Traction is good.
I would recommend to teams that they re-think if they use plain skyway wheels or those giant black rubber wheels skyway sell.
Those wheels do not have enough traction compare to other material. You wheels will be slipping before you can push your opponents any harder, so you won't be able to take advantage of whatever gearing you have on the drive motors.
Go ahead and take teams' advices. Buy some belt material and put them around your skyway wheels. If you are worry about putting flat belts on the curved surface of the wheel, get a belt sander, hold the wheel on a hand drill, and sand it flat. Glue the belts on the wheel, and screw them it.
You can try out your drive train at the first practice round, put on better wheels, and try that out in the second round. See how much stronger you can push.
As most of you have seen, pushing is an important factor in this year's competition. There will be some matches where you can only win by pushing the other robot away, and that you will need traction. (Well, you will need a good amount of torque and momentum, but the plain skyway wheels are probably the ones to fail first, before stalling motors or whatever...)
Mean while, I am curious. How many teams lift up goals to gain more traction? Did they ended up having more pushing force because of that? Were teams not lifting up goals able to push away teams who did?
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