leveling grand keys/heights

[Farrell]

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Also, I have been using the thin hitch pin felt punchings for my center =
rail felt in recent years. It is thinner than most proper "center rail =
felt punchings". They are thick enough to stop noise, but they are much =
more stable than the thicker things. Their use has drastically reduced =
key leveling frustration for me.

Terry Farrell
  ----- Original Message -----=20
  From: D.L.Bullock=20
  To: Alpha88x@aol.com ; pianotech@ptg.org=20
  Sent: Sunday, January 25, 2004 11:15 PM
  Subject: RE: leveling grand keys/heights


  Did you perchance think to level and dip the sharps?  They are just as =
important.  New keybed felt will often cause hammer line variation.  You =
can expect to never be able to replace keyfelts and level a keyboard =
without having to reset hammer line.  In fact each step you take in =
grand regulation will knock others out.  That is why to do the job right =
you must go through it in a definite order and you must go through is =
3-4 times...sometimes more.  Eventually everything stays where it is =
supposed to be.

  Please read the regulation book by Danny Boone available at Schaff.  =
It is the best one I have seen plus he taught me his methods of =
regulation before he wrote the book.

  D.L. Bullock  St. Louis
  www.thepianoworld.com

    -----Original Message-----
    From: Alpha88x@aol.com [mailto:Alpha88x@aol.com]
    Sent: Sunday, January 25, 2004 11:07 AM
    To: pianotech@ptg.org
    Subject: leveling grand keys/heights=20


    Greetings list,

                     I am doing my very first grand regulation. After =
carefully measuring the felt punchings thickness, I ordered new ones and =
replaced both front and balance rail felt punchings because they were =
shot. I also replaced keytops. The new keytops were .03 thicker than the =
old ones. I knew from the beginning I would have to compensate in the =
regulation for the new key heights, and probably some of the residual =
miscellaneous felt height as well.=20

                     At the job site I put lead weights on the keys' =
backs and levelled the white keys and then set the key dips on the =
whites as well. Then, because I am green at this, I removed the the =
keyframe from it's bed and replaced the stack, screwed it down and when =
I slid it back in, the keys were all different heights(!) What went =
wrong? Are the keys supppose to do this. Are my weights too heavy? Must =
I consider keyweight when leveling keys?=20

    rookie,
    Julia Gottchall,
    Reading, PA 
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