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Re: pic: NanoShifter
As for an encoder:
-It could go on the other end of the wheel shaft
-You could use a code wheel on the wheel itself
-You could use a gear tooth sensor on one of the gears - This does not know post-shift speed
As for not all shifting:
-How would this issue be any different than that of using (2) Dewalt transmissions per side, except that pneumatic shifters are faster than servos?
-I think, using the highly reliable Andy Baker shifting transmission design, and properly protecting the pneumatic system from damage, you should be OK if you don't explicitly detect and handle the issue of one transmission not shifting.
Another issue I may have missed: How do you get everything into the box? It looks like it is impossible to assemble, specifically the shift shaft.
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