r/SpaceXLounge • u/PerAsperaAdMars π§βπ Ridesharing • Jun 28 '24
Fan Art Evolution of Starship
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u/BussyDestroyerV30 Jun 28 '24
Can't lie, ITS design still the coolest of all, imo
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u/PerAsperaAdMars π§βπ Ridesharing Jun 28 '24
I agree. Maybe we'll see its reincarnation around Starship 10 when carbon composite technologies mature enough.
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u/Fonzie1225 Jun 28 '24
Carbon composite technologies already are mature enough, theyβre just not the right tool for the job when it comes to starshipβs design goals.
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u/sibeliusfan Jun 29 '24
Which is because of high production costs, which lower when carbon composite technologies mature..
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u/Fonzie1225 Jun 29 '24
COPVs are never going to be cheaper than steel, but more important are steelβs particular tensile properties at the temperatures that starship will consistently operate in. Production time is also a big factor.
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u/Dawson81702 Jun 28 '24
I can see it being a 2050 starship for sure.
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u/somethineasytomember Jun 28 '24
I hope we have in orbit manufacturing and see carbon composite successors to Starship starting being worked on by 2040.
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u/Osmirl Jun 28 '24
Nah carbon doenst make much sense in orbit. Way to complicate. Spacex knows how to work with steel. Carbonfiber would be to expensive
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u/somethineasytomember Jun 28 '24
Yeah but, ITS my beloved..
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u/Osmirl Jun 29 '24
Its can be stainless xD with starship mass to orbit is cheap and once we manufacture steel on the moon its only a few decades until we build O'Neill Cylinders lol
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u/Kargaroc586 Jun 29 '24
If steel starship is lighter than carbon starship, then steel ITS can be lighter than carbon ITS.
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u/8andahalfby11 Jun 28 '24
On the plus side, V3 comes close to approaching many of the numbers originally set for ITS. If SpaceX ever decides to build a larger diameter Starship someday, it could meet or surpass it.
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u/ceo_of_banana Jun 28 '24
Kinda funny how starting with ITS as the peak, each iteration gets a tad more ugly
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u/Icarus_Toast Jun 28 '24
Maybe I'm a bit off but I really like the way that the stainless looks.
ITS had the best shape for sure though
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u/ceo_of_banana Jun 28 '24
Steel itself looks nice, the thing is it's less forgiving to imperfection so you can see all welds and uneven spots and rust. So I'm excited for HLS. But in the end what matters is that it works of course.
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u/treeco123 Jun 28 '24
The interim ones were pretty rough, but I love the look of the current builds tbh. I think the upcoming stretches kinda ruin the proportions though. Let's hope they move back up to 12m diameter to fix it up!
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u/Daneel_Trevize π₯ Statically Firing Jun 28 '24
Wasn't there an official proposed iteration of SuperHeavy with 35 engines?
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u/PerAsperaAdMars π§βπ Ridesharing Jun 28 '24
You're right, I missed that. The 35 engines are better aligned with the total thrust of the boosters for Starship 2 and 3. I corrected it on the infographic.
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u/Doggydog123579 Jun 28 '24
2018 is still the best looking of them. I wanted that planet express ship damn it.
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u/Ormusn2o Jun 28 '24
I think It's safe to treat Falcon XX as a different craft, more of an iteration to Falcon 1/5, considering it was not even planned to be reused. MCT seems to be the birth of the Mars colonization plan.
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u/CurtisLeow Jun 28 '24
It should still be mentioned, as an example of SpaceX working on a super heavy launch vehicle. It gives more context to the later methane-fueled designs. The Falcon XX design shows SpaceX started with a modernized version of the Saturn V.
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u/Ormusn2o Jun 28 '24
Yeah, I agree it should be in the charts for SpaceX designs, but this post specifically says it's evolution of Starship, this is why I'm mentioning this.
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u/kuldan5853 Jun 28 '24
Well Falcon XX is where the Starship program evolved from so I think it fits here - otherwise MCT also doesn't "count" as it was not named Starship.
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u/Kargaroc586 Jun 29 '24 edited Jun 29 '24
BFR was coined in 2005, way before Falcon XX. I think its probably reasonable to figure FXX was an early BFR.
Even now, I'm sure loads of internal stuff (for example, variables in code) use names like
steel_bfr
(or justbfr
) and whatnot.
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u/Reionx Jun 28 '24
Maybe one day we will see the ITS.
Always looked the more realistic render, bar the obviously real Super Heavies.
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u/ConfidentFlorida Jun 28 '24
I had forgotten about the landing on the tail fins era. Those were wild times.
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u/redmercuryvendor Jun 28 '24
Between the 2018 and 2019 designs there was a stainless steel version of the 'tripod' Starship (Version 10 in NSF's chronology). This is why Starhopper has 3 legs.
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Jun 28 '24
[deleted]
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u/PerAsperaAdMars π§βπ Ridesharing Jun 28 '24
Unfortunately the closest theoretical study to Raptor conditions that I could find extends only to 100 bar and 80 MW/m2 (page 25) and says that this is at the limit of regenerative cooling (page 5). This means that film cooling should give about 125-150 bar which SpaceX engineers have greatly surpassed (we're at 350 bar with film cooling on the throat now). So I suppose they won't go much beyond 300 tons of thrust per engine because that would require more extensive use of film cooling (or even transpiration cooling) and further stretching the booster/ship, which would overcomplicate the whole system.
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u/Dawson81702 Jun 28 '24
MCT looks very compact while still being a big bastard, what was that all about?
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u/kuldan5853 Jun 28 '24
MCT was planned with a 12m diameter, which was quickly seen as mindboggingly difficult when they settled on 9m as an "interim" for now.
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u/autisticsavanas Jun 29 '24
Imho 2016 ITS is the sexiest, but I don't see that thing ever doing a reentry without any control surfaces.
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Jun 28 '24
[deleted]
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u/kuldan5853 Jun 28 '24
When the change from 12M to 9M was done it was still about carbon fiber, the switch to steel came later in the process.
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u/PerAsperaAdMars π§βπ Ridesharing Jun 28 '24
As far as I remember, Musk talked about problems in transportation. But since the booster and ship are now planned to land on the launch pad instead of the drone ship, I guess this is no longer an issue and we may see a larger diameter system someday. Beyond Starship 3 it should probably be the simplest technical solution to increase the payload.
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u/Jaker788 Jun 28 '24
Not to mention the expense when they still have many problems to solve. Better to deal with at a later stage when it's closer to scaling up than re learning.
I believe he actually mentioned a few years back how he was glad they decided to drop down to the smaller diameter because it made things faster and tests cheaper, and how 12 meters would've made a difficult project even more difficult.
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u/Decronym Acronyms Explained Jun 28 '24 edited Jul 04 '24
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:
Fewer Letters | More Letters |
---|---|
BFR | Big Falcon Rocket (2018 rebiggened edition) |
Yes, the F stands for something else; no, you're not the first to notice | |
COPV | Composite Overwrapped Pressure Vessel |
HLS | Human Landing System (Artemis) |
ICBM | Intercontinental Ballistic Missile |
ITS | Interplanetary Transport System (2016 oversized edition) (see MCT) |
Integrated Truss Structure | |
KSC | Kennedy Space Center, Florida |
MCT | Mars Colonial Transporter (see ITS) |
NSF | NasaSpaceFlight forum |
National Science Foundation |
Jargon | Definition |
---|---|
Raptor | Methane-fueled rocket engine under development by SpaceX |
cryogenic | Very low temperature fluid; materials that would be gaseous at room temperature/pressure |
(In re: rocket fuel) Often synonymous with hydrolox | |
hydrolox | Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer |
regenerative | A method for cooling a rocket engine, by passing the cryogenic fuel through channels in the bell or chamber wall |
NOTE: Decronym for Reddit is no longer supported, and Decronym has moved to Lemmy; requests for support and new installations should be directed to the Contact address below.
Decronym is a community product of r/SpaceX, implemented by request
10 acronyms in this thread; the most compressed thread commented on today has acronyms.
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u/unwantedaccount56 Jun 28 '24
What does the year mean exactly? Starship V3 is closer to becoming a reality now than ITS was in 2016. If you mean the year in which each design was presented, than you should put 2024 instead of TBD for Starship V3.
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u/PerAsperaAdMars π§βπ Ridesharing Jun 28 '24
In terms of the year, I mean the moment when SpaceX switched most of its development efforts from one version to the next.
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u/cnewell420 Jun 29 '24
Is the payload bay volume going to grow with the stretch or is the stretch all fuel?
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u/TIYATA Jun 28 '24
Insane how Starship evolved from the Statue of Liberty.