<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=windows-1252"> <META content="MSHTML 5.50.4134.600" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT color=#000080></FONT> </DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000080 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=dstanwood@hotmail.com = href="mailto:dstanwood@hotmail.com">David Stanwood</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> October 16, 2001 5:39 = AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Hammer = weight/density</DIV> <DIV><BR></DIV> <DIV> <P>Just a reminder that I've published on this list and am making = available my hammer weight standards which give us a common lanquage for talking = about hammer weight.  For instance if you say "I found that a 1/2 = medium zone hammer weight in the bass to 1/4 high in the treble, blah, blah, blah......"  everyone would know what you are talking about = within a few tenths of a gram.... <HR> </P></DIV></BLOCKQUOTE> <P><FONT color=#000080></FONT> </P> <P><FONT color=#000080>Thanks, but I rather suspect even this is going = to be overly complex for the purpose. It will be some difficult to get a = production hammer maker to specify the overall mass of a given set, let alone take = the measurements to break it down into zones. The same, sadly, is going to = be true of any resilience standard.</FONT></P> <P><FONT color=#000080>Del</FONT></P> <P><FONT color=#000080></FONT> </P></BODY></HTML>