Loose Bridge Pins and False Strings

[David Ilvedson]

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Oooo....that's sounds like a great title for a convention=
 class..."taming the wild beats"

David I.







Original message
From: Alan 
To: 'Pianotech' 
Received: Fri, 15 Apr 2005 19:02:37 -0500
Subject: RE: Loose Bridge Pins and False Strings


The real world ....
 
Tuned a little console today, not bad for a Wurly and really=
 pretty clean in the treble, except for one absurdly wild string.=
 Ran the old "beat eliminator" down to the bridge and the beat,=
 mostly, went away.
 
Also tuned and older Hamilton studio. Treble just grossly=
 obnoxious. Took a peek at the bridge. It looks like most of the=
 pins have risen about halfway out of their holes, standing about=
 1/8" to 1/4" higher than the bridge top! There was no one there=
 (rural church) to authorize any repairs and I was out of time=
 anyway, but I'd like to lay that puppy down and epoxy in some=
 slightly longer and/or thicker pins just to see if the results=
 are worth the trouble.
 
By the way, I once removed a thundering herd of wild beats from a=
 little Francis Bacon (gblerk, pfff) grand this way. If anyone=
 wants the beats I took out, I can ship immediately. But right=
 now I'm filling out a legal form, donating my nostrils to=
 science.
 
Alan R. Barnard
Salem, MO
-----Original Message-----
From: pianotech-bounces@ptg.org=
 [mailto:pianotech-bounces@ptg.org] On Behalf Of Michael Gamble
Sent: Friday, April 15, 2005 11:49 AM
To: Ron Nossaman
Cc: pianotech@ptg.org
Subject: Loose Bridge Pins and False Strings


Hello Ron N and Listers
I sent this yesterday:
Hello Ron (and List)
Your statement about false beats is a "must read" for all=
 interested in 
tuning pianos. I concur with all you have said. It all makes=
 profound sense. 
I now eagerly await a "trial by fire". I have therefore put your=
 obiter 
dictum on the List for all to read.
Now....
Today I have had the opportunity to test your statement about=
 loose bridge pins =3D false strings. I took a screw driver to a=
 false string in the D5 zone where there was a particularly=
 obnoctious falseness (piano: baby grand Hopkinson) and... it=
 worked!  The beat disappeared as I touched the pin on the=
 speaking/string side. Remove screw driver and the falseness=
 reappears. OK. The owner knows the bridge is split at several=
 pins (not where I was experiencing that Nossaman Phenomenon=
 though) and he accepts the high cost factor of replacing the=
 capping. So, I rest your case.
Regards
Michael G.(UK)


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