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0 answers
10 views

What space applications could fast (dis)charging batteries have?

8 votes
1 answer
315 views

Silane as a rocket fuel

6 votes
3 answers
2k views

What is the theoretical max specific impulse of rotating detonation engines in space flight?

2 votes
1 answer
153 views

How were inflatable fuel tanks for NASA supposed to work?

8 votes
1 answer
3k views

Propellant mass calculation

0 votes
0 answers
40 views

What is a bimodal or multimodal space rocket engine? Especially a nuclear-powered one?

4 votes
2 answers
2k views

How to account for burned fuel mass when calculating spacecraft acceleration?

1 vote
2 answers
98 views

Calculating propellant mass from total impulse

0 votes
1 answer
57 views

Thrust & acceleration produced by a rocket engine

1 vote
1 answer
138 views

Has there ever been a fully-reusable big-dumb-booster design proposed?

1 vote
1 answer
182 views

What is the simplest rocket design that can reach orbit

2 votes
1 answer
142 views

Can propellant tanks in a pressure-feed rocket be pressurized by burning the propellant inside those same tanks? Recipe for Ka-BOOM?

3 votes
1 answer
132 views

electric depositing on rocket engine

7 votes
4 answers
2k views

What are the advantages and disadvantages of using either liquid hydrogen or liquid methane based rocket fuels?

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