*yawn*
The Tweel were originally intended for things like skid steer loaders. smile Comming Soon to a construction site near you.

The Michelin Proving Grounds aren't far from here. They have a car set up with those that does AMAZING lap times due to no sidewall shift. Cool facility, High Security fence all around. 3000 Acres dedicated to high speed hijinks smile They have lots of prototype cars there and pretty neat stuff.