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MMD > Archives > July 2010 > 2010.07.12 > 06Prev  Next

Player Piano Rewinds Too Fast
By John A. Tuttle

According to Craig Brougher, the easiest way to reduce the speed of
rewind in the Ampico A is to remove the wooden rewind valve cover plate
and place a cardboard or leather punching between the cloth and plate.
Then screw the plate back on, forcing the fiber disk under the cloth
down some 0.030"-0.045".  This reduces the travel of the rewind valve,
which reduces the speed of rewind.  I have pictures of what the
governor looks like inside, so you can see where the punching needs to
be placed.  See: 

My initial ideas for solving the problem were much more complicated
than Craig's, but then he has a lot more experience than I do with the
Ampico system.

John A. Tuttle
Brick, NJ

(Message sent Mon 12 Jul 2010, 12:59:05 GMT, from time zone GMT-0400.)

Key Words in Subject:  Fast, Piano, Player, Rewinds, Too

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