Ron L,
Excellent idea, I would lack the skill and equipment to do it, no wonder that
would never have entered my mind.
I have thought about a giant tap for the ones that have shrunk, do you know the
size?
Steve
> From: [email protected]
> To: [email protected]
> Date: Sun, 18 Aug 2013 15:13:56 -0400
> Subject: Re: [Phono-L] Curious Diamond B problem
>
> It's a brass ring, right? I wonder if you could slit the ring and soft
> solder in a spacer that is either just shy of the threads or filed to match
> the threads?
>
> Ron L
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On
> Behalf Of john robles
> Sent: Sunday, August 18, 2013 9:50 AM
> To: Antique Phonograph List
> Subject: Re: [Phono-L] Curious Diamond B problem
>
> Steve, the diameter of both the Diamond B and Diamond C compressions rings
> is 1.66. The inside diameter of the Diamond C body is 1.66. The inner
> diameter of the Diamond B body ranges up to1.6730, and is slightly
> inconsistent in circumference. So there is obvious enlargement there.
> John
>
>
>
>
> ________________________________
> From: Steven Medved <[email protected]>
> To: Antique Phonograph List <[email protected]>
> Sent: Sunday, August 18, 2013 5:26 AM
> Subject: Re: [Phono-L] Curious Diamond B problem
>
>
> Normally the Diamond B does not expand that much unless it was stored where
> temperatures varied over the years like an unheated attic where it got very
> cold in the winter and very hot in the summer. Pot metal reproducer on
> Vancouver Island in the Victoria area remain pristine due to the relative
> small variance in temperature.
>
> Edison compression rings vary in diameter from 1.59 to 1.69. If the largest
> ring you have will not thread I use Teflon tape because it will allow easy
> removal.
>
> With the Model R and S you have the opposite problem and need a smaller
> ring. That's Pot Metal Folks.
>
> Steve
>
>
> > Date: Sun, 18 Aug 2013 04:39:49 -0700
> > From: [email protected]
> > To: [email protected]
> > Subject: [Phono-L] Curious Diamond B problem
> >
> > Hello all
> > I have a Diamond B reproducer with a curious problem. I went to rebuild
> it, and when I tried to unscrew the diaphragm retaining ring, it turned but
> did not want to come out. Finally I eased it out by unscrewing while working
> a small screwdriver blade under it to help push it outward. When it came
> out, I noticed that it had Scotch tape wrapped around it. When I removed the
> tape and went to screw it back into the reproducer, it fell to the bottom of
> the reproducer body. The threads did not engage with the body. I had another
> ring from a Diamond C and it did the same thing, but both rings worked in
> the Diamond C. I thought they were two different sized reproducer bodies,
> but apparently they are supposed to be the same diameter.
> > A knowledgeable collector friend suggested that the pot metal body of the
> Diamond B might have expanded. Has anyone else had this happen? What would
> be a solution, other than shimming the ring again? Or is that THE solution?
> > Thanks
> > John Robles
> > _______________________________________________
> > Phono-L mailing list
> > http://phono-l.org
>
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