h a l f b a k e r yMy hatstand runneth over
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[+] picturing a Ferris-wheel contraption to get maximum pressure differential. |
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It was always a yellow submarine like vessel. |
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If such a vehicle were operated at such a depth that the balloons reached the surface, they could be used like a bucket brigade to bring fresh air down to the vehicle in a very energy efficient way, by using the buoyancy of the expanding, ascending, stale air balloons to counteract that of the contracting, descending, fresh air ones. |
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An arrangement would be needed to empty and refill the balloons, at both the top and the bottom of the cycle, but it would operate across a very small pressure gradient and so require little energy. |
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Essentially, that was [FlyingToaster]'s suggestion under Self Pumping Snorkel. I've not included this in the main idea, as it puts just as much complexity back in! |
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complexity added in (posted). |
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Perfect. That was your idea, after all. |
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Mine's a Hullaballoon in form rather than function. In order to combine the two into your idea, you'd be limiting yourself to a depth where the balloons actually breach the surface. |
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Quite. Hence they are separate but complementary ideas. |
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