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Re: Casters vs. Unpowered Omni wheels
Casters are a pain in the rear to work with (in my opinion). They swivel around, which can mess up autonomous for the robot. Also, if there are bumps in the field again (like 2010), casters are much more likely to break than a slick wheel from 2009 (which has the same effect as an unpowered omni). Overall, slick wheels are an easier and much more reliable solution.
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