keyboard levelling

[Stéphane Collin]

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hello.

Up till now, I found nothing as accurate than eye balling, for key =
leveling.  I set mid and extreme keys right with a mechanician ruler, =
and then eye-ball for the other keys.  I'm just happy with this method.

St=E9phane Collin.
  ----- Original Message -----=20
  From: Quentin Codevelle=20
  To: pianotech=20
  Sent: Sunday, November 21, 2004 5:12 PM
  Subject: keyboard levelling


  Hi everybody,

  I wonder what kind of device you use for levelling keys.
  I use the aluminium yamaha straight edge which is very handy and =
practical.
  But I've noticed that it is not as straight as it was when new.
  It has warped a little since I bought it.
  So I'm considering in buying a new one.

  Or is there a way to accurately make one that will harldy warp or =
loose its "straightness"?

  A guy I know who went to the Yamaha Academy in Japan told me that they =
were selling another type of straight edge there.
  It consists of a wooden core, and two plexiglas bars glued to the =
wooden core (making sort of a "wood & plexi" sandwich).
  And then it is calibrated with a machine so it is straight.

  Maybe there is a way to build the same edge with good accuracy.


  Thanks,

  Quentin

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