[Hallicrafters] Hallicrafters Dial Stringing Tips

[Dan Cotsirilos]

Fish line sold at fish supply stores is the best. They sell one that is just 
like the cloth type used on these older radios. You would swear it is the 
stuff. It is so strong it is very difficult to cut.


Dan K9DTC


----- Original Message ----- 
From: <wa1kbq at aol.com>
To: <hallicrafters at mailman.qth.net>
Sent: Saturday, October 16, 2010 9:24 AM
Subject: Re: [Hallicrafters] Hallicrafters Dial Stringing Tips


> The trick with dial string is to stay away from the cheap Chinese
> imposter stuff sold for dial string today. If you want to see a good
> high quality string look at dial string National installed in the
> Thirties. Most National string is still as good as it was 70 years ago.
> If I needed to replace a string I would probably try to find NOS
> General Cement of the correct size but I would cut and hang the needed
> length from a weight for a while first to pre-stretch it. The springs
> are designed to store enough tension to allow for temperature and
> humidity changes along with some expected stretching. In addition to
> dial string springs some Hallicrafters have tuner drive trains with
> spring loaded split gears which need to be disassembled for cleaning.
> SX-88's in particular often have flat spotted ball bearings after 55
> years of exposure combined with dried out lube. I have found it is
> easier to synchronize the gears first and install the springs
> afterwards but I slip a piece or wire through the spring in case the
> first attempt results in the spring flying across the room before I get
> it properly in place.
>
> Regards, Greg
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