hammer shank length

llafargue llafargue@charter.net
Thu, 19 Feb 2004 08:20:58 -0600


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5" to 5 1/8"  
If the hammer is mounted much longer than 5 1/8", touch gets heavy, if
shorter than 4 7/8", you get regulation problems and reduces leverage.
Also, tails may hit whippen flanges when hammer comes to rest.  
 
I just worked on a 2001 M&H BB and the hammer line was so off, if you
pushed the action in for proper strike @ C8 the back checks interfere
with sostenuto and under levers, no matter what.  The piano is also
breaking strings at the V bar and I suspect the hammer line has
something to do with it.  Regards,
 
Lance Lafargue, RPT
LAFARGUE PIANOS
New Orleans Chapter, PTG
985.72P.IANO
llafargue@charter.net
 
-----Original Message-----
From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf Of
Wimblees@aol.com
Sent: Wednesday, February 18, 2004 2:59 PM
To: caut@ptg.org
Subject: Re: hammershank length
 
In a message dated 2/18/04 2:56:57 PM Central Standard Time,
hgreeley@stanford.edu writes:
Even though it goes a bit far in following the theory, Ed McMorrow's
book 
has the best (so far) examination of the variables.

Best.

Horace
I don't have his book. What does Ed have to say about this?
 
Wim 

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