<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><base href="x-msg://36/"><style></style></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'>Joe did. <o:p></o:p></span></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'>“</span></i><i><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>We tightened the bolts  with a socket. Crown is back in the mid section where it was flat. Sustain 7 seconds!”</span></i><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'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'>It is conceivable that string bearing could be increased by tightening plate screws or bolts. If the plate is sitting slightly high because the bolts are on the loose side then string bearing could increase. The original post, however, said that “crown is back…where it was flat.” As I said, I cannot conceive of any way tightening the plate screws or bolts in any piano could accomplish this.<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><div><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></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><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>Al Guecia/Allied PianoCraft<br><b>Sent:</b> Sunday, July 03, 2011 9:50 AM<br><b>To:</b> pianotech@ptg.org<br><b>Subject:</b> Re: [pianotech] SnS rim screws<o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt'>I don't think I said anything about crown. Of course you could never increase crown by tightening plate bolts. But if the plate bolts are loose and the plate isn't sitting down on all the plate supports, you could conceivably increase the down bearing and get a better tone and sustain if the plate was sitting firmly on the plate supports.<o:p></o:p></p><div><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>Al -<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>High Point, NC<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p></div><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-left:36.0pt'>On Jul 3, 2011, at 11:37 AM, Delwin D Fandrich wrote:<o:p></o:p></p></div><p class=MsoNormal style='margin-left:36.0pt'><br><br><o:p></o:p></p><div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'>Then I’d sure like to see better explanations of just what mechanism might have been at work to cause an immediate and measurable increase in soundboard crown as a result of tightening plate screws/bolts. There is nothing one could do to the rim—or any other part of the skeleton—of an assembled piano that could conceivably cause a resultant increase in soundboard crown. Tightening plate screws and/or bolts simply will not do it—no matter how loose they might have been or how tight they have now become.</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'>ddf</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'> </span><o:p></o:p></p></div><div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Delwin D Fandrich</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Piano Design & Fabrication</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#632423'>6939 Foothill Court SW,<span class=apple-converted-space> </span></span><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Olympia, Washington 98512 USA</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Phone  360.515.0119 — Cell  360.388.6525</span><o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'><a href="mailto:del@fandrichpiano.com">del@fandrichpiano.com<span class=apple-converted-space> </span></a>—<span class=apple-converted-space> </span><a href="mailto:ddfandrich@gmail.com">ddfandrich@gmail.com</a></span><o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'> </span><o:p></o:p></p></div><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-width:initial;border-color:initial'><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><a href="mailto:pianotech-bounces@ptg.org">pianotech-bounces@ptg.org</a><span class=apple-converted-space> </span>[mailto:pianotech-bounces@ptg.org]<span class=apple-converted-space> </span><b>On Behalf Of<span class=apple-converted-space> </span></b>Al Guecia/Allied PianoCraft<br><b>Sent:</b><span class=apple-converted-space> </span>Sunday, July 03, 2011 7:27 AM<br><b>To:</b><span class=apple-converted-space> </span><a href="mailto:pianotech@ptg.org">pianotech@ptg.org</a><br><b>Subject:</b><span class=apple-converted-space> </span>Re: [pianotech] SnS rim screws</span><o:p></o:p></p></div></div></div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'> <o:p></o:p></p></div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span class=apple-style-span><u><span style='font-size:9.0pt'>Joe Gross wrote: </span></u></span><o:p></o:p></p></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'> <o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span class=apple-style-span><u><span style='font-size:9.0pt'>Cut to the chase: We tightened the bolts  with a socket. Crown is back in the mid section where it was flat. Sustain 8 seconds</span></u></span><u>.</u><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'> <o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'> <o:p></o:p></p></div></div><div><div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>Del, I don't think it was relative humidity change in this case. As I read it, it was an immediate change.</span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'> </span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>Al -</span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>High Point, NC</span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'> </span><o:p></o:p></p></div></div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'> <o:p></o:p></p></div></div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'> <o:p></o:p></p></div><div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'>On Jul 3, 2011, at 9:51 AM, Delwin D Fandrich wrote:<o:p></o:p></p></div></div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><br><br><br><o:p></o:p></p></div><div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'>It’s more likely the relative humidity around the piano has changed thus changing the moisture content in the board thus changing the amount of crown. Happens all the time when humidity levels changes.</span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'> </span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'>ddf</span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'> </span><o:p></o:p></p></div></div><div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Delwin D Fandrich</span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Piano Design & Fabrication</span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#632423'>6939 Foothill Court SW,<span class=apple-converted-space> </span></span><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Olympia, Washington 98512 USA</span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'>Phone  360.515.0119 — Cell  360.388.6525</span><o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Comic Sans MS";color:#632423'><a href="mailto:del@fandrichpiano.com">del@fandrichpiano.com<span class=apple-converted-space> </span></a>—<span class=apple-converted-space> </span><a href="mailto:ddfandrich@gmail.com">ddfandrich@gmail.com</a></span><o:p></o:p></p></div></div></div><div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:navy'> </span><o:p></o:p></p></div></div><div><div style='border:none;border-top:solid windowtext 3.0pt;padding:3.0pt 0cm 0cm 0cm;border-width:initial;border-color:initial;border-width:initial;border-color:initial'><div style='margin-left:36.0pt'><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><a href="mailto:pianotech-bounces@ptg.org">pianotech-bounces@ptg.org</a><span class=apple-converted-space> </span>[mailto:pianotech-bounces@ptg.org]<span class=apple-converted-space> </span><b>On Behalf Of<span class=apple-converted-space> </span></b>Al Guecia/Allied PianoCraft<br><b>Sent:</b><span class=apple-converted-space> </span>Sunday, July 03, 2011 5:33 AM<br><b>To:</b><span class=apple-converted-space> </span><a href="mailto:pianotech@ptg.org">pianotech@ptg.org</a><br><b>Subject:</b><span class=apple-converted-space> </span>Re: [pianotech] SnS rim screws</span><o:p></o:p></p></div></div></div></div><div style='margin-left:36.0pt'><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'> <o:p></o:p></p></div></div><div style='margin-left:36.0pt'><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'>Joe, it could then be possible that the plate was up off the supports and when you tighten the plate bolts you got the plate down onto the supports and thus the improved tone and down bearing.<o:p></o:p></p></div></div><div><div style='margin-left:36.0pt'><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'> <o:p></o:p></p></div></div><div><div><div style='margin-left:36.0pt'><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>Al -</span><o:p></o:p></p></div></div></div><div><div style='margin-left:36.0pt'><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>High Point, NC</span><o:p></o:p></p></div></div></div></div></div></div></div><div style='margin-left:36.0pt'><p class=MsoNormal style='margin-left:36.0pt'> <o:p></o:p></p></div></div></div></div><p class=MsoNormal style='margin-left:36.0pt'><o:p> </o:p></p></div></div></body></html>