[Hallicrafters] HT-20 Chassis Finish

[Mike Lopez]

Most of the Halli's having a silver collored steel chassis I've encountered 
have been Cadmium plated, though sometimes not very well.

Mike

----- Original Message ----- 
From: "Peter May" <peter_may at optusnet.com.au>
To: "Robert Nickels" <W9RAN at oneradio.net>
Cc: <hallicrafters at mailman.qth.net>
Sent: Sunday, December 31, 2006 12:40 AM
Subject: Re: [Hallicrafters] HT-20 Chassis Finish


> There was also a metal treatment called "phosphorised" around in those 
> days.
> I've also encountered it on vintage motorcycle guards and tanks. Its more 
> of
> a grey color.
> Not sure whther it is what was used on the Hallic chassis though, my 
> SX-101
> chassis was in a terrible state.
> Basically wherever dust had settled the chassis had rusted. Took a lot of
> cleaning with the assistance of a rust dissolver to make it look only
> slightly better.
>
>
>
> Regards
>
> Peter
> VK6PMY
> ----- Original Message -----
> From: "Robert Nickels" <W9RAN at oneradio.net>
> To: "Glen Zook" <gzook at yahoo.com>
> Cc: <hallicrafters at mailman.qth.net>
> Sent: Sunday, December 31, 2006 1:11 AM
> Subject: Re: [Hallicrafters] HT-20
>
>
>> Glen Zook wrote:
>> > I have an HT-20 that is in good shape.  It requires
>> > something like 144 screws to be removed to be able to
>> > get to everything!
>> >
>> Hi Glen,
>>
>> Thanks for your reply - the gazillion screws aside, this one also
>> needed  penetrating oil, vise-grips, wrenches, a prybar and a 12" long
>> drill bit to drill out ALL of the bristol setscrews in order to get the
>> knobs off!  After I twisted my little L-shaped bristol wrench until it
>> looked like a barberpole, I knew they would never come out the normal
>> way.  But despite fretting corrosion I managed to get them all off in
>> good shape and I think this transmitter is rare enough to warrant the
>> effort to restore it.
>>
>> My question is - how would you describe the chassis finish?  I't's
>> plated,  but between the rust spots and the normal corrosion these rigs
>> with perforated covers always seem to end up with, it's hard to tell
>> whether it's the usual (typically zinc) plating or something shinier.
>>
>> I was also going to ask whether all the shielding was standard equipment
>> but I think you have already answered that!
>>
>> 73 Bob W9RAN
>>
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