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Originally posted by Adam Y.
They are resilient just make sure you are:
A) Really careful in modifying them
B)Make sure those tires do not become damaged.
Once the tires become damaged they are really just shot. The rubber on those things disintegrates fairly easily.
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For this reason, I'm also trying to make replacing the wheels a simple process. In fact, as I have it, you can replace the entire wheel/key/axle/sprocket assembly with a new one.
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Actually the first season I was in the robot rolled off the table. The only thing that was wrong with the frame afterwards was that the wheels were off a bit but that was due to our innept drilling skills more than dropping it off a table. Plus I am pretty sure reading about using a torsion wrench to tighten the nuts which I am fairly certain that not a lot of teams do.
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Well, in addition to the fasteners sliding around, another problem is pulling them straight out of their slots by tension. Overtightening them risks making this happen more frequently.