<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=US-ASCII"> <meta name=Generator content="Microsoft Word 10 (filtered)"> <style>  </style> </head> <body bgcolor=white lang=EN-US link=blue vlink=purple> <div class=Section1> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'>I prefer a shorter blow and less dip.  10 mm dip is my target.  10.25 on a concert grand.  Otherwise, it looks good.  5 g friction is slightly high for the shank.  Three grams would be my preference.   Different manufacturers have different specs and performance on the flange pinning.  </span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size: 10.0pt;font-family:Arial;color:navy'> </span></font></p> <div> <p><font size=2 color=navy face="Times New Roman"><span style='font-size:10.0pt; color:navy'>David Love<br> davidlovepianos@comcast.net<br> www.davidlovepianos.com</span></font><font color=navy><span style='color:navy'> </span></font></p> </div> <p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br> <b><span style='font-weight:bold'>From:</span></b> pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] <b><span style='font-weight:bold'>On Behalf Of </span></b></span></font><font size=2 face=Tahoma><span style='font-size: 10.0pt;font-family:Tahoma'>Farrell</span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'><br> <b><span style='font-weight:bold'>Sent:</span></b> Sunday, July 08, 2007 12:10 PM<br> <b><span style='font-weight:bold'>To:</span></b> </span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>Pianotech List</span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'><br> <b><span style='font-weight:bold'>Subject:</span></b> Re: Action Ratio and Dip and Blow and Etc.</span></font></p> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>As suggested, I fully regulated my sample note #40 and regulated friction. Friction in key is <2g, wip flange is 2-3g, shank flange is 5g (it was next to zero).</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Here's how things shake out:</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>DW - 50g</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>UW - 25g</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>F - 12.5g</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>BW - 37.5g</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>R - 5.7</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>SW - 9.0 (medium to medium-low)</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>FW - 19.35 (65% or FW max 30g)</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>KR - 0.52</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Knuckle - 17mm</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Action Spread - 114.5mm</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Blow - 47mm or 1-7/8"</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Dip - 10.65mm or 0.42"</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Letoff - 1.65mm or 1/16"</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Aftertouch - 0.85mm or 0.030"</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>I know my letoff is set real close. I could also lessen blow to 1-3/4 which would give me a dip of 9.94mm or 0.39"</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Below is pic of leading on #40 (natural in center with 12g lead sitting on top at rear of key cover)</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><img width=284 height=213 src="cid:image001.jpg@01C7C15A.4F980A10" align=baseline border=0></span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Below is action at rest</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><img width=284 height=213 src="cid:image002.jpg@01C7C15A.4F980A10" align=baseline border=0></span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Below is action at full keystroke (w/ moderate pressure on key - the heavier end of my Spurlock gram weight set)</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><img width=284 height=213 src="cid:image003.jpg@01C7C15A.4F980A10" align=baseline border=0></span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Full keystroke again, but here you can see knuckle clearing the knuckle, and just kissing the fuzzy exterior of the jack cushion.</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><img width=284 height=213 src="cid:image004.jpg@01C7C15A.4F980A10" align=baseline border=0></span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>I'm thinking I got this puppy licked. Am I missing anything? Anyone see something that is out of whack? Can I assume that if I can do 87 more notes like this one that I'll have one slick-playing action? Anything else that would/could improve it?</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>My next post will contain many thank-you's. I'm afraid if I attempted to try to do justice to that need here, this post would get bumped for being too large!</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Jude - you were right about the rep lever pinning - I removed the spring from it and it was blowing in the wind - zero friction. I repinned it for 5g.</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>And Jon - you mentioned that the capstan/heel magic line is out the window. Actually, the reason I put that heel extension on there was to get the contact on the magic line - it was way above it originally. You could just watch the original capstan slide along the heel. Now, the contact is right on the magic line at half blow and they move together is perfect unison - no sliding.</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Now, the rep-lever/knuckle contact of way out the window - lots of sliding there. Oh well. Thank goodness for Spurlock Teflon powder.</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Terry Farrell</span></font></p> </div> </div> </body> </html>