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Early_To_Risa@sh.itjust.works

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Anon invents a new way to travel (sh.itjust.works)

submitted 9 months ago by Early_To_Risa@sh.itjust.works to c/greentext@sh.itjust.works

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[–] MrJameGumb@lemmy.world 5 points 9 months ago (2 children)

I think he'd run out of oxygen that high up wouldn't he? Or it would get too cold for the balloon to stay inflated if he didn't freeze to death first? Also, is a hot air balloon even capable of lifting a 500lb man-child that high? Would there even be room for his mobility scooter, his snacks and his high performance gaming PC?

[–] FlexibleToast@lemmy.world 4 points 9 months ago

The density of the air becomes so thin that I don't think you could have a container for enough hot air that wouldn't weigh more than the lift provided. Helium weather balloons end up getting so large because of the pressure difference that they end up bursting at those altitudes.

[–] Ilovethebomb@lemm.ee 1 points 9 months ago

The lift of the balloon depends on on the temperature difference and the air inside the envelope, and the air outside, and that part would actually work.

As far as oxygen goes, you'd need to have a pressurised capsule suspended under the balloon, which has been done before.