<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD><TITLE>Re: rear string lengths</TITLE> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <STYLE type=text/css>BLOCKQUOTE { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } DL { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } UL { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } OL { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } LI { PADDING-BOTTOM: 0px; PADDING-TOP: 0px } </STYLE> <META content="MSHTML 6.00.2600.0" name=GENERATOR></HEAD> <BODY bgColor=#ffffff> <DIV><FONT size=2>Should the backscale length be taken into = consideration when setting down bearing?  Since a shorter backscale doesn't allow as = much freedom of movement for the bridge, would you, then, consider reducing = the bearing on a piano, or section, that had a shorter backscale, and vice versa?  Is there some formula or general rule of thumb for this.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>David Love</FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=sec@overspianos.com.au = href="mailto:sec@overspianos.com.au">Ron Overs</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> December 05, 2002 2:40 = PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: rear string = lengths</DIV> <DIV><BR></DIV> <DIV><FONT size=2><snip></FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV>So I took the opportunity to rectify the down bearing by building = taller bridges instead of lowering the plate, since already I had begun to = suspect that tall bridges helped sustaining qualities. When the bearing was = finally set this piano ended up with a nearly 40 mm high treble bridge in the = mid section<FONT color=#0000ff> (with an unstrung down bearing setting = of 6 mm - 4 of which typically sinks out during the stringing)</FONT>. The sustain = of this piano is very good. </DIV> <DIV> </DIV> <DIV><FONT size=2><snip></FONT></DIV> <DIV><FONT size=2></FONT> </DIV></BLOCKQUOTE></BODY></HTML>