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Question by  ousideinsider (32)

How do you build a hot air balloon?

I want to make my own.

 
+6

Answer by  Meat (169)

I would suggest doing more research on the subject, but the basic idea behind a hot air balloon is that a large "balloon" catches hot air from a heat source, which makes the interior weigh less than the surrounding cool air, causing lift.

 
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