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The Center Wheel
I'm designing a 6-wheel drive train and I'm debating on whether or not to drop the center wheel. I know of several teams that drop the center wheel, but I also know of several teams that don't.
Dropping the center wheel can improve the maneuverability of a robot, and can also prevent "hopping" when the robot turns. However, in my opinion, it reduces the robot's stability footprint. Unless I'm convinced otherwise by this thread, I'd like to keep all 6 wheels on the ground.
I'd really like to hear from teams that don't do dropped wheel drive trains, particularly regarding how they prevent their robots from "hopping". Teams that immediately come to mind: 254, 233, 968, 25
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