<!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 6.00.2712.300" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Hazen,</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I have had very good = success on hard damper felts simply by squeezing & "massaging" them with my = fingers. Usually if that doesn't work I replace them. As for sandblasting, = doesn't sand get embedded into the felt? </FONT><FONT face=Arial size=2>I = suppose if I run into a 'candidate' for experimenting I will try = it. What air pressure settings, etc?</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Thanks,</FONT></DIV> <DIV><FONT face=Arial size=2>Greg</FONT></DIV> <DIV> </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"><FONT face=arial,helvetica><FONT = size=2> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=HazenBannister@cs.com href="mailto:HazenBannister@cs.com">HazenBannister@cs.com</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> Sunday, May 05, 2002 3:48 = PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Newbie; Cleaning actions</DIV> <DIV style="FONT: 10pt arial"> </DIV>Hi = Greg, </FONT></FONT></DIV> <DIV style="FONT: 10pt arial"><FONT face=arial,helvetica><FONT size=2><BR> When the sand hits all the compressed felt,it so to = speak,unpacks it,making it more to the dimension it was when new,even = damper felt and hammers that are deeply grooved.Think of how noisy an old = damper sounds,and how much better it sounds, after sand papering. <BR>Hazen Bannister</DIV> <DIV></FONT> </DIV> <DIV><FONT size=2>In a message dated 05/05/2002 3:14:18 PM Eastern = Daylight Time, </FONT><A href="mailto:Tunapiana440@cox.net"><FONT size=2>Tunapiana440@cox.net</FONT></A><FONT size=2> writes: </FONT><BR><BR> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px = solid; MARGIN-RIGHT: 0px" TYPE="CITE"> <FONT size=2>Hazen, <BR><BR>Could you describe = your use of a sandblaster to revitalize old crusty and compressed felt? = <BR><BR>Best, <BR>Greg = </FONT><BR></BLOCKQUOTE></DIV></FONT></BLOCKQUOTE></BODY></HTML>