<!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 5.50.4522.1800" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV>"Five years prior another "rebuilder" had plugged the block. = Unfortunately he did not tend to the splits<BR>between the holes and the plugs caused = the cracks to expand..."</DIV> <DIV> </DIV> <DIV>This is, IMHO, yet another factor in favor of drilling oversized = holes for plugs and setting in epoxy (not real big - just big enough that the plug = will fall in with no friction). The too-big hole means no stress to pinblock = when inserting plugs (as they just fall in), and the thin epoxy will seep = into cracks, voids, whatever, and help to strengthen the block.</DIV> <DIV> </DIV> <DIV>:-)</DIV> <DIV> </DIV> <DIV>Terry Farrell</DIV> <DIV> <SPAN id=__#Ath#SignaturePos__></SPAN> </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=jon.page@verizon.net = href="mailto:jon.page@verizon.net">Jon Page</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, August 16, 2001 = 7:41 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Restoring old = uprights</DIV> <DIV><BR></DIV><FONT size=3>At 10:21 PM 08/15/2001 -0700, you = wrote:<BR><BR> <BLOCKQUOTE cite type="cite">----- Original Message -----<BR>From: = "Charles Neuman" <<A = href="mailto:piano@charlesneuman.net">piano@charlesneuman.net</A>><B= R>To: <<A = href="mailto:pianotech@ptg.org">pianotech@ptg.org</A>><BR>Sent: August 15, 2001 7:04 PM<BR>Subject: Re: Restoring old uprights<BR><BR><BR>> Let me see if I understand the method = described by Newton and Del below. I<BR>> understand it in two ways, and I = think only one is right: 1) Do you route<BR>> out large sections of the pin = block and then fill those sections with a<BR>> large piece of pinblock, = cut to the right size? If so, how large are the<BR>> sections (how many = pins are in each = section)?<BR>---------------------------------------------<BR><BR>Look behind Door #1.<BR><BR>Most of the time we route out two sections, = the bass section and all of the<BR>tenor/treble section. Then cut and shape = inserts to fit.<BR><BR>Del</BLOCKQUOTE><BR>I have photos of an pin block = inlay I did on a Bechstein a few years ago.<BR><BR>A table-mount drill press on = the keybed with a Forstner bit removed most of the stock<BR>and a chisel cleaned = up the perimeter. I left about 1/8" of block on the bottom.  The = inlays<BR>were carefully fitted for 'no play' and epoxied in with Epoxy Tech 301. = After that shrank,<BR>a thicker epoxy was added to the edges and repeated until full.  The flange had MarineTex<BR>epoxy applied and the plate = fit in.<BR><BR>A new pin pattern was laid out on tracing paper and = transferred to the block.  I drilled the holes<BR>before installing the inlays. = I did not drill all the way through the block in order to prevent the = <BR>epoxy from filling the holes from the bottom.<BR><BR>While I had the thin epoxy = working, I reglued the square'd corners of the case at the bass <BR>and treble.<BR><BR>Five years prior another "rebuilder" had plugged the = block. Unfortunately he did not tend to the splits<BR>between the holes and = the plugs caused the cracks to expand...<BR><BR>The sound board had large areas = loose from the ribs which the customer didn't have the money <BR>to = replace.  I devised the Sound Board Press which employs wooden I-beams clamped to = the rim<BR>with pipe clamps and spring-loaded plungers to apply pressure = for reglueing the ribs, the board<BR>was supported from the bottom; jpg's available.<BR><BR>A fun project.<BR></FONT><BR><FONT size=3>Jon Page,   piano technician<BR>Harwich Port, Cape Cod, = Mass.<BR><A href="mailto:jon.page@verizon.net" eudora="autourl">mailto:jon.page@</A>verizon<A href="mailto:jon.page@verizon.net" eudora="autourl">.net</A><BR><A = href="http://www.stanwoodpiano.com/" = eudora="autourl">http://www.stanwoodpiano.com</A><BR>~~~~~~~~~~~~~~~~~~= ~~~~~~~~~~~~~~~~~~~~~~</FONT> </BLOCKQUOTE></BODY></HTML>