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<DIV><FONT face=Arial size=2>There is about 1/16" difference between the
tenor section and the two treble sections (tenor is higher). I really wasn't
trying to grind very much off the agraffes. I was just figuring that as long as
I need to grind a little bit for alignment, I might as well at least grind most
of that angled lip off - that's all. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Got it figured out anyway. Turn the agraffe with a
slow power tool and clamp the cutter - seems to work like a charm:</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><IMG alt="" hspace=0 src="cid:003901c79e2b$4a045a10$0501a8c0@DESKTOP"
align=baseline border=0></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Terry Farrell</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"> </DIV>
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<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Grinding the v-bar
runs a risk of grinding through the hardened portion that is crucial for clean
termination. Wouldn’t recommend that. I don’t see any problem with
changing hammer bore for each section. It’s fairly common for pianos to
vary from the bottom of the tenor to the top of the treble (not to mention
bass and treble differences). Often it’s a gradual change (as in
Steinway), but sometimes not. I can’t imagine we are talking about much
difference hear. There is a limit to how much you can effectively grind
off an agraffe to effect a change. I don’t see any real benefit
anyway. The simplest solution is often the best.
</SPAN></FONT></P>
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<P><FONT face="Times New Roman" color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy">David Love</SPAN></FONT></P></DIV>
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style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original
Message-----<BR></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="MS Sans Serif"
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'MS Sans Serif'">I agree
with Terry that it would be preferable to keep the hammer bore as consistent
as possible. In manufacturing, the counterboring is done on CNC
machines. It would be very difficult to keep the counterboring
consistent, resulting in the strings being in a consistent plane, even if you
do get it closer to the treble plane. Would it be easier, and more even
to grind the v-bar to raise the treble, rather than lower the tenor? Is
there room to lower the plate a bit to compensate?</SPAN></FONT></P>
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<DIV>
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size=2><SPAN
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<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="MS Sans Serif"
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'MS Sans Serif'">Frank
Emerson</SPAN></FONT></P></DIV>
<DIV>
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size=2><SPAN
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<DIV>
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size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'MS Sans Serif'"></SPAN></FONT> </P></DIV>
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<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">----- Original Message -----
</SPAN></FONT></P></DIV>
<DIV style="font-color: black"><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Pretty hard to make
any significant difference without major grinding of the agraffes. I’d
simply adjust the hammer bore assuming that the bearing is not at issue.
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