Questions tagged [super-draco]
SuperDraco is a hypergolic propellant liquid rocket engine designed and built by SpaceX for use on the Dragon V2 capsule.
19 questions
-1
votes
1
answer
155
views
Why doesn't the crew dragon spacecraft of Polaris dawn mission appear to have a launch escape system?
All the crew Dragon spacecraft of SpaceX have a launch escape system powered by super Draco engines in case of an anomaly.
But the on the spacecraft of the Polaris dawn mission, the Dracos appear to ...
- 2,954
3
votes
1
answer
256
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 ...
- 2,954
2
votes
1
answer
279
views
Dragon Superdracos: how much MMH/NTO propellant?
How much Monomethylhydrazine + Dinitrogen tetroxide
(MMH/NTO) hypergolic propellant does the Dragon crew module carry and how much burn time does that afford them during launch escape if one is ...
user39728
7
votes
2
answers
664
views
How could SpaceX’s crew Dragon land with abort thrusters in case of emergencies?
Reading this question and this article linked in one answer, in case of two or three main parachute failure, how could super-dracos be able to slow down vertical velocity short before touchdown, since ...
user19132
3
votes
1
answer
1k
views
Could the Crew Dragon be used to re-boost the ISS?
In an answer to a related question, Jörg W Mittag wrote the following:
But more importantly, handling of the Superdracos is currently rather simple. They are safed after reaching orbit and then never ...
- 1,890
8
votes
2
answers
414
views
Does the Crew Dragon still have the launch abort fuel on board at landing?
The Crew dragon launches with a fairly large amount of fuel for its SuperDraco thrusters so that they can provide launch escape. If the launch goes OK is that fuel carried all the way to orbit and ...
- 19.7k
5
votes
2
answers
337
views
Why not Super-Draco in lunar lander?
The Super Draco rocket motor was originally developed for propulsive landings on earth, right. It has performed great in the test where crew dragon escaped from the Falcon 9 last year. It is supposed ...
- 51
4
votes
1
answer
279
views
Dragon capsule thrust requirements
SuperDraco engines installed inside Dragon capsules assume launch escape capability, propulsive landing, reaction control system and main propulsion.
Launch escaping and propulsive landing seem to ...
user19132
13
votes
1
answer
3k
views
Why did Crew Dragon switch to burst disks instead of multiple check valves?
SpaceX is known for preferring reusable parts whenever possible. Before the crew dragon incident, where a leaking check valved resulted in a plumbing explosion, it was determined that the check valve ...
- 133
7
votes
2
answers
1k
views
Why does the Superdraco exhaust seem so under-expanded in this photo?
The Ars Technica articles
From zero to 100mph in 1.2 seconds, the SuperDraco thruster delivers
Dragon was destroyed just before the firing of its SuperDraco thrusters
both include this "file photo" ...
- 151k
8
votes
1
answer
1k
views
Purpose of side holes on SuperDraco pods of DM-1 flight Dragon 2 capsule
I've watched the launch video for DM-1 today, and one thing caught my attention. On SuperDraco pods, below the plugged SuperDraco engine openings, there are two more plugged holes. I've marked them on ...
- 81
6
votes
1
answer
1k
views
Crew Dragon SuperDraco Engine Covers
(Source: Nasa Spaceflight article)
While looking at the new images of the upcoming crew dragon launch I noticed a distinct lack of holes in the part of the dragon the Engines are supposed to be in. ...
- 3,576
2
votes
2
answers
510
views
SuperDraco Engines in Crew Dragon spacecraft
How can a single spacecraft namely Crew Dragon aka Dragon V2, accommodate 8 SuperDraco thrusters along with sufficient propellant required for a precision propulsive landing and/or other such ...
- 361
-4
votes
1
answer
322
views
Merlin 1D Engine [closed]
How does the Merlin engine work? How does it's working compare to the working of SuperDraco engine?
To be more specific,
What features of Merlin make it unique and more efficient than other rocket ...
- 361
6
votes
2
answers
2k
views
Dragon 2 Propellant Capacity
According to its wikipedia article, the Dragon 2 is powered by 8 SuperDraco engines. And according to the SuperDraco's article, each one of them can store up to 1,388kg of propellant at an Isp of 240s....
- 2,453
3
votes
2
answers
652
views
Could a modified Dragon reach Low Earth Orbit just using SuperDraco engines?
How far could a heavily modified SpaceX Dragon capsule fly just by using its SuperDraco engines?
By heavily modified i mean unmanned, unpressurized and full of mono propellant.
- 1,216
5
votes
2
answers
508
views
How can SpaceX test SuperDracos whilst hanging off a crane?
NASASpaceFlight.com reports that the DragonFly test vehicle has arrived at McGregor, TX for testing.
They discuss that the FAA is limiting them to 80 feet above ground for initial testing. That they ...
- 80.5k
2
votes
2
answers
519
views
SuperDraco Dragon V2 vs Merlin 1D Falcon
I figured out that ten SuperDraco engines have about the same thrust as a Merlin 1D. So if we replace Falcon 9's second stage with a Dragon V2 with 2 additional SuperDracos ( and replace some seats ...
- 69
4
votes
2
answers
499
views
Can a SuperDraco engine help landing the SpaceX 1st stage?
I was thinking that placing RCS on the top of the rocket could help manouver it at low speed where the fins are useless. Than i read somewhere that cool gas propellant are not enough.
But we know ...
- 1,216