Re: Navigating the Minefield
 

ground clearance > 1" combined with "skirts" of thin polycarb or zipties should mitigate the problem. (especially angled ones that allow the Frisbee to come out easy but not get in easy)

Re: Navigating the Minefield
 

Or a set of tilting wheelies, like this, to keep the CG low.

The spacing of the wheels is also important. We found that robots with 6" wheels spaced closely together also have trouble getting out of the discs because the inner disc edge will want to ride tangent to the inner side of the wheel, presenting a poor angle of attack with which to climb out.

Sorry if that didn't make any sense. You need to do some testing yourself. But my point is, the problem is more complex than just bigger wheels.

Big wheels also suck. :]

Re: Navigating the Minefield
 

I don't think it will be much of an issue. The majority of teams are going to most likely hit their shots, unless there is a team sitting by their feeder station and rocketing them all over.

I'm not saying it's a non-issue, but I think that most all teams will end up immune to it if they have a solid drive train to handle the discs.

Re: Navigating the Minefield
 

I think we are planning on putting covers down over the wheels with about 1/2 of ground clearance, and still letting our bumpers be high enough so we can drive over and collect frisbees. Seems simple enough, I dont see why it poses a huge problem- the frisbees glide around a good deal on the carpet.