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Jake Blocker
  • Member for 5 years, 6 months
  • Last seen more than 1 year ago
42 votes
1 answer
7k views

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

31 votes
3 answers
6k views

Why cool engines with fuel as opposed to oxidizer?

25 votes
1 answer
6k views

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

24 votes
1 answer
2k views

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

22 votes
3 answers
4k views

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

20 votes
2 answers
6k views

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

19 votes
2 answers
4k views

More efficient SpaceX landings?

15 votes
1 answer
4k views

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

15 votes
1 answer
1k views

Why are launch escape towers jettisoned early?

11 votes
2 answers
2k views

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

10 votes
1 answer
402 views

Could Dragon 1.0 be used as an emergency Earth return vehicle

9 votes
3 answers
2k views

Is ISP all there is to engine efficiency?

8 votes
1 answer
3k views

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

8 votes
1 answer
370 views

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

7 votes
2 answers
737 views

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

7 votes
1 answer
2k views

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

7 votes
2 answers
1k views

Does SpaceX plan to repair SLC-40?

7 votes
1 answer
2k views

How can Bielliptic transfers be more efficient than Hohmann transfers?

6 votes
2 answers
816 views

Why is OA-7 launching atop an Atlas V?

6 votes
1 answer
2k views

How does tank pressurization work?

5 votes
1 answer
2k views

Why are some rockets orange?

5 votes
1 answer
409 views

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

4 votes
1 answer
318 views

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

3 votes
1 answer
185 views

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

3 votes
1 answer
128 views

Rocket engine power vs. Sound

3 votes
1 answer
273 views

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

3 votes
2 answers
523 views

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

3 votes
2 answers
430 views

SpaceX NROL-76?

2 votes
1 answer
518 views

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

2 votes
1 answer
465 views

KNO3 as reverse hybrid oxidizer?