[CAUT] restringing problems

Paul T Williams pwilliams4 at unlnotes.unl.edu
Mon Nov 8 13:32:56 MST 2010


Richard,

How are the agraffes? Are they somehow pulling up and out, or did you 
replace them, too?  Sounds weird to me as well. Hitch pins old and ready 
to break? Pin block solid in that area? Bad tuning pins?  Bad wire?  Lots 
of things I might look at.

Best,
Paul




From:
"rwest1 at unl.edu" <rwest1 at unl.edu>
To:
College and University Technicians <caut at ptg.org>
Date:
11/08/2010 01:09 PM
Subject:
[CAUT] restringing problems



Several weeks ago I was hired to restring a Knabe grand (around 5' 6" 
or so) that was around 100 years old.  Everything went fine, but 
there's one area that will not stabilize--F#6 to b flat 6, all size 
14 wire.  I've tuned the piano several times, but I keep having to go 
back to the aforementioned area to clean up the unisons that have 
gone flat, some by a considerable amount.

The pins are tight.  The coils are tight.  The beckets are good.  I 
believe the bridge pins are solid (I used fresh Dryburgh superglue). 
Plate bolts are solid.  I tuned the piano again today and it seemed 
that things might hold this time, but I'm looking for suggestions in 
case those notes go crazy again.  The notes above and below are 
stabilizing about as I would expect with a restringing.  I'll be 
going back in 2 weeks to check.  If the problem involved only one 
note/string, I'd just replace the string and see if that was the 
cure.  But there are several strings on several notes.

I've restrung many pianos over the years and never had a problem like 
this.  What's going on?

Richard West








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