<!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 5.50.4522.1800" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT size=2>Roger:</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>The action is workable.  The key ratio is .53 = for naturals and .55 for sharps.  The knuckles are 17mm and the dip is = not excessive.  The caps are centered under the heels.  It's not = grossly out, don't misunderstand me.  The action feels nice.  I just = noticed that the acceleration rate was different and have noticed this variation = periodically.  In this case once the static friction is broken the = hammer begins to accelerate more quickly than many I have weighed off.  = Anyway, on to the next one.  I'm tempted to try S&S parts on the next one = I do, I'm glad to hear you were happy with the quality control.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>David Love</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=baldyam@sk.sympatico.ca = href="mailto:baldyam@sk.sympatico.ca">jolly roger</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> August 24, 2001 11:17 = PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: hammer = acceleration</DIV> <DIV><BR></DIV>At 09:30 PM 8/24/01 -0700, you wrote: <BR><FONT = size=2> <BLOCKQUOTE cite type="cite">Roger:</FONT><BR><FONT = size=3><BR></FONT><FONT size=2>It is a Steinway from the 1980's and its a bit of a = mess.  Sharps and naturals have different key ratios (oops).  </FONT></BLOCKQUOTE><BR><FONT size=3>Hi = David,<BR>          &nb= sp;   This is starting to look like a misplaced capstan line.  How much = dip is needed to give you correct let off and after touch?   How = far off are you from the magic line at half blow distance?   Is the = heel centred over the capstan?<BR>These questions will point you towards = probable geometry problems.<BR><BR>I have just finished installing the all new = Steinway parts on a 69'  D, I'm delighted with the results.  Suprised = the hell out of me.  But they have lived up to all the Reno hype.    51-47gm DW with mid twenties = UP.    The new Knuckles look like kangaroo skin, definitely not buck skin, no = large cup like the last S & S shanks that I used, and no where near as = rough.  All flanges had very acceptable friction.<BR><BR>Good luck in your quest.<BR>Roger<BR><BR>All shanks and wippens less than 1gm = variance.  Again a hugh improvement from the last set of parts that I used from them.</FONT><BR></BLOCKQUOTE></BODY></HTML>