Quote:
Originally Posted by lemiant
To everyone who thinks you can cross the bump unaided (that video shows what lifting the robot before the wheels hit can do) with 6" wheel, I'm fairly sure that is wrong. The center of your wheel is 3" off the ground and as such you would ram flat into the metal. MY guess is that you'd break the wheels or send your robot hurtling head over heels before it would go over the bump. Even a 8" wheel would be sketchy, because it is level with the top of the metal. To be certain you would need 10" wheels.
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Alex,
If you actually do the math and check your geometry, you will come to the conclusion that a 8wd 6" wheel will definitely clear the 4" "Bump". Also there are a lot of ways with 4"-6" wheels you can clear it. 10" wheels would be a bit overkill.
-RC