Warped keyframe

Stéphane Collin collin.s@skynet.be
Mon, 11 Feb 2002 14:49:30 +0100


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Hello Victor,

Did you see in the appartement an obvious cause for the keyframe to be =
warped ?
I think small appartements can often have quick and drastic changes in =
humidity level.  I just had this case of a 7ft 8in Bechstein grand, =
placed in a very small appartement, just next to a radiator.  In the =
first week of the winter, the piano lost as much as 3 mm key depth (and =
gained up to 4 cracks in the soundboard).  The owner is now controling =
more seriously the climate in his room and in the instrument.

St=E9phane Collin
  ----- Original Message -----=20
  From: victor belanger=20
  To: pianotech@ptg.org=20
  Sent: Monday, February 11, 2002 1:41 PM
  Subject: Warped keyframe


  Heelo all,

  I need your help in deciding what to do with a Howard #550 (Kawai) =
Ser#
  2905365.
  They key frame is warped upwards at the center of the front rail. I am =
not
  sure if the balance area or the back part of the4 frame is also =
warped. Did
  not get the chance to look at it; and could not really figure out how =
to do
  it in a small apartment.

  What is the best remedy.

  Thanks

  Regards.

  Victor Belanger
  Somerville, MA



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