<!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 6.00.2900.2668" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Terry - Assuming it's not coming from = the tray bottoming out on the damper-tray lift rod then I think your analysis = quite likely. Another thing - don't let the damper wedge or split felt = stick out the other side of the bichords, else you'll get that "shoooshing" noise = when activated. Try changing some of those wedges so you get an "A-B" test.</FONT></DIV> <DIV><FONT face=Arial size=2>Regards</FONT></DIV> <DIV><FONT face=Arial size=2>Michael G.(UK)</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=mfarrel2@tampabay.rr.com href="mailto:mfarrel2@tampabay.rr.com">Farrell</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> Thursday, August 04, 2005 = 10:43 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Damper Thump = Noise</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2>1950-ish Baldwin L grand, all = original. Raise dampers with pedal and then release pedal. Dampers make quite an = audible thump. Remove action and manually lift a dozen or so dampers and you = get a similar thump - it is especially prominent with the bicords - very = little noise from the flat dampers.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Is this nothing more than the sound = that 55 year-old grand dampers make? That is my strong suspicion.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Terry Farrell</FONT></DIV></BLOCKQUOTE></BODY></HTML>