<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD><TITLE>Paulello Wire (was RE: Depowering a Piano)</TITLE> <META http-equiv=Content-Type content="text/html; = charset=us-ascii"> <STYLE type=text/css>BLOCKQUOTE { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } DL { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } UL { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } OL { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } LI { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } </STYLE> <META content="MSHTML 6.00.2800.1276" name=GENERATOR></HEAD> <BODY> <DIV><SPAN class=558541616-05012004><FONT face=Arial color=#0000ff = size=2>Philip, thanks for your interest in Paulello wire, =  I'll get back to you soon with more data on the wire, I just received some tables = from stabilization experiences (comparison with Roslau), and I am waiting for = a more complete document soon, with the methodology explained, and more = physical data.</FONT></SPAN></DIV> <DIV><SPAN class=558541616-05012004><FONT face=Arial color=#0000ff = size=2></FONT></SPAN> </DIV> <DIV><SPAN class=558541616-05012004><FONT face=Arial color=#0000ff = size=2>The different stiffness are produced with a thorough selection of number of = passes to thin the wire, the speed used, the heating, even for modern wire, the = passes are slower than for Roslau, hence the medium is said to tone better = (more "body" and definition).</FONT></SPAN></DIV> <DIV><SPAN class=558541616-05012004><FONT face=Arial color=#0000ff = size=2></FONT></SPAN> </DIV> <DIV><SPAN class=558541616-05012004><FONT face=Arial color=#0000ff = size=2>Experiments are done actually to tin the wire (with = electrolysis) before its annealing , it seem to work well for the thinnest wires anyway, = then the wire should be also corrosion resistant if the process is applied.</FONT></SPAN></DIV> <DIV><SPAN class=558541616-05012004><FONT face=Arial color=#0000ff = size=2></FONT></SPAN><SPAN class=558541616-05012004><FONT = face=Arial color=#0000ff size=2></FONT></SPAN> </DIV> <DIV><SPAN class=558541616-05012004></SPAN><FONT face=Arial><FONT color=#0000ff><FONT size=2>I<SPAN class=558541616-05012004> was = explained how thick is the original material to begin with , the "salmon" , should be = around 3 inches, so a first workshop produce thick wire rolls with this basic = material, and other peoples are producing the final wire (in another place) , = applying the heat/passes/speed method. They have been producing also simple = breaking strength tests from time to time (others are done in laboratory = environment, but they are very expensive).</SPAN></FONT></FONT></FONT></DIV> <DIV><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN class=558541616-05012004></SPAN></FONT></FONT></FONT> </DIV> <DIV><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN class=558541616-05012004>Greetings and a very good year.</SPAN></FONT></FONT></FONT></DIV> <DIV><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN class=558541616-05012004></SPAN></FONT></FONT></FONT> </DIV> <DIV><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN class=558541616-05012004>Isaac OLEG</SPAN></FONT></FONT></FONT></DIV> <DIV><SPAN class=558541616-05012004><FONT face=Arial color=#0000ff = size=2></FONT></SPAN> </DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px = solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT = face=Tahoma size=2>-----Message d'origine-----<BR><B>De :</B> pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]<B>De la = part de</B> Phillip Ford<BR><B>Envoyé :</B> dimanche 4 janvier = 2004 05:19<BR><B>À :</B> Pianotech<BR><B>Objet :</B> = Paulello Wire (was RE: Depowering a Piano)<BR><BR></FONT></DIV> <BLOCKQUOTE cite="" type="cite"><FONT face=Arial color=#0000ff = size=-1>Hello, Malinda,</FONT></BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"> </BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"><FONT face=Arial color=#0000ff = size=-1>I'll mostly just answer on the breaking point....</FONT></BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"> </BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"> <FONT face=Arial = color=#0000ff size=-1>Stephen Paulello push us to mix wire of different = stiffness in order to keep the solicitation consistent toward the break he = computed that the iH stay the same as well as the tension so it may be = worth a try . As the wire he produce is covering a wide range it is = possible (BTW I've seen the wire delivered and it is better looking than = Roslau actually, cleaner, more shiny).</FONT></BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"> </BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"><FONT face=Arial color=#0000ff = size=-1>Back to the dinner table now.</FONT></BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"> </BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"><FONT face=Arial color=#0000ff = size=-1>Happy New year everyone.</FONT></BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"> </BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"><FONT face=Arial color=#0000ff = size=-1>Isaac</FONT></BLOCKQUOTE> <BLOCKQUOTE cite="" type="cite"> </BLOCKQUOTE> <DIV><BR></DIV> <DIV>I would be interested in hearing more about this Paulello = wire?  How is he achieving different stiffness?</DIV> <DIV><BR></DIV> <DIV>Phil Ford</DIV> <DIV><BR></DIV></BLOCKQUOTE></BODY></HTML>