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<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span =
style='font-size:
10.0pt;font-family:Arial;color:navy'>Ed,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span =
style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span =
style='font-size:
10.0pt;font-family:Arial;color:navy'>Seiler says they have been using =
them for around
20 years (<a =
href="http://www.seiler-pianos.de/eng/seiler/patente.htm">http://www.se=
iler-pianos.de/eng/seiler/patente.htm</a>)
without loss of power. At least that is what Ursula Seiler said. =
I’m not
sure if that meant in production or in =
experimentation.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span =
style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span =
style='font-size:
10.0pt;font-family:Arial;color:navy'>Jim<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span =
style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original =
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> =
caut-bounces@ptg.org
[mailto:caut-bounces@ptg.org] <b><span style='font-weight:bold'>On =
Behalf Of </span></b>Ed
Sutton<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, March 22, =
2005 3:42
PM<br>
<b><span style='font-weight:bold'>To:</span></b> caut@ptg.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [CAUT] about =
magnets</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 =
face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans Serif"'>O, Great Minds of =
Caut!<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans =
Serif"'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans Serif"'>I have heard tell =
that
Petrof is producing grand pianos with a magnetic assisted action, soon =
to
arrive in our neighborhood.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans =
Serif"'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans Serif"'>The magnets are =
installed
in the wippen rail and wippen in repelling orientation so that the =
magnets lift
the wippen similar to a wippen assist spring. The touchweight can =
be
refined by adjusting the magnets similar to a screw regulated wipen =
assist
spring. Functionally it seems identical to a wippen assist =
spring.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans =
Serif"'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans Serif"'>When I asked how =
it
differed from a wippen assist spring I was told "Springs wear out, =
but
magnets last forever." I would be interested in educated =
comments on
that statement. The magnets will be held continuously in =
opposition and
"compression." Will they grow weaker over years? =
decades? or
will they last forever?<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans =
Serif"'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans Serif"'>How does this =
compare with
assist springs? Do wippen assist springs grow weaker over =
time?
Faster than magnets?<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans =
Serif"'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans Serif"'>Jim Ellis, I =
thank you in
advance!<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans =
Serif"'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans =
Serif"'>Sincerely,<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans Serif"'>Ed =
Sutton<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
face="MS Sans Serif"><span
style='font-size:10.0pt;font-family:"MS Sans =
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