action reg puzzler on M & H BB

Joe And Penny Goss imatunr at srvinet.com
Mon Sep 25 14:26:52 MDT 2006


Dats what I said only I did this <G>
Joe Goss RPT
Mother Goose Tools
imatunr at srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "David Andersen" <david at davidandersenpianos.com>
To: "Pianotech List" <pianotech at ptg.org>
Sent: Monday, September 25, 2006 1:35 PM
Subject: Re: action reg puzzler on M & H BB


> 
> On Sep 25, 2006, at 9:08 AM, Mark Potter wrote:
> 
> > However, under continuous mf - ff blows, as in tuning, after  
> > anywhere from 1 to 10 strikes (letting the key all the way up), the  
> > hammer will get caught on it's way back up by the back check,  
> > thereby not allowing it to strike.
> 
> Hmmm. Speculative diagnostic fantasy #2:  the keys are chucking front- 
> to-back, and it takes the 10-15 hard blows to work the keys back a  
> bit and in so doing the backchecks gradually move to bind the hammers?
> 
> A shot in the dark, perhaps...
> David A.
> 


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