soundboard stresses

[Delwin D Fandrich]

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  ----- Original Message -----=20
  From: Erwinspiano@aol.com=20
  To: pianotech@ptg.org=20
  Sent: October 13, 2003 8:27 PM
  Subject: Re: soundboard stresses


  In a message dated 10/13/2003 6:32:31 PM Pacific Daylight Time, =
Erwinspiano@aol.com writes:
         Ron
         I don't know & ...I don't know but I thought I just read on =
this list recently that John Patton Of S&S is now stating that their =
boards are now being pressed at 5.5% EMC. To me this would yield a =
fairly amount of crown in the rehydrated panel. To achieve this level =
for sure takes a well set up box & regular monitoring.
    I meant to say "yield a fairly small amount of  crown."  Duh!--Dale

But pressed into curved cauls. The effect on the soundboard panel is the =
same as if it were pressed at a somewhat lower MC.

Del
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