[EricH]

Originally Posted by lorem3k

It would be pretty interesting to do a field with a non-uniform surface like sand or gravel...

I'd say no comment... but to say "interesting" is a massive understatment.

Trust me on this--my senior design project is competing on regolith simulant at the end of the month. And I don't mean the FRP from 2009, I mean BP-1 lunar regolith simulant.

For motion, wheels with paddles attached. We've used treads in the past.