<HTML><HEAD><TITLE>Message</TITLE> <META http-equiv=Content-Type content="text/html; charset=iso-885= 9-1"> <META content="MSHTML 6.00.2900.2802" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY style="BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; BORDER= -LEFT-STYLE: none; BORDER-BOTTOM-STYLE: none" bgColor=#d8d0c8> <P>An 8 cent change in tension will result in at least a 2 cent deviati= on.   If with overpull...that's not fine tuning.   = I figure a 3 cent change is pushing it....<BR></P> <P>David Ilvedson, RPT<BR>Pacifica, California<BR><BR><BR></P> <DIV style="PADDING-RIGHT: 5px; PADDING-LEFT: 5px; PADDING-BOTTOM: 5p= x; BORDER-LEFT: #000000 3px solid; PADDING-TOP: 5px"> <HR> Original message<BR>From: "Cy Shuster" <741662027@theshusters.org&gt= ;<BR>To: Pianotech <PIANOTECH@PTG.ORG><BR>Received: 12/20/2005 2:24:20 = PM<BR>Subject: Re: How to explain a pitch adjustment<BR><BR> <DIV align=left><FONT size=2>I measure pitch on all the A's before = I start, and record this for the customer on a graph on the invoice.&nb= sp; This gives them a great visual about what work is needed.  The= graph indicates "fine tuning" range (+/1 eight cents for me).</FONT></= DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>The analogy I use is sanding: if wood is very rough= , you can't start with the 1000-grit paper; multiple passes are require= d.  Same thing for painting: with regular maintenance, one coat co= vers, otherwise you may need several.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>A description of the forces involved helps: 15 to 2= 0 tons of tension overall; a pitch raise can add a ton of tension (righ= t?), yet a fine tuning requires < 1% accuracy.  No wonder it do= esn't last!</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>--Cy--</FONT></DIV> <DIV> </DIV> <DIV><FONT size=2></FONT> </DIV></DIV></BODY></HTML>