Reverse Torque tuning pins & reverse crown

[Erwinspiano at aol.com]

In a message dated 4/6/2007 4:42:41 A.M. Pacific Daylight Time,  
davidskolnik at optonline.net writes:

Dean -  what do you or anyone else know about reverse crown boards, as a 
design  parameter, as opposed to a bad hair day.  Perzina is apparently using  
this method in their uprights.  I spoke with one gentleman from the West  Coast 
company that is distributing them - Piano Empire - but he is not an  engineer.  
I might be able to find out more if I get to MARC.  The  one piano of their's 
that I heard sounded good, but I'm having trouble  conceptualizing the 
principles.


regards -
David  Skolnik



David
  I'll be at marc.  Talk to me about  this
  Dale



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