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But for an expendible aircraft you don't need it to be buoyant on the way down. Just have a failsafe that dumps the hydrogen into the atmosphere below a certain
by kcolford 7y ago
But for an expendible aircraft you don't need it to be buoyant on the way down. Just have a failsafe that dumps the hydrogen into the atmosphere below a certain altitude/air pressure.
- TimTheTinker 7y agoThat’s true. But there have to be applicable regulations around dropping expendable aircraft remains over populated areas.