Project's in need of a re-boot.
I'll drop any pretensions of flying people around in a phone-box for the time being in favour of reducing the drones it would use at either end to the very minimum... and wearing one.
A significant reduction in the size of that central part which fits around the pilot will serve a dual purpose, in reducing weight whilst allowing for larger diameter rotors.
As ever, I mock this up on the floor in timber.
Plus for those who believe it's either (a) impossible or (b) a wind-up, I want it to look more absurd than ever.
It was Andy Warhol who said that if people hate what you're doing, you're on the right track.