<!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: string termination</title> <style>  </style> </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> <p class=MsoNormal><font size=4 color=blue face=Arial><span = style='font-size: 14.0pt;font-family:Arial;color:blue'>Your pictures show an interesting = concept of how to keep a piano string from buzzing on top of the bridge (without = to much down bearing) .  Is this an agraffe on the bridge?  How = is it actually mounted?  Threaded, or driven or glued?  How does = this sound?   It must be acceptable as in better than = digital.   These days most digitals are beginning to sound better than most grands = under 5’2” at least through loud speakers (including sound = reinforcement).   </span></font></p> <p class=MsoNormal><font size=4 color=blue face=Arial><span = style='font-size: 14.0pt;font-family:Arial;color:blue'> </span></font></p> <p class=MsoNormal><font size=4 color=blue face=Arial><span = style='font-size: 14.0pt;font-family:Arial;color:blue'>The other concern (theoretical) is = that a string resting on a bridge by itself transmits its vibrations = directly.  A string going through a big brass agraffe must also move the mass of that agraffe which might be many times more than the string itself so I = wonder what the acoustic or sonic effect might be?   I would love to hear = it because it seems such an object might be made to solve the problem of = down bearing controlled to .001 inch for each string.  = </span></font></p> <p class=MsoNormal><font size=4 color=blue face=Arial><span = style='font-size: 14.0pt;font-family:Arial;color:blue'>      =             &= nbsp;           ---ric </span></font></p> <p class=MsoNormal><font size=4 color=blue face=Arial><span = style='font-size: 14.0pt;font-family:Arial;color:blue'> </span></font></p> <div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in = 0in 4.0pt'> <p class=MsoNormal><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>Overs Pianos<br> <b><span style='font-weight:bold'>Sent:</span></b> Thursday, August = 18, 2005 10:07 PM<br> <b><span style='font-weight:bold'>To:</span></b> Pianotech<br> <b><span style='font-weight:bold'>Subject:</span></b> RE: string = termination</span></font></p> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'> </span></font></p> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'>Hi all,</span></font></p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'> </span></font></p> </div> <blockquote style='margin-top:5.0pt;margin-bottom:5.0pt' type=cite = cite> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'>I have been perusing the web for an actual diagram/picture of = the Stuart bridge set up and can't find one....any help on this?<br> <br> David Ilvedson</span></font></p> </blockquote> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'><br> Hi David,</span></font></p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'>A couple of years ago I took some photos of his agraffes and = posted them to my website. You can still find them at;</span></font></p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'>The link below shows his first type of agraffe, which would have = a propensity to rotate the bridges off the panel.</span></font></p> </div> <div> <p class=MsoNormal><font size=3 color=black face="Lucida = Grande"><span style='font-size:12.0pt;font-family:"Lucida = Grande";color:black'>http://overspianos.com.au/strtagr1.jpg</span></font>= </p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'>This is his latest agraffe, which is a better design. The = silastic is there to control string noise, which is caused by the string vibrating = against the sides of the string loading slot.</span></font></p> </div> <div> <p class=MsoNormal><font size=3 color=black face="Lucida = Grande"><span style='font-size:12.0pt;font-family:"Lucida = Grande";color:black'>http://overspianos.com.au/strtagr2.jpg</span></font>= </p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'>The basic idea is very good. But the noisy slot problem needs addressing (I have tuned one of these pianos a few times, just in case = some of you are wondering about my familiarity with the = design).</span></font></p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'> </span></font></p> </div> <div> <p class=MsoNormal><font size=3 face="Times New Roman"><span = style='font-size: 12.0pt'>Ron O.</span></font></p> </div> <pre><font size=2 face="Courier New"><span = style='font-size:10.0pt'><x-sigsep>-- </span></font></pre> <div> <p class=MsoNormal><b><font size=4 color=blue face="Times New = Roman"><span style='font-size:13.5pt;color:blue;font-weight:bold'></x-sigsep>OVERS = PIANOS - SYDNEY</span></font></b></p> </div> <div> <p class=MsoNormal><i><font size=3 color=black face="Times New = Roman"><span style='font-size:12.0pt;color:black;font-style:italic'>  &nbs= p;</span></font><font color=blue><span style='color:blue'>Grand Piano = Manufacturers</span></font></i><font color=black><span style='color:black'><br> _______________________</span></font></p> </div> <div> <p class=MsoNormal><font size=1 color=black face="Times New = Roman"><span style='font-size:7.5pt;color:black'><br> </span></font><font color=black><span style='color:black'>Web http://overspianos.com.au</span></font></p> </div> <div> <p class=MsoNormal><font size=3 color=black face="Times New = Roman"><span style='font-size:12.0pt;color:black'>mailto:ron@overspianos.com.au<br> _______________________</span></font></p> </div> </div> </div> </body> </html>