<!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> <DIV><FONT face=Arial size=2>Hi Terry, David,</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>There's an article about the = technique on the Onesti Piano web site:</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><A = href="http://www.onestipiano.com/pages/journalarticle.html"><FONT face=Arial size=2>http://www.onestipiano.com/pages/journalarticle.html</FONT></A><= /DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>This seems to be a relevant = section:</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2><<If there are keys with massive = damage so that a gauge pin will not center in the hole, the key can be placed in = the keyframe with neighbors to align properly while sitting on a snug = fitting paper punching of .015" or greater glued onto the bottom of that key. This = will provide an adequate guide for the pin and cutter. Selecting the proper = drill bit for the size of the balance pins, insert it into the plug cutter, = centering properly.>></FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>The following technique might be used = to *establish* the correct alignment for the "snug fitting paper punching":</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>(1) Put a snugly fitting paper punching = over the balance rail pin.</FONT></DIV> <DIV><FONT face=Arial size=2>(2) Put a tiny dab of glue on the punching.</FONT></DIV> <DIV><FONT face=Arial size=2>(3) Carefully lower the key onto the = punching, making sure to position it correctly with respect to its = neighbors.</FONT></DIV> <DIV><FONT face=Arial size=2>(4) Leave key until glue is = dry.</FONT></DIV> <DIV><FONT face=Arial size=2>(5) Remove key and mark/measure the = position of the punching hole (perhaps by making a mark exactly X-distance "aft" of the = correct position).</FONT></DIV> <DIV><FONT face=Arial size=2>(6) Cut the notch, glue in new = material, etc., etc. -- placing the balance rail pin hole at the previously measured location.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Or here's another idea:</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>(1) Cut a notch in the key.  = </FONT></DIV> <DIV><FONT face=Arial size=2>(2) Cut an insert to go in the notch, = leaving just a tiny bit of room for fore/aft "wiggle," and leaving just a = tiny bit of excess width (not so much as to touch neighboring key).</FONT></DIV> <DIV><FONT face=Arial size=2>(3) Drill a balance rail pin hole in = the insert in the "best guess" location.</FONT></DIV> <DIV><FONT face=Arial size=2>(4) Dry-assemble the insert and notched = key on the keyframe and check for alignment.  Needs tweaking? = Remove material from appropriate end of insert to achieve correct alignment.  The = point is that it should be *possible* to align the keystick over the insert, when sliding it around.</FONT></DIV> <DIV><FONT face=Arial size=2>(5) Remove keystick.  Leave insert = on balance rail pin.</FONT></DIV> <DIV><FONT face=Arial size=2>(6) Put Titebond on both = surfaces.  Lower keystick onto insert.  Align correctly with neighbors.  Let = dry.  Perhaps epoxy would be a better, albeit messier, glue for this step, = since clamping the joint (e.g. with weight) while maintaining alignment might be problematic.</FONT></DIV> <DIV><FONT face=Arial size=2>(7) Remove keystick/insert.  = Shape the insert flush with the key.  </FONT></DIV> <DIV><FONT face=Arial size=2>(8) Fill any fore/aft gaps with epoxy = (using tape on the sides to retain it).</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Would that work?</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Peace,</FONT></DIV> <DIV><FONT face=Arial size=2>Sarah</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>----- Original Message ----- </FONT> <DIV><FONT face=Arial size=2>From: "David Love" <</FONT><A href="mailto:davidlovepianos@earthlink.net"><FONT face=Arial size=2>davidlovepianos@earthlink.net</FONT></A><FONT face=Arial size=2>></FONT></DIV> <DIV><FONT face=Arial size=2>To: "Pianotech" <</FONT><A href="mailto:pianotech@ptg.org"><FONT face=Arial size=2>pianotech@ptg.org</FONT></A><FONT face=Arial = size=2>></FONT></DIV> <DIV><FONT face=Arial size=2>Sent: Saturday, June 12, 2004 8:51 = PM</FONT></DIV> <DIV><FONT face=Arial size=2>Subject: Re: Pulley = Keys</FONT></DIV></DIV> <DIV><FONT face=Arial><BR><FONT size=2></FONT></FONT></DIV><FONT = face=Arial size=2>> I don't quite understand it either.  It seems that = you must be paying for<BR>> the information.  The tricky part, as I see it, = is when there is<BR>> substantial fore and aft play and the hole center must = be reestablished.  I<BR>> can't quite envision an easy method to = accomplish that.  <BR>> <BR>> David Love<BR>> </FONT><A href="mailto:davidlovepianos@earthlink.net"><FONT face=Arial size=2>davidlovepianos@earthlink.net</FONT></A><BR><FONT face=Arial = size=2>> <BR>> <BR>> > [Original Message]<BR>> > From: Farrell <</FONT><A href="mailto:mfarrel2@tampabay.rr.com"><FONT = face=Arial size=2>mfarrel2@tampabay.rr.com</FONT></A><FONT face=Arial = size=2>><BR>> > To: Pianotech <</FONT><A href="mailto:pianotech@ptg.org"><FONT = face=Arial size=2>pianotech@ptg.org</FONT></A><FONT face=Arial size=2>><BR>> > Date: 6/12/2004 4:09:23 PM<BR>> > = Subject: Re: Pulley Keys<BR>> ><BR>> > Looks interesting, but looks more = like $40 worth of tooling and I guess<BR>> the<BR>> > promise of some information on how to do it? Am I missing something? $550?<BR>> = ><BR>> > Terry Farrell<BR>> ><BR>> > ----- Original Message = ----- <BR>> > From: "David Love" <</FONT><A href="mailto:davidlovepianos@earthlink.net"><FONT face=Arial size=2>davidlovepianos@earthlink.net</FONT></A><FONT face=Arial size=2>><BR>> > To: "Pianotech" <</FONT><A href="mailto:pianotech@ptg.org"><FONT face=Arial size=2>pianotech@ptg.org</FONT></A><FONT face=Arial = size=2>><BR>> > Sent: Saturday, June 12, 2004 1:10 PM<BR>> > Subject: Re: Pulley Keys<BR>> ><BR>> ><BR>> > > Check out the = website<BR>> > ><BR>> > > </FONT><A href="http://www.onestipiano.com/pages/bhrs.html"><FONT face=Arial size=2>www.onestipiano.com/pages/bhrs.html</FONT></A><BR><FONT = face=Arial size=2>> > ><BR>> > > David Love<BR>> > > = </FONT><A href="mailto:davidlovepianos@earthlink.net"><FONT face=Arial size=2>davidlovepianos@earthlink.net</FONT></A><BR><FONT face=Arial = size=2>> > ><BR>> > ><BR>> > > ----- Original Message = ----- <BR>> > > From:<BR>> > > To: </FONT><A href="mailto:pianotech@ptg.org"><FONT face=Arial size=2>pianotech@ptg.org</FONT></A><BR><FONT face=Arial = size=2>> > > Sent: 6/12/2004 9:23:17 AM<BR>> > > Subject: Re: Pulley = Keys<BR>> > ><BR>> > ><BR>> > > In a message dated = 6/12/2004 6:19:12 AM Pacific Standard Time,<BR>> > > </FONT><A href="mailto:A440WRMPiano@tm.net"><FONT face=Arial size=2>A440WRMPiano@tm.net</FONT></A><FONT face=Arial size=2> = writes:<BR>> > > If you are serious about doing a quality, long-term job on = this, and<BR>> > > anticipate doing more in the future, I would = recommend the Onesti Key<BR>> > > Balance Rail Hole repair system.  It = is top notch.<BR>> > ><BR>> > > William R. Monroe<BR>> = > > Madison, WI<BR>> > > Assoc.<BR>> > >          Hi = WIlliam<BR>> > >   I've heard of this. How much time to repair a set = of holes accurately?<BR>> > >           = Dale<BR>> > ><BR>> > ><BR>> > > _______________________________________________<BR>> > > = pianotech list info: </FONT><A = href="https://www.moypiano.com/resources/#archives"><FONT face=Arial size=2>https://www.moypiano.com/resources/#archives</FONT></A><BR><FON= T face=Arial size=2>> > ><BR>> ><BR>> ><BR>> = > _______________________________________________<BR>> > pianotech = list info: </FONT><A = href="https://www.moypiano.com/resources/#archives"><FONT face=Arial size=2>https://www.moypiano.com/resources/#archives</FONT></A><BR><FON= T face=Arial size=2>> <BR>> <BR>> <BR>> _______________________________________________<BR>> pianotech list = info: </FONT><A href="https://www.moypiano.com/resources/#archives"><FONT = face=Arial size=2>https://www.moypiano.com/resources/#archives</FONT></A><BR><FON= T face=Arial size=2>> </FONT></BODY></HTML>