Correction for the size of a Hot Air Balloon
Thanks for your input! Let us know more about what's wrong in the form below.
How big is 4,900,000 cubic meters?
It's about 2,000 times as big as a Hot Air Balloon
The size of a Hot Air Balloon is about 2,200 cubic meters.
(four-person capacity; envelope volume; average)
The average volume of a hot air balloon sufficient to lift four adults is 2,200 cu. m. Typically made of nylon or dacron, a balloon envelope of this size typically weighs just 88 kg (190 lbs).