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Loud Pedal Pneumatic Delay Compensation
By Andy Taylor

It is rare, indeed, to find a player piano in which the damper
lifting [loud pedal] pneumatic works perfectly.  Even if the
pneumatic works well, sloppy damper regulation (all too common) and
lost motion in the rods will have a very bad effect: usually slow
to lift, and quick to let off.  I've played with these all day to
get them right.

In my attempt to compensate for this, when I arrange a roll I always
advance the sustain perforation about three ticks from the "perfect"
time.  This seems to compensate somewhat, giving the pneumatic time
to lift, and is a quick and nasty fix.

I use sustain pedal mainly for a reverb effect, as I elongate the
perforations to sound natural without the sustain pedal operative.

Andy Taylor



(Message sent Tue, 18 Dec 2007 17:39:20 -0500 , from time zone -0500.)

Key Words in Subject:  Compensation, Delay, Loud, Pedal, Pneumatic