sorry i was a little vague on that

. Anyway the wheel design is called the tri-star. It was originally patented in the U.S. as military vehicles. Well the same design appears on a vehicle in the movie called damnation island. I need to go edit my last post quickly sorry

. Try searching for "tri-star" wheel patent on yahoo. I think there are pictures and informationa about it at
hear Btw is it just because of all the gyroscopes that the segway can balance only on two wheels like that in the picture?? It's even been attempted on junkyard wars. It's very effective.