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60t must be fitting inside because I am using it (with other one being 12t, so the timing belt reduction is 5:1). (I will double check, but I am 100% sure it is 5:1)
Planetary gears with small backlash are expensive. And they will always have some introduced periodic error ("noise").
The one you are looking at is US$41..
Last edited by bojan; 10-05-2019 at 02:41 PM.
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