[pianotech] Weekend puzzler

tnrwim at aol.com tnrwim at aol.com
Sat Jul 16 09:11:22 MDT 2011




DRAGGING SPOON ON KEY END FELT?

Grands do not have spoons





-----Original Message-----
From: Joe Goss <imatunr at srvinet.com>
To: pianotech <pianotech at ptg.org>
Sent: Sat, Jul 16, 2011 2:47 am
Subject: Re: [pianotech] Weekend puzzler


DRAGGING SPOON ON KEY END FELT?
Joe Goss BSMusEd MMusEd RPT
imatunr at srvinet.com
www.mothergoosetools.com

----- Original Message ----- 
From: Tom Driscoll 
To: pianotech at ptg.org 
Sent: Saturday, July 16, 2011 6:28 AM
Subject: Re: [pianotech] Weekend puzzler


I,m reaching ,but capstan-whippen cushion problem ? Worn cushion ?
Tom Driscoll

----- Original Message ----- 
From: Delwin D Fandrich 
To: pianotech at ptg.org 
Sent: Saturday, July 16, 2011 2:09 AM
Subject: [pianotech] Weekend puzzler



The piano is a 1928 Chickering Model M, Scale 141 (small concert size). The problem is this:
 
As the key is depressed slowly—pianissimo—for the first millimeter or so the key and hammer move smoothly. Then something starts binding, it feels like something in the action is dragging, holding the key and action back. After forcing the key down another three or four millimeters action becomes free and everything operates normally. On a medium to hard blow there is good power and the problem is hardly noticeable but at pianissimo the action will hardly play.
 
What is the problem and what caused it?
 
ddf
 
Delwin D Fandrich
Piano Design & Fabrication
6939 Foothill Court SW, Olympia, Washington 98512 USA
Phone  360.515.0119 — Cell  360.388.6525
del at fandrichpiano.comddfandrich at gmail.com
 


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