Quote:
Originally Posted by Lil' Lavery
One downside that hasn't been mentioned so far is weight. Adding two CIMs adds around 5 lb.s to your drivebase. Never forget the weight limit. That being said, it's some of the most productive and well placed weight on your robot. Keeping as much weight as possible down low is always a good option.
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5 lbs for the CIMs plus extra weight associated with the required speed controllers and wiring. Copper is heavy!
I too recommend 4 CIMs for all the reasons stated above.