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Old May 15, 2012, 12:18 PM
Umi_Ryuzuki is offline
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PDX, OR
Joined Dec 2002
11,041 Posts
Since you are a student, perhaps the school has CNC or 3d printing machines on campus.
If you can draw your design using CAD, and 3d model it, the machines can then create the
custom parts you require. If it has to be 3d printed, you can have a wax casting made, and
then invest the wax part and have it cast in metal.

As far as self centering, the Arduino technology, and some stepper motors should allow
the system to actively manage the location of the motor and drive fin.
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