<!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 6.00.2800.1106" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face="Comic Sans MS" color=#000080></FONT> </DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000080 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> August 19, 2003 7:30 = AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Laminated = ribs</DIV> <DIV><BR></DIV><FONT face=arial,helvetica><FONT lang=0 style="BACKGROUND-COLOR: #ffffff" face=Arial color=#000040 = size=2 FAMILY="SANSSERIF"> <DIV><FONT face="Comic Sans MS" color=#000080 = size=3></FONT><BR></FONT><FONT lang=0 style="BACKGROUND-COLOR: #ffffff" face=Arial = color=#000040 size=3 FAMILY="SANSSERIF"><BR></FONT><FONT lang=0 = style="BACKGROUND-COLOR: #ffffff" face="Times New Roman" color=#000040 size=3 FAMILY="SERIF">      At roughly5mm per = thickness either would bend easily in a caul. The laminations are still quarter = sawn stock. Flat sawn stock would bend even easier but wouldn't be quite as = stiff.<BR>       Dale Erwin</FONT></FONT></DIV></BLOCKQUOTE> <DIV><FONT face=arial,helvetica><FONT face="Comic Sans MS" color=#000080></FONT></FONT> </DIV> <DIV><FONT face=arial,helvetica><FONT face="Comic Sans MS" = color=#000080>We've done it both ways--vertical-grain and flat-sawn--and if there is a = difference in either bending qualities, springback or stiffness we've been unable = to detect it. </FONT></FONT></DIV> <DIV><FONT face=arial,helvetica><FONT face="Comic Sans MS" color=#000080></FONT></FONT> </DIV> <DIV><FONT face="Comic Sans MS" color=#000080>Del</FONT></DIV> <DIV><FONT face=arial,helvetica><FONT lang=0 = style="BACKGROUND-COLOR: #ffffff" face=Arial color=#000040 size=2 FAMILY="SANSSERIF"><FONT = face="Comic Sans MS" color=#000080 size=3></FONT> </DIV></FONT></FONT></BODY></HTML>