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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'>Actually, think of a feathered rib with the <3/16” high ends set into notches in the rim and with the main body of the rib extending well below the bottom of the notch. When the center of the rib is pressed down the ends of the ribs—if you can see them move at all—will pull in very slightly. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'>… and, on a more practical level, think of that 4” (±) thick hard maple rim structure and then think of that <3/8” soft spruce soundboard panel and—what?—a 3/16” (or thinner) rib end spaced every few inches and think to yourself, “in a bending contest which of these is going to give first?”<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'>Even if Ron’s point about rib geometry were not correct—though it is—the argument about the movement of the soundboard affecting the structure of the piano ends right here. As does the argument about the rim sustaining soundboard crown over time. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'>ddf<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Delwin D Fandrich</span><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#632423'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Piano Design & Fabrication</span><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#632423'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#632423'>6939 Foothill Court SW, </span><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Olympia, Washington 98512 USA<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Phone 360.515.0119 — Cell 360.388.6525</span><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#632423'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'><a href="mailto:del@fandrichpiano.com"><span style='color:blue'>del@fandrichpiano.com </span></a></span><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>— </span><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'><a href="mailto:ddfandrich@gmail.com"><span style='color:blue'>ddfandrich@gmail.com</span></a></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:navy'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] <b>On Behalf Of </b>Dale Erwin<br><b>Sent:</b> Thursday, May 24, 2012 7:46 AM<br><b>To:</b> pianotech@ptg.org<br><b>Subject:</b> Re: [pianotech] [CAUT] Fwd: Mason & Hamlin soundboard model with tuning fork<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><p class=MsoNormal style='mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:12.0pt;margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:navy'>Think rotate upward instead of pull in. Place a long flat stick across an open space supported at each end and press on the middle of it. Watch the the rib ends move/rotate upward not out .<o:p></o:p></span></p><div><p class=MsoNormal style='mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:12.0pt;margin-left:36.0pt'><b><span style='font-size:7.5pt;font-family:"Comic Sans MS";color:mediumblue'>Dale Erwin... RPT</span></b><b><span style='font-size:7.5pt;font-family:"Georgia","serif";color:black'><br></span></b><b><i><span style='font-size:7.5pt;font-family:"Comic Sans MS";color:black'>Mason & Hamlin/Steinway/U.S pianos<br><a href="http://www.Erwinspiano.com">www.Erwinspiano.com</a></span></i></b><b><i><span style='font-size:7.5pt;font-family:"Comic Sans MS";color:darkgreen'><br></span></i></b><b><i><span style='font-size:7.5pt;font-family:"Comic Sans MS";color:crimson'>209-577-8397</span></i></b><b><i><span style='font-size:7.5pt;font-family:"Comic Sans MS";color:darkgreen'><br></span></i></b><span style='font-size:10.0pt;font-family:"Courier New";color:darkgreen'><br><br></span><o:p></o:p></p></div></div></body></html>