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<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> April 26, 2002 1:28 =
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Soundboard =
Installation
& MC</DIV>
<DIV><FONT color=#000080></FONT><BR></DIV><FONT =
face=arial,helvetica><FONT
lang=0 style="BACKGROUND-COLOR: #ffffff" face=Arial =
color=#000040 size=2
FAMILY="SANSSERIF">
<DIV><FONT face="Lucida Sans" color=#000080 size=3>Ron
wrote:</FONT><BR> You're</FONT><FONT lang=0
style="BACKGROUND-COLOR: #ffffff" face=Arial color=#000040 =
size=2
FAMILY="SANSSERIF"> </FONT><FONT lang=0 style="BACKGROUND-COLOR: =
#ffffff"
face=Arial color=#000040 size=2 FAMILY="SANSSERIF">still =
talking about
something like 0.003" rim spread from full crown to =
flat.</FONT></DIV><FONT
color=#000040 size=2></FONT></FONT></BLOCKQUOTE>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"><FONT
face=arial,helvetica><FONT lang=0 style="BACKGROUND-COLOR: =
#ffffff" face=Arial
color=#000040 size=2 FAMILY="SANSSERIF"><FONT face="Lucida =
Sans" color=#000080
size=3></FONT><FONT face="Lucida Sans" color=#000080 =
size=3></FONT>
<DIV><BR>Dale wrote<BR></FONT><FONT lang=0 =
style="BACKGROUND-COLOR: #ffffff"
face="Times New Roman Greek" color=#000040 size=3
FAMILY="SERIF">>>>>I'm not sure I agree with that. I'm =
about to
press up an Stwy L board and after it's pressed and crowned I'll =
measure
across the bottom from each end of the longest rib and then I =
personally will
sit or stand on the board on the floor and see how far the rib =
dimesion
expands. Hmm this might be hard to measure but I'm going to try =
anyway. Maybe
I'l just make a mark on the floor at each rib end and visually =
observe. Ever
done this? It seems to me that .003 figure would have to be greater =
for the
crown to completely collapse.</FONT></FONT></DIV></BLOCKQUOTE>
<DIV><FONT lang=0 style="BACKGROUND-COLOR: #ffffff" color=#000080 =
size=3
FAMILY="SERIF">Actually this sounds about right. I figured this out as =
well for
one of the Journal articles I did a couple of years back in which I =
wrote about
this very topic. The difference isn't much. Certainly not enough to =
qualify the
structure as a buttressed arch.</FONT></DIV>
<DIV><FONT color=#000080></FONT> </DIV>
<DIV><FONT lang=0 style="BACKGROUND-COLOR: #ffffff" size=3 =
FAMILY="SERIF"><FONT
color=#000080>I've no idea why this idea persists in the face of =
fairly easily
provable facts and reasonably clear logic. Good marketing ideas die =
hard, I
guess.</FONT></FONT></DIV>
<DIV><FONT lang=0 style="BACKGROUND-COLOR: #ffffff" size=3 =
FAMILY="SERIF"><FONT
color=#000080></FONT></FONT> </DIV>
<DIV><FONT lang=0 style="BACKGROUND-COLOR: #ffffff" size=3 =
FAMILY="SERIF"><FONT
color=#000080>Del</FONT></DIV>
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