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<p class=MsoNormal>To the List (particularly readers on the other side of the
pond)<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I’m regulating a 6’ 6” Pleyel grand
(serial no. 72F691). I’m guessing it’s 90 to 100 years
old. I haven’t seen that many Pleyels, and this is the first one I
have regulated. And there are some differences from standard fare, at
least on this one. I don’t have a digital camera, so you’ll
have to bear with my descriptions. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>It is a double escapement action, but having both let off
and hammer drop adjustments. (the drop screw mechanism is in the shape of a T,
and is adjusted from the underside of the shank rather than above. There
are let off dowels, but they are adjusted through round holes through the top
of the hammer rail. Of course, this means you cannot adjust let off in
the piano but rather must be done on the bench. (the pinblock is in the
way!) There are no separate hammer flanges, but rather a brass rail for
each section, with a single center pin running through all the shank action
centers. Rather than a rounded knuckle as we normally see in modern
grands, the “knuckle” profile resembles an upright butt, with a
rest felt beneath a somewhat rounded off leather profile from which the jack
escapes. A rounded upright shank exits this butt and the hammer is glued
to it. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>The whippens look different too. The whippen flanges screw
to the whippen rail from below. This rail is quite thick and is covered
with felt on top, and doubles as the hammer rest rail. The jack looks
fairly conventional, except there is no fore – aft adjusting button but
there is the adjustment for the height of the jack in the rep top lever
window. That window is what I would call a half window, in that there is
no back side to it, with the butt leather resting on the front portion. The
repetition spring is a tapered coil that goes into a round slot on the back
side of the jack, and is adjusted from above with a regulating screw. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>The question I would be asking of those of you who may have
some experience with these actions would be what kind of idiosyncracies should
I be looking for in adjusting this action? I don’t have any specs
to work from. What kind of blow distance would be suggested? Same for
hammer drop, as well as other regulation points. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I do have some concerns about repetition. I leveled
the keys today and set the let off. I did test regulate a few notes and I
did notice that I was having some problems with cheating jacks upon a slow
release of the key. When the jack escapes, it rises rather steeply away
from the butt leather. Unless I make the rep spring very strong, the jack
will hang up and not return under the profile. The height of the jack in
the window did not seem to affect this much. I am guessing that this
would be an action where a shallower aftertouch would be desirable.
(Although that will have to be moderated by the fact that it’s summer and
the lake is 20 feet away. If I set too shallow an aftertouch now, by
January it won’t cycle through let off, I can guarantee you that). <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>What kinds of regulating values are going to allow this
style of action to perform optimally?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>For those of you who reply, thank you in advance. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Will Truitt<o:p></o:p></p>
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