2016-11-08 (Tu) Clockwork Theremin

Three gears were printed to replace the gear from yesterday which was too large to fit inside the internal ring gear. This was due to misalignment while mounting. It would have been possible to remount the motor. It would also have been possible to drill out the mending braces to allow more leeway. Printing new gears meant that no more holes had to be drilled in the board and it also increased the torque.

Newly printed and drilled gears

Gears were printed with 9, 10, and 11 teeth. Yesterday's gear was printed with 12 teeth so these smaller versions were all experimental. The 9 tooth gear fit the best but the rest were kept and can hopefully be used for the next internal ring gear. A short video, eight seconds, was shot to show the small gear spinning with 12VDC power.

Eight-second video demonstrating the motorized gear

Parts list:

The rest of the posts for this project have been arranged by date.

First time here?

Completed projects from year 1.

Completed projects from year 2.

Completed projects from year 3.

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2016-11-08 (Tu)