<!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 6.00.2800.1276" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Pitch raising in order from A0 to C88 = is more predictable, by about 8%, because you know that all the tension on one = side of where you're tuning is going to be more or less correct, so you don't = have to offset for the effect of having that tension brought up. </FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Of course, on really drastic cases, = like pianos that haven't been touched in 15 or 20 years, I would just try to bring = each string up to pitch on a fully muted piano, and let it drop before I = pulled in the unisons, just to spread the tension out over the plate. In that = case, it's two pitch raises, and a tuning, and I see the piano in a month. (And = charge accordingly.)</FONT></DIV> <DIV><FONT face=Arial size=2>Kevin.</FONT></DIV> <BLOCKQUOTE 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=741662027@charter.net = href="mailto:741662027@charter.net">Cy Shuster</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, January 06, 2004 = 7:08 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Old Bosie</DIV> <DIV><BR></DIV>Is there really that much difference in cumulative = string tension between<BR>A435 and A440?  (I know, I should do the math...)  I'm aware that A435 used<BR>to be the = standard.<BR><BR>Also, since the treble strings have more tension than the bass, why = does<BR>tuning in order from A0 to C88 result in the least overall = complications<BR>when doing a pitch raise?  (I read this in the TuneLab documentation).<BR>Wouldn't you want to make the biggest tension = adjustments first, and the<BR>least last?<BR><BR>--Cy Shuster--<BR>Rochester, = MN<BR><BR><BR>_______________________________________________<BR>pianotec= h list info: <A = href="https://www.moypiano.com/resources/#archives">http://www.ptg.org= /mailman/listinfo/pianotech</A></BLOCKQUOTE></BODY></HTML>