<!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=blue> <div class=Section1> <p class=MsoNormal><font size=4 face=Arial><span style='font-size:14.0pt; font-family:Arial'>You can have Calculating Technician for only a pre paid envelope with a dollar inside.  That is unless someone else wants it for two bucks.   The formulas and equations in there are good, I just happen to like McFerrin better     ----ricm   </span></font></p> <p class=MsoNormal><font size=4 face=Arial><span style='font-size:14.0pt; font-family:Arial'> </span></font></p> <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>Absolute Piano<br> <b><span style='font-weight:bold'>Sent:</span></b> Wednesday, September 27, 2006 9:47 AM<br> <b><span style='font-weight:bold'>To:</span></b> Pianotech List<br> <b><span style='font-weight:bold'>Subject:</span></b> Scaling progranms-Calculating Technician</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=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>The Calculating Technician is out of print. Does anyone have a copy that I could beg, borrow or steal? On this topic, I've heard that the calculations (or the approach) are not quite right. I wouldn't know but would be interested in hearing any comments? Besides you gotta start somewhere.</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'>Jude Reveley, RPT<br> Absolute Piano Restoration, LLC<br> Boston, Massachusetts</span></font></p> </div> <blockquote style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 3.0pt; margin-left:3.0pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'> <div> <p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>----- Original Message ----- </span></font></p> </div> <div style='font-color:black'> <p class=MsoNormal style='margin-left:.5in;background:#E4E4E4'><b><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial;font-weight:bold'>From:</span></font></b><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a href="mailto:jkanter@rollingball.com" title="jkanter@rollingball.com">Jason Kanter</a> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><b><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial;font-weight:bold'>To:</span></font></b><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a href="mailto:pianotech@ptg.org" title="pianotech@ptg.org">Pianotech List</a> </span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><b><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial;font-weight:bold'>Sent:</span></font></b><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> Tuesday, September 26, 2006 5:49 PM</span></font></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><b><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial;font-weight:bold'>Subject:</span></font></b><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> Call for scaling spreadsheets</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'><strong><b><font size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;color:teal'>List</span></font></b></strong></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><strong><b><font size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;color:teal'>If any of you have and are willing to share your scaling spreadsheets - please send to me. In response to Ric Brekne's recent suggestion, I am offering to use my Excel skills to take a crack at making a nice, user-friendly, efficient graphing spreadsheet that we can all use to improve our study and understanding of this area of the craft. I will compile the best ideas and hopefully come up with something really useful.</span></font></b></strong></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'><strong><b><font size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;color:teal'>I don't presently know much about scaling, but I do know Excel and have access to the "Calculating Technician" Journal series where a lot of this was discussed.</span></font></b></strong></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'><strong><b><font size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;color:teal'>What do you measure, and what formulas do you apply, and what are the dependencies, constraints and limits? The parameters suggested by Ric include:</span></font></b></strong></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> <blockquote style='margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>Inputs:   </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'>Diameters </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'>lengths </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'>type of string material?</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'><strong><b><font size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;color:teal'>Outputs:</span></font></b></strong></p> </div> <div> <div> <p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>inharmonicity </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'>tension</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'>breaking point % </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'>frequency.</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'><strong><b><font size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;color:teal'>For bass strings:</span></font></b></strong></p> </div> <div> <p class=MsoNormal style='margin-left:.5in'><strong><b><font size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;color:teal'>how do you deal with wrapping?</span></font></b></strong></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> </blockquote> <div> <p class=MsoNormal style='margin-left:.5in'><strong><b><font size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;color:teal'>And since we will no doubt be looking to improve scaling, what kinds of what-ifs would you like to automate?</span></font></b></strong></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'><strong><b><font size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;color:teal'>I am proposing this as a volunteer project, the output to be freely available. Maybe that idea creates difficulties since it might "compete" with commercially available programs. If that's an issue, let me know and we'll think about it.</span></font></b></strong></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'><strong><b><font size=2 color=teal face="Times New Roman"><span style='font-size:10.0pt;color:teal'>Jason</span></font></b></strong></p> </div> </blockquote> </div> </body> </html>