<HTML><HEAD> <META name=GENERATOR content="MSHTML 8.00.6001.19298"></HEAD> <BODY> <DIV> <DIV><FONT size=2 face="MS Sans Serif">And they mean what?! I'll need something a bit stronger, like a good single malt!"Key in"??? What does that refer to? Just because some brainiac thunk that up, doesn' mean squat unless an explanation is with it imo.<G></FONT></DIV> <DIV><FONT size=2 face="MS Sans Serif">Joe</FONT></DIV> <DIV> </DIV> <DIV></DIV></DIV> <DIV> </DIV> <BLOCKQUOTE style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px"> <DIV style="FONT: 10pt Arial">----- Original Message ----- </DIV> <DIV style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B> <A title=erwinspiano@aol.com href="mailto:erwinspiano@aol.com">Dale Erwin</A> </DIV> <DIV style="FONT: 10pt arial"><B>To: </B><A title=joegarrett@earthlink.net href="mailto:joegarrett@earthlink.net">joegarrett@earthlink.net</A>;<A title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A></DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> 8/25/2012 8:18:25 AM </DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [pianotech] action ratio</DIV> <DIV><BR></DIV><FONT size=2><FONT color=navy size=2 face="Comic Sans MS, sans-serif"><FONT color=#000080 size=3 face="Comic Sans MS, sans-serif">These are formulas used by Nick Gravagne , David Stanwood and others to determine the overall action ratio. Which is a very useful thing to know.</FONT> <DIV><FONT size=3><FONT color=#000080 face="Comic Sans MS, sans-serif"> </FONT><FONT color=#000080 face="Comic Sans MS, sans-serif">Need</FONT><FONT color=#000080 face="Comic Sans MS, sans-serif"> some Excedrin now Joe?</FONT></FONT><BR><BR> <DIV style="FONT-FAMILY: 'Comic Sans MS', sans-serif; COLOR: navy; CLEAR: both; FONT-SIZE: 10pt"><FONT color=royalblue size=1><B><FONT face="Georgia, Times New Roman, Times, Serif"><FONT color=black><FONT color=mediumblue face="Comic Sans MS, sans-serif">Dale Erwin R.P.T.<BR><FONT color=green>Erwin's Piano Restoration Inc.</FONT><BR></FONT></FONT></FONT></B></FONT><FONT color=darkgreen><SPAN style="FONT-STYLE: italic"><B><FONT size=1><FONT color=black size=1><FONT color=blueviolet><FONT color=black><FONT color=black face="Comic Sans MS, sans-serif">Mason & Hamlin</FONT><FONT face="Comic Sans MS, sans-serif">/Steinway/</FONT><FONT color=black face="Comic Sans MS, sans-serif">U.S. pianos</FONT><FONT face="Comic Sans MS, sans-serif"><BR></FONT></FONT></FONT></FONT><FONT color=cornflowerblue size=1 face="Comic Sans MS, sans-serif">www.Erwinspiano.com</FONT><FONT size=1><BR></FONT><FONT color=crimson size=1 face="Comic Sans MS, sans-serif">Phone: 209-577-8397</FONT><BR><FONT color=darkgreen></FONT></FONT></B></SPAN></FONT><TT><TT><FONT color=darkgreen><BR> </FONT><BR>  <FONT size=2></FONT></TT></TT><BR><BR></DIV><BR><BR> <DIV style="FONT-FAMILY: arial, helvetica; COLOR: black; FONT-SIZE: 10pt">-----Original Message-----<BR>From: Joseph Garrett <joegarrett@earthlink.net><BR>To: pianotech <pianotech@ptg.org><BR>Sent: Sat, Aug 25, 2012 8:03 am<BR>Subject: Re: [pianotech] action ratio<BR><BR> <DIV style="BACKGROUND-COLOR: #fff; MARGIN: 0px; FONT-FAMILY: Tahoma, Verdana, Arial, Sans-Serif; COLOR: #000; FONT-SIZE: 12px" id=AOLMsgPart_0_5d1dc098-ea4c-4595-8f9e-836020d6699a><PRE style="FONT-SIZE: 9pt"><TT>David said: "One formula for the action ratio has been given as: Key out x wippen out x shank out = blow distance - let off Key in wippen in shank in key dip - after touch Does anyone happen to know what the standard (or minimum) aftertouch is in this formula or how it was derived? " David, First of all, I need to know what the hell "key out...." and "key in..." means. Have never heard the terms. I suspect if I knew, I'd get a headache Joe Joe Garrett, R.P.T. Captain of the Tool Police Squares R I </TT></PRE></DIV></DIV></DIV></FONT></FONT></BLOCKQUOTE></BODY></HTML>