Intermittent ZINGing Chopin on M&H 1923 model AA

[Alan]

Okay, I give up. How do you "move the string at the agraff?"

Alan R. Barnard
Salem, MO

-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
Behalf Of Joe And Penny Goss
Sent: Sunday, July 13, 2003 4:46 PM
To: Pianotech
Subject: Re: Intermittent ZINGing Chopin on M&H 1923 model AA

Ditto on this Mike. I found moving the string at the agraff away from
the
damper wire was enough to solve the buzz. That saved having to bend
damper
wires but ment having toresurface the hammer and relevel the string.
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "Mike Kurta" <mkurta@adelphia.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Sunday, July 13, 2003 3:22 PM
Subject: Re: Intermittent ZINGing Chopin on M&H 1923 model AA


>     Dave, I ran into this once and found the damper wire was too close
to
a
> string and at certain times a buzzy zing would occur.  Maybe?
>     Mike Kurta
> ----- Original Message -----
> From: "Dave Smith" <dsmith941@comcast.net>
> To: "Pianotech" <pianotech@ptg.org>
> Sent: Sunday, July 13, 2003 5:08 PM
> Subject: Intermittent ZINGing Chopin on M&H 1923 model AA
>
>
> > I installed a dampp chaser on a nicely rewhatevered  M&H AA circa
1923
> which
> > just migrated to Florida.  Will  be going back to tune in a month or
so.
> > Meanwhile, owner complains of a buzzing or zinging sound on G#6
which is
> > intermittant and only appears once in a while in a certain Chopin
Etude.
> > Sure enough, no amount of my playing around with this or adjacent
notes
> > caused the problem, but I did hear it when she played the Chopin.
Very
> > short ZINGing sound as if a small screwdriver momentarily touched
the
> > string.  Damper felt looks normal.   Damper adjustment seems right.
I
> could
> > see nothing out the the ordinary, at least to my eyes.  I removed
the
> action
> > and checked the damper wire screw for this note, it was tight.  I
did,
> > however, notice that by manually lifting and dropping each damper
lever,
> the
> > one for G#6 caused a more metallic  sound when dropped than did its
> > neighbors.  Could not figure out why.  Need to be able to fix this
noise
> > upon returning next month.
> >
> > I have read the archives on damper zing.  Dont think it is damper
felt
> > problem in this case.  Wondering if loose damper lift flange or a
flukey
> > damper spring maybe could cause this sound?  If so, the damper
flange
> screws
> > on this model appear to be inaccessable, as they are vertical.
Looks as
> if
> > the entire damper assemply would have to come out just to check lift
> flange
> > screws.
> >
> > It's likely I've missed some basic thingee that everyone else knows.
Hope
> > so!  I would appreciate any thoughts on troubleshooting this noise,
as
> well
> > as any insight on how the damper lift flange screws can be
tightened,
> short
> > of removing entire damper assembly.
> >
> > Dave Smith
> > SW FL
> >
> > _______________________________________________
> > pianotech list info: https://www.moypiano.com/resources/#archives
> >
>
> _______________________________________________
> pianotech list info: https://www.moypiano.com/resources/#archives

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