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470.98 cubic feet is about one-one-hundred-fiftieth as as a Hot Air Balloon.
In other words, the of a Hot Air Balloon is 160 times that amount.
(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 78,000 cubic feet. Typically made of nylon or dacron, a balloon envelope of this size typically weighs just 88 kg (190 lbs).
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