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Re: Gear boxes
Mr Forbes is correct you need to be A LOT more specific if you want real help.
What gear boxes did you blow? Was it while going over an obstacle? Perhaps the fix isn't in the gearing, but in damping or counter-weighting the arm?
What is your packaging constraint? Can a wider but shorter gearbox using spur gears fix your issue? Are you already using a chain and sprocket? I assume this because otherwise a 5 ft arm with only 100:1 reduction would be way too fast to control. You should really be gearing for a target speed. Could you consider a different motor with a slower free speed such as a miniCIM?
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Mike Schreiber
Kettering University ('09-'13) University of Michigan ('14-'18?)
FLL ('01-'02), FRC Team 27 ('06-'09), Team 397 ('10), Team 3450/314 ('11), Team 67 ('14-'??)
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