All Questions
Tagged with fuel-depots hydrogen
3 questions
20
votes
5
answers
2k
views
Is atmospheric skimming for propellant feasible?
A recent comment in a discussion of satellite refueling mentioned the
possiblity of a spacecraft dipping into the atmosphere from LEO to
obtain oxygen. Similarly, the science fiction RPG Traveller ...
- 172k
3
votes
1
answer
199
views
Would a low pressure container lower hydrogen leakage in space?
Hydrogen, for rocket fuel, tends to leak even through metal containers. Launchers carry hydrogen cooled to liquid in order to save storage space for aerodynamical reasons, but that is unnecessary in ...
- 27k
7
votes
1
answer
3k
views
How much does a hydrogen tank weigh compared to the hydrogen in it?
For the kinds of tanks used in upper stages, what is the ratio of the weight of the tank to the weight of the hydrogen? Are larger tanks more efficient?
This is for considering transport of hydrogen ...
- 21.5k