Simple G Scale Points Motor

by dagnall53 May 25, 2015
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What servo motors do you suggest for this? Maker & model # or URL please. Also, which MakerBot that's still available suggested. Even refurbished Replicator Mini's go for $600 (how many off-the-shelf motors can I buy for that?).

I have some waterproof servos. I am looking for a bracket and operating arm.... The tricky bits. The box or cover can be fabricated easily and doesn't need to be waterproof.

Is the servo significantly different size from the ones I used?
I put the design files on thingyverse so you can adapt the design with the rack and pinion drive to the operating arm for other servos.
I'm not sure you need waterproof servos. Mine have been in the garden for a year or so, and the only important thing is to ensure that they do not sit in a pool of water. There is a small hole at the bottom of the housing to let out any water that gets in.