4

Seeing a picture of your progress would help tremendously. The way the question is worded, it sounds like you were wanting to drive the beveled gear directly from the servo to the rack at a 90 degree angle. This won't work for two reasons: 1. The majority of Lego racks are not beveled. 2. The rack moves fore and aft as it moves side-to-side, which would ...


2

There is a bit of confusion in your question with the part numbers and their location on the diagram. That is, you seem to have them reversed. Unfortunately I did not have a rechargeable version of the "AAA" battery box to test and prove the concept, but I was fairly certain it would work based on what I know about these battery boxes. Having a 7-speed ...


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