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<DIV>In a message dated 10/28/2004 4:47:40 AM Pacific Standard Time,
pianoman@accessus.net writes:</DIV>
<DIV> Jim</DIV>
<DIV> I'm currently working o 20s D lid that has one hairline crack alo=
ng a
tongue & groove joint on the tail. This lid is very wash boardy & we=
've
sanded it cross grain a fair bit to level it out. I'll repair the crack. As =
far
as stress on long panels I don't agree, as most have multiple cross braces &=
amp;
also the lids of concert grand's & other with longer lids are more
likely to be closed than open. Know what I mean?</DIV>
<DIV> Also a hairline crack though not visible initially will show up
right thru the finish, usually about the time you want to deliver it.</DIV>
<DIV> Dale Erwin</DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><=
FONT
style="BACKGROUND-COLOR: transparent" face=Arial color=#000000 size=
=2>On long
grands where the lid has been kept mostly in the up position you can
<BR>imagine the stress, over the years it put on the glue joints on the lo=
ng
<BR>core panels glued together for the lid with only support on one end an=
d
the <BR>other just kind of hanging out there. It is a wonder that we=
do
not seem <BR>more of this in anything over 6'. I do not know if they=
used any special <BR>types of joint between the boards or if they were all=
just edge glued. Any <BR>one tore one apart to
see.?<BR>Jim</FONT></BLOCKQUOTE></DIV>
<DIV></DIV>
<DIV>
<DIV> </DIV>
<DIV><FONT lang=0 face=Arial size=2 FAMILY="SANSSERIF" PTSIZE="10"=
>Erwins Pianos
Restorations <BR>4721 Parker Rd.<BR>Modesto, Ca 95357<BR>209-577-8397<BR>Reb=
uilt
Steinway , Mason &Hamlin
Sales<BR>www.Erwinspiano.com</FONT></DIV></DIV></FONT></BODY></HTML>