[CAUT] M & H model 50

[Don Mannino]

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Aaron,
=20
Does this action have stickers / tongues, or does it have normal wippens
with tall capstans?
=20
Sorry, I'm not sure about the flange availability, but the versions with
the stickers and short capstans have a real problem with the geometry
which can be fixed fairly easily.  The performance is improved greatly.
=20
Don

-----Original Message-----
From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf Of
Aaron Bousel
Sent: Saturday, January 14, 2006 9:25 PM
To: caut@ptg.org
Subject: [CAUT] M & H model 50


There is a Mason & Hamlin upright model 50 (vintage 1975) I service and
at the last tuning the owner was complaining about bobbling hammers. The
hammer pinning is very loose. I played around with the note that was
bothering her the most and through a combination of repinning and
strengthening the hammer return spring was able to all but eliminate the
problem. The piano is in good regulation. Here's the issue: The action
is really poorly made. 1975 was not exactly the golden age for these. In
repinning the one I did, I could see that the flange bushing cloth was
poor quality. It would be wonderful to replace the whole action, but
that's not going to happen. Does anyone know if it's possible to get
replacement hammer flanges? These flanges are different from the generic
ones sold by piano supply houses. If that's not possible, I have to go
with rebushing what's there. Any recommendations on a good source of
flange bushing cloth? I know M&H are making these again. Anyone know if
the action design is the same?

thanks,
Aaron



------------------------------------------
Aaron Bousel
Registered Piano Technician, Piano Technicians Guild
abousel@comcast.net
(413) 253-3846 (voice & fax)=20


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