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user28833
  • Member for 5 years, 1 month
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7 votes
1 answer
3k views

How does the chamber pressure affect the performance of a Rocket Engine?

6 votes
3 answers
303 views

Hypergolic Propellant Combination

5 votes
1 answer
506 views

What is the O/F mixture ratio and the ISP for the SuperDraco Engine by SpaceX?

5 votes
1 answer
647 views

What is a mixture ratio of propellant?

4 votes
1 answer
204 views

How to calculate the kilowatt hours (kW-h) needed for a solar-electric engine to produce a given delta-v?

3 votes
2 answers
340 views

Is presssuized gas absent in a turbopump-driven rocket engines?

3 votes
2 answers
150 views

Is there an upper stage main engine that is human ratable and may out perform the Common Extensible Cyrogenic Engine performance by Aerojet?

2 votes
1 answer
2k views

How would one calculate the Lunar liftoff thrust required for a spacecraft?

2 votes
1 answer
690 views

What are the limitations of monopropellant RCS thrusters in a re-useable spacecraft?

1 vote
1 answer
65 views

How do you read an Engine Throttling specification of 3-5:1 in percent thrust load?

1 vote
0 answers
64 views

Weld name and symbole notation [closed]