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[–] rhy [S] ago 

That's the beauty: It's all electric. The lifting gas is hydrogen: made onboard by electrolysis, with water collected by the craft itself. The entire top is a massive lightweight solar panel, and all of the systems are electrical. At the bottom of the craft will be a large hybrid battery/capacitor array, and also an onboard water storage tank for ballast/hydrogen production/drinking water/showering. Also on the bottom will be gray water and brown water tanks. Great question. Keep 'em coming!

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[–] grendelbiter 0 points 1 point (+1|-0) ago 

You'd still need to trade for replacement parts. Also sounds like a pretty expensive initial investment.

And where would you fly those things? I'd imagine that most countries would be upset about an invasion of their air space. Out in the ocean somewhere? What about storms?

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[–] rhy [S] 0 points 2 points (+2|-0) ago 

Great questions! Firstly, I think that after the initial prototyping we can mostly 3d print them and make them VERY cheap. Secondly, everywhere. Initially some countries may balk, but eventually they will be competing for the tourism dollars. Over the ocean will ALWAYS be a great option (lots of room / sunlight). Regarding storms: They can either land (in water or on land), or after a first few iterations, navigate into the upper atmosphere ABOVE the storms.