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/sci/ - Science & Math


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File: 1012 KB, 1200x630, 1631490913594.jpg [View same] [iqdb] [saucenao] [google]
14681942 No.14681942 [Reply] [Original]

Blur Origin edition

Previous:
>>14677516

Next launch:
July 21 1313 EDT - SpaceX - Falcon 9 - Vandenberg SFB, California - Starlink 3-1

>> No.14681950

musk is finished

>> No.14681952

Earthers don't even deserve to be processed into nutrient sludge

>> No.14681954
File: 531 KB, 1125x1312, 57A4A580-76DE-4C59-8CCF-67BF75F700CC.jpg [View same] [iqdb] [saucenao] [google]
14681954

Lots of venting at the moment

>> No.14681961

>>14681954
Preburner test imminent

>> No.14681964

Bros I’m sick… WITH URANIUM FEVER

>> No.14681969
File: 104 KB, 1000x773, D21AAE77-7C7B-4F13-A7F8-98E045E6B43A.jpg [View same] [iqdb] [saucenao] [google]
14681969

>>14681961
>>14681954
Ship 24 is venting near the engine area now.

>> No.14681971
File: 687 KB, 1001x1500, vega.jpg [View same] [iqdb] [saucenao] [google]
14681971

Why are the French incapable of building a good looking flying machine? Does that Godless nation have no concept of beauty?

>> No.14681973

What is Jeff doing right now?

Poring over BE-4 technical specs and test results?
Attending design and planning meetings with New Glenn customers?
Smoothing over problems in the supply chain for production?

>> No.14681974

>>14681971
Vega isn't French.

>> No.14681978

>>14681973
In his yacht

>> No.14681980
File: 344 KB, 1440x810, BlueOrigin_Colony-SpaceFlorence.jpg [View same] [iqdb] [saucenao] [google]
14681980

10th for orbital colonies

>> No.14681981

Engine chill underway on Ship 24

>> No.14681982

>>14681974
If were French, I'd blame it on the Italians too.

>> No.14681985

>>14681973
Bezos is pushing anti-Musk stories on his media platforms.

>> No.14681986
File: 102 KB, 360x480, BC0C894D-C726-4449-BC32-A70A544E370F.png [View same] [iqdb] [saucenao] [google]
14681986

>>14681971
Vega is Italian Homie. Ariane is French. Stil ugly though

>>14681973
No idea. I miss the “it’s time” posts though. We need more Blue cringekino

>> No.14681987
File: 666 KB, 1920x1080, O'Neill cylinder space station by Rick Guidice, 1975.jpg [View same] [iqdb] [saucenao] [google]
14681987

>>14681980
damn. Here's another colony.

>> No.14681989
File: 1.79 MB, 6932x3982, space_moon_rock.jpg [View same] [iqdb] [saucenao] [google]
14681989

>No apollo 11 thread

>> No.14681991

>>14681989
Irrelevant.

>> No.14682001
File: 69 KB, 950x531, apollo 11 crew saturn.jpg [View same] [iqdb] [saucenao] [google]
14682001

>>14681942
> not commemorating Apollo 11
delete the thread and make another you spastic

>> No.14682007

The fermi paradox. when enrico fermi discovered there were no aliens, it proved there was a paradox. there were aliens but there are none. or there are none but there are none. this is contradicting, hense, a paradox. perhaps the great filter has stopped it from hapening, or more likely: dyson pheres. when enrico dyson invented postulated dyson spheres, it hides the star, therefore cannot be seen. von neumon says no, think smaller. think micro small. von neuman probes.
what do you think? thanks to the Drake Equation, we already know there are 10000s of intelligent life out there

>> No.14682016

>>14682007
>we already know
proof

>> No.14682017
File: 2.48 MB, 1642x2489, IMG_3446.jpg [View same] [iqdb] [saucenao] [google]
14682017

>>14681991
It's the 53rd anniversary.

>> No.14682021

>>14682016
Drake equation. look up

>> No.14682022
File: 3.14 MB, 6932x3982, 1658340804266859.jpg [View same] [iqdb] [saucenao] [google]
14682022

>>14681989
This was my last wallpaper. This for me is the best Apollo photo. If you look carefully , you can see the Lunar Module very far back

The only way to return was going back to the red line , and if the Rover failed , they would die because the ship was like 4km away , they wouldn't have enough time to walk

>> No.14682045
File: 84 KB, 437x437, nep.jpg [View same] [iqdb] [saucenao] [google]
14682045

>>14681954


>/sfg/ jizzes themselves looking back at the architecture from the cancelled Constellation program
>/sfg/ also hates the SLS with visceral prejudice even though its the exact same as the Ares V

Explain yourself.

>> No.14682051

FUCK IT JUTS RUD'ED

>> No.14682055

>>14682022
Just sprint lmao

>> No.14682058

>>14682045
>/sfg/ is one person
Fuck off back to /v/.

>> No.14682062

>>14682017
I love this picture. Let's me forget about how pathetic this comparison would be for every other launch system after Saturn V

>> No.14682065

sfg
>>14682058
retard nigger

>> No.14682066

>>14682051
Rude

>> No.14682070
File: 376 KB, 1371x1920, 6DA5486C-B1B1-41AE-8A26-2ACB5A4A611D.jpg [View same] [iqdb] [saucenao] [google]
14682070

>>14682045
Constellation has the benefit of not actually delivering any real hardware other than Ares IX, so it’s delays and overruns and disappointment are not as well known.
It is telling though that the Constellation lander, Altair, would have cost $15 billion to build. Even Blue/Lockheed/Grumman’s three stage ladder monstrosity was “only” $10 billion.
And pic related was before constellation. I will gladly shill Shuttle-C as long as the engines are recovered in a re entry pod

>> No.14682072

https://youtu.be/1fkXLP9MgdU
GET IN HERE
L2 DISCOUNT THIS WEEKEND

>> No.14682074
File: 342 KB, 1280x720, 14F1989B-6790-422B-A340-6F5E599B244C.png [View same] [iqdb] [saucenao] [google]
14682074

Saturn-Shuttle…home….
Ok but seriously holy fuck this seems like overkill. I know the shuttle was expensive but imagine throwing away a Saturn V first stage in every flight

>> No.14682076

>>14682072
it's over

>> No.14682079

>spin prime test #2
such a joke

>> No.14682080

>>14681969
That pic is gay dude.
Stacked rockets are homosexual, please don't do this.

>> No.14682085
File: 59 KB, 900x757, DB7F85B3-3AD1-4FC6-885E-54A3FD8D8843.jpg [View same] [iqdb] [saucenao] [google]
14682085

>>14682080
Hnnngggggf

>> No.14682088
File: 152 KB, 640x1092, 1615589410002.jpg [View same] [iqdb] [saucenao] [google]
14682088

How hard would it be to reconfigure the current SLS design to use RS-68's?

I'm asking this because I'm hoping it would be cheaper for the program when they finally run out of leftover SSME's which are insanely expensive to build.

>> No.14682094

Manned mission to X will never require just a ship that can land on X and take off from X. Starship will never land on Mars.

https://www.youtube.com/watch?v=-oeqJ5-oYQI

>> No.14682099

>>14682072
I can't handle the gay 3rd worlder talking

>> No.14682100

>>14682088
They'd need to spend a (small?) mountain of cash to develop the RS-68B, since there were apparently some cooling concerns with the nozzle.

But they're not going to run out of RS-25s. They already spent a lot of money to restart the RS-25 production line and design the RS-25E, which are superior because they cost functionally the same price.

>> No.14682103
File: 183 KB, 800x535, reuseable rs-ic.png [View same] [iqdb] [saucenao] [google]
14682103

>>14682074

>> No.14682105

>>14682088
Several hundred changes to the engines to make them human rated. It's never fucking happening.

>> No.14682107
File: 137 KB, 1383x1365, BA9A123E-05FE-4BA8-9918-BD6ACE7EC83D.jpg [View same] [iqdb] [saucenao] [google]
14682107

>>14682088
Impossible, or at least very expensive. RS-68 uses an ablative nozzle, so the SRBs would melt them. This was an issue with Ares V, which used six RS-68s.
NASA concluded that they could convert the RS-68 to a regenerative nozzle, but this was too expensive and they realized the SSME was just better. Of course, the SSME is 7X the cost of the RS-68 but still
Do note that in the past, there were plans to use SSMEs on proto-SLS vehicles, but to have them be recovered like SMART reuse. Why NASA didn’t do this for SLS is beyond me

An alternative idea is to use a single-core vehicle 10 meters wide without boosters and just RS-68s. This is a neat idea

>> No.14682109
File: 1.96 MB, 600x750, arianne bog.gif [View same] [iqdb] [saucenao] [google]
14682109

>>14681986
fuck you the A5 is pretty

>> No.14682115

>>14682109
>bog
this is a science board

>> No.14682116

Spin prime test at 1:20 CDT already happened. Looks like we might get a preburner or static fire today too

>> No.14682117
File: 127 KB, 1944x1296, EDQo8IpWkAAT4Ef.jpg [View same] [iqdb] [saucenao] [google]
14682117

This was the way .

>Buran reusable
>Side boosters reusable
>Core made so cheaply that you can throw it . Engines reused with a S.M.A.R.T - like system

>> No.14682119
File: 133 KB, 1060x594, exile.jpg [View same] [iqdb] [saucenao] [google]
14682119

>>14681987
Only angels are meant to live in space. You will be thrown out.

>> No.14682121
File: 380 KB, 2368x1500, 0FDE18D0-1F32-4C72-B468-FC2302D2D609.jpg [View same] [iqdb] [saucenao] [google]
14682121

>>14682117
Agreed. Or maybe make Energia II.
>Tfw no mid-80’s space race vol.2

>> No.14682122

>>14682107
Thing is, nobody is ever packing people on a rocket powered by engines that immolate half the fucking core stage on engine startup.

>> No.14682129

Can NASA optimize RS-25?

>> No.14682134

>>14682129
Towards the end of the shuttle program, the RS-25s got to the point where some weren’t even test fired between flights. They got pretty good at reuse. It’s a damn shame they’re being thrown away now

>> No.14682136

>>14682129
RS-68 is the "optimized" RS-25.

>> No.14682138

>>14682122
The fire isn’t a big deal. People exaggerate it.

>> No.14682140

>>14682138
>"The o-rings are not a big deal. People exaggerate it"

>> No.14682150
File: 54 KB, 1080x1080, 1633727286416.jpg [View same] [iqdb] [saucenao] [google]
14682150

>spacex has 1 month to get starship into orbit
can they do it?

>> No.14682152

So Starship launch order is:
>Ambient
>Cryo
>Wet Dress
>Spin Prime
>Preburner
>Static Fire

>> No.14682154

>>14682136
>>14682121
Hold up, so they cancelled Constellation, which used cheaper RS-68, because it was 'too expensive' and went with SLS, which uses awfully expensive RS-25?

>> No.14682156

>>14682150
Regulatory stuff aside, maybe. Depends on how Booster 7 testing goes. Once S24 static fires she’s ready

>> No.14682157

>>14682140
>I've just dropped the oxygen tank a few inches , people exaggerate it

>> No.14682158

>>14682150
Given zero bureaucracy? Probably.
In reality, never fucking ever.

>>14682154
Constellation was killed because it was "too expensive and had little to nothing to show for the already spent money". So they modified the drawings for the rocket a little bit, with more emphasis on "HERITAGE FLIGHT HARDWARE ALREADY HUMAN RATED IT'LL BE CHEAP TRUST ME BRO!" and came up with Artemis.

>> No.14682167
File: 728 KB, 2332x3004, 1633050125217.jpg [View same] [iqdb] [saucenao] [google]
14682167

>>14682109

>> No.14682170

they're going to do a static fire i can feel it

>> No.14682171

https://youtu.be/yUbnlSV4euQ
Rocket Factory Augsburg seems like a dark horse in the micro launch race. Opinions on them?

>> No.14682172

>>14682158
>>14682154
Constellation was going to be a worse shitshow that SLS. At least SLS uses the same tooling (kind of) as the shuttle. Constellation used a brand new diameter tank.

>> No.14682175

>>14682150
SLS will not launch on August 28th. At T-2:41 , some out of bounds sensor will trigger . They will need to get back to the VAB so next possible windows would be October 23rd

>> No.14682179

>>14682172
Using the same tooling is not a plus considering how anemic the rocket turned out to be.

>> No.14682197

Doesn’t SLS only have six days to launch once it’s at the pad? Because of the FTS issues?

>> No.14682207

>>14682197
20 days, but yeah. The FTS is powered by its own independent batteries and once those run dry they need to roll it back to the VAB to pull and reinstal the whole thing.

>> No.14682222

>>14682207
Typical Nasa :

>We need power for the FTS
>Got it ! lets put the system on separate batteries and if they run out , we would need to move the whole rocket to the VAB to change them
>...b-b-but what if we use the already installed core batteries to power the F....
>SHUT UP , EFFICIENCY IS NOT WELCOME HERE

>> No.14682231

>>14682222
I can understand the FTS needing to independent from the rocket. I cannot understand not having a means to plug the FTS into the pad and run it off an outlet until ~24 hrs before launch. Makes no damn sense at all.

>> No.14682234
File: 58 KB, 713x1014, 12lsda8n0rc91.jpg [View same] [iqdb] [saucenao] [google]
14682234

https://www.amiexploration.com/_files/ugd/b4b6cb_0e96270b6f1f4828ba51284ca4e15860.pdf

Gypsybros...
Are we retarded?

>> No.14682247

>>14682234
How on earth he sees this design and thinks : "yes this is fine, go ahead "

Its so stupid

>> No.14682252

>>14682234
This is not retarded. There is not a word in any language to properly describe what this is.

Also, the development of this is supposed to be funded via NFTs.

There are no words

>> No.14682253

>>14682234
https://www.youtube.com/watch?v=ElogqKc7AIk

>> No.14682254

>>14682234
I dub the first one the Itano Circus

>> No.14682257

>>14682234
>Gypsy water boiler OTRAG
Yes, you are retarded.

>> No.14682265
File: 46 KB, 425x377, igelkott-artikelbild.jpg [View same] [iqdb] [saucenao] [google]
14682265

>>14682234
This can't be real. FUCKING LMAO

>> No.14682270

>>14682265
It's ARCA. Of course it can be "real".
Just throw your money at the kind gypsy scammer.

>> No.14682271

Eric Berger : ARCA Space is touting a "heavy" version of its EcoRocket that will launch asteroid mining vehicles. And it is financing the venture with the sale of Crypto tokens. This is possibly the dumbest space thing I've ever seen, and that's saying something.

>Launch asteroid mining vehicles

Is he dumb ?

>> No.14682273
File: 414 KB, 1080x937, Screenshot_20220720-213222_Acrobat for Samsung.jpg [View same] [iqdb] [saucenao] [google]
14682273

Umm, SpaceX bros??

>> No.14682275

2nd spin prime conducted 6 minutes ago wow

>> No.14682276

>>14682234
This is the endgame of rocket designs.

>> No.14682277

>>14682271
I mean the ARCA guy , not Eric

>> No.14682284

>>14681980
>This Kind Of Smart, Walkable, Mixed-use Urbanism Is Illegal To Build In Most American Cities

>> No.14682290
File: 24 KB, 493x428, DW2459NaI8c1.jpg [View same] [iqdb] [saucenao] [google]
14682290

>>14682234

>> No.14682293

>>14682007
You should ask this to the rest of /sci/, /sfg/ considers this off-topic

>> No.14682294

>>14682273
I've got a couple of holes in my back yard that needs to be filled with cash money if you're interested in investing.

>> No.14682298

>>14682290
this is fine, it's not wider than it's tall unlike that thing

>> No.14682299

>[ANGRY VENTING NOISES]

>> No.14682300

>>14682276
...In that it will end rockets. People will turn away from space launch endeavors in horror and disgust, unable to rid their minds of the nightmares they have seen.

>> No.14682303

>>14682284
the walkable city meme needs to die
upper-middle-class, new yorker reading urbanites paying 60% of their income as rent in gentrified neighborhoods who have been to Europe once and are suddenly experts on urban planning need to shut the fuck up

>> No.14682307

it's done for

>> No.14682309

>>14682300
>Let's use OTRAG's dumb idea!
>Brilliant, only we'll do it with leftover electric water boilers!
>Also let's market it for asteroid mining of precious metals and throw in a scam crypto coin
>Popescu, you are a genius!
You know what they say about a fool and his money.

>> No.14682310
File: 1.51 MB, 3276x2457, 20220720_214028421.jpg [View same] [iqdb] [saucenao] [google]
14682310

Ngl, looks kind of cool in an unconventional sort of way

>> No.14682317

>>14682234
I think I made this in KSP once

>> No.14682320

>>14682310
is this a joke? KSP asparagus staging doesn't work in real life holy shit

>> No.14682325

>>14682310
Starship looked unconventional and cool in a way , but this is grotesque , ilogical , kerbal-ish

>> No.14682327

>>14682234
holy based

arcabros.. we won

>> No.14682328

>>14682317
Not with water boilers, also KSP doesn't give a fuck about fluid mechanics.

>>14682320
Those are individual water boiler "rockets". OTRAG style. Asparagus doesn't enter into it.

>> No.14682329

>>14682309
>You know what they say about a fool and his money
Both get stolen by gypsies and are never seen again

>>14682310
Well, at least it's a reusable nightmare. That's better than old space in a way.

>> No.14682330

>>14682007
>>14682021
how could Drake equation prove anything when we don't know the variables yet?

>> No.14682331

>>14682329
The dumb fucks probably believe the kapton foil is actual gold and that's why they got into the launch business, truth be told.

>> No.14682334

>>14682234
This is the kind of retardation that you only see on Kerbal joke videos.

>> No.14682338

>>14682234
So if a "heavy" configuration is when you bolt 3 common modules together, what do you call it when you link up 540 modules?

>> No.14682343
File: 46 KB, 863x150, 13499999.png [View same] [iqdb] [saucenao] [google]
14682343

>> No.14682344

>>14682338
>what do you call it when you link up 540 modules?
Hot water shortage across all of Europe.

>> No.14682347

https://youtu.be/Xr7ChBYU4Fo

THIS IS ARCA

>> No.14682363
File: 39 KB, 1200x1200, arca_brainlet.gif [View same] [iqdb] [saucenao] [google]
14682363

>> No.14682371
File: 106 KB, 929x812, Screenshot_20220720-215905_Acrobat for Samsung.jpg [View same] [iqdb] [saucenao] [google]
14682371

>>14682363
Cope

>> No.14682373
File: 39 KB, 650x500, 1651236944937.png [View same] [iqdb] [saucenao] [google]
14682373

>>14682310
I wish I had the self-confidence that Popescu has, I would simply not even put this on the internet unless as a joke, much less trying to actually get money for it

>> No.14682374

>>14682371
lmao those arbitrarily chosen points on the graph

>> No.14682378

>>14682371
Someone explains to me what do the axis mean

>> No.14682380
File: 563 KB, 1080x1019, Screenshot_20220720-220248_Acrobat for Samsung.jpg [View same] [iqdb] [saucenao] [google]
14682380

>>14682378

>> No.14682392

>>14682371
Well this settles it then

>> No.14682394
File: 12 KB, 339x149, 1610405503486.jpg [View same] [iqdb] [saucenao] [google]
14682394

>I FUCKING LOVE INNOVATION!

>> No.14682395

What the fuck is Arca's endgame? Surely they wouldn't put this much effort into a crypto scam

>> No.14682401
File: 77 KB, 1211x885, image3.gif [View same] [iqdb] [saucenao] [google]
14682401

>people poo pooing this Arca announcement

When did /sfg/ get so gay?

>> No.14682403

>>14682378
Absolutely fucking nothing. It's retard investor bait.

>> No.14682407

>>14682395
Never underestimate a romanian. They invented sleight of hand

>> No.14682408

>>14682401
The arca meme was mildly amusing two years ago.

>> No.14682421
File: 51 KB, 797x525, kayser nordic.jpg [View same] [iqdb] [saucenao] [google]
14682421

What god would a gypsy name his OTRAG ripoff after?

>> No.14682430

>>14682401
will we ever see a launch vehicle surpass the designation of "super-heavy lift" into its own class? It does feel like 150t is the feasible limit, mostly in terms of logistics and actual market demand.

>> No.14682433

>>14682395
>surely they wouldn't
This is 200 pages of verbiage, one weekend with a decent graphics designer to fake the pictures, and a PDF so bloated with high resolution pictures nobody can download it properly. /sfg/ could probably make better investor bait in a weekend, and we're in a recession

>> No.14682436

>>14682234
>otrag on steroids

>> No.14682438

>>14682380
>Innovation through the use of old technology with small design improvements is the left bottom corner that contains the SLS, virtually a Space Shuttle technology arranged in a different configuration; LauncherOne, virtually an upgraded Pegasus design; Ariane 6, an upgraded Ariane 5 design. It has minimal innovation both in terms of technology as well as design concept. So, what these teams are doing there is to use old technology packed in design solutions that were basically done in the past. There’s almost no novelty there, therefore we can’t expect dramatic real cost reduction. That’s why these designs are heavily enjoying a lot of subsidies to survive, as in the case of Ariane 6.

Well, he's competently wrong about LauncherOne since Pegasus is a 100% solid fuel design and L1 is 100% kerolox, but he is perfectly on target about Ariane.

>> No.14682445

>>14682421
I don't know. Do the Romanians have a deity for scamming, pan handling and prostitution?

>> No.14682446

>>14682421
Robin hood

>> No.14682447
File: 50 KB, 1131x220, 1629322103846.png [View same] [iqdb] [saucenao] [google]
14682447

>but dumitru, how are we actually going to mine the asteroids?
>idk dude, machines or some shit lmao

>> No.14682449

>>14682401
Save it, pretending bad technology is acktually good works as a passing joke, not as a forced meme.

>> No.14682454

>>14682447
has anyone ever demonstrated a 3D printer that could print 3D printers?

>> No.14682455

>>14682430
Elon wants to build a bigger starship.
Won't happen for decades IMO, starship is enough trouble for now.

>> No.14682461

>>14682455
we were much closer to something like that existing 50 years ago. If it didn't happen then, it will probably never happen.

>> No.14682463

>>14682401
Based pic but ARCAposting is forced and not funny anymore

>> No.14682465

>>14682438
>he is perfectly on target about Ariane.
Not really. What's not listed there is advances in manufacturing. Falcon 9 was cheap before reuse because of streamlined manufacturing. It's not necessary to build something completely new to significantly cut costs. Whether A6 does or not is another matter, but the analysis is incredibly naive.

>> No.14682467

>>14682445
how are the romanian prostitues?

>> No.14682470
File: 77 KB, 849x478, Screenshot 2022-07-20 232007.png [View same] [iqdb] [saucenao] [google]
14682470

yay

>> No.14682474
File: 786 KB, 943x1078, 1656214119562.png [View same] [iqdb] [saucenao] [google]
14682474

>>14682454
/ourguy/ says that they do not exist and will not for a long time
https://caseyhandmer.wordpress.com/2019/09/02/self-replicating-robots-do-not-exist/

>> No.14682476

>>14682430
Resource transfer, namely on-orbit refueling, creates its own demand for large launch vehicles, which is why SpaceX doesn't need a customer in order to make Starship larger.
>>14682470
cringe

>> No.14682479

>>14682470
thats nice, the toy industry is in a pretty bleak state rn now due the tablets and smartphones, except LEGO and collectible stuff of course. it would be nice to have kids playing with rockets dreaming to be astronauts again.

>> No.14682480

>>14682447
The use of self-replicating machines is the equivalent of filling in the gaps in a plan with some of grandmother's black magic. A decade or two ago they would have been talking about mining asteroids using Romanian nanotechnology.

>> No.14682481

>>14682474
>/ourguy/
he's a faggot and so are you

>> No.14682489
File: 926 KB, 2934x1732, 1652739252170.jpg [View same] [iqdb] [saucenao] [google]
14682489

JWST has unlocked the horrors that we were not meant to see.

>> No.14682492
File: 268 KB, 478x638, file.png [View same] [iqdb] [saucenao] [google]
14682492

>>14682489

>> No.14682493

>>14682467
I can tell you have no experience with Romanian gypsies. Lucky you.

>> No.14682497

>>14682489
talmabout this purpa keeeng

>> No.14682502
File: 398 KB, 2690x2009, power couple.jpg [View same] [iqdb] [saucenao] [google]
14682502

>>14682474
>>14682481
>faggot
He is married with kids. If Tom Mueller can be considered straight despite his interests, Casey also gets a pass.

>> No.14682508

>>14682502
Nice beard Casey, I no longer doubt your heterosexuality :^)

>> No.14682526

QRD on Tom mueller being a fag?

>> No.14682540

>>14682526
He constantly sucks off Musky on twitter

>> No.14682552
File: 21 KB, 238x595, elon wtf.jpg [View same] [iqdb] [saucenao] [google]
14682552

>>14682540
that means nothing, everybody is gay for the Barrel Bomb

>> No.14682563
File: 266 KB, 910x819, 1633864544487.png [View same] [iqdb] [saucenao] [google]
14682563

https://youtu.be/heTQBJVzA_8?t=10
>when we examine the idea of electrical cratering, this is often given in the context of huge interplanetary discharges
WHAT

What the fuck, is there really lightning on the Moon from Earth? Or is this video having me on?

>> No.14682564

>>14682526
On twitter he accidently liked a video of a man jerking off in a public bathroom.

>> No.14682567

>>14682436
more like on meth

>> No.14682570

>>14681964
Maybe you should stop eating the damn stuff

>> No.14682577

>>14682564
I've interpreted this as him enjoying jacking off in public bathrooms.

>> No.14682580

>>14682454
You can print a lot of the *parts* for a cheap 3D printer on a 3D printer, but just the parts that make the frame. You can't proont a stepper motor or an extruder head or a controller board, for instance.

>> No.14682583

>>14682007
Octopussies could be a von Neumann probe that used the available resources to create a body that could slowly become more intelligent after more iterations

>> No.14682592

>>14682564
Anyone have the vid?

>> No.14682595
File: 71 KB, 299x222, c38.png [View same] [iqdb] [saucenao] [google]
14682595

>>14682007
Hello again gpt-3

>> No.14682605

>>14682338
Your mother

>> No.14682606
File: 68 KB, 978x790, crypto powered engine.jpg [View same] [iqdb] [saucenao] [google]
14682606

Rocket powered by nvidia GPU running @ 100% load generating the heat and thrust by the fans spinning to bring heavy lift rocket EcoRocket Heavy.

>> No.14682608

>>14682577
Maybe it was multiple men in a bathroom? I don't remember, it has been so long and it was quickly buried because no one here actually wanted to out him.

>> No.14682610

>>14682007
Extrrmely insightful, it has all the popsci buzzwords. Next time try to work in Sagan and NGT

>> No.14682612

>>14682606
Intel is the new housefire GPU. Their 225w can't even beat the 160/180w low costs of AMD/Nvidia.

>> No.14682614
File: 81 KB, 1124x331, 1652851252152.png [View same] [iqdb] [saucenao] [google]
14682614

>it was calculated on the infamous online /sfg/ on the 4channel.org website

>> No.14682617

>>14682612
4090 ti is 1600 watts at peak.

Intel has long way to go in GPU..

>> No.14682618

>14682563
weak b8

>> No.14682623

>>14682284
All you need for walkable shit is to remove most zoning laws and stop expanding roads. Everything else including public transport will come naturally, not all this shit about forcing you to live with niggers. See Tokyo for an example

>> No.14682625

>>14682614
kek

cant even do their own math

>> No.14682628

>>14682606
Ingenious. It can mine bitcoin every time it launches, thus dramatically reducing costs.

>> No.14682630

Fireden doesn't have /sci/ searches enabled and Warosu is missing a bunch of shit, is there really no good /sfg/ archive left?

>> No.14682638

>>14682614
I'm assuming this is for the asteroid mission

I've been saying for a while now that there is a real opportunity out there to do a private DSN

SpaceX is guaranteed to need it for Mars shit and I GUESS Relativity provided they actually launch something. The lead times on 30m radio telescope construction (or if you're feeling more modern, large radio telescope arrays) are several years long so if you were going to get into the market you'd better be pitching the concept to investors like right now

>> No.14682639

>>14682612
doesnt matter. Intel has features invidia cant even dream of

>> No.14682641

>>14682617
Transient spikes are not peak.
But the shit performance per watt crown goes to Intel.

>> No.14682645

>>14682638
>The lead times on 30m radio telescope construction (or if you're feeling more modern, large radio telescope arrays) are several years long
why?

>> No.14682647

>>14682630
google "site:boards.4channel.org/sci/ /sfg/"

>> No.14682652

>This is the lowest budget ever used in history to design, test and launch an orbital rocket. It’s
unprecedentedly low, no-one ever achieved this and we really want you to understand the
tremendous achievement from ARCA

APOLOGIZE

>> No.14682656

>>14682234
>no one explaining whats supposedly so stupid about OTRAG

>> No.14682658

>>14682656
Best part is no part

>> No.14682661

Can you use tire rubber as a rocket fuel? Asking for a college

>> No.14682662
File: 21 KB, 768x289, ogre.jpg [View same] [iqdb] [saucenao] [google]
14682662

>>14682647
its ogre

>> No.14682671

>>14682661
Yes. Hybrid rocket motors can burn rubber and gaseous nitrous oxide.

>> No.14682672

>>14682638
>current year
>not communicating using light

>> No.14682673

>>14682652
who....pays them?

>> No.14682675

>>14682645
It took four years to build several of the DSN antennas at Goldstone

It's going to take even longer if you have to start from scratch and have no infrastructure whatsoever

>> No.14682676

>>14682671
brb, gonna go to space. In minecraft, FAA

>> No.14682684

>>14682675
>It took four years to build several of the DSN antennas at Goldstone
Yeah but that was by the government, and also in the 50s. How long would it take a motivated and capable corporation like SpaceX today, with modern design and manufacturing?

It's just a big metal dish, with a radio on a pole. Innit?

>> No.14682690

>>14682672
Psyche was the mission intended to test that out

And that's permadelayed

>> No.14682691

>>14682671
>>14682676
I don't think you could really just use literal tires, there's all kinds of other shit in them. Assuming you want to actually build a hybrid rocket, paraffin seems to be relatively easy and cheap.
https://www.youtube.com/watch?v=nPM3KcHzN6I
This guy's series is pretty good, he does fairly high effort long format science videos. If you're thinking about DIYing a rocket, I'd highly recommend them. If you only really care about theory, I found his rocket nozzle video to be a pretty good overview.
https://www.youtube.com/watch?v=PD6XpFfR68E

I made something very similar at a much smaller scale a few times when I was a kid, if you're into this sort of thing I'd highly recommend it. I made and launched my own Estes rocket engine form factor rocket, tons of fun.

>> No.14682692

>>14682608
I think it had another guy walk in on the guy jacking off.

>> No.14682709

>>14681980
How hard would it be to build a second mini mini mini mini.... Artificial moon colony?

>> No.14682713
File: 571 KB, 838x717, 1653771746562.png [View same] [iqdb] [saucenao] [google]
14682713

>>14682692
Doesn't anybody fucking knock anymore?

>> No.14682723

>>14681989
Why see no stars in the sky?

>> No.14682730

>>14682492
It’s a shittiverse, bobandy

>> No.14682731

>>14682709
Just live on Phobot and Deimos

>> No.14682742

Starlink launch tomorrow morning

>> No.14682757

>>14682022
I've always wondered about this, I refuse to believe that NASA would have allowed them to drive a distance that would kill them if the rover failed or got stuck.

>> No.14682759

>>14682757
Do you see any moon police up there?

>> No.14682765

>>14682690
What's up with that mission, anyhow? I was really looking forward to it. Please tell me we're going to see a FH launch this year

>> No.14682766

>>14682723
Those weren't released yet, they came out in a later patch.

>> No.14682777

>>14682765
There were 4 scheduled this year, we won’t see a single one lmao

>> No.14682780

>>14682777
I hope we at least see SLS

>> No.14682782

>>14682765
JPL fucked up somewhere in their schedule and their wasn't enough time to complete the pre-flight testing before the launch window.

>> No.14682783
File: 404 KB, 1920x1080, 1655558996134.jpg [View same] [iqdb] [saucenao] [google]
14682783

>>14682022
>>14682757
It was a different time.

>> No.14682787

>>14682782
how long until another window? 250 years?

>> No.14682798

Fourth launch tower segment moving
https://youtu.be/6saHQF4ybKA

>> No.14682804

>>14682798
WE GAAN

>> No.14682808

>>14682787
There's launch windows in 2023 and 2024, but they take a bit longer to get there than the 2022 one. One major planning issue now is that this completely things up for the Janus probes that were launching as rideshares. They'll have to find completely new targets or get canceled.

>> No.14682811

>>14682780
Im pretty confident we will, but on the other hand they are targeting August/September and any problems found between now and then will likely push it back to 2023.

>> No.14682812

>>14682811
part of me wants to see it slip just so the berger prophesy will come true

>> No.14682814

>>14682454
Stuff like the wiring and the nozzle would have to be made out of metal, which is technically possible, but I'm not sure the precision is quite there. For every bit of complexity added, the printer will have to be able to accommodate said complexity. It'd be less of a printer and more of a small(?) factory by the end, with material refining, component manufacturing, and an assembly line. Probably not impossible, especially in 0g, but goddamn, would the development of that this be difficult. Although you do need to make the properly working one only once...

>> No.14682821

>>14682022
>>14682757
They have something called "walk-back constraints." They're exactly what they sound like. The CDR and LMP had to leave each geology site by a predetermined time to have enough oxygen in the backpacks to last them if they had to run back on foot.

>> No.14682822
File: 16 KB, 354x286, 1594077280790.jpg [View same] [iqdb] [saucenao] [google]
14682822

Space is the place for the human race
Chasing the race for the new place
Days on our old place waste
Starship's team full of everybody keen
Pilot in the twilight is a deep dream
Men and machine convene

Peri-perihelion
Peri-perihelion
Peri-perihelion
Peri-perihelion

>> No.14682827

>>14682563
Looks like a schizo channel.

>> No.14682830

https://www.businessinsider.com/elon-musk-could-lose-tesla-stock-go-prison-over-twitter-2022-7
It's over

>> No.14682831

>>14682827
Yes, I fear you might be right. I watched another of his videos yesterday about the types of electrical discharge and it all seemed very mundane, nothing that raised my eyebrows. But now looking at the channel more closely, I see hints of schizoism. One of the featured channels linked from his channel is "Electric Universe Eyes"

>> No.14682833

>>14682830
The shorters are getting desperate

>> No.14682835

>>14682830
>journalists confusing their personal hopes and desires for "news"
many such cases

>> No.14682838

>>14682835
https://news.gallup.com/poll/394817/media-confidence-ratings-record-lows.aspx

>> No.14682853

>>14682808
They’ll get new targets. They already had new targets when psyche got delayed two months

>> No.14682859

>>14682822
>Peri-perihelion
This bit gets md hard

>> No.14682887

>>14682830
Why is everyone not ashamed of them selves for being jealous and envious of Elon ?

Especially conservatives since he is pretty much an ubermensch Ayn Rand character.

Tesla and space x is a million times more important and special than Twitter, no way they should try to fuck with him, that being said maybe he shouldn't have tried to buy Twitter. Oh well. These rats and weasels just sense a chance for extortion.

>> No.14682895

>>14682887
Conservatives hate him because he doesn’t fall in line with the party ideals and he does jerk off trump.

>> No.14682897

>>14682563
See Io and Jupiter interactions

>> No.14682902
File: 139 KB, 1080x1560, 0ogq6yexvrc91.jpg [View same] [iqdb] [saucenao] [google]
14682902

>>14682887
lol this is your king?

>> No.14682906

>>14682895
But they worship Ayn Rand above all else and he's the atlas shrugged or fountainhead or John Galt whatever guy 9.0

Money + freedom

>> No.14682908

>>14682906
conservatives don't read
they just worship whatever pisses off liberals the most
it's a punitive ideology

>> No.14682915
File: 98 KB, 720x933, uqcbrzjlgqj31.jpg [View same] [iqdb] [saucenao] [google]
14682915

>>14682887
nobody's "fucking" with him lmao, it's all a puppet show
>NASA inefficient and bad, sóyence billionaire good! please put chips in my head based sóyence billionaire!

>> No.14682922

>>14682908
>>>/leftypol/
Shoo

>> No.14682926

>>14682908
leftism is moral syphilis

>> No.14682929

>>14682922
>>14682926
you will never go to space and muh niggers get billions of dollars anyway

>> No.14682949
File: 2.11 MB, 1920x1080, _60-37 screenshot.png [View same] [iqdb] [saucenao] [google]
14682949

>>14682798

>> No.14682964
File: 26 KB, 480x273, retard.jpg [View same] [iqdb] [saucenao] [google]
14682964

>>14682926

>> No.14682976

>>14682926
Worse, it's the worship of political fundamentalism as a false science.

>> No.14682996

>>14682976
reality has a well-known liberal bias

>> No.14683012

spaceflight?

>> No.14683013

>>14682926
>>14682908
>>14682906
Modern politics is literally just
>Well one side said XYZ so I’ll believe the opposite that will show them haha!

Elon is based because he’s not loyal to one party; he has his own beliefs that piss conservacucks and retarded liberals

>> No.14683015

/pol/itics don't belong here fuck off to your containment board

>> No.14683016

>>14682996
Retarded hot takes are regularly vomited out of Coblert's mouth and midwits, halfwits, and dimwits think cable TV "comedians" are philosophers.

>> No.14683022 [DELETED] 
File: 242 KB, 804x1024, 53280AB6-365F-44B2-B4CA-F8C0B81EA24A.jpg [View same] [iqdb] [saucenao] [google]
14683022

>>14683013

>> No.14683030

Reminder that the local /pol/tard is a literal tranny

>> No.14683032

>>14682996
Honestly, it was phrases like that like were the first thing that clued me in to the existence of the cult. The idea that reality is inheritance conformist to a set political dogma is exactly how the religiously brain dead view the world.

>>14683012
Sometimes we have to remind ourselves of the things spaceflight gives us the hope of escaping, or the things we need to kill if spaceflight is to flourish.

>> No.14683033

So anyways can someone explain to me if/why a DFD would have pretty nasty exhaust? This goes back to a discussion that happened probably like 6 months ago but we were talking about water injection in a DFD and anons mentioned it would irradiate the pad. Can someone go into more detail about this?

>> No.14683049
File: 142 KB, 991x493, engines.jpg [View same] [iqdb] [saucenao] [google]
14683049

>future superheavies will have no heat shield on the engines
>this is what a flight vehicle will look like
holy kino

>> No.14683051
File: 31 KB, 500x369, 03B0606F-2C6C-4A8C-B78F-40B5B811647E.jpg [View same] [iqdb] [saucenao] [google]
14683051

In 1988, STS-27 was badly damaged during launch due to a foam strike that almost destroyed space shuttle Atlantis, but didn’t due to the random chance of the area under the damaged tiles being stainless steel and resistant to reentry heat.
If STS-27 had failed, only two years after Challenger exploded, how would history have changed?

>> No.14683055

>>14683033
D-T fusion produces fast neutrons that can be absorbed by surrounding molecules which may pump out some radioactive water

>> No.14683057

>>14683015
everything is political

>> No.14683060

>>14683049
That sounds wildly optimistic. A Falcon 9 failed to land because re entry heat burnt through its heatshield and scorched one of the engines

>> No.14683061

>14683057
faggotposter detected

>> No.14683062

>>14683055
Gotcha thanks

>> No.14683063

>>14683060
>That sounds wildly optimistic
story of Starship development

>> No.14683070

>>14683061
retard

>> No.14683074

>>14683033
it depends on the fuel you use, but even with d-he3 you're going to get some t byproducts reacting and spitting out the spicy neutrons. if you did the economical thing and used a simple d-d reaction it's even worse and would make a lot of tritium. having said that, i know of no concepts for a fusion rocket that involve doing a fusion burn on the earth since our atmosphere would contaminate the plasma and seems like it would make getting the thing to work impossible.

>> No.14683076

>>14683063
>”We we’re too dumb”

>> No.14683084

>>14683060
>>14683049
What would be the benefit, saving relative pennies? Vs the risk

>> No.14683086

>>14682895
>>14682906
You're both describing fictional strawmen of the people you think you hate.

>> No.14683089

>>14683084
insane mass savings

>> No.14683094

>>14683055
ooof i can't imagine trying to make a fusion rocket using d-t, what a nightmare! on top of the neutrons, you are fuuuuuuuucked trying to breed the tritium on the rocket without ballooning your mass to insane levels, and the whole time your fuel is rapidly rotting into helium-3 and desperately trying to leak away.

>> No.14683095

>>14683084
It's actually safer because it reduces places where farts can build up

>> No.14683097

>>14683094
you are now promoted to head of 4ASS nucular division. good work

>> No.14683106

>>14683097
I want a NTP proposal on my desk next week
Configure it for maximum atmospheric thrust

>> No.14683112

>>14683106
How do we contain the muon? If we can pump muons into the chamber we can catalyze the reaction and run it at room temperature

>> No.14683120

>>14683112
That's for you to find out. Get to it, anon

>> No.14683151

>>14683049
>>14683095
There's no fucking way. They add shields of some kind back before a stacked Superheavy + Starship makes orbit and is recovered successfully. Screenshot this post and make fun of me if I'm wrong.

>> No.14683154

>>14683151
The shields haven't been deleted yet so this is a stupid thing to post.

>> No.14683158

>>14683154
Okay

>> No.14683167

>>14683154
>>14683049
Are they trying out a new heatshield configuration?

>> No.14683168

>Arca implying it is redpilled
>the entire gypsy detainment story
>spending a whole page attacking Estronaut
>also attacking Hullo in a footnote
>citing stackexchange for their calculations
>Arca saying they'll fix poverty
>crying about youtube dislikes
literary kino

>> No.14683170

>>14683167
No they just want to get rid of the heat shield entirely. The picture is of an unfinished booster.
Removing the heat shield for real is gated on completely fireproofing Raptor 2.

>> No.14683187

They should put huge methane flamethrowers like they had on hopper on the legs of the OLM.
Looks better than ROFIs and is more reusable.

>> No.14683188

>>14682887
>>14682906
Conservatives don't give a shit about Ayn Rand, she was a godless atheistic jew. It's libertarians who like Ayn Rand. They get confused by people who use "conservative" and "votes republican" interchangeably, but they aren't actually the same thing.

>> No.14683212
File: 57 KB, 737x315, Screenshot 2022-07-20 183112.jpg [View same] [iqdb] [saucenao] [google]
14683212

>> No.14683216

>>14683212
Does Astra have any material that suggests they can be profitable without hitting their 300 launch / year by 2025 mark? Because that ain't happening.

>> No.14683220
File: 487 KB, 960x726, SLS_2024.png [View same] [iqdb] [saucenao] [google]
14683220

https://youtu.be/p3CXCgXONc4
>Artemis media briefing streamed today
>literally everything on schedule
>crickets on /sfg/
While you SpaceX stans are busy coping, I was busy staying up to date with the Artemis program, and happy a man I am. 100 years space launch system, we are going.

>> No.14683224
File: 113 KB, 500x750, 1647406101407.jpg [View same] [iqdb] [saucenao] [google]
14683224

>>14683220
I desperately desperately want SLS to suceed, there is no chance of NASA pivoting to another more effective platform, or a cheaper platform, or anything else that makes sense. SLS is what we have, and if this doesn't fucking work space exploration gets pushed back another four decades.

>> No.14683226

>>14683212
Pot meets kettle. How is that reuse coming along, Mr. Beck?

>> No.14683227

>>14682822
this album is such a bizarre mix of space-optimism and Earther drivel talking points

>> No.14683234

>>14683170
Wouldn't part of the sheild be protecting all those cables from wear and tear from flame or from air?

>> No.14683236

>>14683220
>Artemis IV won’t even land on the moon
It’s over

>> No.14683238

>>14683216
Oh it's definitely happening

>> No.14683245

>>14683212
He fucked up and thought the guy was asking about rocket lab

>> No.14683249
File: 73 KB, 500x500, Mfw.jpg [View same] [iqdb] [saucenao] [google]
14683249

>>14682234
>283 pages

>> No.14683250

>>14683234
Yes but integrating the wiring into a metal tube weighs less than the skirt and its nitrogen purging system.

>> No.14683251

>>14683224
>I desperately desperately want SLS to suceed
I am literally going to curse that rocket into RUD on ascent with chaos magick

>> No.14683254

>>14683220
>stans
You need to go back

>> No.14683260

>>14683254
>not finding that post funny
You have to go back

>> No.14683264
File: 58 KB, 616x766, D6A27FC2-906B-400F-9352-BE11D309067D.jpg [View same] [iqdb] [saucenao] [google]
14683264

Anyone else get worried about Falcon 9 launches? I always have a feeling something will go wrong idk how to describe it. No engine out during the stage 2 burn is scary

>> No.14683266

>>14683251
>SpaceX witches to blame for Artemis failure?
>see how Elon Musk inspired thousands of women to attack democracy

>> No.14683271

>>14683266
Witches lost their power when they traded their toads for cats

>> No.14683272

>>14683260
Nigger

>> No.14683277

>>14683266
>>14683251
We should psyop witches into thinking SLS is a monument to evil white Christian men so they get it hexed

>> No.14683286

So apparently the JWST follow up is supposed to be the same size but visual light

>> No.14683287

>>14683224
Breath of fresh air to hear opinions of a likeminded SLSupremacist
>>14683236
It's not supposed to. Have you been paying any attention?

>> No.14683289

>>14683277
The problem is that witchcraft is bogus, plus there are too many boomer christian engineers praying to God that SLS works (or at the very least, that they keep their jobs). Starship must be blessed by a bishop in order to obtain supreme divine favor over the space launch system

>> No.14683292

>>14683289
I pray to god whenever Falcon 9 launches no joke

>> No.14683299

>>14682234
This reads like some ESL arguing a passing grade from their professor, which I guess is what's happening here.

>> No.14683300

>>14683289
>>14683277
The path of the materialist unionism and blessings has left humanity dithering in the darkness, incapable of advancing on the paths of knowledge. Embracing the power of Autism reveals technology that the sycophants on Earth could never dream of wielding.

>> No.14683313

>>14683300
>dithering
/sfg/ signal filtering general

>> No.14683322

>>14683313
Random fact I learned from /sfg/ a while back but there is some weird principal in analog imagery where you can purposely increase noise and somehow end up with a sharper image

>> No.14683332
File: 1.51 MB, 3500x3500, 1637388896207.jpg [View same] [iqdb] [saucenao] [google]
14683332

I can't find any pics of the Soyuz rocket bottoms painted with the flowery designs by a Russian artist.

Any of ye anons have that saved?

>> No.14683342

>>14683332
https://3dnews.ru/assets/external/illustrations/2021/10/24/1052043/pro2.jpg
This?

>> No.14683353
File: 33 KB, 640x427, 1631223129002.jpg [View same] [iqdb] [saucenao] [google]
14683353

>>14683342
das it. well done anon!

They should adorn rockets like this more often.

>> No.14683357
File: 81 KB, 609x913, B363C0FA-1FD2-4D0C-816E-C21B43FADD7C.jpg [View same] [iqdb] [saucenao] [google]
14683357

>>14683332
For me, it’s Delta II with shark teeth

>> No.14683358

>>14683353
NP, more images of it can be found here
https://kosmosnews.fr/2021/10/23/lancement-progress-ms-18-assemblage-final-termine/

>> No.14683362
File: 162 KB, 800x1200, F0510C31-EAC0-432D-AB1C-A5D00459FD6C.jpg [View same] [iqdb] [saucenao] [google]
14683362

Kino

>> No.14683375
File: 398 KB, 1300x1104, 95741996_p0.png [View same] [iqdb] [saucenao] [google]
14683375

>>14683357
Yep based

>> No.14683385

>>14683357
>>14683362
Delta II was a fantastic rocket

>> No.14683386
File: 612 KB, 836x673, 20220720_183254.png [View same] [iqdb] [saucenao] [google]
14683386

Big window? Not happening. Common area? Not happening. Docking port on nose? Not happening. 1100m3 volume? Not happening. HLS? Cancelled.

>> No.14683389

why's it taking them so long to get to a static fire?

>> No.14683392

>>14683389
with raptor 2 they basically starting from square 1

>> No.14683402
File: 262 KB, 2173x1139, 1630435628422.jpg [View same] [iqdb] [saucenao] [google]
14683402

Soon.

>> No.14683406

>>14683386
>Common area? Not happening
starship WILL have a masterbaitorium and there is nothing you can do to stop it.

>> No.14683409
File: 2.36 MB, 334x251, IdleGreatHoopoe-size_restricted.gif [View same] [iqdb] [saucenao] [google]
14683409

>>14683386
>Looks like a tuned mass damper
Imagine the slosh dynamics.

>> No.14683417
File: 119 KB, 1080x1080, 3B86A783-81F2-4167-96FE-5DD94EC9AB04.jpg [View same] [iqdb] [saucenao] [google]
14683417

>>14683386
The big window was always retarded. It needs a B-17 flying fortress type window

>> No.14683426

>>14683417
just shut up before you say anything ever again

>> No.14683431

>>14683386
I don't think anybody knows what the double header tank configuration looks like but it's probably this right now.

>> No.14683462

>>14681980
Why on earth would you want huge regions of exposed glass in your O'Neill cylinder. Fucking death trap.

>> No.14683475

>>14681980
Bezos is well and truly delusional

>> No.14683485

>>14683386
crew rated starship wont be a thing until 2026 at the earliest

>> No.14683490
File: 448 KB, 1280x848, news-072022a-lg.jpg [View same] [iqdb] [saucenao] [google]
14683490

kinda cool. i bought the hotweels starman roadster back in the day. wonder if we'll get a nice set of rockets. when i was a kid i had a really cool set of toy rockets inluded delta ii and redstone

>> No.14683493

>>14683485
That’s still super soon desu. Elon is right though that there’s no launch escape system for re entry on every single spacecraft, so what makes launch itself any worse? Also all of NASA’s mars mission plans involve an ascent vehicle which doesn’t have a launch abort, so why is it ok on Mars but not Earth?
On that last point, most NASA manned Mars plans involve one or two EDL demonstrators for the crewed mars lander on Earth, then skip straight to landing the habitat or MAV. SpaceX might have hundreds of EDL simulation missions done by the time they try to even land cargo on mars

>> No.14683498
File: 416 KB, 1600x1600, 4002677E-0241-4D85-ABD1-1875FDA8BE4B.jpg [View same] [iqdb] [saucenao] [google]
14683498

Mattel has a decent amount of cool space toys

>> No.14683502

>>14683485
Crew rated or not, dearmoon is still scheduled for 2023.

>> No.14683504
File: 169 KB, 1500x1125, 8E480454-E076-4F4C-973A-95FDA4B78129.jpg [View same] [iqdb] [saucenao] [google]
14683504

>>14683498
You can tell these were made in the 90’s

>> No.14683527

>>14683504
God I remember having a toy Sojourner growing up as a kid. It even came with a little booklet that talked about Mars exploration and had those optimistic watercolors of men landing on Mars in like 2010.

>> No.14683555

>>14683386
What even is this?

>> No.14683567

Bros... Elon needs to start working out or he's going to have a fucking heart attack before starship even gets off the ground.

>> No.14683570

>>14683567
I hear aquarobics is pretty nice

>> No.14683575

>>14683555
hello new fren

>> No.14683576

>>14683567
only pussies die of heart attacks, unironically. only 12% of heart attacks kill

>> No.14683581

>>14683386
Virtually confirmed that they are going to stretch out Starship then. Especially since they keep making the LOX tanks bigger. Doesn't make sense to spend all this money and up with a system that has half the volume you expected it to because you won't stretch it out.

>> No.14683592

What is this double header tank meme?

>> No.14683593
File: 30 KB, 481x538, Filters.png [View same] [iqdb] [saucenao] [google]
14683593

>>14683592
>>14683386
yes where is this even coming from? Was there a update I missed?
>inb4 baited

>> No.14683595
File: 215 KB, 1170x1175, AS17-134-20384.jpg [View same] [iqdb] [saucenao] [google]
14683595

https://www.youtube.com/watch?v=k9GHJal-o1I

>> No.14683602

>>14683593
Combine the filters into one AAAAAAAAAAAAA

use | as separators

>> No.14683603

>>14683592
>>14683593
a CH4 header tank was spotted for the first time, and based on the attach points, the most logical placement is just beneath the oxygen header.

>> No.14683604

>>14683595
THE EAGLE JUST FLEW OVER MY HOUSE

>> No.14683606

>>14683567
Don't worry anon, he already uploaded his brain to the cloud
https://twitter.com/elonmusk/status/1549197098226171906

>> No.14683618

https://twitter.com/Free_Space/status/1549936843361325059

ULA plan is to separate the engine section for Vulcan, have it come down in parachute, have a helicopter catch that engine section mid air. (Ala RocketLabs)

>> No.14683628

>>14683618
They changed their mind. The new plan is to let the engines sit on the water and use the inflatable heatshield as a raft. Apparently this saves a lot of reuse money and means they just need to fly three times to break even instead of six like with the extra cost of the helicopter

>> No.14683632
File: 29 KB, 712x163, irene.png [View same] [iqdb] [saucenao] [google]
14683632

>>14683618
kek
honestly, if true and capable, not a bad deal.

>> No.14683644

>>14683628
it also kills less helicopter pilots

>> No.14683645

>>14683593
let me guess, /gif/?

>> No.14683647

>>14683632
and the chinkies will be ready to catch it
>>14683593
>no cuck filter

>> No.14683651

>>14683462
i dont think its glass, maybe is some kind of hyper heat/impact resistant polymer.

>> No.14683654

>>14683462
Because it looks cool

>> No.14683659

>>14683462
Because Bezos is well and truly delusional

>> No.14683662

>>14683628
>fly three times to break even instead of six like with the extra cost of the helicopter
So how will Rocket Lab do it if the total price of their rocket is 7.5 million? Someone is lying, probably the snake in chief

>> No.14683671
File: 1.96 MB, 1262x898, 535366571.png [View same] [iqdb] [saucenao] [google]
14683671

>> No.14683677

>>14683662
Why not both? They're both known liars. see entire Neutron reveal debacle

>> No.14683679

>>14683671
is this the same manga from the previous thread's jupiter drawings?

>> No.14683683 [DELETED] 

>>14683679
Miura managed to copy Juno's photos pretty closely

>> No.14683684

>>14683628
>inflatable heatshield as a raft.
The engines wont be too hot?

>> No.14683685

>>14683684
they will,it wont work

>> No.14683697

>>14681980
Honestly, if you could build structures like this successfully, them being reverting to a more dynasty and historical style of architecture throughout the lands for residency on two of the three petals and commercial districts taking up the third petal. All large scale industry would be moved entirely outside of the O'Neil Cylinder or would be moved underground and between the various layers that make up the landmasses deposited on top of the petals.

I hope we as a species survive long enough to achieve this future.

>> No.14683698
File: 1.04 MB, 1600x1138, oQAlrci.jpg [View same] [iqdb] [saucenao] [google]
14683698

>>14683683
murata

>> No.14683703

>>14682310
>second and third stages have strict vertical trajectories
>strict vertical trajectories
>when the earth spins
>and gravity ensures that movement under its influence is always parabolic

This faggot is a genuine retard.

>> No.14683710

>>14682310
>ecorocket
>uses hypergolic third stage

>> No.14683717
File: 214 KB, 1977x816, 4ASS Moon Shuttle.jpg [View same] [iqdb] [saucenao] [google]
14683717

At what mission stage would a base have need for some sort of flight vehicle to get shit from point to point without going into orbit?

>> No.14683726
File: 56 KB, 600x417, 1509794844669.jpg [View same] [iqdb] [saucenao] [google]
14683726

>>14683112
>How do we contain the muon?
Cats.

>> No.14683732
File: 58 KB, 300x300, 1619943834515.jpg [View same] [iqdb] [saucenao] [google]
14683732

>>14683362

>> No.14683734

>Some asshole decides to micromanage NASA with a rider on a "must-pass" Intel pork giveaway bill

https://spacenews.com/nasa-authorization-included-in-chips-act/

>> No.14683738
File: 306 KB, 1270x1150, da70m8d-e6597e09-54ce-46e7-ab35-3ec44c0e1cda.jpg [View same] [iqdb] [saucenao] [google]
14683738

>25 years
>still no real Mars exploration
>still no ability to dig more than 5cm into ground
bros it hurts

>> No.14683740

>>14683717
can pisslocks be achieved in a mobile form factor?

>> No.14683742

>>14683734
>The technology section of the bill backs continued development of space nuclear power and propulsion systems, “including in cargo missions to Mars in the late 2020’s and crewed missions to Mars in the 2030’s.”
Yeah looks like Elon's micromanaging NASA. How can we stop him bros?

>> No.14683743

>>14683717
I actually expect Starships to be used for this. Once large-scale colonization begins, there will be perhaps 10x as many unmanned supply Starships as there are manned vessels. The number returning to Earth will be a small fraction of those going to Mars, meaning an accumulation of perfectly functional Starship's on Mars. Since Starship already needs to be capable of taking off and landing from Mars, using these for point-to-point just makes logical sense.
I'd also add that you will have private ownership of Starships (leased or sold by SpaceX) and independent owner-operators competing for transport contracts. I will have my Martian tramp freighters, damnit.

>> No.14683744

>>14683742
Same way NASA was stopped every other time a congress critter got a bright idea watching TV

No money

>> No.14683746

>>14683734
> The bill extends NASA’s authorization to operate the ISS from September 2024 to September 2030
>The bill directs NASA to launch the SLS annually
> NASA would be required to have the larger Exploration Upper Stage ready by the Artemis 4 mission in 2027.
> One section directs the NSF to support research on mitigating the effect of satellite constellations on astronomy
I guess the silver lining is that this bill now requires, at a minimum, one HLS flight whereas the older version explicitly demanded a second option. Seems that’s no longer the case. But fuck me, everything else in this directive just holds the united states back to Mars in twenty-twenty-never

>> No.14683749
File: 136 KB, 1280x720, maxresdefault.jpg [View same] [iqdb] [saucenao] [google]
14683749

>>14682325
It literally is Kerbal tier.
https://www.youtube.com/watch?v=yhdrCxin7A0

>> No.14683759
File: 106 KB, 600x600, 600px-Луна-24_3_(24432633921)_cropped.jpg [View same] [iqdb] [saucenao] [google]
14683759

>>14683738
I still don't understand why nobody has build a Soviet style "plop and drill" return sampler yet. You could probably get it done for less than $50 million.

>> No.14683762

>>14683603
I don't get it, personally. If they moved the header tank to deal with them adding even more RVACs then why the fuck are you adding more RVACs? By all estimates, thrust isn't the problem here. Starship has more than enough, especially since the whole system hinges on refueling. So why add even more thrust that's just going to chew into your usable volume?

>> No.14683766

>>14683759
Better and easier to dig shallow in many places than to dig (not really very) deeply in just one. Martian Bulldozer is the answer.

>> No.14683769

>>14683759
That's China's proposed sample return

It's a complete joke

>> No.14683771

>>14683527
there was a construction site near my house and i'd go over there on saturdays and make sojurner drive through the red dirt

>> No.14683772

>>14683759
Chyna

>> No.14683773

>>14683762
The moar thrust argument was always bad, I suspect they're going to stretch the tanks and make Starship longer.

>> No.14683789

>>14683773
This is what bugged me about Estronauts interviews with Elon. They bring up adding more thrust several times, and Elon talks about having double the thrust at least twice and yet Estronaut never once asks why the fuck they keep laser focusing on the thrust. I thought I had a grasp of what they were doing with Starship until they stretched the LOX tank slightly and then added three more RVACs. Now I am just completely lost unless Elon announces in a few months that they're making a Starship 2.0 that's like 10 meters longer or some shit. Granted, I am not some big brained rocket nerd, so I am talking entirely out of my ass except for the fact that what they are doing seems (on the surface) to be completely counterintuitive.

>> No.14683795

>>14683789
>>14683773
Elon wants more thrust because it means higher TWR which means less gravity losses. Superheavy is very fat

>> No.14683810

>>14683789
Bumping up the thrust just a tiny bit results in significant performance gains.

>> No.14683829

>>14683810
not on a second stage when they already had plenty

>> No.14683832

>>14683795
>>14683810
I think you guys are really missing the point:
>Performance doesn't matter.
Starship has already gone well past where they initially intended. Remember, just back in February of this very year they were planning on using 3 RVACs and 3 sea-level engines on Starship. Then all of a sudden Elon adds three more RVACs. And this came after the change from Raptor 1 to Raptor 2 anyway. By all metrics, the amount of thrust that Starship has should completely outstrip the previously planned versions. And yet here we are with them still trying to add more thrust at the cost of the one thing that they actually need: volume.

Why keep eating into your volume? It doesn't matter if you can hurl a 200 ton object at Mars if you've only got half the volume you had when you could hurl a 125 ton object at Mars. Do you see what I am saying?

>> No.14683842

>>14683789
That was made confusing because Elon claimed you can never have too much thrust when he was actually referring to total impulse(thrust over the duration of the burn, the area under the thrust-time curve).
>>14683795
>>14683810
>gravity losses
It's not a linear relationship, too much thrust is at the expense of payload and they would delete engines if it got too high. The TWR of Starship of Raptor 1s was a bit underwhelming but obviously quite optimized for maximizing payload, the difference with more powerful engines would be marginal unless they stretched the tanks or the Starship stack is much heavier than estimated. Also (>>14683829)

>> No.14683849

Elon probably saw that Saturn vs. Starship comparison and decided if he was going to have the biggest space dick it should be bigger by dozens of meters

>> No.14683858

>>14683842
>or the Starship stack is much heavier than estimated

I think this is what is happening desu

>> No.14683859

>>14683849
That only happens if they make a new version of the vehicle that's significantly taller, and this in and of itself is sort of contrary to Elon's only talking out loud feelings about the size of Starship as it is (granted, he was talking about diameter, but the point still mostly remains).

>> No.14683862

>>14683832
90% of the Starship launches are going to be refuelling flights or Starlink, which are mass limited rather than volume limited. The ability of Starship to land on Mars is just a bonus feature.

>> No.14683865

>>14683842
>>14683858
>Starship stack is much heavier than estimated.
Feel free to call me a retard, but let's presume this is the case. Why add three RVACs then and not three sea-level engines? If weight is your concern, and the booster is already tossing your ass out deep then why add RVACs? I can absolutely see the weight being a real concern when it comes to landing the vehicle, but if that's what you're doing you'd want sea-level engines, no?

>> No.14683867

>>14683734
>>14683746
https://twitter.com/SpcPlcyOnline/status/1549984685371146240
>Requires that human lunar landing missions under the Program incl surface and in-space activities are carried out solely by government astronauts.
its fucking over

>> No.14683871

>>14683865
>>14683842
starship stages much lower in the atmosphere now so the stress on superheavy is reduced

>> No.14683872

Can we just get a non-sycophant to interview Musk and insist he gives a clear explanation on the subject?

>> No.14683873

>>14683867
that'll just eat a lawsuit and get thrown out
Elon's lawyers are very jewish, and the size of one's kippah is the only thing that matters in the mutt legal system

>> No.14683876

>>14683867
>government programs must use government astronauts
What's the problem here? You didn't actually think that NASA would let Elon just stuff whoever paid him the most on the HLS, did you?

>> No.14683879
File: 257 KB, 1600x900, 1154-cropped-closeup-1647458830.jpg [View same] [iqdb] [saucenao] [google]
14683879

>>14683738
>>14683759
Even better:
>billions on mars mission
>collect samples
>strew them about your path for a return mission that will never happen, pray they aren't buried (they will be)
>if it did happen, it will now need a $700 gorillion dollar robot to travel and collect and load samples
>into a massive self contained launch platform
>into SRB rocket
>into a free floating soccer ball
>into a satellite
>into a pod
>into deep space

Maybe the real sample were the contractors we met along the way

>> No.14683898

>>14683717
A fleet of 40 or so drones that can click together to be a super drone that can carry heavy stuff, if it's not strong enough make it 100 drones

>> No.14683904

>>14683865
>Why add three RVACs then and not three sea-level engines?
That's most perplexing part because it also negates the gravity losses argument and the argument that a higher TWR would lower propellant costs. I've posited that the additional engines are for some type of launch abort function but previously Musk implied that the fireball would happen so fast that Starship couldn't fly away from it in time, only withstand it.

>> No.14683911

>>14683743
Serious solution for fueling up on mars?

Or is the scifi fantasyists dreams of grandeur really the best hope, of 'bro just go to the ice caps or break off some rocks and put it in your matter to fuel converter machine, yea just take the oxygen and hydrogen out of the rocks while your at it to make water

>> No.14683916

>>14683743
Has any space ship traveled as far as a proposed mars mission with as big of a tank of fuel on board?

Is there any physics fears about pressures or belts or ospheres

>> No.14683935

>>14683911
There are plenty or realistic solutions that only require adaptations of existing machinery, but judging by the tone of your post you are just being a faggot.

>> No.14683947
File: 24 KB, 335x236, ISRU-Zubrin-1990.jpg [View same] [iqdb] [saucenao] [google]
14683947

>>14683911
It's that easy in in-situ resource utilization.

>> No.14683958

>>14683766
A real thin drill 40 or so feet tall, 12 inch diameter or so, drill down and capture the material like an oil dip stick, a rover robot would need to stabilize it's legs in the ground some how, or I geuss big drill experiments to see what some cross section is like will wait for manned mission.

The mars rovers collected samples and chemically analyzed it onboard?

>> No.14683986

>>14682234
Odinbros.. we're coming back

>> No.14683988
File: 1.42 MB, 1037x748, nigrig.png [View same] [iqdb] [saucenao] [google]
14683988

>>14683738
>>14683879
That'll be 20 billion plus tip

Trips and Elon will modify a Tesla like this and land it in 2024, live.

>>14683958
I don't think you realize how fuckhuge that would be

>> No.14683995

>Dec 18, 2021
>The ship is just begging for three more vacuum engines to be added. Tanks will stretch for more propellant load.
https://twitter.com/elonmusk/status/1472060261309759488

So why is he now being so coy about idea and possibly getting Estronaut to run interference? Will a larger Starship spark another fight with the FAA?

>> No.14684003

>>14683988
>I don't think you realize how fuckhuge that would be

the drill bit would be in multiple parts just like every single drilling machine on the face of the planet today retard.

>> No.14684021

>>14684003
y so mean :(

>> No.14684029

>>14683988
>I don't think you realize how fuckhuge that would be
The drill can be folded up.

>> No.14684098

>>14683995
Gwynne probably told him no because it would cost too much

>> No.14684178

>>14683879
The fetch rover has been eliminated from MSR.
https://www.bbc.com/news/science-environment-62234196

>> No.14684185

>>14682045
Ares V
>used non-reusable RS-68s that were in production
>had payload capacity ~50% higher than Saturn 5
>nothing was even close to its capabilities at its time
SLS
>uses reusable engines in non-reusable rocket
>engines that are not in production and never will be again
>payload capacity lower than 100t, need two of them to even do Apollo reenactment
>1-2 Falcon Heavies could do the same job for 1/100th the cost (even if you were to ignore Starship)

it still would have been overpriced, non-reusable vanity project, but at least it was marginally better that Saturn 5 and theoretically somewhat sustainable as a launch vehicle, rather than as an excuse for perpetual corporate welfare for zero results

>> No.14684200

>>14684185
Ares V had 188 tons to LEO it was a beast. The issue was that using the RS-68s sucked because they had lower isp and awful TWR compared to the SSME (50% more thrust at 3X the weight), but moreso that they melted when next to the SRB’s, and fixing their nozzle to regenerative would’ve been expensive. Maybe better in the long term.
The best scenario is one where Ares V is built with SSMEs, but the SSMEs are recovered via SMART reuse
Final fun fact: a lot of Shuttle-C designs had the engines and avionics carry the payload to orbit (like a regular shuttle) then detach, deorbit, and land for reuse

>> No.14684211

>>14684178
I wonder how many months of science they will lose sending the rover to the MSR lander

>> No.14684248

>>14684211
Well the alternative is just to take samples immediately around the return vehicle. Which would certainly be worse in terms of scientific return.

>> No.14684255

>>14684185
SLS's main failing with respect to AV is the fact that it has an anaemic upper-stage with not enough thrust. J2X would be more than an order of magnitude higher thrust than RL10.

>> No.14684295

>>14684178
fucks sake, what stupid idea. let some europeans test their first mars helicopter as part of a CRITICAL mission component. just give another billion to JPL, at least we know theyre capable of doing it. i dont fucking trust europoors to do it im sorry, it will fail in transit

>> No.14684303

>>14683867
>>14683873
>>14683876
it's a nothing burger
private lunar expeditions will want something much cheaper and less convoluted than the artemis architecture anyway

>> No.14684338

Helga, Zohar, Commander Moonnequin Campos, the first crew Orion

>> No.14684423

>>14683876
Why not? He did that with Dragon.

>> No.14684424

>>14682320
>KSP asparagus staging doesn't work in real life holy shit
It does, just need to come up with a fitting that can flow tons per second and completely seal near instantly when disconnected. We already have this at tons per minute with aerial refueling so we are only a single order of magnitude off.
Catch is it's just an extra level of complexity that requires lots of smaller tanks instead of a single larger tank so economics and mass fraction play a huge role.

>> No.14684426

>>14684295
None of the European missions have failed in transit, only landing. Which they won't be doing.

>> No.14684427

>>14684098
Or maybe that they need worry about getting starlink 2s up first since they'll have plenty of time before they need to work on their HLS contract

>> No.14684447

>SpaceX is up to at least Raptor 106

>> No.14684470

feels like bezos gave up

>> No.14684501

>>14684178
>The fetch rover has been eliminated from MSR
About time. NASA's insistence on one has been one of the major bottlenecks of MSR since the 80s due to the added complexity and costs associated. I wonder what it was that made them finally simplify the plan they've been stubbornly holding on to for so long

>> No.14684521
File: 46 KB, 1014x456, Orbital Ascender airship.jpg [View same] [iqdb] [saucenao] [google]
14684521

soon...

>> No.14684530

>>14683710
It's beyond the environment

>> No.14684534

>>14683759
The soviet lunar sample collectors were so ingeniously simple
>land
>single hinge drill
>drills into soft ground
>deposit into reentry capsule
>direct ascent into a reentry Earth orbit

>> No.14684544
File: 15 KB, 516x458, Oppy and Ingie.png [View same] [iqdb] [saucenao] [google]
14684544

>>14684295
Anon, Ingenuity was a test in a critical mission component. How is this any different?

>> No.14684548

>>14684530
>60 km

>> No.14684594

>>14684548
There's nothing out there. All there is is space and gas and dust, and 20,000 tons of hypergolic fuel.

>> No.14684642

>>14681942
Aliens are not hostile. If they were hostile then we would already be dead or enslaved. This can effectively be taken as fact. The only way this could potentially not be true is if aliens have evolved to the point we have at pretty much the same point we have. And that this is true of every single alien species out there. The chance of that is virtually zero and it can be dismissed as an impossibility for all practical purposes.

>> No.14684644

>>14683832
it's all about refueling

>> No.14684648

>>14683904
>That's most perplexing part because it also negates the gravity losses argument and the argument that a higher TWR would lower propellant costs.
confirmed retard. all nine engines fire at stage sep

>> No.14684665

>>14684644
>>14684648
What are you talking about? It doesn't matter what engines fire, they're firing after stage separation where gravity losses are low whereas more sea level engines could conceivably be used for landing but Starship is already overpowered for that with 3 230tf engines. Increasing the TWR of an already high TWR upper stage by 2.55x doesn't help with refueling, you actual fucking retard.

>> No.14684673

>>14684665
>stage separation where gravity losses are low
wrong
>Increasing the TWR of an already high TWR upper stage by 2.55x doesn't help with refueling
it does with stretched tanks because fuel as payload is not volume limited but mass limited

>> No.14684678

>>14683593
>not using 4chanx
I shiggy diggy

>> No.14684679

>>14684665
I meant the thrust of the vacuum engines is increased by 2.55x, not the TWR. Part of that is the switch to Raptor 2
>>14684673
>it does with stretched tanks
That's my claim, you imbecile, that they're gearing up to stretch the tanks because otherwise the extra thrust wouldn't be justified

>> No.14684721

Okay very basic bitch question here, but I feel less embarrassed about asking it because it’s obvious that half the users in this general don’t understand optimizing your first stage for thrust.
I don’t play KSP. I know it’s haram but I don’t. But if I had 2 ships right next to eachother: both with the exact same fuel tank, but one of them had one vac engine and the other had three vac engines, what would happen if I fired them? Would the one with three engines reach the destination in exactly 1/3 the time at the cost of burning fuel exactly 3x more rapidly? Or is it less efficient? Or more efficient?

>> No.14684754

>>14684721
3 engines give you higher twr, but ultimately result in a lower dv because of the increased mass.

What is the destination in this case?
If it's like a drag race running the engines all the way horizontally with no intertial cruising the multi-engine variant would be faster, but that's a pretty useless metric for a rocket.

More engines can be more efficient when launching from the ground, but it's not that important when starting from, say LEO

>> No.14684758

>>14684721
>Would the one with three engines reach the destination in exactly 1/3 the time at the cost of burning fuel exactly 3x more rapidly? Or is it less efficient? Or more efficient?
If they already are in orbit having three vac engines will only make you burn the fuel faster while getting less delta V because of extra mass of the other two engines. You won't get to the destination faster, you might not even reach it now because of the loss in delta V.

>> No.14684774

>>14684754
>>14684758
I am dumb and didn’t even consider the extra mass. Thanks anons. I guess I have to ask wtf the benefit would be of adding more vacraps to SS then

>> No.14684783

>>14681980
If you entered the end of a spinning habitat slightly above the ground wouldn't you just sit there, floating above the floor while experiencing wind as the inside of it rotated around you?

>> No.14684788
File: 1.78 MB, 1167x1047, 1656186228539.png [View same] [iqdb] [saucenao] [google]
14684788

>b7 is getting scrapped
>b8 will be used for orbital launch
>stage zero suffered significant damage
>first orbital launch is now NET October
https://twitter.com/DutchSatellites/status/1549668274580905984

>> No.14684789

>>14684774
Starship fires way before it reaches orbit and still experience significant gravity loss. The extra thrust from three more engines lessen gravity loss which probably justifies the extra mass.

>> No.14684814

>>14684789
also if the thrust is too low you either loose a lot of efficiency as you have to burn over a long stretch of orbit instead of at essentially a single point, or you have to waste a lot of time doing it over multiple passes

>> No.14684820

>>14684789
I guess that’s because you can only optimize SH so much. At some point (I imagine) it becomes untenable to fire Super Heavy any stronger/longer because then you have way too much energy that needs to bleed off if you ever want to try and land it back at the launch site. I.e. if you take it too high it might burn up. Again this is just an assumption but are they trying to find that sweet spot where SS can make up the rest of the gravity losses after stage sep but still have enough fuel to lug more engines?

>> No.14684826

>>14683060
>absolutely no one mentions how Falcon 9's 1st stage flies a much more demanding profile than Superheavy will
Disappointed.

>> No.14684862

>>14684721
Isp would be unchanged in a vacuum because that's engine specific, but in atmosphere three engines could be more efficient than one if they delivered more impulse at a higher attitude and that could lead to more delta-v or a higher payload. It could also have fewer gravity losses which decreases the delta-v needed to reach orbit but that must be balanced with drag, g-loading, and of course mass. It's not that anyone is saying that a stage shouldn't be optimized, it's more that it was assumed to be already optimized so increasing the thrust per engine by 28% without removing engines to reduce mass is confusing. It's even more confusing to then add engines when the space to fit more was open the whole time.
>>14684789
Source? The most high performing upper stages actually have a low TWR and a long burn time, they tend to go higher in space before dropping closer to the Earth and circularizing. 3+3 engine Starship would have a much higher TWR than most of its counterparts even adjusting for the earlier staging and shutting down SL engines as it continues.

>> No.14684877

>>14684788
Clearly this is sabotage by the FAA so it launches after SLS, right my fellow schizobros??

>> No.14684886

L2 pretty much agrees that B7 is done and orbital flight is NET October. SpaceX wants to be more careful so they’ll go a bit slower and also the launch ring was damaged a bit

>> No.14684897

>>14684862
>Source?
NTA, but Starship has to stage early because Super Heavy has to do the RTLS maneuver. Even earlier than a Falcon 9 RTLS to reduce heating loads IIRC.

>> No.14684912

>>14684886
>spacex will start going slower and being more careful
and the NASAification of spacex continues. by the end of the decade you'll have to go through years of meetings and risk analysis before an idea gets approved.

>> No.14684937

>>14684783
yes but only if the door you entered through was not rotating with the habitat.
if you had a jet pack in an oneill cylinder you could go in the opposite direction of rotation and then just float freely right above the ground until the wind accelerates you back.

>> No.14684944

>>14684783
How do you simply "enter" the end without first matching its rotational speed, other than "down" from the hub?

>> No.14684951

>>14684944
It's open. Like a paper towel tube.

>> No.14684955

>>14684912
They don’t want to nuke Stage Zero, anon

>> No.14684957

>>14684951
Open to what, the vacuum of space? Whatever "door" you come in from has to be counter-rotating relative to the "ground".

>> No.14684959

>>14684957
>Open to what, the vacuum of space?
Yes.

>> No.14684966

i dunno guys now that dumitru turned his meme pdf into a slideshow i'm kinda tempted to buy his shittoken
https://invidious.namazso.eu/watch?v=z4edxgmumxo

>> No.14684969

>>14684897
Sure, hence why the TWR for Starship is higher than the second stage of Falcon 9, and both are much higher than Centaur which IIRC is only around 0.3. My point is that a stage like Centaur, despite its great performance, can have relatively high gravity losses because it gets lofted high into space and it has a long duration burn so it starts losing attitude before it is completed, literally falling towards Earth. Starship cannot have such high losses, it will stage early at a high TWR and have so much thrust as it approaches apogee that it may have to shut down or throttle even vacuum engines to reduce g-forces and get an accurate insertion.

>> No.14684991

>>14684957
Some designs have sealed ends with docking ports on the center axis so you simply match the rotation to dock.
Others have walls extending most of the way up with open centers, the idea is the artificial gravity stops it escaping. What I don't get with this design is how you fill it, seems to me a fuckload of gasses would be lost to the vacuum before enough started moving with the cylinder for the gravity to effect it. I guess you could have a temporary seal for filling or if you are building a big enough cylinder for gravity to hold gasses in the first place losing hundreds of tons might be negligible

>> No.14684998
File: 24 KB, 609x231, Screenshot 2022-07-21 162145.png [View same] [iqdb] [saucenao] [google]
14684998

>>14684788
>Do we have a source on this?
>My uncle works at SpaceX

>> No.14685034

https://invidious.namazso.eu/watch?v=Xr7ChBYU4Fo
GUYS HOW EXCITING IS THIS COME ON

>> No.14685057

>>14685034
What the flying fuck is invidious.namazso?

>> No.14685066

>>14685057
invidious is an open-source alternate youtube frontend. i like it because i'm an autist who can't use the actual youtube site without seething these days.

>> No.14685068

>>14685057
invidious is like nitter but for jewtube, namazso is just the instance name

>> No.14685074

>>14685066
>>14685068
Thanks

>> No.14685101

>>14683260
It's gay and so are you

>> No.14685109

>>14685066
Does this mean I can watch a video without giving the channel any (you)s?

>> No.14685114

spacewalk
https://youtu.be/21X5lGlDOfg

>> No.14685128

>>14684788
>stage zero
I hate this term when it isn't used to refer to everything on the ground, just say the launch stand was damaged.

>> No.14685140
File: 1.78 MB, 426x240, AMi Exploration Mission Profile-z4edxgmumxo.webm [View same] [iqdb] [saucenao] [google]
14685140

>>14685109
not only that, you can directly download the video in webm format and paste it straight to /sfg/

>> No.14685144

whats the point of going to space

>> No.14685146

>>14685144
Space isn't real, retard

>> No.14685150

>>14685144
Getting away from accursed e*rfers

>> No.14685157

>>14685144
there isn't one, so stay on earth where you belong.

>> No.14685160

>>14685144
women will find you more attractive

>> No.14685167
File: 984 KB, 2327x2980, Caspar_David_Friedrich_-_Wanderer_above_the_sea_of_fog.jpg [View same] [iqdb] [saucenao] [google]
14685167

>>14685144

>> No.14685183
File: 17 KB, 575x414, C03D5F63-15F7-412C-AAEA-5485C55AECA8.gif [View same] [iqdb] [saucenao] [google]
14685183

>> No.14685185

page 10, staging...
>>14685184
>>14685184
>>14685184
>>14685184

>> No.14685188

>>14685140
There won't be a water heater left in Europe after the Arca crew has gone scrounging for parts for that piece of shit.

>> No.14685194

>>14685167
I saw this drawn on a wall at the Jungfraujoch recently

>> No.14685282

>>14684937
if it was a slowly rotating cylinder, could you just drive some motorised vehicle counterspinwise, then jump off and float?

>> No.14685495

>>14682107
> Do note that in the past, there were plans to use SSMEs on proto-SLS vehicles, but to have them be recovered like SMART reuse. Why NASA didn’t do this for SLS is beyond me

It makes sense if you remember the objectives of the SLS program.

>> No.14685536

>>14682231
Delays and the attendant cost overruns are a feature. Imagine throwing away tens of billions of guaranteed profits.

>> No.14685577

>>14684544
wrong. it was a tech demo and was expected to die in about a month. it was absolutely not needed for anything critical

>> No.14685584
File: 544 KB, 750x500, 1651732833393.jpg [View same] [iqdb] [saucenao] [google]
14685584

>>14683342
>>14683332
>what is an image board?

>> No.14685615

>>14684788
And this was obvious

>> No.14685617
File: 192 KB, 1075x741, 1658381281829.png [View same] [iqdb] [saucenao] [google]
14685617

>>14683386
>>14683581
>>14683485
What do I keep telling you people? From day one, Starship has been intended for launching and maintaining massive constellations of satellites. Human rated Starship is an afterthought, if at all.

Terms to pay attention to:
>Proliferated Low Earth Orbit (pLEO)
>National Defense Space Architecture (NDSA)

https://www.sda.mil/home/about-us/faq/#

>> No.14685631

>>14683567
Rich as he is, he could pay a full time nutritionist and chef to control every morsel of food that enters his mouth, and lose weight effortlessly. Rich fat people either DGAF, or are too obstinate or impulsive to obey their nutritionist.

>> No.14685657

>>14685034
I aint clickin that shit nigga

>> No.14685671
File: 112 KB, 683x1024, 1645456369392.jpg [View same] [iqdb] [saucenao] [google]
14685671

>>14684470
100%, he stopped giving a fuck a while ago. All he cares about now is a hedonistic life of yachting with his goblina. He's effectively retired and checked out from everything else.

>> No.14685699
File: 347 KB, 1918x1168, ElonSkinnDipping.jpg [View same] [iqdb] [saucenao] [google]
14685699

>>14685671
who is this muscly hunk

>> No.14685944

>Spacewalk
>Starlink
>Starship testing
>all right now
aaaaaaa

>> No.14686166

>>14683227
What album?

>> No.14686309

What do we expect to learn from the SLS SRB test fire?

>> No.14686330

>>14686166
King Gizzard & The Lizard Wizard - Infest the Rats' Nest
Lyrics are from Perihelion.

>> No.14686521

>>14682822
I prefer Highway Star.
https://www.youtube.com/watch?v=hCyGIJl1XUA