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Unread 06-01-2016, 16:33
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Re: pic: Single Stage Ballshifter

Quote:
Originally Posted by s_forbes View Post
One thing that I would double check with this kind of design is that the motors are spaced around the shifting shaft in a way that prevents the pinions from over constraining the shifting gears and binding. With the shifting gears being 54 and 60 teeth (both divisible by 3) I don't think there would be an issue with the motors being spaced evenly around the gearbox, but it doesn't look from the render like they are spaced that way.
You make a good point about over constraining things. It's not so much the location of the motors in the gearbox, but the angular alignment of the 11T and 18T gears on all of the motors have to be the same. This is probably not easy to do...
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