[Not2B]

You'll want to work up a list of robot priorites.

Sounds like you don't have alot of machining and money... maybe keeping it simple is a top priority. Maybe simple is more important than freakishly manuverable. After all, a cool drive that doesn't work isn't as fun as a simple drive that runs every match.

There are lots of different ways to work up a decission process. Best bet would be to find one and use it - and stick with the answer even if it's not what YOU (or any one person) wants.

Example:
For our drive, we ranked it based on the following items, in order of importance (in other words, 1 is more important than 5)
1) SIMPLE
2) RELIABLE
3) Controlablity
4) Torque
5) Stablity

Speed, manuverable, ground clearance didn't make the top 5, but they were also important.

Crab, Holonomic, 2wd, 4wd, 6wd, tracked, halftrack, etc... were all ranked in each of the top 5... we had a tie between 4wd and 6wd... we voted, tied again, decussed, used facts and numbers, and selected our 4wd, mainly because we KNOW it's simple and reliable because we have done it before. And even though we want to upgrade to a 6wd, we think we should practice in the summer, something our budget hasn't allowed yet. (I wanted 6wd, but I lost, and I'm OK with that.)

Good luck!!!