<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=US-ASCII"> <META content="MSHTML 6.00.2800.1106" name=GENERATOR></HEAD> <BODY id=role_body style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Arial" bottomMargin=7 leftMargin=7 topMargin=7 rightMargin=7><FONT id=role_document face=Arial color=#000000 size=2> <DIV>Greetings,</DIV> <DIV> </DIV> <DIV>     This is a really good answer. </DIV> <DIV> </DIV> <DIV>Julia</DIV> <DIV> </DIV> <DIV> </DIV> <DIV> <DIV>In a message dated 5/11/2008 1:16:23 P.M. Eastern Standard Time, pianoarts@tx.rr.com writes:</DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><FONT style="BACKGROUND-COLOR: transparent" face=Arial color=#000000 size=2>Good food for thought...<BR><BR><BR>The formula would include the distance from the balance rail pin, to <BR>the front rail pin.<BR><BR>1) Sharps and Naturals in the same piano will have different ratios...<BR>2) The ratios will be different depending on the key length; the <BR>distance from the balance rail to the front rail pin. For example, <BR>adding a .010 balance rail punching to a short key stick in a Spinet, <BR>and a 9' grand key stick, would result in different key dip increases.<BR><BR>Dan<BR></FONT></BLOCKQUOTE></DIV></FONT><BR><BR><BR><DIV><FONT style="color: black; font: normal 10pt ARIAL, SAN-SERIF;"><HR style="MARGIN-TOP: 10px">Wondering what's for Dinner Tonight? <A title="http://food.aol.com/dinner-tonight?NCID=aolfod00030000000001" href="http://food.aol.com/dinner-tonight?NCID=aolfod00030000000001" target="_blank">Get new twists on family favorites at AOL Food</A>.</FONT></DIV></BODY></HTML>