Is 9,800,000 gallons as big as a Hot Air Balloon?
It's about seventeen times as big as a Hot Air Balloon
The size of a Hot Air Balloon is about 580,000 gallons.
(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 580,000 gallons. Typically made of nylon or dacron, a balloon envelope of this size typically weighs just 88 kg (190 lbs).
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