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> a conventional single-main-rotor helicopter that weighed 13.3 kg (29.3 pounds) and hauled 51 kg (112.4 pounds)

I think this was the sweet spot for now and we'll need to wait for anything that maintains that ratio at double the carrying capacity.



What's the problem with connecting two devices together?


The splodge on the ground when one of them fails is generally the downside.


Same is true for 1


Can this stuff autorotate? You could also take emergency parachute with you (~5kg), would require flying at least at 500ft or something to be able to deploy it




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