All Questions
27
questions
3
votes
1
answer
250
views
What would happen during an inflight abort in a Falcon 9 if the booster engines did not shut down?
During the SpaceX'S Crew Dragon In Flight Abort Test on a Falcon 9 Launch System, as soon as the abort system was triggered Falcon 9 booster engines was shut down and crew dragon's super dracos ...
- 2,888
3
votes
1
answer
540
views
Will SpaceX Starship have launch abort system? [duplicate]
Since future SpaceX Starship is planned as long duration passenger spacecraft for multiplanetary transport will it have launch abort system? Also how is crew evacuation planned during interplanetary ...
- 2,321
7
votes
1
answer
285
views
Does Dragon have any timeframes during launch where there is not a planned survivable abort mode?
The space shuttle had many scenarios with combinations of SSMEs or SRB failures where there was no planned survivable abort available because of a variety of factors (aerodynamics, energy, g forces, ...
- 343
26
votes
4
answers
8k
views
Why was the SpaceX abort test not initiated by real booster failure?
Today (2020-01-19) SpaceX had a successful flight abort test. As far as I can understand, at a specific altitude, Crew Dragon fired its engines and escaped from the rocket.
This test looks like a ...
- 835
12
votes
3
answers
3k
views
Can the SpaceX Dragon 2 crew vehicle still use the draco and super draco thrusters to slow down when landing?
In an emergency, is it possible to use the draco and super draco thrusters alone to slow down the vehicle after re-entry? Right from the point parachutes are supposed to be released right upto touch ...
- 313
9
votes
2
answers
3k
views
What are SpaceX Starship/BFR proposed abort modes?
From the different renderings of Starship no escape systems can be seen.
What will the different abort modes both during launch and landing be like?
What happens for example if the first stage ...
4
votes
1
answer
548
views
Why did they not use the Flight Termination system on CRS16 booster?
All US boosters (I assume other nations as well) have flight termination systems. The goal is to try and stop an out of control booster (Big vehicle, full of explosives/fuel/oxidizer) from causing ...
- 80k
5
votes
2
answers
332
views
If the CRS16 booster was out of control, how did it abort to water?
The CRS-16 missions first stage, seems to have had a stuck grid fin. Apparently a hydraulic pump failed.
It was spinning fairly wildly and clearly did not try to land at the pad as it was scheduled. ...
- 80k
1
vote
0
answers
145
views
Details about the BFR abort procedures?
What kind of emergency procedures will the BFR have during landings? I can see an abort to an alternate landing zone but what about when you have a an emergency ten seconds after engine shutdown?
- 11
2
votes
1
answer
437
views
Could the Dragon 2 abort after trans-lunar injection?
Based on the data about the Dragon 2 that I can find, here are the relevant specs, from Wikipedia on Dragon 2 and on Draco engines, and their FAA filing for its pad abort test (page 8):
Dry Mass: 6,...
- 21.4k
13
votes
1
answer
448
views
When is the Dragon V2 abort system armed?
Or more specifically, had a Dragon V2 (uncrewed) been atop the AMOS-6 mission stage that blew up during propellant loading before a test fire would the Dragon abort system been armed and thus been ...
- 80k
4
votes
2
answers
2k
views
Can Falcon 9 first stage landing final burn using one, two, and three engines? Tradeoffs?
This question is about the final burn in the landing sequence of the Falcon 9 first stage return to Earth tests.
If I understand correctly, there is usually far more thrust than there is weight at ...
- 149k
3
votes
3
answers
703
views
Could a Falcon 9 booster "abort" a landing, then land shortly thereafter, or somewhere nearby?
This comment below this question has me somewhat convinced that it would be hard for a Falcon 9 booster to abort a landing at the last minute (say within the last 100 meters or something like that) ...
- 149k
4
votes
2
answers
377
views
Does Dragon v2 only have Superdracos as an abort system?
The accepted answer to this question states that the SAS Launch Escape System of a Soyuz spacecraft is used for aborts early in the ascend phase and it has a variety of abort modes after the SAS is ...
- 531
20
votes
3
answers
3k
views
Why does Dragon 2 abort with the trunk attached?
In the Dragon v2 abort test yesterday, it lifted off with its unpressurized trunk in tow, then ejected the trunk at apogee. Is this the real abort profile? Wouldn't it be easier to pull away without ...
- 562