<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2600.0" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT size=2>Well I'm just starting to revue the archives and I = notice that everyone is talking about pushing up from the bottom.  But if the = idea is to add tension to the board and the board is already under downward = pressure from the strings, isn't pushing up from the bottom taking pressure off = the board by neutralizing the downward force applied by the strings?   </FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>At any rate, it seems that whatever the system it = should be adjustable, something you could ratchet up or down.  To = precalculate the actual amount of additional pressure needed would be difficult, so a = system which allowed you to increase or decrease pressure and listen to the = results would make the most sense to me.</FONT></DIV> <DIV><FONT size=2></FONT><FONT size=2></FONT> </DIV> <DIV><FONT size=2>David Love</FONT></DIV> <BLOCKQUOTE dir=ltr 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=pianobuilders@olynet.com href="mailto:pianobuilders@olynet.com">Delwin D Fandrich</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> February 03, 2002 8:55 = PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Springs for the soundboard</DIV> <DIV><BR></DIV> <DIV><FONT color=#000080></FONT> </DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000080 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=Richard.Brekne@grieg.uib.no href="mailto:Richard.Brekne@grieg.uib.no">Richard Brekne</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> February 03, 2002 1:00 = PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Springs for the soundboard</DIV> <DIV><BR></DIV>David Love wrote: <BLOCKQUOTE TYPE="CITE"> <FONT size=-1>In short, is it = worth looking into, or does it simply not work?</FONT> <FONT = size=-1>David Love</FONT></BLOCKQUOTE> <P><BR>I would say its definatly worth looking into. But I think = most will agree this is not on the surface of it something one does for a very = high quality instrument.  On the other hand, the concept seems quite = workable enough, useing a couple different spring types. Del = mentioned a bit about some fooling around with some heavy duty valve springs, and = there was some talk about leaf springs that seemed reasonable enough. = </P></BLOCKQUOTE> <P dir=ltr><FONT color=#000080></FONT> <P dir=ltr><FONT color=#000080>Why not toss in the possibility of = wooden 'springs.' I.e., a spring of wood in the form of a bent wooden beam = (like a rib) fastened at the two ends and bent in the middle with a coupler = going to the soundboard in whatever are deemed appropriate spots. </FONT> <P dir=ltr><FONT color=#000080>No, I've not tried it--just thought = about it.</FONT> <P dir=ltr><FONT color=#000080>Del</FONT> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <P><FONT = color=#000080></FONT> </P></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>=