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MMD > Archives > May 2009 > 2009.05.10 > 04Prev  Next


Making Mechanical Musical Doorbell
By Ted Baumgart

I have a little project that will use two 10' tall organ pipes as a
'door chime' in C and C sharp.  I'd like to add a snare drum, cymbal,
chime, a few high pipe organ notes, a bird call, and small animated
bird.  (What else...?)

I have a squirrel cage and electric motor from a large forced air
furnace.  Separately I have an old player piano bellows system with
intact leather bellows and tubes.  I doubt the player piano system
will be used in this Rube Goldberg project, but can't say at this time.
I understand the issue is air volume with the pipes.  I probably will
build an air reservoir box.

I joined this group to glean for information that can help the project.
I've collected a few formulas for air flow, I'm looking for articles
and books that can help.  Suggestions are welcome.

Ted Baumgart
La Crescenta, California

 [ You'll hear a different song every time if the 'music' is created
 [ by an old pinball machine!  ;-)  -- Robbie



(Message sent Sun, 10 May 2009 08:40:12 -0700 , from time zone -0700.)

Key Words in Subject:  Doorbell, Making, Mechanical, Musical

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