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<font face="Arial">Dean, that was a considerable degree of technical
expertise, and work, invested in a Wurlitzer console! I hope it
was financially worthwhile. If it was, why would the owner spend
the money on the Wurlitzer console instead of a new piano?!<br>
<br>
Best regards,<br>
<br>
David.<br>
<a class="moz-txt-link-abbreviated" href="http://www.davidboyce.co.uk">www.davidboyce.co.uk</a><br>
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<blockquote type="cite"><br>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial">Subject was 30 year old Wurly console.
Complaint was intermittent
sluggish keys. <o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial"><o:p> </o:p>This was a multiple problem
child. The presenting problem
was jacks not resetting. It had the nasty felt for the
knuckles and backchecks
which contributed to excess friction on the jack. Then
downweight was in the
low 40 gr range and upweight was less than 20. I find that
that kind of low
upweight causes problems. It just isn’t enough to get
things reset. <o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial"><o:p> </o:p></span></font><font
face="Arial" size="2"><span style="font-size: 10pt;
font-family: Arial;">I changed out knuckles and backchecks
to Ecsaine to improve
friction. Then I added about a 10 gram weight into the
back of the key and
about a 4 gram fishing line weight to the bridle strap
wire. I also reduced
hammer spring tension slightly and damper spring tension
until I was measuring
around 25g at damper head. Reducing these spring tensions
helped keep
downweight from going up too much by adding the key/wippen
weights. The results
were down weights around 50g and upweights in the mid to
upper 20g.
<blockquote type="cite">
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial">I added a drop of thick CA
after crimping the weight just
for a little insurance. <o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial"><o:p> </o:p></span></font></p>
<font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial">The improvement was huge. A very
responsive action. This is
the first one that I’ve done adding the keyweights
and wippen weights.</span></font></blockquote>
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