Questions tagged [dragon]

SpaceX cargo capsule for lifting payloads to orbit. Launched on a Falcon 9 rocket. Use [dragon-v2] for the Crew Dragon version of this project.

Filter by
Sorted by
Tagged with
2
votes
1answer
936 views

How many Draco engines does Dragon 2/Crew Dragon possess?

I believe Dragon 2 has the same number of 400N Draco thrusters that Dragon 1 has, which is 18, but I have not seen any confirmation of this. Dragon 1 appears to have them arranged in 2 sets of 4, and ...
19
votes
4answers
3k views

Reason for different “cone angles” of different space capsules?

Here is the Cargo Dragon: And here is the Orion: The "cone" that orion makes has a large opening angle - perhaps about 70 degrees. Meanwhile, the Dragon is almost cylindrical - the opening angle is ...
12
votes
2answers
3k views

Why is Dragon the only spacecraft that is currently in use to not need a fairing for launch?

Dragon is the only spacecraft I know of currently in use that doesn't need a fairing for launch on top of a rocket. I know there are others in development or in testing like Dragon v2 and CST-100(not ...
8
votes
2answers
2k views

Who can now resupply the ISS?

There are 4 major spacecraft that can supply the ISS. Progress, Dragon, ATV, and Cygnus. Of these 4 spacecraft, only the ATV has not had an issue in the last 8 months. ATV has stated they will not ...
15
votes
3answers
2k views

How much of Dragon might have survived the explosion of CRS-7 and for how long?

At June 28th 2015, the SpaceX flight CRS-7 failed when the Falcon 9 v1.1 rocket exploded minutes after liftoff. Shotwell said twice during the press conference that Dragon capsule was transmitting ...
7
votes
1answer
192 views

What Dragon was used in May 2015 Pad Abort test?

Originally it was suggested by Elon Musk that the Dragon shown at the unveiling was the test article, or at least large components of it, to be used in the Pad Abort (May 6, 2015) and then the Max ...
7
votes
2answers
1k views

Why does SpaceX not use the Crew Dragon for CRS missions to test it?

SpaceX has the Dragon 1 (Cargo) and Dragon 2 (Crew). It unveiled Dragon 2 about 1 year ago (30 May 2014). Dragon 2 is a radical change over Dragon 1 with many parts that are untested. I would think ...
8
votes
2answers
532 views

On which flights could SpaceX test Crew Dragon powered landing with complete flight profile?

For the booster stage of Falcon 9, test landings after a full flight profile are relatively frequent. SpaceX can try those on each CRS mission to the ISS, and in theory, any other launch that wouldn't ...
22
votes
2answers
3k views

Why does SpaceX have a launch window for a pad abort test?

SpaceX has announced a pad abort test for the Dragon crew capsule on May 5th. They have a 4 hour launch window for the test. There is no destination, so why would there be a launch window in this ...
3
votes
0answers
116 views

How much payload could a manned Dragon return, if unmanned?

The first mission to the ISS by Dragonrider (and CST-100) is expected to be unmanned. That means when it returns, it will have ability to return a full cargo load. Of course, ISS payloads are often ...
5
votes
2answers
3k views

SpaceX Dragon, what's new?

On April 10, 2015, Elon Musk tweeted 2 photos of the Dragon spacecraft being prepared for the CRS-6 mission: He said "points if you notice what's new". I'm wondering what is new about this Dragon?
6
votes
1answer
621 views

Will Dragon V2 when crewed carry cargo in its trunk?

With the reveal of the Dragon V2 (Or is it Dragon 2 now? Or Dragonrider?) we saw a new trunk design where the solar panels are wrapped around the trunk instead of being deployed like wings from the ...
23
votes
2answers
8k views

Why did SpaceX choose to use Hydrazine over newer “green” propellants for Dragon 2?

Firstly, I understand the need to use hypergolics over cryogenics as part of Dragon 2's abort and landing sequence - they provide "instant on" thrust and are throttlable with very wide ...
14
votes
1answer
5k views

What improvements have SpaceX made to their proprietary Phenolic Impregnated Carbon Ablator (PICA-X) heat shield?

PICA-X is a SpaceX proprietary variant on the NASA Ames developed PICA (Phenolic Impregnated Carbon Ablator) heat shield material. NASA quotes decades of rigorous research, testing and development ...
14
votes
2answers
2k views

Dragon V2: How many times can the spacecraft be reused? Is the spacecraft's heat shield reusable?

I read that the Boeing CST-100 could be reused up to 10 times, but the heat shield should be changed each time. Here are my questions: How many times can the Dragon V2 be reused? Will it be reused ...
4
votes
1answer
481 views

Have any other capsules used a movable ballast system for control?

Garrett Reisman, in testimony made this comment on page 4: Additionally, a movable ballast sled allows the angle of attack to be actively controlled during entry to further provide precision ...
13
votes
1answer
1k views

Could the current dragon v2 heat shield withstand a reentry from the moon?

I wonder if the Dragon V2 heat shield could withstand the extreme speed of a reentry from the moon. Or is it only capable of LEO flights?
5
votes
1answer
706 views

How has the Dragon v2 been tested before its launch pad abort test?

Dragon of SpaceX has been very successfully tested and used. But Dragon v2 seems to be differently designed and has 8 superdraco engines. Has the v2 been drop tested from a balloon or helicopter? ...
12
votes
1answer
626 views

Why does SpaceX not label the Dragon capsules externally?

Looking at a great answer to a question about Dragons berthing orientation at the ISS which shows images of the 5 CRS Dragons berthed to the ISS one thing struck me. There looks to be no easy way to ...
5
votes
1answer
194 views

Dragon berthing - Is the orientation specific to the orbital conditions, or always the same?

When the CanadArm catches the Dragon grapple fixture and attaches/berths it to the CBM on the ISS, is the orientation of the Dragon in the berthing port fixed and the same every berthing? Or do they ...
7
votes
2answers
1k views

Can the SpaceX Dragon leave the 'trunk' in orbit?

The Chinese have accomplished quite a bit with the service module left in space following the return of their latest lunar mission. I was wondering if something similar could be done using the 'trunk' ...
4
votes
2answers
995 views

What is this structure at the SpaceX McGregor, TX test site?

After an overflight of the McGregor site, in a thread at NASA Space Flight.com someone noticed an interesting structure: The theory being presented is that the size and hexagon pattern at the top ...
9
votes
3answers
2k views

How will Dragon v2's solar panels be protected during launch on top of Falcon 9?

When Elon Musk unveiled Dragon v2 last year, we got our first truly good look at what SpaceX's crew vehicle is like. Apart from the ability to propulsively land, one of the big changes was the lack of ...
9
votes
1answer
979 views

Why will SpaceX do Pad Abort test from a truss, not a real first and second stage?

SpaceX will be doing a Pad Abort test at LC-40 in Florida for the Dragon V2 vehicle to close out the CCiCAP criteria. They will not be using a real first or second stage, instead building some kind ...
12
votes
3answers
406 views

Are there any drawbacks or potential dangers on using touch-sensitive instrument panels on spacecraft?

Just as seen on Orion and Dragon designs (I haven't checked on other current spacecrafts), there are a lot of benefits from using touch-sensitive panels instead of traditional electrical switches. ...
4
votes
1answer
275 views

Has Orion's touch-screen instrument panel been influenced by Dragon's v2 panel? (or vice-versa)

I recently read about Orion's touch-screen instrument panels designs, and remember seeing this first on the Dragon v2 unveiling (with a 4 panel design instead of 3). Was this design influenced in any ...
6
votes
4answers
3k views

How is unpressurized cargo useful at the ISS?

The Dragon is designed to be able to bring unpressurized cargo to the ISS. How can such cargo be brought on board the ISS? What uses can such unpressurized cargo have?
15
votes
3answers
1k views

Can Dragon, or Dragon V2 be used to boost the ISS orbit?

One of the roles that Progress (and ATV) fulfill at the ISS is station reboost. This works because they can dock at the back of the Zvezda module, and boost inline with the station. I cannot find a ...
9
votes
2answers
2k views

Is the Dragon useful as a Lunar hopper?

The Dragon capsule of SpaceX is seriously considered by NASA for a sample return mission from Mars in 2022, according to Larry Lemke. Could a Dragon be used also for hopping around on the Moon? ...
4
votes
1answer
366 views

Will the SuperDraco powered Dragon be able to “jump” on the Moon or Mars?

Does the Dragon reusability concept of SpaceX include the ability to reactivate the engines after landing to make a "jump" to a new soft landing location some kilometers or so away on the surface? Is ...
2
votes
0answers
142 views

Does naming cargo space craft indicate intentions?

ESA committed to launching 5 ATV vehicles. All 5 were named. JAXA has committed to a limited number of HTV launches. And all have been named. Orbital has contracted for 8 launches, and seems to be ...
32
votes
2answers
13k views

Will the ISS need more docking ports?

Currently the ISS has two basic segments, the Russian and US sides. The Russian side has 4 docking ports. Usually occupied by 2 Soyuz, 1 or 2 Progress freighters or an ESA ATV vehicle. You can see ...
17
votes
1answer
910 views

Did the ISS have to adjust its course when the SpaceX Dragon capsule was detached?

We had this question which discussed if space craft had to be corrected in their orbits from the movements from the people inside. (No as their net movement cancels each force out) Following on from ...

1
2