<!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 6.00.2800.1141" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV> </DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <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">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=avery@ev1.net href="mailto:avery@ev1.net">Avery = Todd</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, April 09, = 2003 2:43 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: dithering = (bobbling) hammers/vertical aftertouch</DIV> <DIV><BR></DIV> <DIV>Dave,<BR><BR>But if it comes away "that" far (more than 3/16"), = I would think there <BR>would be some<BR>other problem. I'd think that that = would be MORE than enough to keep a hammer<BR>from "dithering"! :-)</DIV> <DIV> </DIV> <DIV>Yes, I was just commenting on Terry's having thought he heard = that some Yamahas (?) were supposed to have the jack half way to the catcher = at full dip.  According to the PTG exam specs, this is way too = far.  Talking about aftertouch now, not bobbling = hammers.   If at full dip, the jack is away from the butt just the tiniest = amount, yes, that should keep the hammer from bouncing on it.   = --David Nereson, = RPT <BR></DIV></BLOCKQUOTE></DIV></BLOCKQUOTE></BODY></HTML>