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<FONT face=Tahoma size=2><B>From:</B> pianotech-bounces@ptg.org
[mailto:pianotech-bounces@ptg.org] <B>On Behalf Of
</B>Erwinspiano@aol.com<BR><B>Sent:</B> February 06, 2006 7:45
AM<BR><B>To:</B> pianotech@ptg.org<BR><B>Subject:</B> Re: Let me =
restate the
question<BR></FONT><BR></DIV>
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<DIV><STRONG> Indeed.. I mean.... cannot achieve crown =
support this
way. I Might be wrong but probably not for a very long ....long
time. Remember that , well, at least the way I calculate =
downbearing,
there is at least 1000 to 1400 lbs pressure on the board 24 =
/7.</STRONG></DIV>
<DIV><STRONG> I like wood. when we stop using wood . =
I'll be
doing something else. You know?</STRONG></DIV>
<DIV><STRONG> Dale</STRONG><SPAN =
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face="Comic Sans MS" color=#000080 =
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<DIV dir=ltr><SPAN class=546414118-06022006><FONT face="Comic Sans =
MS"
color=#000080 size=3>Of course you can. Why not? What would be the =
limitation?
Bent laminations can be made to do most anything you want them to do. =
You can
make boats -- big boats -- out of them. Or chairs. Even load-bearing
architectural structures. Railroad bridge spans. Almost
anything.</FONT></SPAN></DIV>
<DIV dir=ltr><SPAN class=546414118-06022006><FONT face="Comic Sans =
MS"
color=#000080 size=3></FONT></SPAN> </DIV>
<DIV dir=ltr><SPAN class=546414118-06022006><FONT face="Comic Sans =
MS"
color=#000080 size=3>I've been using curved, laminated ribs for =
something over
20 years and I see no evidence of any of them collapsing yet. What would =
be the
difference (in load-carrying capability) between curved, laminated ribs =
and a
single laminated panel pressed into a curve.</FONT></SPAN></DIV>
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<DIV dir=ltr><SPAN class=546414118-06022006><FONT face="Comic Sans =
MS"
color=#000080 size=3>So, yes, soundboard panels can be pressed this =
way. And
they will still be wood. And they will be adequately strong enough to =
support
whatever downbearing load you want to put on them. Even if it is an =
unrealistic
and excessive 1,000 to 1,400 lbs. </FONT></SPAN></DIV>
<DIV dir=ltr><SPAN class=546414118-06022006><FONT face="Comic Sans =
MS"
color=#000080 size=3></FONT></SPAN> </DIV>
<DIV dir=ltr><SPAN class=546414118-06022006><FONT face="Comic Sans =
MS"
color=#000080 size=3>As to how they would sound: well, now, that is =
another
question. And we won't know that until somebody actually does the =
R&D and
finds out.</FONT></SPAN></DIV>
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MS"
color=#000080 size=3></FONT></SPAN> </DIV>
<DIV dir=ltr><SPAN class=546414118-06022006><FONT face="Comic Sans =
MS"
color=#000080 size=3>Del</FONT></SPAN></DIV>
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