Steinway D specs

[Erwinspiano at aol.com]

HI Terry
  I have 20's D & 70's D in the shop.  I can fit  the 20's action into the 
70's but not vice verse.  The drop screws  hit/slam into the stretcher.  I've 
seen string heights vary enough  that one would not be able to do a quality 
hammer job by guessing.  Usually  note 88 string height  is about 193 mm off the 
keybed with the middle of  the piano a bit higher at 194  to 195mm. Steinway  
S,m,l's,O's  & A's etc seem to be between 188 & 190 at note 88 and a bit higher 
 in the middle. Standard bor is 2 1/8 th in the bass & 1 13/16 this tenor  
treble/  B C D are average about 3 to 4 mm higher....bbbuuut... there are  
always exceptions so proceed at your own risk.
  Dale

Hmm,  that's surprising. The stringing scales are the same as are hammer 
specs, at  least according to mapes and W.Brooks. The latter just would like a few 
 original hammer heads weighed. They already have bore, pitch, size and all  
that.

Terry Peterson


 



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