JustJoe Posted December 12, 2022 Share Posted December 12, 2022 Would a helium filled rocket ''top section'' help the rocket to vertically land ? Link to comment Share on other sites More sharing options...
Bufofrog Posted December 12, 2022 Share Posted December 12, 2022 No. If the top section weighs 3,300 kg with air inside, then replacing the air with helium would mean the top section would now weight about 3,300 kg. Link to comment Share on other sites More sharing options...
Sensei Posted December 12, 2022 Share Posted December 12, 2022 You would have to have liquid helium containers and balloons that are popped from the top and filled with gaseous helium (after it's heated) for this to make any sense. Link to comment Share on other sites More sharing options...
swansont Posted December 12, 2022 Share Posted December 12, 2022 The buoyancy of helium as compared to air at 1 atm is about a gram per liter. So 1000 liters will lift a kg. Link to comment Share on other sites More sharing options...
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