<!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 6.00.2800.1400" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>I think I found part of the problem = already. The tooner before me "rebuilt the piano" - you know, the full monty = - new strings, hammers, damper felts (yes indeed, hanging way out past the = damper heads) and keytops  - none of which were installed straight/aligned, etc. I imagine this thing had ivory keytops = originally. The new keytops are thick plastic (~2mm), and yup, you guessed it, he didn't = plane the keytops down to compensate for the thicker keytops - so now I have = keys that are one or two millimeters thicker than original.....</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Oh well, back to the drawing board = ........ er, a, regulating table......</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Terry Farrell</FONT></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=antares@euronet.nl = href="mailto:antares@euronet.nl">antares</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> Saturday, November 13, = 2004 4:04 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Front Rail = Punching Interference</DIV> <DIV><BR></DIV>Terry,<BR><BR>First of all, you need to know the exact = key height of your key board.<BR>This is the key to your = regulation.<BR>For instance.... the key height for Steinway model S-B (measured from the = key bed to the <I>underside</I> of the key top covering) is 63 mm.<BR>For = Yamaha's this 64 mm.<BR>It is the only way to get your basis straight.<BR>After = that, we're talking.<BR><BR>André Oorebeek<BR><BR>On 13-nov-04, at 20:47, = Farrell wrote:<BR><BR> <BLOCKQUOTE><?fontfamily><?param = Arial><?smaller>Help!<?/smaller><?/fontfamily><BR> <BR><?fontfamily>= <?param Arial><?smaller>I'm trying to regulate a Baldwin "Monarch" microgrand action. I haven't = looked up the piano's age (can't find my Pierce Atlas), but it is from the = first half of the 20th Century. I've run into this before. I level keys = (1/2" sharp height), regulate blow, let-off, etc., and then go to set = aftertouch. When I have the proper aftertouch on the sharps, the adjacent = naturals hit the sharp front rail punching before they hit their own front = rail punching when depressing the = natural.<?/smaller><?/fontfamily><BR> <BR><?fontfamily><?param = Arial><?smaller>That's bad.<?/smaller><?/fontfamily><BR> <BR><?fontfamily><?param = Arial><?smaller>What gives? Have I done something stupid? Have I simply overlooked something?<?/smaller><?/fontfamily><BR> <BR><?fontfamily><?param = Arial><?smaller>Another thing - I have to reduce blow to 1-3/4 inches to provide sufficient = key travel (about 3/8 inches - way less than spec) to allow = let-off and a tad of aftertouch. I replaced the back rail felt with original = thickness (which is the thinnest sold by the supply houses), I am = using the thinnest front rail punchings available, and I even have key height = a little bit higher than they were (and above spec - more than 2-1/2 inches - = I'm quite sure I'm still OK with the = fallboard).<?/smaller><?/fontfamily><BR> <BR><?fontfamily><?param = Arial><?smaller>Again, what gives? Action clearly appears all original.<?/smaller><?/fontfamily><BR> <BR><?fontfamily><?param = Arial><?smaller>This is all a lot easier when you rebuild the action, go through the Stanwood and geometry stuff, and have it all correct from the = get-go! Because, as in this case, it can't be me, it's gotta be the action! Right?   = ;-)<?/smaller><?/fontfamily><BR> <BR><?fontfamily><?param = Arial><?smaller>Thanks for anything anyone has to = offer.<?/smaller><?/fontfamily><BR> <BR><?fontfamily><?param = Arial><?smaller>Terry Farrell<?/smaller><?/fontfamily><BR><BR></BLOCKQUOTE>friendly greetings<BR>from<BR>André Oorebeek<BR><BR>"where <I>Music</I> is, = no harm can be"<BR></BLOCKQUOTE></BODY></HTML>