Quote:
Originally Posted by maxnz
So, we had a little parade through the school this morning where we ran the robot, and the robot seemed fine. The stuttered movement never happened, so we think that that was due to the low battery.
As for the gearbox, it still had the weird sound like there was sand or something in the gearbox. The other gearbox sounded similar this morning. It ran fine, but we don't know what the sound is from.
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You said this was a TB Mini, correct? Back out the screws holding the plastic cover in place about 1/4 turn each. Run the robot and see if that changes anything. If not back them out another 1/4 turn. I ran into a situation this year with a brand new mini that if I over tightened the case the transmission would make noise. I think something is at a very low clearance and that the plastic cover changes shape if overtightened causing it to come in contact with one of the gears. Any chance your mini is 12.75:1?