i apologise if this is the wrong place for this type of thing but i couldn't find a forum really applicable to it.. absolute insanity:sunny: https://www.youtube.com/watch?feature=player_detailpage&v=luOES6BJH08
Looks potentially very painful. It's cool, but if I had all that time/money/mechanical know-how, I'd worry more about making things fly than go on the ground, unless my car is the thing in question. Car=fast on the ground, FLYING go-kart=fast in the air.