Its and idea that would probably work better in the future, Say when lightweight carbon composite bags are commercial viable, that way less weight and space taken up, The chemical reaction part we could probably manage today, say like a large car airbag for example.
Airplanes usually smash to piece's when they try to land on water but again, Fuselages are only going to get stronger in the future so who know... Just want to add, the airplanes that dont break up on impact tend to float anyway, because of the pressurized cabin, but it's rare for them to survive impact.
Its and idea that would probably work better in the future, Say when lightweight carbon composite bags are commercial viable, that way less weight and space taken up, The chemical reaction part we could probably manage today, say like a large car airbag for example.
Airplanes usually smash to piece's when they try to land on water but again, Fuselages are only going to get stronger in the future so who know...
Just want to add, the airplanes that dont break up on impact tend to float anyway, because of the pressurized cabin, but it's rare for them to survive impact.
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