Comment on 'Windmill': China tests world’s first megawatt-level airship to capture high winds

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elucubra@sopuli.xyz ⁨6⁩ ⁨days⁩ ago

Oh, I understand that perfectly well. The question is: that thing is a tethered balloon. If they expect to have it float 10 Km up, it has to be tethered with a cable at least 10Km long, which should be able to withstand the forces created by wind resistance, plus its own weight, and be conductive, so some lightweight cable won’t cut it, metal will have to be involved, and not some lightweight signal cable, but hefty metal. Will that thing be buoyant enough to lift that cable?

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