Do be so sure....
Never, ever, underestimate what a massively big wing, with leading edge devices, can do for you in performance, until you have flown one....
Oh, and as you pointed out, this video was a VFR left hand circle back to 15. Quite different than attempting to circle east for a landing on 33, inside the valley...
Last edited by OD100; 7th Jan 2014 at 18:39.