<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; = charset=us-ascii"> <META NAME="Generator" CONTENT="MS Exchange Server version = 6.5.7036.0"> <TITLE>RE: CA on bridge pins? or is it?</TITLE> </HEAD> <BODY>  <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">Hello List</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">The string terminates in two places. I believe either to be a = potential source of false beats.</FONT></SPAN><SPAN LANG="en-gb"> = <FONT SIZE=2 FACE="Courier New">It is just as liable to be caused = under the</FONT></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 = FACE="Courier New">capo d'astro when the string = creates</FONT></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New"> a groove in the 'V' bar.</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">Regards</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">Michael G.(UK)</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">p.s. where do I get a flame suit at 11:00pm on a Saturday = night?</FONT></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New"></FONT></SPAN><SPAN LANG="en-gb"> <FONT FACE="Wingdings" = SIZE=2>J</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN = LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-us"><FONT SIZE=2 FACE="Courier = New">-----Original Message-----<BR> From: Ron Nossaman [<A = HREF="mailto:rnossaman@cox.net">mailto:rnossaman@cox.net</A>]<BR> Sent: 24 September 2005 13:30<BR> To: Pianotech<BR> Subject: Re: CA on bridge pins</FONT></SPAN><SPAN = LANG="en-gb"></SPAN></P> <BR> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> THEORY 1 of false beats involves the pin and = notch</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> terminating the string at different effective = speaking</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> lengths parallel or perpendicular to the bridge. = </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> Generally, string cuts at the notch increase = the</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> speaking length and lower the pitch when = vibrating</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> perpendicular to the bridge.  String seating = and</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> careful notching assume this is the dominant = theory.</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> Could CA help this? Maybe?(see below)</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> THEORY 2 suggests the pin is loose and = vibrating,</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">> creating the false beat. </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">It's both. The pin is the string termination, and the string = doesn't </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">slither up and down the pin during play. The pin gets loose in the = </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">cap at the surface and flexes (2-B). The flagpoling pin and the = </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">crushed notch edge make for two effective speaking lengths. Seating = </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">wedges the pin so it doesn't flagpole and (sometimes) temporarily = </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">stops the beat. CA stops the flagpoling by providing support to the = </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">pin at the surface, which kills the false beat.</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">  This has all been gone over repeatedly and exhaustively, and = the </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">archives are full of it. This year alone has enough reading to keep = </FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">you busy for a while.</FONT></SPAN></P> <P ALIGN=LEFT><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Courier = New">Ron N</FONT></SPAN><SPAN LANG="en-gb"></SPAN></P> </BODY> </HTML>