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MMD > Archives > July 2002 > 2002.07.10 > 11Prev  Next

Ampico Sustain Pedal Compensating Pneumatics
By Craig Brougher

Re "Enigmatic Pneumatics On Some Ampico A Actions"

The strange little 1" square pneumatics which D.L. Bullock refers
to on a few of his Ampico spring pneumatic mechanisms is a loud pedal
compensator.  They try to oppose the spring pneumatic, equivalent to a
bellows that measured about 1/2" square.  That's why they are attached
about in the middle of the spring pneumatic.  They are paralleled and
teed into the pedal valve output.

Craig Brougher

(Message sent Wed 10 Jul 2002, 15:24:49 GMT, from time zone GMT-0700.)

Key Words in Subject:  Ampico, Compensating, Pedal, Pneumatics, Sustain

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