User Jake Blocker

42 votes

1 answer

7k views

Do booster stages run out of fuel, or are they purposefully shut off?

asked May 30, 2017 at 0:50

31 votes

3 answers

7k views

Why cool engines with fuel as opposed to oxidizer?

asked May 4, 2017 at 3:02

25 votes

1 answer

4k views

Where is the TEA-TEB stored for the Merlin engines onboard Falcon 9?

asked Mar 26, 2017 at 19:37

25 votes

1 answer

6k views

Does anyone who works at SpaceX know the paths of classified payloads?

asked Sep 11, 2017 at 22:19

22 votes

3 answers

4k views

Why did the grid fin of the CRS-8/SES 10 booster burn?

asked Mar 31, 2017 at 5:51

20 votes

2 answers

6k views

Why won't SpaceX launch a rocket for a month?

asked Jul 18, 2017 at 17:44

19 votes

2 answers

4k views

More efficient SpaceX landings?

asked Mar 8, 2017 at 16:25

16 votes

1 answer

4k views

What are the Grid fins on the Soyuz escape system used for?

asked Jul 26, 2017 at 23:32

15 votes

1 answer

1k views

Why are launch escape towers jettisoned early?

asked Jul 31, 2017 at 20:19

11 votes

2 answers

2k views

Are there any major flaws with the Mars Architecture used in the Martian?

asked Aug 8, 2017 at 16:04

11 votes

1 answer

417 views

Could Dragon 1.0 be used as an emergency Earth return vehicle

asked Jun 1, 2017 at 20:38

9 votes

3 answers

2k views

Is ISP all there is to engine efficiency?

asked May 28, 2017 at 4:31

8 votes

1 answer

4k views

What is the ring at the bottom of the Merlin vacuum engine?

asked Mar 18, 2017 at 4:16

8 votes

1 answer

449 views

TR-106 under-expansion in sea-level test?

asked Jul 20, 2017 at 5:31

7 votes

2 answers

757 views

What will the Falcon Heavy maiden flight launch as its payload?

asked Aug 5, 2017 at 3:18

7 votes

1 answer

2k views

What were the Curiosity sky-crane’s descent engines?

asked Nov 1, 2017 at 18:27

7 votes

2 answers

1k views

Does SpaceX plan to repair SLC-40?

asked Feb 23, 2017 at 16:25

7 votes

1 answer

2k views

How can Bielliptic transfers be more efficient than Hohmann transfers?

asked Jul 7, 2017 at 20:53

6 votes

1 answer

2k views

Why are some rockets orange?

asked May 8, 2017 at 20:18

6 votes

2 answers

818 views

Why is OA-7 launching atop an Atlas V?

asked Mar 9, 2017 at 20:59

6 votes

1 answer

2k views

How does tank pressurization work?

asked Mar 15, 2017 at 1:40

5 votes

1 answer

431 views

Do Falcon 9 preflight static fire ignitions use up the engines' ignitors?

asked Oct 23, 2017 at 2:27

4 votes

1 answer

378 views

Why haven’t upper stages used the RL-60 engine?

asked Feb 12, 2018 at 3:39

3 votes

1 answer

234 views

Is a soot covered flight proven Falcon 9 lighter or heavier than a new falcon 9?

asked Mar 30, 2018 at 17:56

3 votes

1 answer

161 views

Rocket engine power vs. Sound

asked Jun 9, 2018 at 20:49

3 votes

1 answer

279 views

What's the purpose of a manned flyby/orbit of Mars/Venus?

asked Aug 7, 2017 at 20:10

3 votes

2 answers

608 views

How did the Apollo Moon rocks get away from NASA and into the public?

asked Aug 8, 2017 at 3:00

3 votes

2 answers

433 views

SpaceX NROL-76?

asked Apr 5, 2017 at 18:25

2 votes

1 answer

635 views

What are the differences between the SpaceX Merlin 1D and 1D+ engines?

asked Feb 9, 2017 at 17:33

2 votes

1 answer

560 views

KNO3 as reverse hybrid oxidizer?

asked Jul 9, 2017 at 23:41

Stack Exchange Network

35 Questions

Do booster stages run out of fuel, or are they purposefully shut off?

Why cool engines with fuel as opposed to oxidizer?

Where is the TEA-TEB stored for the Merlin engines onboard Falcon 9?

Does anyone who works at SpaceX know the paths of classified payloads?

Why did the grid fin of the CRS-8/SES 10 booster burn?

Why won't SpaceX launch a rocket for a month?

More efficient SpaceX landings?

What are the Grid fins on the Soyuz escape system used for?

Why are launch escape towers jettisoned early?

Are there any major flaws with the Mars Architecture used in the Martian?

Could Dragon 1.0 be used as an emergency Earth return vehicle

Is ISP all there is to engine efficiency?

What is the ring at the bottom of the Merlin vacuum engine?

TR-106 under-expansion in sea-level test?

What will the Falcon Heavy maiden flight launch as its payload?

What were the Curiosity sky-crane’s descent engines?

Does SpaceX plan to repair SLC-40?

How can Bielliptic transfers be more efficient than Hohmann transfers?

Why are some rockets orange?

Why is OA-7 launching atop an Atlas V?

How does tank pressurization work?

Do Falcon 9 preflight static fire ignitions use up the engines' ignitors?

Why haven’t upper stages used the RL-60 engine?

Is a soot covered flight proven Falcon 9 lighter or heavier than a new falcon 9?

Rocket engine power vs. Sound

What's the purpose of a manned flyby/orbit of Mars/Venus?

How did the Apollo Moon rocks get away from NASA and into the public?

SpaceX NROL-76?

What are the differences between the SpaceX Merlin 1D and 1D+ engines?

KNO3 as reverse hybrid oxidizer?