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<p class=MsoNormal><font size=2 color=navy face=Arial =
id="role_document"><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Hi =
Dale,<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'>So why don’t you take weight =
out of
the hammers by arcing the tails and trimming the sides? =
<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>
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style='font-size:22.0pt;mso-bidi-font-size:12.0pt;font-family:"Bradley =
Hand ITC";
color:navy;font-weight:bold;mso-no-proof:yes'>Dean<o:p></o:p></span></fon=
t></b></p>
<p class=MsoAutoSig><font size=3 color=navy face="Times New =
Roman"><span
style='font-size:12.0pt;color:navy;mso-no-proof:yes'>Dean May<span
style='mso-spacerun:yes'> &nbs=
p;
</span>cell 812.239.3359<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=3 color=navy face="Times New =
Roman"><span
style='font-size:12.0pt;color:navy;mso-no-proof:yes'>PianoRebuilders.co=
m<span
style='mso-spacerun:yes'> =
</span>812.235.5272<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=3 color=navy face="Times New =
Roman"><span
style='font-size:12.0pt;color:navy;mso-no-proof:yes'>Terre Haute =
IN<span
style='mso-spacerun:yes'> =
</span>47802<o:p></o:p></span></font></p>
</div>
<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> =
pianotech-bounces@ptg.org
[mailto:pianotech-bounces@ptg.org] <b><span =
style='font-weight:bold'>On Behalf
Of </span></b>Erwinspiano@aol.com<br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, December =
08, 2005
6:41 PM<br>
<b><span style='font-weight:bold'>To:</span></b> pianotech@ptg.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Petrof =
Quality</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 =
color=black
face=Arial><span =
style='font-size:10.0pt;font-family:Arial;color:black'>
Listers<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
color=black
face=Arial><span =
style='font-size:10.0pt;font-family:Arial;color:black'>
After a recent encounter with a 10 year old 6 ft. Petrof ,my once fairly =
high
opinion of them has sunk. I generally have liked the sound of there =
bellies
& the workamnship looked good but I had the following =
experience.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
color=black
face=Arial><span =
style='font-size:10.0pt;font-family:Arial;color:black'>
The action although upon examination had a nicely done 5.3 overall =
action
ration the touch was extremely heavy high 60's down & below 20 up. =
The
problem is that the hammers were just way to heavy for example Note 16 =
was 10.5
grams. That's hammer wt. not strike =
weight.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
color=black
face=Arial><span =
style='font-size:10.0pt;font-family:Arial;color:black'>
So extrapolate those heavier than normal readings thru the rest of =
the scale.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
color=black
face=Arial><span =
style='font-size:10.0pt;font-family:Arial;color:black'>
Since the desired service was to make it play more like a Saturn than a
truck & no parts were being changed the original parts were =
used. The
remdey was to add one lead to a sparsely leaded keyboard =
& then
adjust the wippen springs. Even at that the average down up weight was =
around
56 to 22 up which is a 39 balance weight.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
color=black
face=Arial><span =
style='font-size:10.0pt;font-family:Arial;color:black'> I
believe the real solution was a lighter set of hammers & =
subsequent
even leading applied with springs detached to some higher than normal =
nominal
number down/up numbers & then re -tweaking the springs. for a light =
bit of
wippen weight removal from the system.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 =
color=black
face=Arial><span =
style='font-size:10.0pt;font-family:Arial;color:black'>
This to me was a prime example of a nicely done leverage set up that was =
doomed
from the git go due to extreme hammer weights It seems all =
grand
piano actions fall within certain reasonable & typical leverages =
that when
exceeded are problematic until rectified by appropriate counter =
measures.<o:p></o:p></span></font></p>
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