<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 5.50.4134.600" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT color=#000080></FONT> </DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000080 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=Wimblees@aol.com = href="mailto:Wimblees@aol.com">Wimblees@aol.com</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=caut@ptg.org href="mailto:caut@ptg.org">caut@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> August 09, 2002 11:04 = AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Accu hitch = pins</DIV> <DIV><BR></DIV><FONT face=arial,helvetica><FONT size=2>In a = message dated 8/9/02 9:32:17 AM Central Daylight Time, <A href="mailto:atodd@UH.EDU">atodd@UH.EDU</A> writes: <BR><BR><BR> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px = solid; MARGIN-RIGHT: 0px" TYPE="CITE">Wim, <BR><BR><BR>Wouldn't one need "several" thicknesses = of wood to do this? <BR>It's going to vary across the scale, isn't it? <BR><BR><BR>Avery <BR><BR><BR></BLOCKQUOTE> <DIV><BR><BR>According to what Kent told me, there is no difference, = as long as there is enough bearing. If more bearing is needed, all you need to = do is tap the string down on the pin.   <BR><BR>Wim </DIV> <DIV> </DIV></BLOCKQUOTE> <DIV><FONT face="Lucida Sans" color=#000080 size=3>I would guess = that Kent either misunderstood your question or you misunderstood his answer. It = would be rare for the string elevation above the plate to be uniform across the = scale. This setting is going to vary depending on the physical = idiosyncrasies of the specific soundboard assembly and the specific plate casting. And = with the phase of the moon and on how close it is to the Winter or Summer Solstice.</FONT></DIV> <DIV><FONT face="Lucida Sans" color=#000080 = size=3></FONT> </DIV> <DIV><FONT face="Lucida Sans" color=#000080 size=3>If the intent = is to duplicate the original bearing settings then simply measure and record the = elevation of the end strings of each section and, perhaps, one or two toward the = middle before destringing. String the piano and set the new strings back where = the originals were. </FONT></DIV> <DIV><FONT face="Lucida Sans" color=#000080 = size=3></FONT> </DIV> <DIV><FONT face="Lucida Sans" color=#000080 size=3>In all = probability, however, new bearing settings will be desired to accommodate a slightly settled soundboard. Usually this means that the strings will end up a bit lower = on the pin than they were originally. Assuming the factory got it right originally.</FONT></DIV> <DIV><FONT face="Lucida Sans" color=#000080 = size=3></FONT> </DIV> <DIV><FONT face="Lucida Sans" color=#000080 size=3>Probably the = easiest way to do this is to start by setting them where they were originally and = measure string deflection using a bubble gage.</FONT></DIV> <DIV><FONT face="Lucida Sans" color=#000080 size=3>  = </FONT></DIV> <DIV><FONT face="Lucida Sans" color=#000080 size=3>You can use the = settings in the directions sent by Avery or follow the general rule of 1.5% = of string tension bearing against the bridge in the treble section, easing off to = 1.0% in the tenor and 0.5% in the bass. Since bubble gages vary in how they read = you'll have to find out what each gradation means on the gage you're using. The = Baldwin-designed gage is set up so that each gradation indicates 17 = minutes of arc. Or, translated, 0.5% of string tension bearing against the bridge.</FONT></DIV> <DIV><FONT face="Lucida Sans" color=#000080 = size=3></FONT> </DIV> <DIV><FONT face="Lucida Sans" color=#000080 = size=3>Del</FONT></DIV> <DIV><FONT face="Lucida Sans" color=#000080 size=3></FONT> </DIV></FONT></FONT></BODY></HTML>