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<DIV><FONT face=Arial size=2>Hello Del</FONT></DIV>
<DIV><FONT face=Arial size=2>The problem of kinking the strings is =
only present
when repairing a string in an already strung piano where there are =
agraffes. In
fact I made an error here ;-) I meant the kink is more likely to be in =
the area
between the agraffe and the wrest-pin - not the speaking length... tut =
tut
tut!! A kink put there due to the length of space between =
those
two points and the need to raise the pin like a dagger before plunging =
it into
the hole. Gad! How poetic! This raising of the pin must of necessity =
bend the
string at the agraffe.</FONT></DIV>
<DIV><FONT face=Arial size=2>But this is nothing to do with the =
discussion I
notice - so I'll sign off here! Must go and tune two Harpsichords in =
15minutes -
or less... :-)</FONT></DIV>
<DIV><FONT face=Arial size=2>Regards</FONT></DIV>
<DIV><FONT face=Arial size=2>Michael G (UK)</FONT></DIV>
<DIV style="FONT: 10pt arial">----- Original Message -----
<DIV style="BACKGROUND: #e4e4e4; font-color: black"><B>From:</B> <A
title=pianobuilders@olynet.com =
href="mailto:pianobuilders@olynet.com">Delwin D
Fandrich</A> </DIV>
<DIV><B>To:</B> <A title=pianotech@ptg.org
href="mailto:pianotech@ptg.org">Pianotech</A> </DIV>
<DIV><B>Sent:</B> Friday, October 24, 2003 2:04 PM</DIV>
<DIV><B>Subject:</B> Re: Fw: Baldwin pre-cut string</DIV></DIV>
<DIV><BR></DIV>
<DIV><FONT face="Comic Sans MS" 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=Crashvalve@aol.com
href="mailto:Crashvalve@aol.com">Crashvalve@aol.com</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A =
title=pianotech@ptg.org
href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> October 24, 2003 4:42 =
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Fw: Baldwin =
pre-cut
string</DIV>
<DIV><BR></DIV><FONT face=arial,helvetica><FONT face=Geneva =
color=#000000
size=2 FAMILY="SANSSERIF"><BR>In a message dated 10/24/03 5:18:00 =
AM, <A
=
href="mailto:michael@gambles.fsnet.co.uk">michael@gambles.fsnet.co.uk</=
A>
writes:<BR><BR><BR>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px =
solid; MARGIN-RIGHT: 0px"
cite="" TYPE="CITE"></FONT><FONT face=Geneva color=#000000 =
size=2
FAMILY="SANSSERIF">I challenge you to wrap a string round a =
wrest-pin where
there's an agraffe and then hammer the pin into the pin-block =
without
putting a kink in the speaking length of the string. If you can do =
it I'd
like to know. ;-)<BR></BLOCKQUOTE></FONT><FONT face=Geneva =
color=#000000
size=2 FAMILY="SANSSERIF">
<DIV><BR><BR>This is precisely the point, it is doubtful that a string =
having
been dinged or kinked during install or "hooked" to voice, will then
re-straighten itself with the usual speaking tension. My question =
relates to
how does one or how can one straighten a GENTLE curve of the string in =
the
critical inch segment before it terminates at the agraffe or V-bar. =
Several
techs believe this improves the tone.<BR>Glenn C. (is for =
Coleman)</FONT><FONT
face=Geneva color=#000000 size=2 FAMILY="SANSSERIF"></FONT> =
</DIV></BLOCKQUOTE>
<DIV><FONT face="Comic Sans MS" color=#000080></FONT> </DIV>
<DIV><FONT face="Comic Sans MS" color=#000080>I would guess that =
most of us
string pianos all the time without putting any noticeable kink out in =
the
speaking length of the wire. Indeed, I would say it would take a pretty =
sloppy
stringer to put kinks in the wire out in the speaking length of the =
string. He
or she certainly wouldn't work in our shop.</FONT></DIV>
<DIV><FONT face="Comic Sans MS" color=#000080></FONT> </DIV>
<DIV><FONT face="Comic Sans MS" color=#000080>There is quite a =
difference
between a kink in the wire -- i.e., abruptly bending the wire enough to =
take the
steel beyond its proportional limit and putting a permanent bend in =
the
wire -- and the gentle curve observed in the wire as it approaches =
its
termination. The extent of this curve is a function of the string's =
stiffness
(its diameter) and the string deflection angle as it passes either =
through the
agraffe or across the V-bar. This bend appears because music wire is not =
perfectly flexible, not because the stringer is putting a kink in the
wire. A similar, though milder bend can seen as the wire approaches =
the
bridge pin offset. Both of these tend to dissipate over time. Or they =
can be
straightened out by one of several string leveling techniques. (Check =
the
archives for string leveling.) Indeed, in most shops, this string =
leveling is
done as a normal part of the stringing operation. Not so much because "a =
straighter wire gives truer harmonics," but because we want the hammer =
to strike
all of the strings of the unison simultaneously.</FONT></DIV>
<DIV><FONT face="Comic Sans MS" color=#000080></FONT> </DIV>
<DIV><FONT face="Comic Sans MS"
color=#000080>Del</FONT></FONT></DIV></BODY></HTML>