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Inspired by [django] and his congo river-fridge.
It's late and I'm sleep deprived, which means only one thing: post an idea on the HB with one eye (half) open.
Take one large-enough blimp, add tether designed to carry refrigerant in a continuous loop within its insulated cable, bolt some renewable
power to the blimp to run a small pump (like wind gen or solar), top off with heat exchangers at either end of the tether.
Launch blimp to a height where things are chilly (and it can support the weight of the tether). Start.
If all goes ok, refrigerant should vapourize when passed through ground-HX, the rush up the tether as a gas where it would be rapidly cooled in the blimp-HX, change phase back into a liquid then run down the tether back to the ground-HX.
People on ground now have a place to put their heat.
Stirling blimp
Stirling_20High_20Altitude_20Blimp
Shameless blimp-promotion [django, May 07 2008]
[link]
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It would have to go pretty high, but it's a good solution. |
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Interesting concept. The very low temperatures at high altitude can even power a blimp based on a solar dish-coupled stirling engine [see link - but please consult the picture]. |
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Alternatively you can store fruits and vegetables in the blimp and bring it down each time you need a banana. |
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Or train a monkey to climb up and get the banana for you. |
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They will be too busy typing, methinks. |
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