<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:v = "urn:schemas-microsoft-com:vml" xmlns:o = "urn:schemas-microsoft-com:office:office" xmlns:w = "urn:schemas-microsoft-com:office:word"><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content=Word.Document name=ProgId> <META content="MSHTML 6.00.2800.1400" name=GENERATOR> <META content="Microsoft Word 9" name=Originator><LINK href="cid:filelist.xml@01C4C6F9.FBCD2B20" rel=File-List> <STYLE>@font-face { font-family: Bradley Hand ITC; } @font-face { font-family: Tahoma; } @page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.25in 1.0in 1.25in; = mso-header-margin: .5in; mso-footer-margin: .5in; mso-paper-source: 0; } P.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-style-parent: ""; mso-pagination: widow-orphan; = mso-fareast-font-family: "Times New Roman" } LI.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-style-parent: ""; mso-pagination: widow-orphan; = mso-fareast-font-family: "Times New Roman" } DIV.MsoNormal { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-style-parent: ""; mso-pagination: widow-orphan; = mso-fareast-font-family: "Times New Roman" } P.MsoAutoSig { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-pagination: widow-orphan; mso-fareast-font-family: "Times New Roman" } LI.MsoAutoSig { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-pagination: widow-orphan; mso-fareast-font-family: "Times New Roman" } DIV.MsoAutoSig { FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; = mso-pagination: widow-orphan; mso-fareast-font-family: "Times New Roman" } SPAN.EmailStyle15 { COLOR: navy; mso-style-type: personal-reply; mso-ansi-font-size: = 10.0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; = mso-bidi-font-family: Arial } DIV.Section1 { page: Section1 } </STYLE> </HEAD> <BODY lang=EN-US style="tab-interval: .5in" bgColor=white> <DIV>CA swells wood? There is a rotational = shear stress between the two pieces of wood in this joint. That will always be = there unless you run a couple dowels (tiny) through there or some-such. = No, I think you'll find that the CA will "carry the load" - as well as it can. = On a relative scale, CA does not perform at its best when the joint is = subjected to shear stresses.</DIV> <DIV> </DIV> <DIV>However, I have also used CA a number = of times for years on this repair without a failure ......... that I am aware = of.   ;-)</DIV> <DIV> </DIV> <DIV>Terry Farrell</DIV> <DIV> </DIV> <DIV>----- Original Message ----- </DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black">From: <A title=deanmay@pianorebuilders.com href="mailto:deanmay@pianorebuilders.com">Dean May</A> </DIV> <DIV style="FONT: 10pt arial">To: <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech</A> </DIV> <DIV style="FONT: 10pt arial">Sent: Wednesday, November 10, = 2004 7:50 AM</DIV> <DIV style="FONT: 10pt arial">Subject: RE: Unglued grand jack = tender</DIV> <DIV> </DIV> <DIV class=Section1> Joe,<o:p></o:p> <![if = !supportEmptyParas]><![endif]> <o:p></o:p> Do you have personal experience with these jacks failing after being CA’d? = Remember the CA is not carrying the stress, the joint is. The CA has swollen = the wood and set. It seems to me that this enables the wood joint to carry the = load as it should. It is not the bonding power of CA that we are using here. <o:p></o:p> <![if = !supportEmptyParas]><![endif]> <o:p></o:p> My personal experience is not one failure from jacks glued 6 years ago.<o:p></o:p> <![if = !supportEmptyParas]><![endif]> <o:p></o:p> Dean<o:p></o:p> Dean May      =        cell 812.239.3359<o:p></o:p> PianoRebuilders.com   = 812.235.5272<o:p></o:p> Terre Haute IN  47802<o:p></o:p> <= SPAN class=EmailStyle15><![if = !supportEmptyParas]><![endif]> <o:p></o:p> -----Original Message----- From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On Behalf Of Joe = Garrett Sent: Tuesday, November 09, = 2004 8:54 PM To: = pianotech Subject: Re: Unglued grand jack = tender <![if = !supportEmptyParas]><![endif]> <o:p></o:p> Cy asked: " why are those = jacks made in two pieces to begin with?  Is it just = so they can fail in = a repairable way if regulation is off (too much aftertouch)?"<o:p></o:p>  <o:p></o:p> Cy,<o:p></o:p> Being the maker of obsolete action parts, I can say the Jack is the most = difficult item to make. (just close your eyes and try to imagine how that = configuration is cut!) It's made that way, because it's better, = IMO<o:p></o:p> BTW, I hope you are prepared to replace those jacks, as in fairly soon, as CA = doesn't last very well in Stress applications. Please don't do that anymore. I = don't care if it is in some PTG manual.....it's a bad way to repair = something like that! Especially in a high end piano! Yikes!<o:p></o:p> <G><o:p></o:p> Best Regards,<o:p></o:p> <![if !supportEmptyParas]><![endif]> <o:p></o:p> Joe Garrett, R.P.T. Captain, Tool Police Squares R = I<o:p></o:p></DIV></BLOCKQUOTE></BODY></HTML= >