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Rajath Pai's user avatar
Rajath Pai's user avatar
Rajath Pai's user avatar
Rajath Pai
  • Member for 6 years, 4 months
  • Last seen more than a month ago
8 votes
1 answer
491 views

How many SSTO projects have ever existed with realistic goals and reliable designs?

7 votes
1 answer
1k views

Which rockets have their upper stages separating at(around) 100 km?

5 votes
1 answer
348 views

Are Kickstages exclusive to Rocketlabs Electron Design?

5 votes
1 answer
620 views

How do pressure fed and pump fed systems compare at different scale of rockets

5 votes
1 answer
586 views

What are some of the important parameters to scaling a liquid rocket engine

4 votes
1 answer
193 views

How many hydrolox engines had a methane variant?

4 votes
0 answers
60 views

How does the centre of mass of a spacecraft vary in a trajectory?

4 votes
2 answers
652 views

Is the Standard Model of Atmosphere the same as NRLMSISE-00?

4 votes
2 answers
617 views

Have there been any orbital access provided by hybrid rockets?

4 votes
0 answers
76 views

How much higher is the wave drag for a spaceplane compared to its induced drag

4 votes
2 answers
701 views

Is the Pulse detonation engine feasible

3 votes
1 answer
195 views

Can a first stage be a booster?

3 votes
2 answers
163 views

How many companies are working on creating viable spaceplanes in the near future for human spaceflight(10-20 years)

3 votes
1 answer
250 views

What kind of methane-fueled rocket engines exist?

2 votes
1 answer
153 views

What are/have been some dedicated launchers for the 100-1000 kg to LEO(sub 1000 km)payload market?

2 votes
2 answers
144 views

Is the RD0146 an open or closed cycle engine?

2 votes
1 answer
191 views

Is it possible for one to adapt engine data for different fuels wrt liquid rocket engines

2 votes
3 answers
154 views

What is the exit diameter of the LE-5B liquid hydrogen Engine used in H-II

2 votes
0 answers
67 views

Are there any staged combustion cycle rocket engines under 1000 kN? Is it easier to produce larger engines with this type of engine cycle?

2 votes
2 answers
240 views

What kind of Visual Sensors are employed aboard Rockets?

2 votes
2 answers
360 views

G - forces imparted by launchers

1 vote
0 answers
102 views

Have there been any correlations between rocket size and the delta V it achieves

1 vote
0 answers
162 views

Would a Hohmann transfer within LEO be useful?

1 vote
1 answer
190 views

What differences exist between the pressurants and their associated systems between a pressure fed and pump fed liquid rocket engine

1 vote
2 answers
457 views

Whats the difference between cryogenic and cryo storable rocket engines

1 vote
1 answer
195 views

Why would the ideal mass flow rate be less than that of real life?

1 vote
0 answers
172 views

What is the surface area of Falcon 9 payload fairing?

1 vote
1 answer
139 views

What parameters drive the development effort and cost of a liquid rocket engine for orbital launchers(LEO - GEO)?

1 vote
1 answer
119 views

What impacts do the rocket engine cycles have on the sizing of the components and effectively the engine?

0 votes
1 answer
89 views

Is it possible to change to different orbit inclinations with a simple push?