<!doctype html public "-//W3C//DTD W3 HTML//EN"> <html> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; = charset=us-ascii"> <meta name=Generator content="Microsoft Word 10 (filtered)"> <title>Re: False Beats in high treble after stringing</title> <style>  </style> </head> <body 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'>You might check to see how much = downbearing there is over the bridge.  A rocker gauge may not show it, but a = bubble gauge or other more sophisticated tool will.  It’s likely = that there isn’t much downbearing in that area.  I rebuilt a Ste. M some = time ago, and was similarly disappointed with the result, with all the false = beats and such.  I used CA instead of your epoxy, but did all the same = things to get rid of the false beats, to no avail.  When I used my = </span></font><font size=2 color=navy face=Arial><span = style='font-size:10.0pt;font-family:Arial; color:navy'>Lowell</span></font><font size=2 color=navy = face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> gauge to check = that area, there wasn’t much downbearing at all.  I had to let it = go at that.  FWIW.</span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span = style='font-size: 10.0pt;font-family:Arial;color:navy'>      =       Paul McCloud</span></font></p> <p class=MsoNormal><font size=2 color=navy face=Arial><span = style='font-size: 10.0pt;font-family:Arial;color:navy'>      =       San Diego</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> <p class=MsoNormal><font size=2 color=navy face=Arial><span = style='font-size: 10.0pt;font-family:Arial;color:navy'> </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>Keith McGavern<br> <b><span style='font-weight:bold'>Sent:</span></b> Tuesday, June 10, = 2003 6:07 AM<br> <b><span style='font-weight:bold'>To:</span></b> Pianotech<br> <b><span style='font-weight:bold'>Subject:</span></b> Re: False Beats = in high treble after stringing</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="Times New Roman"><span style='font-size:12.0pt'>At 9:09 PM -0400 6/9/03, Dave Smith = wrote:</span></font></p> </div> <blockquote style='margin-top:5.0pt;margin-bottom:5.0pt' type=cite = cite> <p class=MsoNormal style='margin-left:.5in'><font size=2 = face=Arial><span style='font-size:10.0pt;font-family:Arial'>... Can anyone offer me = advice on what to do next to reduce the false beats, short of unstringing and = recapping bridge, etc?  I would appreciate your help!</span></font></p> </blockquote> <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'>Dave,</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'>I am no expert in this area, but will offer = some thoughts has to how I would attempt to troubleshoot this matter in my = mind.</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'>To hopefully discover the = cause:</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'>1) pick the worst offender</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'>2) mute the non-speaking sections of that = offender, listen.</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'>3) if false beat still there, determine that = there is side and down bearing</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'>4) if there is, determine that the string = equally leaves the both the bridge pin and the bridge</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'>5) if it does, determine that there is = absolutely no movement in the bridge pin</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'>6) if all these prove to be okay and the = false beat has not dissipated, the way the string contacts the pressure bar is = certainly a possibility for inducing a false beat.</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'>7) And if after verifying all these = conditions are as they should be, replacing the string is another = option.</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'>You might not be able to eliminate all of the = false beats, but it is very possible they can be blended so that no one false = beat stands out above the others. When tuning pianos in the field, blending = is utilized by me quite often to mask inherent discrepancies that will = never be properly addressed.</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'>These are my thoughts on the matter, Dave, on = chasing down the worst offending false beat situation.</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'>Rest easy in this matter. Frustration in not = the master, you are.</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'>Keith McGavern</span></font></p> </div> </div> </body> </html>