Terrafugia Transition needs 1640 feet to lift off at 80 mph. According to one report.
Terrafugia claim 1700 feet to clear 50ft. Manufacturers data on tarmac/concrete not grass.
Stalls at 51 mph.
Ugly sucker and one blind grannie in a car lot could cost you so much money!
Have tried it on an X-Plane 9.55 simulator and it climbs like a brick outhouse. I think the Rotax will be operating at Max continuous for most of its life!