[CAUT] Hammer Alignment

[Jim Busby]

Wim,

 

I saw them burning shanks at Steinway. The explanation was that the
shank is sugar maple and heat makes the "sugar" somewhat liquefied for a
moment and then quickly cools into the new twist. I've been doing this
for years w/o problems. It's permanent. However, if you have too much to
twist I could see removing the hammer, etc.

 

Just my two bits.

 

Jim Busby BYU

 

________________________________

From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of
Wimblees at aol.com
Sent: Thursday, March 30, 2006 4:35 AM
To: caut at ptg.org
Subject: Re: [CAUT] Hammer Alignment

 

In a message dated 3/29/06 10:00:51 P.M. Central Standard Time,
garym at PIANOSERVICE.BIZ writes:

	Wim, 

	 

	I'm sure it gets warmer than 120 degrees. Just think about it.
It gets hotter than 120 degrees in a car on a hot day in summer in
Kansas, but I have never been able to twist a hammer under those
circumstances.

	 

	If you are only moving the hammer 1 or 2 degrees, why take the
chance? Just twist the shank. If the Rappaports do it, then there must
be something to it...

	 

	Sincerely,

	 

	Gary Mushlin, RPT

Here is another "twist", (no pun intended), on this subject. Yes, wood
molecules can be changed by heating them, like rib stock and rims. But
when it is done in the factory, the wood is heated and clamped into a
new shape, and set there for several hours before the clamps are
removed. When we burn a shank, all we are doing is temporarily heating a
shank and twisting it for a few second before letting go. Is this
changing the molecules long enough to permanently change the
configuration for ever?

 

Wim  

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