Questions tagged [reuse]

Questions regarding the reuse of parts or equipment.

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13
votes
3answers
1k views

Why hasn't Dragon been reused before CRS-11?

Given that SpaceX's Dragon has been designed to be reusable ("with minimal rework and fueling"), why hasn't it been, in fact, reused? We've had 6 CRS missions bringing Dragon to ISS and back home (...
9
votes
1answer
277 views

Why aren't the Ariane 5's SRBs reused?

The Ariane 5 uses two solid rocket boosters (SRBs), which can be recovered by parachute if desired. However, unlike (for instance) the space shuttle SRBs, Ariane 5 SRBs are only occasionally ...
7
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3answers
2k views

Will reusable rockets be financially viable?

While the vertical landing of rockets by SpaceX is certainly a significant achievement, there seem to be many who say that reusability is not actually financially viable. Apparently, it is far too ...
17
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2answers
2k views

Why is the first stage from the Falcon 9 SES-12 mission not recovered?

Youtube video here At 4:13 minutes into the Iridium-6/GRACE-FO NASA Launch, the commentator mentions: The first stage is not going to be recovered, so there won't be any views from the drone ship ...
12
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1answer
1k views

How many 1st stage boosters will SpaceX settle for, for its LEO/GTO fleet?

It’s common knowledge that SpaceX goal is to create a fleet of spacecraft shuttling from Earth to Mars. One milestone they intend to achieve beforehand is having a fleet of 1st stage boosters ...
11
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2answers
1k views

Falcon 9R as SSTO

Seeing as the Falcon 9R first stage is close to being reusable, could it be the basis for an SSTO rocket? In other words, does it have enough performance to make it into orbit, and then boost back and ...
30
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3answers
7k views

Why won't they recover the Falcon 9 from CRS-14?

According to the upcoming livestream of SpaceX CRS-14 (resupply of ISS): SpaceX will not attempt to recover Falcon 9’s first stage after launch. Why not? Wasn't that the whole point of (among ...
3
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1answer
169 views

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

Since SpaceX now does not repaint or clean off the sides of the first stage booster prior to reuse, does this make the soot covered stage heavier or lighter? And is this difference in weight ...
12
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1answer
2k views

Why is there a need for getting rid of ISS trash using the empty ATV and similar vehicles

Why is trash from the ISS sent down in some of the cargo vehicles. Would it not make more sense to dump it overboard in the downward + retrograde direction (as described here) and use reusable cargo ...
7
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2answers
2k views

Why did the Falcon Heavy core engines fail to reignite?

I realize that this is a hot take, less than twenty-four hours later at the time of posting, but is any technical detail known about why the core engines failed to restart, causing the crash?
7
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2answers
300 views

Is SpaceX trying to catch two pieces of fairing with one boat?

During the Paz / Starlink demo mission (2/22/18), SpaceX attempted to catch the fairing before it splashed-down into the ocean. They failed to catch it by just a few hundred meters. My question is:...
10
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3answers
3k views

Are spacecraft single-use?

Are today's spacecraft and carrier rockets really for one use only (launch and landing)? And then they can't be used anymore?
5
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1answer
645 views

Were there problems with the Russian Buran space shuttle's reusability?

The Soviet space shuttle Buran launched and landed (unmanned, because it could) once very successfully. I would think it would be a very valuable industrial asset for the bankrupt Russian Republic ...
5
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1answer
253 views

Can (or will) Block5 Falcon 9s be used on the Falcon Heavy?

With the Block5 version of Falcon 9 booster soon to be flying, will they be used for the Falcon Heavy, or will they remain a stand alone thing?
5
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1answer
181 views

Why is Mr. Steven in California and not Florida

Mr. Steven is the ship that is used to catch fairings. There is one of these thus far, and it is based to assist Vandenberg, not Cape Canaveral. Why are they choosing to test the fairing catching in ...
7
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1answer
302 views

Falcon 9 fairings stability on reentry

On the descent of the fairings into the atmosphere how is stability provided? Why does it not start to rotate in a uncontrollable fall but reenter gently without apparently damage on the interior ...
2
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1answer
282 views

Will the Falcon Heavy make the first full fairing reuse ever?

The two side boosters will need some kind of aerodynamic protection, which could very much be recovered with the rocket in one piece. Will they be recovered and reused?
16
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2answers
5k views

Did the fairings from the Falcon Heavy test flight get recovered?

According to the flight plan that Elon Musk posted on Twitter, there's a section listed as 'Fairing Recovery', was this section successful? Did the Fairings get recovered?
18
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2answers
6k views

Falcon 9 fairings cost and reusability

I read that SpaceX is starting to work on fairings reusability. I couldn't find any information, so I would like to know more about them. In particular, I remember a quote from Musk saying that ...
15
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2answers
3k views

What is the cause of this Falcon 9 first stage “dance” after landing?

Recently I watched a video on YouTube by Scott Manley: How To Do A Hoverslam - Things Kerbal Space Program Doesn't Teach. It deals about landing burns of Falcon 9 first stages. It features short clips ...
4
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1answer
343 views

Can Falcon Heavy side boosters/center core be reused as Falcon 9s?

Since the Falcon Heavy is just essentially 3 Falcon 9s strapped together, would it be possible to reuse them as Falcon 9s with some modification?
18
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2answers
6k views

How will SpaceX achieve landing of the Falcon 9 first stage?

What mechanisms and technologies will be used to control the descent and movement of the falcon 9 rocket's booster stage on its way to the landing pad?
25
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3answers
5k views

How can the reusable Falcon 9 succeed when the reusable Space Shuttle failed?

Space Shuttle was designed to be partially reusable but was later shut down because it turned out to be very expensive to run compared to disposable spacecraft. Now Falcon 9 is suddenly reusable to a ...
9
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3answers
1k views

Is it possible the Falcon Heavy Demo flight could be done with three previously flown boosters?

Thanks to their now recently official reusability capability, and after looking at the SpaceX flight manifest that showcases at least five new v1.1 FT before the Demo, it made me ponder: By the time ...
8
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1answer
354 views

How will they lower the landed side boosters after landing, if there is a nose cone?

To lower/handle landed stages, SpaceX has a rig that connects to the inter stage and they use it as an attach point for the crane to lift/move it. The two cores landed in Florida after the first ...
3
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1answer
2k views

Just how much of the Falcon Heavy is reusable?

I've been looking for just this one bit of info, in all the press: exactly how much of the Falcon Heavy is recoverable and reusable? Obviously not the fuel, but is all the hardware recovered? If so, ...
14
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2answers
3k views

What was the point of the re-entry and landing burn of the first stage of the GovSat-1 launch?

Supposedly SpaceX did not intend to recover the first stage of the GovSat-1 launch. If so, what was the point of doing a re-entry burn and a landing burn, if they were just planning on dumping the ...
14
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3answers
2k views

Could Falcon 9 splash down IN water?

Why don't they let the Falcon 9 splash down IN water, and then recover it? Wouldn't this reduce both fuel use & potential damage?
8
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2answers
1k views

What is the turnaround time for SpaceX's barges?

I believe that currently, SpaceX only has two landing barges - one in the Atlantic (Of Course I Still Love You (OCISLY)), and one barge in the Pacific (Just Read The Instructions (JRTI)). How long ...
21
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2answers
9k views

How did the Falcon 9's 1st stage return back to Cape Canaveral?

SpaceX's original plan was landing the 1st stage to a landing ship, that waits far away from the launch site, and it was like this: But tonight, the rocket's first stage landed at Cape Canaveral. ...
7
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1answer
362 views

Are there any viable hot structure orbital spacecraft designs capable of re-entry?

The current design of all orbital spacecraft capable of re-entry is cold-structure, using ablative materials, insulating tiles other approaches to keep the structure of the spacecraft relatively low ...
33
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6answers
20k views

Why did SpaceX attempt to land the booster on a barge instead of somewhere on land?

I understand the benefits of reusability for the rocket booster. But I don't understand why they're landing it on a barge. I've read tons of articles about this but not one has even hinted at an ...
8
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1answer
669 views

What is the practical limit on reusable chemical rockets?

With few exceptions, orbit-reaching rocket systems have a service life limited to a single launch. The Space Shuttle was intended at concept to be highly (and economically) reusable. Although much of ...
21
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8answers
6k views

Why isn’t the “JRTI” barge larger?

The barge that SpaceX's Falcon 9 was trying to land on is creatively called "Just Read The Instructions"(hereafter known as JRTI). I've been told that SpaceX is using the barge to avoid a land based ...
7
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2answers
613 views

How long does the F9 first stage remain hypersonic under control of its grid fins?

How long is the first stage of a landing Falcon 9 remain hypersonic, and under control of its grid fins? Specifically the hypersonic component is of interest. (Future second question will be, based ...
14
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7answers
5k views

Would reusable rockets render the idea of space elevators useless? [closed]

With the expected advances in reusable rocket technology within the next decade, will constructing a space elevator become meaningless? Or will it still be way cheaper, safer and convenient to use ...
4
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2answers
380 views

Could refueled upper stages re-enter by retro-propulsion?

Let us suppose we manage to mine water on the Moon and return lots of it to LEO. Would it be hard to design an upper stage that could refuel at that depot, and uses that fuel to return to the surface ...
9
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2answers
926 views

How close did the landed first stage of the Falcon 9 get to the X on the landing pad?

The pad at Landing Zone 1 (Former LC-13 at Cape Canaveral) has a big giant SpaceX logo consisting of a stylized X. SpaceNews reposted this picture of a guy on the X marks the spot, as distributed by ...
1
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1answer
210 views

Why can't spacecrafts create a complete heatshield cover around them during re-entry?

Like the Soyuz or Apollo spacecrafts, the crew module detaches itself from the service module during re-entry, is it possible to cover the total space-craft with a sleek-aerodynamic heat shield at the ...
29
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3answers
5k views

Did the Challenger SRBs fail due to design for reuse?

All that I know about the Challenger tragedy was that some o-rings failed in the reusable solid rocket boosters (SRBs) due to the low temperatures that day. I'm curious if such an accident would have ...
4
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1answer
251 views

What type of work goes into refurbishing a launch pad?

I read that launch pads need to be refurbished after every launch. What stuff on the pad takes damage? What is stopping them from covering the "stuff" in some sort of flame-retardant, explosion-proof ...
15
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6answers
10k views

Why can the Falcon 9 be reused while the SLS cannot?

In reading about SLS, I learned that the reason they won't reuse their rocket is that the weight of the parachutes to enable recovery is too much of a sacrifice. How is the weight of the hardware and ...
14
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3answers
4k views

Why didn't the space shuttle SRBs have wings and tires?

Why didn't the space shuttle solid rocket boosters have wings and tires to land the same way the orbiter lands? I don't think they haven't thought of that so there must be something that led them not ...
1
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0answers
497 views

How much fuel is necessary for 2nd stage of Falcon 9 rocket to land?

What is the fuel mass nedeed for the 2nd stage of Falcon 9 rocket to land, how much compared with its total fuel mass that it has? Or how much delta-v is necessary? Would it be able for Falcon 9 to ...
21
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3answers
4k views

How does SpaceX plan to achieve reusability of the Falcon 9 *second* stage?

Update 08 April 2017: Elon Musk tweeted an indication that they're revisiting the possibility of second stage recovery, so this question is again relevant, and the details of the new solution may be ...
1
vote
1answer
120 views

Impact shielding and damage control of a manned Interplanetary spacecraft [closed]

We've all seen pictures of micrometeorite and debris damage, and we've all heard the wisdom that at orbital speeds a paint chip is more lethal than a rifle round. We also know that having holes ...
6
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2answers
257 views

Will the SES-10 booster have a secondary mission goal of landing?

SpaceX is slated to launch the SES-10 this coming Thursday from LC-39A at KSC. This is widely seen a pretty major milestone, as this will be the first time a re-used booster will be used to put a ...
-2
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1answer
341 views

How can spacecraft be reusable for new missions? [closed]

When a spacecraft enters earth's atmosphere, it is totally destroyed and comes down as a single probe, so how can a spacecraft be reusable for new missions? The Soyuz spacecraft is launched on a ...
20
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2answers
2k views

What are the two bright objects separating from the Falcon 9?

On the recent Iridium 1 launch the separation of the first and second stages can be seen at T+3:50. In the following screenshot we see the second stage burning at the lower left of the frame and the ...
7
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4answers
2k views

What is the hardest part of making spacecraft (mostly) reusable?

Why aren't more parts of spacecraft commonly reusable? As I'm looking at the Soyuz plans, the three parts don't seem all that different in terms of survivalibility. The orbital module resembles ...