<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2900.3243" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY id=role_body style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Arial" bottomMargin=7 bgColor=#ffffff leftMargin=7 topMargin=7 rightMargin=7> <DIV> </DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=Erwinspiano@aol.com href="mailto:Erwinspiano@aol.com">Erwinspiano@aol.com</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, January 22, 2008 10:43 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Soundboard drydown for installation</DIV> <DIV><FONT id=role_document face=Arial color=#000000 size=2></FONT> </DIV> <DIV><FONT face=Arial color=#000000 size=2> <STRONG><EM>With the Sitka that you are using your boards stand a way better chance of surviving than the Much softer varieties of spruce such as the white boards that Or Eastern spruce.  At 5% emc when ribbing and crowning ribs you have a great sounding piano with less opportunity for damage.</EM></STRONG></FONT></DIV> <DIV><FONT face=Arial color=#000000 size=2><STRONG><EM></EM></STRONG></FONT> </DIV> <DIV><FONT face=Arial color=#000000 size=2><STRONG><EM></EM></STRONG></FONT> </DIV> <DIV><FONT face=Arial color=#000000 size=2><STRONG><EM><FONT color=#0000ff>5% is currently my ideal. Without adding humidity right now, I can get 4% without even throwing my boards into a hot box.</FONT></EM></STRONG></DIV> <DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"> <DIV><STRONG><EM><FONT size=3>I have other thoughts about the crowned bridge stuff.  Maybe there issomething to it that we just can't quantify.  Yes I know the idea has been thoroughly shot down on list & we can agree to disagree but I can think of one board I did that had a real sparkle to it when I did this.  Not only that but the board set right into the piano & the trebles & bass corners didn't require the requiste stress to get them down on the rim. Yes there is a slight bending stress that is introduced along the grain but is that a bad thing.....  Is it a positive thing?  Perhaps</FONT></EM></STRONG></DIV></BLOCKQUOTE></DIV> <DIV><FONT style="BACKGROUND-COLOR: transparent" face=Arial color=#000000 size=2><FONT size=3></FONT> </DIV> <DIV><FONT color=#0000ff><STRONG><EM>Actually I'm fascinated with the idea of the crowned bridge, I just don't understand the point and I blame that on my own density, but it doesn't mean I'm closed or won't change my mind as I attain more experience. Obviously, as Ron states, I am aware of cross grain crowning as a result. You haven't glued in a board without dealing with that first hand.</EM></STRONG></FONT></DIV> <DIV><STRONG><EM><FONT color=#0000ff></FONT></EM></STRONG> </DIV> <DIV><STRONG><EM><FONT color=#0000ff>Best,</FONT></EM></STRONG></DIV> <DIV><STRONG><EM><FONT color=#0000ff></FONT></EM></STRONG> </DIV> <DIV><STRONG><EM><FONT color=#0000ff>Jude Reveley, RPT<BR>Absolute Piano Restoration, LLC<BR>Lowell, Massachusetts<BR>(978) 323-4545</FONT></EM></STRONG></DIV> <DIV><FONT size=3></FONT> </DIV></FONT> <DIV></DIV> <DIV> </DIV></FONT><BR><BR><BR> <DIV><FONT style="FONT: 10pt ARIAL, SAN-SERIF; COLOR: black"> <HR style="MARGIN-TOP: 10px"> Start the year off right. <A title=http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489 href="http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489" target=_blank>Easy ways to stay in shape</A> in the new year. </FONT></DIV></BLOCKQUOTE></BODY></HTML>