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 Post subject: Re: Need hint to prevent slipping dial cord on tuning shaft
PostPosted: Nov Tue 25, 2014 9:02 pm 
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Location: Haledon, NJ, usa
radiodale1 wrote:

And yes the radio worked when it left the factory with a cord of cotton string tied in a knot without a spring.

That is not likely.
Dial strings leaving the factory would normally have had a spring ....and were usually made of that braided black material like fishing line.

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 Post subject: Re: Need hint to prevent slipping dial cord on tuning shaft
PostPosted: Nov Tue 25, 2014 10:49 pm 
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Location: Roanoke, VA
Pbpix wrote:
....and were usually made of that braided black material like fishing line.

I have seen braided fishing line suggested as replacement dial cord. That makes sense, as it is tough, flexible, and does not stretch.

G-C sold thirteen different replacement dial cords. See the "catalog" section at the end of the 1945 G-C dial belt guide:

http://plymouthcolony.net/starcity/radios/pages/replace.html#gc

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 Post subject: Re: Need hint to prevent slipping dial cord on tuning shaft
PostPosted: Feb Mon 23, 2015 9:30 pm 
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Location: Merrick,NY,USA
Pbpix wrote:
All good advice above!

I've never tried it but.. since solder-flux is also rosin... maybe some solder flux paste spread on the string might work?



After changing about two hundred dial strings without a hitch, I finally ran into one that slipped despite my best efforts to correct the problem. I used to scoff at all of these posts aimed at correcting "dial string slippage" thinking that the posters just didn't know how to do the job right :oops: Until it happened to me. So Peter, thanks for your tip on using solder flux. After reading your post and exhausting all other efforts, I reached for an ancient bottle of GC electronics soldering flux and rubbed it onto the string. I can confirm that it works. In fact, it worked like a charm! :D


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 Post subject: Re: Need hint to prevent slipping dial cord on tuning shaft
PostPosted: Feb Mon 23, 2015 11:03 pm 
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Location: Haledon, NJ, usa
Michael Simos wrote:
Pbpix wrote:
All good advice above!

I've never tried it but.. since solder-flux is also rosin... maybe some solder flux paste spread on the string might work?



After changing about two hundred dial strings without a hitch, I finally ran into one that slipped despite my best efforts to correct the problem. I used to scoff at all of these posts aimed at correcting "dial string slippage" thinking that the posters just didn't know how to do the job right :oops: Until it happened to me. So Peter, thanks for your tip on using solder flux. After reading your post and exhausting all other efforts, I reached for an ancient bottle of GC electronics soldering flux and rubbed it onto the string. I can confirm that it works. In fact, it worked like a charm! :D

Hi Mike:
Wow... well... that's a pleasant surprise.
I had always only used the liquid rosin I have so using solder-paste rosin was just a logical but wild hopeful guess.
Glad it worked... now I'll have to try it myself... lol

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 Post subject: Re: Need hint to prevent slipping dial cord on tuning shaft
PostPosted: Mar Fri 13, 2015 8:40 pm 
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Joined: Apr Wed 24, 2013 10:08 pm
Posts: 885
Location: Highland, MI
I inherited a few spools of cording used for medical sutures. It was in my mother's sewing kit, and it looks exactly like the string used for radio dials. Lucky me, I have enough to last me many dozen radios.

Unfortunately, it's not exactly a popular source for dial string.


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 Post subject: Re: Need hint to prevent slipping dial cord on tuning shaft
PostPosted: Mar Wed 18, 2015 11:58 pm 
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Joined: Jun Sun 16, 2013 6:52 pm
Posts: 328
Location: Cambridge Ontario
Some tuning caps have a little locking nut with an adjustment screw inside to adjust the proper fit of the mechanism. Does yours have one of these? If so maybe someone adjusted it too tight.


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