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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.

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What's the problem with connecting two devices together?
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The splodge on the ground when one of them fails is generally the downside.
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Same is true for 1
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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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