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Unread 20-01-2012, 22:20
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EricH EricH is offline
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FRC #1197 (Torbots)
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Re: Mechanum Wheels?

Quote:
Originally Posted by the man View Post
I dont get it. As long as your not going mock 5, ok ok at fast speed in terms of robotics competitions, the back wheels will continue to push as you some what gently push your self over the bump. But we will test this tomorrow.
When you hit the bump with an 8" wheel, that wheel's entire force on the bump is vertical until you get some lift off the ground on that end. So your back wheels have to work twice as hard.

An easy way to deal with this is to put an angle leading down below your axle from the edge of the frame; this allows the front wheels to get some horizontal tractive force in addition to the vertical, which allows them to help the back wheels out a bit. Do that on both sides of all four wheels, and it'll help you out a lot.
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