Aut cum scuto aut in scuto
It'll climb a tree!
If you are interested in what that is about, search "flying cowboys" on youtube. It is a loose group of flyers, many of whom make great videos about their adventures in backcountry flying.
I'll bet those tires take 30 knots off of his indicated airspeed. They look like full flaps at 90 degree angle. Right, lets take off with full flaps hanging down. Right.
I thought the innertube goes on the inside.