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<DIV><FONT face=Arial size=2><EM>> The primary acoustic function =
of the ribs
is to transfer sound cross <BR>> grain more or less as fast as it =
otherwise
buzzes along the grain.</EM></FONT></DIV>
<DIV><EM><FONT face=Arial size=2></FONT></EM> </DIV>
<DIV><FONT face=Arial>Really? Sez who? How?</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>I have a nasty feeling this has been discussed =
ad-nauseum
in the past, but I gotta ask.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Terry Farrell</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>----- Original Message ----- =
</FONT><FONT
face=Arial><BR><FONT size=2></FONT></FONT></DIV><FONT face=Arial =
size=2>>
Prompts me to ask a bit about an idea being thrown around in an off list =
<BR>> dialoug I am having with a couple folks. The idea is not mine =
but it
<BR>> sounds intriguing. Let me throw this at you (and whomever =
else
might be <BR>> interested to comment). I'll let the fellow who threw =
this at
me speak <BR>> up for him/her self if they so choose.<BR>> =
<BR>> The
primary acoustic function of the ribs is to transfer sound cross =
<BR>> grain
more or less as fast as it otherwise buzzes along the grain. What =
<BR>>
if we could make a soundboard with enough crown support perpendicular to =
<BR>> the bridge without support from the ribs (or nearly as =
much as we
use <BR>> in todays instruments) ?<BR>> <BR>> The idea that =
strikes me
as being able to perhaps do exactly this is to <BR>> allign the grain =
perpendicular to the bridge, and construct a <BR>> pre-crowned =
soundboard
panel of several laminants, all with grain going <BR>> the same =
direction.
With the grain going perpendicular to the bridge and <BR>> what crown =
support
the unribbed soundboard would have, cross grain <BR>> ribbing would =
be able
to do their acoustic job and provide a bit of <BR>> extra support to =
the
curvature of the wood while being of much smaller <BR>> =
dimensions. In
addition... the bridge itself would function like the <BR>> ribs in =
speeding
sound cross grain. It might be a way of approaching <BR>> the =
different
requirements of the bass and high treble areas.<BR>> <BR>> =
Cheers<BR>>
RicB<BR></FONT></BODY></HTML>