[MrJohnston]

With good traction tires on a tanks system, there is very little slippage, allowing you to program precise numbers of rotations, etc.... I am not a programmer, so I really can't give much detail. I do know that as we were discussing the pros and cons of different drive systems, that our programmers were very clear that they could have more precise autonomous routines with the tank system. In the past, I've seen them consistently get our robots to autonomous go to an exact location (within an inch, or two) repeatedly.

Perhaps we simply aren't experienced enough in mecanum - Okay, I know we aren't. However, I think very highly of our programming team - both students and mentors - and tend to trust them when they say, "We can program much more precise movement with this drive than with that."