[EricH]

Originally Posted by RogerR

actually, in a four wheel omni-drive, if you paired the wheels across from each other together and attached them to a motor, you'd be able to translate freely. unfortunately, this'd mean you would be unable to rotate. i believe you could achieve similar results by pairing the the diagonal wheels on a mecanum drive train together.

Now that I think about it, yes you could, in theory. Again, you could not turn the robot. Also, it might be a bit difficult to link a wheel on the left front corner with the one on the right back corner...