hammer shapes and symmetry

[Dave Nereson]

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  ----- Original Message -----=20
  From: Delwin D Fandrich=20
  To: Pianotech=20
  Sent: Saturday, May 31, 2003 10:52 AM
  Subject: Re: hammer shapes and symmetry



  I was
  able to observe pianos go from having a raw, but potentially =
wonderful,
  sound just before pounding deteriorate to dull thudders after =
pounding. The
  only thing that would bring them back up was to sand off the top =
layers of
  felt--spoiling that nice shape--or applying a liberal quantity of =
juice.
  The solution of choice was the solution. But the sound was never the =
same
  again. The dynamics were lost in the solution. (Sorry about that...)
  >     On a lacquer soaked hammer, there seems to be little difference =
in
  the
  > tonal range due to shape.
  Sadly, considering what has been lost, I agree.
  Del
  pianotech list info: https://www.moypiano.com/resources/#archives

      Pounding?  You mean pounding the felt to harden it?  Or the =
pounding of pitch raising and tuning?=20
      --David Nereson, RPT


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