hallicrafters] Of Mice and Hallicrafters
>
>I received a dusty old SX-62 Run 2 today. After removing the front 
>panel, and pulling
>the chassis out to take a look underneath, I found the following:
>
>http://pcbunn.cacr.caltech.edu/jjb/Hallicrafters/SX62/SX62_nest.jpg
>
>Either this is some sort of Hallicrafters insulation for the crystal 
>marker (unlikely),
>or a mouse had made his home under-chassis for a while. I wonder how
the
>set performed if it was operated with the mouse in residence? Perhaps a
>bit
>squeekily?
>
>Julian
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