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<DIV><FONT size=2>Does that mean that you should add to the measured =
crown when
using the string test from underneath for the same reason?</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>David Love</FONT></DIV>
<BLOCKQUOTE
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> December 19, 2002 5:53 =
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Bridgetop =
Extravaganza
Revisited</DIV>
<DIV><BR></DIV><FONT face=arial,helvetica><FONT lang=0 =
face="Times New Roman"
size=2 FAMILY="SERIF">In a message dated 12/18/2002 6:11:40 PM =
Pacific
Standard Time, <A
=
href="mailto:davidlovepianos@earthlink.net">davidlovepianos@earthlink.n=
et</A>
writes:<BR><BR>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px =
solid; MARGIN-RIGHT: 0px"
TYPE="CITE"></FONT><FONT lang=0 style="BACKGROUND-COLOR: =
#ffffff" face=Arial
color=#000000 size=2 FAMILY="SANSSERIF">Subj: <B>Re: Bridgetop =
Extravaganza
Revisited </B><BR>Date: 12/18/2002 6:11:40 PM Pacific Standard =
Time<BR>From:
<A
=
href="mailto:davidlovepianos@earthlink.net">davidlovepianos@earthlink.n=
et</A><BR>Reply-to:
<A href="mailto:pianotech@ptg.org">pianotech@ptg.org</A><BR>To: <A =
href="mailto:pianotech@ptg.org">pianotech@ptg.org</A><BR><I>Sent =
from the
Internet </I><BR><BR><BR><BR>Get two blocks of wood measuring =
exactly 7"
high. Place them on the soundboard at opposite edges of =
whatever part
of the piano you want to measure. Put a straight edge across =
the top
of the two blocks and at a point midway between the blocks, measure =
the
distance from the bottom of the straightedge to the =
soundboard.
Subtract that number from 7" and the amount left over is the amount =
of
crown.</FONT><FONT lang=0 style="BACKGROUND-COLOR: #ffffff" =
face=Arial
color=#000000 size=3 FAMILY="SANSSERIF"><BR> =
<BR></FONT><FONT lang=0
style="BACKGROUND-COLOR: #ffffff" face=Arial color=#000000 =
size=2
FAMILY="SANSSERIF">David Love</FONT><FONT lang=0
style="BACKGROUND-COLOR: #ffffff" face=Arial color=#000000 =
size=3
=
FAMILY="SANSSERIF"><BR> =
Hi
=
Dave<BR></BLOCKQUOTE> &nbs=
p;
Not so. In Steinway and other pianos the net result of the =
diaphramizing
(panel thinning) can leave the board thickness at the edges where the =
blocks
are placed at .250 thick and the middle of the board can be as much or =
more
than 100. thicker. Even with a flat board this method of measuring =
crown would
give a false reading as the middle of the board will always be thicker =
(higher) than the edges. If you use this method you've got to factor =
this
in.<BR> Dale Erwin<BR></FONT><FONT =
lang=0
style="BACKGROUND-COLOR: #ffffff" face="Times New Roman" =
color=#000000 size=2
FAMILY="SERIF"><BR></BLOCKQUOTE></FONT></FONT></BODY></HTML>