[CAUT] Hammer Alignment

[Chris Solliday]

There's a reason we call it shank burning not glue redoing.
Chris Solliday
  ----- Original Message ----- 
  From: Jim Busby 
  To: College and University Technicians 
  Sent: Thursday, March 30, 2006 9:38 AM
  Subject: Re: [CAUT] Hammer Alignment


  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

   


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  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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