Mechanum Wheels?

[jvriezen]

Originally Posted by nitneylion452

Might it not be fair to assume (or at least hope) that the rollers on mecanum wheels or other deep crevices would catch the lip of the bump and then provide a stronger vertical component and thus be able to pick the robot up?

By virtue of mecanums having rollers, it would also be safe to assume that the roller will roll (gasp!) off the lip. Countered my own argument for mecanums, but not other wheels. Any opinions on that?

Our tests with 8" mecanums over the bump is that yes, the crevices between the rollers will catch the top of the bump and aid in lifting the front wheels up. The rear wheels keep the forward force so the rollers don't roll off. However, while we got over the bump (well not really, we got the front wheels over but it was last year's bot and it bottomed due to lack of clearance) I would not recommend relying on just 8" mecanums. It worked much better when we had some help to get the wheels higher up before they encountered the bump.