Quote:
Originally Posted by EricH
On the moment of contact, the front wheels hit with the axle at the top level of the bump. They won't roll up and over without help--their force at that point will be entirely vertical once they leave the ground, but without something to push them horizontally, they'll fall back down. The back wheels are what provide the horizontal force to get the wheel up on top of the bump.
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I think what Chris is saying is that the axle would not hit the bump. Many other parts would hit the bump, and your argument is well founded but the axle itself will not hit, as it is within the perimeter of the mecanum wheel. Assuming of course that a) this is a *standard* mecanum setup b) the robot is attempting to drive straight on to the bump.