Yeah, that's true. We just stuck with 4 wheel because it gave us a bit more traction, and we didn't have to deal with casters and the whatnot. 2 wheel bots can be built right out of the kit using the drill transmissions, I think there's some pics of it here:
http://www2.usfirst.org/2003comp/drive_train-exp.jpg
http://www2.usfirst.org/2003comp/drive_train-expII.jpg
That shows 1/2 of the drive
and a ZIP of my renders is up here:
http://www.chiefdelphi.com/forums/pa...le&paperid=247
Anyway, cheers!
__________________
-=Sachiel7=-

There's no such thing as being too simple!
Look for Team #1132, RAPTAR Robotics at the VCU Regional this year!