/sci/ - Science & Math

SpaceX is over. How can anyone believe anything other than this after the recent failure is beyond me.

Wait so how many engines is SH supposed to have? Looking at how Starship (upperstage) holds raptors I can’t imagine them being able to squeeze any more than like, 10, assuming it’s a 9m diameter

>>12667105
I think the original version was 31 but with improvements to the engine it's down to 28.

>>12667105
900

>>12667105
I think the current number is 28. The only engines that throttle and gimbal are the ones in the center, the rest are on-off engines around the rim packed in as tight as possible.

Does someone have that engine layout chart that shows the layouts of various numbers of engines for rockets?

>>12667111
>>12667116
Bruh how the hell is he going to get 28 engines that close? I remember seeing that chart a while back. There are a few options for layout. It just seems difficult to pack them in that tight without problems (even if they aren’t gimbaling)

>>12667124
just enable part clipping bro

>>12667124
How many 1.3 meter circles fit in a 9 meter circle

>>12667124
There's nothing limiting them to 9m width.
They can just make the base larger.

>>12667089
I just wanna say Thank you Trump for ensuring the US space dominance by supporting micro nuclear in your last days in office.
Hopefully biden doesn't fuck it up
https://trumpwhitehouse.archives.gov/presidential-actions/executive-order-promoting-small-modular-reactors-national-defense-space-exploration/

>>12667148
Biden has already issued a new order about small nuclear reactors framing it as necessary to combat climate change, so I think we're safe for now.

>>12667124
Very carefully. Doing it in engine blocks where the outer rings of engines are clustered together using common plumbing and then connected to the rocket using a simplified connection is probably a way to do it. If an engine in a cluster goes bad, it gets flagged and when the rocket lands they can just pull the bad cluster, install a spare, and fly again.

Seriously though if someone has that engine chart could you please post it?

>>12667135
Yeah I looked up some concepts on twitter and they fit. It’s just hard to imagine while looking at SS ass-shots because the skirt hangs out and it makes it look smaller.
>>12667129
Unironically the only way to play ksp

POP IT

>>12667034
>either that or something with the pluming the fuel
Its that.
Rockets have only ignited when upright, and gravity keeps fuel at the bottom of the tank. The exception is a 2nd stage in orbit, but they use helium to keep it together because the fuel becomes weightless in orbit.
The huge problem with both SN8 and SN9 is that the heavy fuel is being pulled "down" against the side of the fuel tank when starship is horizontal. This makes it awkward to keep fuel going to the raptors while trying to relight.
"Why not light earlier?" Raptors pull a LOT of fuel when actually generating thrust as opposed to firing up. If you attempt to ignite early, and both raptors spool up, they can choke out the little bit of pressure that does exist to get them going. Not to mention that when SS is horizontal, thrust makes it move laterally, which isn't wanted.
"Ok, light 3 raptors then." Three points of failure as opposed to only 2. Plus, that is 50% more fuel required to attempt relight. You're backtracking into the previous issue here.
This is why they are doing real-live testing. There is no data or experience out there for what SpaceX is attempting. They can do the math and maybe some minor simulating, but much like the landing of the Falcon9, they have to try it first and collect data so they can really start putting the puzzle together.
The flip maneuver is actually quite sensitive to thrust made by the raptors. SN8 had both raptors reignite, flipped properly, then lost fuel pressure on the way down. SN9 only had one raptor properly ignite, so when the pre-programmed maneuver executed, there wasn't enough raptor thrust to balance out the flip. Hence the last-second photo of SN9 doing its banana-peel slip. It kept rotating.

>>12667212
Why not put the pipe on the side of the tank?
If the issue then is that it would fuck up fuel flow once upright then just make the pipe widened in along one axis.

>>12667089
>>12667196
good insight on the issue with SN8 and SN9

https://twitter.com/elonmusk/status/1357422126161145856
>It was foolish of us not to start 3 engines & immediately shut down 1, as 2 are needed to land

>>12667230
Because the Methane header tank is also the bottom of the main Methane tank with the downcomer. Its literally a ball-tank with valves at the bottom of the main tank. When operating in main tank mode the valves are open and fuel is drawn from the main tank, through the valves, through the header tank, and then through the downcomer into the engines.
When operating in header mode, those valves are closed.
The LOX header pipe is already on the side of the rocket.

Seems like we might get a 3 engine landing sequence next.

hopefully SN10 will light three engines on landing

>>12667246
>we were too dumb
goddamnit Elon

SN7.2's defrosting now.

I can't imagine it's worth trying to pop if it's sprung a leak on the side, so maybe they'll haul it back to the workshop, patch up that weld, then try again. Or maybe that's the failure they expected anyway.

>>12667240
>https://twitter.com/elonmusk/status/1357422126161145856
Yeah they were getting a bad case of go fever and large heads. Hopefully this is a reminder that the moment you get cocky is the moment it goes wrong.
Though it is refreshing to have a company just come out and say what they are thinking.

>>12667257
It supposedly went past 9.2 bar, what's the point of welding it shut and throwing it up again?

>>12667270
"supposedly"

>>12667270
Everyone who speculates about test tank pressures are idiots. There's no way to know.

>>12667270
jesus, that's stronger than the 4mm popper tanks

>>12667270
Gonna need sauce on that 9.2 claim.

>>12667271
>>12667272
According to chatter on the local air waves. Take it for what you will.
That's why I used "supposedly".

nice

>>12667270
Probably gives them insight to things like "well what if Starship spring a leak on Mars? Could we weld it back together and could it hold just as much pressure?"

>>12667270
>I am avenged

>>12667282
It's never going to hold that amount of pressure anyway, so it's pointless.

>>12667281
What if two engines don't light tho? At that point I guess you are just an unlucky man and you are going to meet your fate

>>12667287
Fuck off, Shuttle engineer

>>12667270
Find the destructive limit for this tank thickness, compare it to the desired safety margin, reduce thickness by that ratio, carry more fuel instead of steel.

>>12667290
I always put emergency parachutes on my crafts in KSP, even the planes.

>>12667298
it looks ugly though, if you're only carrying one or two kerbals you can just have them use their own parachutes

>>12667290
Then Raptors are shit and shouldn't be flying yet. However, if this Raptor failure mode is common, then having just one of three fail would mean that the failed engine could be inspected upon landing to help resolve the issue.

>>12667302
Raptors are still pretty early in development, nobody should be surprised that they are failing.

>>12667300
>first time fucking with space planes in KSP
>build X1 style rocket plane that gottagofast
>loose control at like mach 2.5
>able to get one Kerbal out and parachuting
>switch back to co pilot
>he's passed out from g forces as the plane is flipping end over end towards the ground
>switch back to pilot and watch as the doomed plane flies into the ground at mach 1 while spinning wildly with the co pilot still aboard

God I love KSP

>>12667300
Good luck making your way to the exit among a crowd of other panicked people in a tumbling Starship so you can jump out.
Then again there's not exactly a lot of time for chute deployment between failed relight and fiery death either.

>>12667314
make sure you always do your rocketplane tests in the upper atmosphere, anon

>>12667318
Just jump at the last second bro.

>>12667281
I don’t see why they can’t land on one engine, it’ll have more than enough thrust to be greater than 1 TWR

>>12667326
They will. They're just going to use multiple to flip.

>>12667101
>the recent failure
What recent failure? The SN9 was largely a success

>>12667336
Arguably less successful than SN8

>>12667260
>Though it is refreshing to have a company just come out and say what they are thinking.
Maybe a large company? We say what we're thinking all the time.

>>12667101
This is what the elites what you to believe

>>12667333
No they’ll be landing on 2 but still they need a flight profile that allows them to land on 1

>>12667148
>>12667152
I don't trust biden at all, we need to get as much done as possible in this year

>>12667250
Kek

>>12667212
Would it be insane to use a piston tank? Like a cylindrical tank, with a piston in the middle and pressurant gas on top. The liquid at the bottom would never have a chance to slosh

>>12667326
Two gives you better control during the initial deceleration and flip. They will likely switch to 1 once they are sure the thing is going to land safely.

>>12665205
classic /sfg/

>>12667348
Landing with two is a bit more efficient than landing with one. (It's basically because gravity drag, but operating with signs reversed to what we're used to: slowing the vehicle going down, as opposed to speeding it up going up.)

I'd have to actually do the maths to figure out what the penalty would be, and whether that could be material or if existing margins should cover it.

>>12667340
I would definitely argue otherwise

>>12667281
It was kind of as dumb as MCAS only using one pitot tube when there were always at least two.
Sometimes you just get blind spots in your thinking, but knowing one engine was just dead weight that could have been redundancy bothered me even before the SN9 flight. At least it's basically just a software change.

>>12667287
It helps a lot for your equipment to be able to handle conditions harsher than what they’re intended to be exposed to, especially when there’s little cost involved

>>12667381
I think boeing just had too much faith in the pilots. No western pilot would have crashed due to the mcas issue

>>12667401
>Boing
>Trust

KEK

>>12667446
SPACE PIRATES

>>12667446
that's hilarious

>>12667430
I could give less of a shit about boeing but its retarded to not adresse the elephant in the room where the 2 crashes had pilots who couldn't react in an emergency

>>12667446
>actual pirates of the Caribbean
kek

>>12667446
If you don’t pick a date then no one can make fun of you

I find it interesting that the past three days have seen the Biden administration being put to the test over their commitment to Trump space policies. Maybe space is becoming more important to the average person?

https://www.nasa.gov/press-release/nasa-selects-firefly-aerospace-for-artemis-commercial-moon-delivery-in-2023
>Blue Ghost
Blue Balls 2: Firefly Boogaloo

>>12667446
>these guys are legit
based

>>12667472
where are the balls

>>12667446
Where is it supposed to be launched from?

>>12667446

fuck, it's not going to work when they send it out there is it?

>>12667472
Firefly has a lunar lander program too?

>>12667471
no, but space is becoming more important to the pentagon

>>12667401
It didn't help that MCAS officially did not exist because they wanted MAX on the same type certification as regular 737.
The MURRICAN pilots knew what was up through the grapevine, and a culture of caring about how planes work instead of just being a glorified clock-puncher. The brown people not so much.

>>12667446
Based piratechads putting an 8 billion dollars project at stake by simply existing

>>12667446
How much do you think you could ransom JWST for? Pretty sure they would pull out a cool couple of billion to get it back.

>>12667471
I'm 99% confident they went and looked up some polling about how the general public feels about space after the backlash from the space force comment. I think the average person (not on twitter—Seth Rogan doesn't speak for Americans) cares about space goals and cool new technologies. Most people think "it's the future now, we have gene editing and self-driving cars so where are the space stations?"

from the other thread
>>12666320
"error detected, to deploy parachutes please show bob and/or vagene"

also lol someone got angry that i shitted on the troops. like always this generation cant go 2 seconds without running to its momma, its delicious to know how much stronger i am

>>12667446
Psst, pirates, I heard there's going to be a big item sailing from Missisipi to Florida sometime in the second half of the year (maybe), and that, where this item is concerned, money is no object for its owners.

Is the final design going to use 3 engines to land? I would presume they are using a mass simulator inside the nosecone.
If not why even have three engines other than redundancy?
Perhaps the third engine could be for Mars, but will they even need the sea level engines on Mars?

>>12667446
this would be infinitely more hilarious than it RUDing on the pad

>>12667520
>Florida
French Guiana spaceport. I don't think the Gulf Pirates are what is worrying them. Anyway, I wonder why won't they simply escort them with some LCS? Are they afraid of navy commanders crashing into the JWST ship?

>>12667446
>Inb4 this piece of shit gets a carrier battle group escort

>>12667498
True

>>12667525
yes, sea level engines are easier to gimbal around than the vacuum engines are, and take up much less space
the nosecone IS the mass simulator, I think
they need three engines to lift Starship when it's fueled for these slow flights

>>12667101
Low effort

>>12667534
It's a better use of their time than dropping bombs on random goatfuckers half a world away.

>>12667446
>Implying autists won't be monitoring the port 24/7

>>12667446
Some madman should steal a small cargo ship and ram the JWST barge. Literally nothing they could do to stop even a 10,000 ton bulker. Go down in history, claim that you did it because JWST might reveal God or something.

>>12667517
what space force comment?

>>12667462
>>12667476
>>12667502
The JUST telescope

>>12667550
Please make this happen

>>12667550
gonna use my GME gains just for this

>>12667553
the whitehouse lady made some snide comment about the spaceforce when asked if the Biden admin would consider merging it back in with the airforce and a bunch of republicans (rightfully) flipped their shit. She pretty much immediately walked it back (did not apologize though) and made a bunch of comments about how much she likes space and wants to tell her daughter about space shit or whatever. She's the whitehouse PR so it's 100% a data-driven face she's putting on meaning they have some internal metrics that say space is popular and people want more of it.

>>12667537
Good point about the gimbaling.

I know the nosecone adds considerable weight to the front but I would imagine it still needs a mass simulator inside because the real thing won't just be a hollow shell when it lands. Maybe they just don't care about that at this stage of testing though.
And yea I know it needs three engines to get off the ground for these hops, but finished Starship likely won't ever be launching from Earth without Superheavy.

SpaceX says its Starlink satellite internet service now has over 10,000 users
https://www.cnbc.com/2021/02/04/spacex-starlink-satellite-internet-service-has-over-10000-users.html

10k? Fewer than I imagined.

>>12667525
Unless they are doing point to point on Earth then there would never be a payload in the nose cone for landing

>>12667574
they have a weight at the front, it's called the liquid oxygen header tank
it will absolutely be a hollow shell 99% of the time when it lands

>>12667550
Not even that.
Just say it's a warning to all drawn out and expensive space programs.

>>12667585
Space station resupply needs downmass
satellite recovery needs downmass
Mars landing needs downmass
all crewed variants require downmass

>>12667582
million bucks a month

>>12667446
A couple half-trained dudes with ARs could deter anything called "piracy" today, it only exists because of cheapskates

https://www.nasa.gov/press-release/nasa-awards-launch-services-contract-for-spherex-astrophysics-mission
Another NASA contract, this one to launch the SPHEREx near-infrared telescope on a Falcon 9 from Vandy in 2024.

>>12667596
Plus the $500 hardware fee.

>>12667582
Coverage is pretty limited with an individual Starlink satellite, they will need A LOT of satellites to provide worldwide coverage.

>>12667585
>>12667586
If it's crewed there will be all the internal walls and floors, plus life support equipment and all kinds of other daily equipment. Not to mention the crew itself.
Are they planning on moving the top header tank below for the final design?

>>12667612
they lose $1500 on those

>>12667606
actually it's because of cowards who are afraid of guns
or maybe they believe that using guns to defend yourself or your property makes you evil

>>12667618
not really. 940km radius area per. kinda huge actually.
throughput is the issue

>>12667619
the top header might move down on the crewed versions but not on the cargo or tanker versions
>>12667620
I think that estimate is too conservative, they're losing less than that

>>12667619
>all that sits between you and hard vacuum is 3mm of steel
kinda sketch ngl

>>12667582
Do the bricks come with the antenna

>>12667629
Wear a face mask and divers suit

>>12667566
why haven't GME gains been funneled in to 4ASS yet?

>>12667629
meh, the only thing between me and an actual explosion is a few mm of steel every time I go shooting

>>12667635
Stonks market is being gay.

>>12667629
>all that's sitting between you and hard vacuum right now is thin air

>>12667641
Earth-chan is hugging the air to herself very tightly.

>>12667635
I set my sell price at $500 instead of $420 so I lost my money

>>12667647
oof, Elon getting involved made it clear what the sell price was

Is it over yet?
Can I go home now?

>>12667654

reddit wins again

>>12667659
There's no getting off mr musk's wild ride

>>12667629
will i get in trouble if i start punching the hull?

>>12667654
Based, I got in for 2k at 90$ and got out around 250$. The day it started blowing up on reddit and people like AOC got involved it was a clear sell signal.

lots of news today

>>12667609
Excellent

>>12667668
damn

>>12667659
I thought so when the tank visibly got warmer the first time, but then they pressurised it all over again!

>>12667618
They probably won’t have much of a reason to cover the entire planet.

Think about it this way, some nations are unlikely to even want this service regardless of how good it is because they may not want a western internet provider.

China probably would be a no go, Russia would have good reason to get it given their spread out land, but politically their oligarchs might be against the competition. Many other nations probably have politicians that would be happy to take bribes from local internet providers to not accept starlink. In the end they might not even need world wide coverage.

>>12667441
>least lever arm
please explain? (im gay btw)

>>12667701
I don't really imagine there's going to be a situation where an entire orbital plane isn't necessary. They'd still want coverage over the open ocean and the US military may be MORE interested in coverage of antagonistic countries than coverage of friendly countries.

>>12667701
that's not how it works at all

>>12667701
Polar orbits just cover the whole world anyways, no? Also every single ship on the ocean would love high speed Internet

>>12667709
elon-approved explanation from twitter

>>12667701
The satellites simply cover the whole planet. They're in fucking orbit in every which way.

>>12667672
Cosmology is totally flawed man. It has Aids and all kind of othet issues. Better stick with Plato.

>>12667701
>They probably won’t have much of a reason to cover the entire planet.
In terms of satellites, they can't not (except at the poles, which need different orbits to the rest), because they're not in geosynchronous orbit (nor at a height that's got an orbital period of a small integer multiple of days). Regulatory approval is a totally different matter.

>>12667701
Ausfag here, I'm practically frothing at the mouth to get starlink since I am rural as fuck and get assraped by shitty Telstra 4g monopoly. Unfortunately they haven't gotten permission yet and I suspect there is some fucky back door dealings going on. If they get blocked because of fucking telco bribes I will be absolutely apoplectic.

>>12667701
>Russia
They're shaking in their boots from just thinking about satellite networks bypassing the gubmint wiretaps and firewalls

>>12667672
a bunch of newspapers are doing this weird protest where they publish blank front pages and all I can think of is how much better the world would be if mainstream media permanently shuttered

>>12667728
Good luck anon! my parents are getting it next week.

>>12667629
>suffer hull breach
>patch hole with duct tape

>>12667728
>>12667729
The Australian government likely is the same way. They want their filters and they want their surveillance. If citizens can easily bypass both, the government is going to be pissed. Plus they want to tax the shit out of everything including internet service so Starlink will need to agree to give the Australian government a cut even though they're providing nothing.

>>12667746
If SpaceX lets you pay for Starlink with crypto that's going to lead to a lot of fake home addresses and smuggled base stations.

>>12667718
He's literally letting the internet figure this out lmao

>>12667757
Linus's Law: with enough eyes, all bugs are shallow. This is just another software development methodology being applied to rocketry.

>>12667754
Honestly, Elon needs to spin off starlink ASAP just to not have to fly all over the fucking world and testify in from of every legislative body on the planet.

>>12667754
if that happens I could easily see China really coming after Starlink everything short of shooting down the satellites

>>12667765
No, he needs to insist he only flies internationally on E2E Starship and if they want him to testify they need to provide a spaceport.

>>12667762
What does ITAR say about crowdsourcing rocket development through Twitter?
>north korean official accounts start asking questions and KSP fans answer them

>>12667629
>3mm of steel
I'd take that any day over aluminium isogrid autistically milled for half a year on 5 axis cnc from a solid billet to micron tolerances

>>12667769
China has plenty of leverage over Elon, if he gets too cocky the CCP will just seize the shiny new gigafactory.

>>12667718
Could super heavy pull the same maneuver as Startship to save more fuel if they added flaps or would the grid fins be fine?

>>12667775
IANAL but he -should- be OK as long as he doesn't get too specific.

>>12667784
I'm no expert but my gut tells me the surface area for any fins on SH would have to be exponentially larger to account for the extra mass of tankage and engines, and would end up being comically large in order to work

>>12667728
I'm on NBN wireless so not as bad but will be swapping to Starlink soon as its available.

>>12667769
I wonder what degree of triangulation of user terminals will be possible. The CCP would 'tolerate' some unsanctioned use and unfiltered access to the Internet if it made dissidents trying to be sneaky actually glow really, really brightly - I am pretty sure this is already quasi-official policy wrt VPNs and Tor.

>>12667791
Gridfins are fine for first stage. I think the flight profile for Super Heavy is basically going to be "Falcon 9 RTLS but a bigger rocket." The added complexity of the flapped flip flop only makes sense if you need to aerobrake from reentry.

Starlink is already geolocked. 0% chance spacex doesn’t adbide by all regulations

>>12667798
it's already not hard to bypass the great firewall and smuggling in a starlink terminal would be much harder than the current methods so it's not likely much of an issue

>>12667808
>Starlink is already geolocked.
Well there goes my plan to buy a yacht and telecommute from the South Pacific.

DUDE i just LOVE the hustle and bustle of the space colony, it’s so DYNAMIC and makes me feel like i’m in one of my favourite SPACE OPERAS. you should totally come on down to my sleeping pod, it’s got EXPOSED STEEL PLATE walls and everything, we can crack open a nice water pouch or three and get crazy watching some cartoons on the holoscreen! and dude, dude, DUDE, we have GOTTA go down to the vrarcade- listen here, right, it’s a BAR where us ADULTS who do ADULTING can go DRINK. BUT!!!! it’s also a VR ARCADE like when we were twenty, so we can play awesome VIRTUAL REALITY GAMES, without dumb kids bothering us. speaking of which megan and i have finally decided to tie the knot- literally -we’re both getting snipped tomorrow at the infirmary bay, that way we can save money to spent more on ourselves and our TAMAGOTCHIS. i’m fuckin JACKED man, i’m gonna SLAM this water ration and pop open another one!!!

>>12667804
Minimizing weight needs matters a lot more in the stage 2 than the booster

>>12667808
I thought it wasn't geolocked. Dammit this is a shame if true

>>12667817
Of course it is.
Right now you can have it within the coverage cell you signed up for.
Now, there will be variants for those with boats and whatever but even then it won’t work in China

>>12667813

>>12667813
You won’t pass my dude

>>12667808
Yeah I just read about that. Wtf are they thinking? The marine and airline industry will pay through the fucking nose for this.

>>12667826
How big are cells, typically? Are we talking continents? I would hope that I could buy one for, say, Houston and be able to take it through Canada to Alaska and Greenland and maybe Mexico. Would be extremely gay if it is locked to just a state or something

>>12667813

>>12667827

>>12667830
25km, for 2.5° beam

>>12667833
>Oh shit, someone left the airlock open, didn't they.
>*WHOOSH*

>>12667813
Why do you repost this in every thread?

>>12667849
Oh so it's locked to a beam? So just like, a single plane of orbits? Dumb and gay. I'll stick with my provider until they loosen up the rules

>>12667858
For the 99.99 who aren’t weird nomads like you it is a non issue but alright

>>12667566
is it too late to buy?

>>12667861
I do a lot of moving between cities for work and would like to be able to pay for one terminal I could take with me

>>12667626
>the top header might move down on the crewed versions but not on the cargo or tanker versions

>Literally go stand on this part of my supposedly super futuristic spaceship so that it wont topple

the absolute state of earther tech

>>12667874
lmao

>>12667867
It’s not like it’s gonna be cheaper than some 4/5g internet

>>12667302
>>12667312
How many raptor failures have there been recently? I cant think of many.

>>12667877
Yeah good point. Is there a legal reason he has to restrict it? Or is it a business decision.

>>12667891
SN8 and SN9 both had multiple Raptors swapped before flying, and of course SN9 had the in-flight engine failure.

3mm is steel is about as thick as a good quality kitchen knife, and thicker than the walls of steel cooking pots
Shifts tough, and very hard to dent/break, impossible to ouch through with your hand, starship is durable as fuck

>>12667892
for one the beta is meant to be a.... beta. they're opening up more cells slowly as they become feasible to provide service to.

>>12667900
why they don't just skip forward 100 raptor SNs? Aren't they on like 200 now?

>>12667711
>US military may be MORE interested in coverage of antagonistic countries than coverage of friendly countries.
Space MAD confirmed

>>12667892
It’s just a beta bro

How is 3mm steel radiation-wise? Would crew Starship need much additional shielding for that?

>>12667924
There's a reason why the trip will be considered extremely dangerous.

>>12667924
crew starship iirc would have a faraday cage where everyone would gather if they encounter particularly harsh solar wind

>>12667924
https://en.wikipedia.org/wiki/Bremsstrahlung

tl;dr every time a charged particle hits the outside of Starship X-Rays get emitted inside.

>>12667924
There will be several hundred mm of foam sandwich insulation on the outside and internal walls will be the same so there should be a decent degree of radiation protection. But it's still half a year in space so you are going to be getting hit pretty hard no matter what you do.

>>12667924

I hear it's the equivalent of a chest x-ray

>>12667148
Based Donald

>>12667929
>extremely dangerous.
For you

>>12667944
Se we're good? good I was starting to get worried

>>12667932
This is probably how it'll work

>>12667944

Huh. I think SN7.2's going again.

>>12667250
SLS error happens:
>1 year investigation and a 5000 pages report that no one actually bothers to read.
SpaceX error happens:
>Yah, we fucked up, lol. Well try again in a few weeks.

meme magic is no joke

>>12667148
nuclear is the future

>>12667364
That was my first thought to make sure fuel is forced to the raptors.
I believe Elon is trying to keep this as simplistic as possible and adding in a system like that will increase the complexity. Not to mention weight.
We'll see how things play out, it will reach a point to where you can't keep it simple.

>>12667944
Not great, not terrible.

Are Chinese even going to the Moon? NASA would need some motivation like back in the day.

>>12667905
The ones flying now are in the 40s and 50s, and I think those are pretty new. They haven't hit the production goals they teased a year or two ago.

>>12667991
China 100% has moon aspirations, but no country is ever going to get anywhere close to Apollo levels so it's probably not very close. I believe their stated goal is human landing in the 30s.

>>12667973
Thats fast

>>12667944
yeah the equivalent to a chest x-ray to every cubic mm of your body every pico second for a couple of hours... nah jk but thats what i would say if i were trolling

>>12667924
>>12667932
>>12667929
>>12667942
none of this is necesary, they will need a lot of water for the trip so the water tank is great insulation, when a solar storm occurs just go stand on top of it and aim it towards the sun, when theres no solar storm the exposure of astronauts to radiation is like 0.001% higher than that of eating a banana,,,,,,,,,,,,,,,,,,, or maybe im exxxageration a bitt

>>12667991
They already landed

Humans are better in dialog than ideologie.

https://edition.cnn.com/2021/02/03/world/nuclear-powered-rocket-scn-spc-intl/index.html

Neat

>>12667375
>Landing with two is a bit more efficient than landing with one
You literally could not be more wrong.
One raptor creating X thrust is more efficient than two making the same.
Two raptors are used to control flip and descent due to the thrust vectoring of dual raptors.

>>12668004
I kinda understand the "fake" people looking at this. The lighting is fucking weird up there.

>>12668001
Oh, or not. Traffic's back on the road; I saw a load of venting, but I think that might've just been the tank farm purging.

>>12667999
China doesn't care about their people dying so that benefits them. But i agree we won't see manned lunar missions outside of the Starship and maybe SLS

>>12668012
>Ultra Safe Nuclear Technologies
lmao. Can't blame them 2bh.

>>12667942
>>12667924
Just point the rear of the ship toward the sun.

>>12668015
No atmosphere, no light scattering, no atmospheric perspective

>>12668022
yep this, several meters of consumable water is enough, but youll also have remaning propelant if its the first trip

>>12668019
Damn too bad

>>12668030
You can point toward the sun the whole time, just re-orient when you're about to do a maneuver

>>12668014
So their plan will be ignite two for flip then once horizontal 0 and righted, shut it off quickly and land on the one?

Thats insane, can the raptor take such a quick restart and shit down?

>>12668004
Implessive

>>12668026
yeah, it really messes with my stupid monkey brain

>>12668033
so basically for maximum safety all landings should be in the night side or you risk the sun pulling a trick and spewing rad at you while youre commited to a certain orientation

>>12668014
All other things being equal, they want to apply more thrust over less time, closer to the ground, to spend less delta-V holding the ship up against gravity. You're going to be right that running two engines for a given level of thrust is less efficient than one engine, but I'm figuring that they'll run at more than one engine's worth of thrust for the landing burn, and do it as low as possible, if delta-V matters here.

>>12668033
Are interstellar radiation sources something to worry about, or do we just have to care about the sun on a trip to Mars?

>>12668015
It looks weird because you've never been on the Moon, just like 99,9% of the population. That's why schizos come up with the conspiracy bullshit.

>>12668004
Honestly this shouldn't even be considered an achievement anymore. I hate that everyone was stagnant on space for 60 years

>>12668037
>once horizontal 0 and righted, shut it off quickly and land on the one?
Not too sure of their plans for the future, but the current goal is landing with two while throttled down. Two raptors throttled will allow the starship to touchdown without taking off again.
Unless SpaceX can pull some serious black magic on the raptors, they will certainly use more than one for landings as production model SS will be drastically heavier.

>>12668047
Yeah, but you could easily shield a small part of the pressurized compartment of the rocked where people have to gather during maneuvers.
Those maneuvers usually only last a couple minutes or so.

>>12668051
Interstellar radiation risks are either not as bad as the sun, or are so powerful that you're fucked no matter what you do.

>>12667290
I'm too lazy to look it up. How many Raptors is SS supposed to have? All this time I had been conflating it with SH and thought it was nowhere near flying at full power.

>>12668086

6, 3 sea level and 3 vacuum

>>12668074
>>12668051
some particles are so powerful that it really doesnt matter where you are, even on earth, some cosmic rays have been documented to go trough the entire earth, so no amount of lead or any faggy shit that you put in its way is gonna even put a dent in it, its just waltz between the molecules and you have to hope that it doesnt decide to hit the part of your dna that activates dick cancer or the ultra critical component in your ship that decides wether to vent all oxygen to space

>>12668012
>NTP
>not NSWR
why even bother?

>>12667701
it's impossible to be picky about where your satellites cover
if China doesn't want it, the only option is to turn the satellites off when they're over China

>>12667991
Even with motivation and in the face of humiliation, they just don't care.

>>12668088
>>12668086

i should say though, the vacuum raptor bells will be too big to use safely at sea level, so they'll be useless for landing.

>>12668086
Upper stage has 3 for landing, 3 vacraps. SH has 28? I think?

>>12668088
sounds like little if they plan to keep engine out capability. its so hilarious how people just cater to their goal posting
>many engines is better, it gives you redundancy
woaaah so wise, they are literally right
>3 engines for landing, if one fails all die
yeah this is obviously the correct way i knew it all along

>>12667326
It needs a TWR of significantly greater than 1 because it needs to scrub off like 60 m/s of velocity in only maybe four seconds. Trying to land fully loaded return rockets on Duna in Ksp taught me not to skip out on the landing TWR because I always ended up waiting too long and burning at 100% throttle for ten seconds then hitting the ground at 100 m/s anyway.

>>12668098
I would still light them in an emergency but that's just me. Musk should light all six, and give priority to the 2 sea level ones that work. If 2 or 3 of them fuck up you could probably get away with firing the vacraps for landing

>>12668091
totally, imo instead of wasting time in these retarded amount of boots on the surface missions, just dump an apollo program worth of funding on NSWR built in orbit (after starship is proven as a reliable LEO truck and you have an expanse type future in a couple of years

>>12667784
the only reason they're doing the flip is because they already need the fins for orbital reentry
if they didn't need to get it back from orbit it would be easier to just do Falcon 9 style grid fins + engines

>>12668074
>>12668089

Well shit.
Are we only talking about like very unlikely interstellar events that rarely hit our solar system, or would any random Gamma-ray burst that we regularly detect here on earth give radiation poisoning to the entire starship crew?

>>12667590
No return mass from 99% of launches, which will be tankers or unmanned cargo to LEO, fren.

>>12668103

the underexpansion in the vacuum bell nozzles will shake them apart very quickly at sea level. i dunno enough about rocket engines to know if they'll last the 10 seconds or so it takes to land, but it would fuck them up for sure.

also, i imagine they wont be gimballed if they're only to be used in space.

>>12668003
(extra)galactic radiation will get you from every direction

>>12668112
cosmic rays are literally bombarding the earth every second, most of it is so energetic it goes right between your atoms (and the entire earth) without hitting anything.

if youre unlucky enough it might hit one of your cells and cause a mutation

if youre unlucky enough that mutation, instead of meaning your son will have a different eye color it will give you balls cancer.

theres nothing anyone can do about this

I guess we need a second cold war then.

>>12668112
The entire reason server RAM is expensive is it has error correction protocols to handle bit flips from cosmic rays.

>>12668115
Yeah I was thinking of that but I think they would survive long enough to be able to pull off a landing burn. The lack of gimballing would suck though. You would have to pray that your ship is mostly vertical. Even if the core raptors failed they could still gimbal to balance you though, but idk if it would be enough if they aren't burning

>>12668112

gamma ray bursts are extinction tier events, but rarer than asteroids. cosmic rays are basically isolated particles, you just get more of them outside the atmosphere/magnetosphere, so it's like the background radiation is higher

>>12667290
This is why I think Starship should have an abort feature. The landing maneuver is so complex it may continue to be dangerous for a while. If one thing goes wrong you're just dead, the only way to to make such a thing survivable is to jettison the crew compartment.

>>12668130
>cosmic rays
just use a crew dragon to board it for the first few trips still much cheaper for a deep space mission than anything old space can offer.

you could even just have the astronauts parachute when they return or include ejection seats for a small crew of like 5-7

>>12668114
>No return mass from 99% of launches
Because 99% of launchers didn't offer the service

So how badly will this FAA bullshit fuck us?

>No tourism this year?
>Mars pushed back 2 years?
>Falcon launches canceled(?!)

>>12668121
>>12668124
Yeah, sure, but my question is the amount of incoming radiation if you are outside the earth magnetosphere in our solar system and only worry about interstellar stuff, because you're pointing your engine section towards the sun for 99% of the flight.

>>12668148
its a reasonable risk

>>12668095
No ground stations, no internet, and China is big. Yes, there is a border area and there will be laser links, but simply not having any ground stations in China will do a large part of blacking it out.

>>12668128
Only if they would happen in our Galaxy or the galactic neighbourhood.
We've observed a whole bunch of them, but your average one is like billions of light years away from us.
https://en.wikipedia.org/wiki/Gamma-ray_burst

>>12668101
2 engines needed for landing, but we have 3 just in case (except we only use two because we're stupid)

>>12667104
woot woot

>>12668158
Could smuggling in the equipment for the ground stations be possible?

>>12668170
still geolocked

>>12668147

to be determined if they shat themselves over the second crash

>>12668147
CNN is dramatizating the fuck out of boring paperwork.

>>12668171
How so? Is the locking on the Starlink side? If so then why would SpaceX do that?

>>12667746
Elon should branch into PMCs, offer government removal,service

>>12668179
He already has the oil platforms. Plus orbital delivery mechanisms...

>>12667775
They actually put a satellite in orbit

>>12668177
because it is in their best interest not to violate laws, violate ITU agreements and permits, fuck over International relations..... Jesus anon use your fucking head

>>12668158
Ground stations are currently only necessary for the beta version.

Supposedly you won't need them when they get the satellite-satellite connections via laser going. (they plan to launch the prototypes this year) The ground stations that are around now only relay the signal between satellites. If you have a dish, you are directly connected to a satellite, after all your dish is pointing at the sky and not the horizon at some ground station.

>>12668130
Yeah I agree. Anytime Musk says something everyone instantly jumps on the stan train
>A 747 DOESN'T HAVE AN EMERGENCY PLANE, ESTRONAUT SAID SO
well starship can fucking kill you if those engines don't light. It wouldn't hurt anyone to make the nose cone detachable and put retrorockets and/or parachutes on the side. And don't tell me about the weight penalty. If starship can lift 150T you can spare a ton for parachutes

>>12668186
Calm down. I didn't even know those ITU agreements were a thing

>>12668179
Desu

>>12667861
Humans evolved to be nomads. Staying in one place is unhealthy, and cities should get nuked

>>12667901
It needs 25mm of tungsten armor plating

>>12668199

based. fuck the urbanites

>>12668199
Based

>>12668199
based, but factually dubious

>>12668213
Wtf how is he wrong? Humans are nomads by nature. We left Africa asap and journeyed to the ends of the Earth. And now we are itching to leave the planet

>>12668199
Based and morally correct.

>>12668199
Ok but we need industry to gtfo this planet

>>12667446
>He has to be the greatest pirate I've ever seen

>>12668222
Evo-psych gets a bad rep because it keeps rejecting woketard hallucinations.

Proxima seems waaaay closer and the scale becomes more understandable if you phrase it as 280,000 astronomical units away

>>12668195
the ITU had to grant a communications frequency spectrum license for Starlink before any were launched in the first place. One condition of those licenses is that the filer will both start and complete the constellation by a given date, else the spectrum license is revoked for further satellites in the constellation.

Ah yes, the hunter-gatherer space program. Retards...

>>12668232
I have no clue what any of those words mean bro

>>12667446
I wouldn't even bother trying to ransom it, just stick the cunt with a torpedo. Fuck JWST.

>>12668232
Wokeists fell into the exact same trap as theists; convincing themselves humans aren’t just another kind of animal with behavioral traits and anatomy determined purely by evolutionary pressures. I guess it’s a religion.

>>12667446
>>12668230
https://www.youtube.com/watch?v=QFLeTga9CN0

>>12668242
Evolutionary psychology is a branch of psychology that attempts to understand human psychology within the understanding of evolutionary biology. Frankly, I’m mystified that it isn’t the only kind of psychology.

>>12668179
>tesla weapons research lab
>advanced neuralink-derived augmentations
>secure starlink comms
>starship dropships

>>12668170
A "ground station" is not customer equipment, it's where they tie in to the internet, though they will also do bounces.
>>12668187
You still need ground stations somewhere to connect to the REAL internet. It's not magical cloudy-woudy stuff.

>>12668238
You can combine nomadism with industrialism without extreme difficulty, and nomadism becomes pretty trivial in outer space.

>>12668232
Evo-psych gets a bad rep because almost everything under the umbrella is a slapdash conjecture. Much like string theory, a series of untested hypotheses is not a science.

>>12668250
Ah that makes way more sense
>>12668246
A good lot of theists get this, but a great deal more don't. I'm just trying to defend people who believe but aren't completely retarded

>>12668256
Nomadic industrialites? How tf would that work

>>12668255
>You still need ground stations somewhere to connect to the REAL internet. It's not magical cloudy-woudy stuff.
And oil platforms on international waters tapping into trunk lines...?

>>12668266
Move your habitat around to different orbits I guess?

Elon should just buy an island.

>>12668222
Do you see any other nomadic great apes? No. They're all very territorial (ie precisely the opposite of nomadic). The only reason they left Africa (which they didn't do "ASAP", it took a very long time for them to leave) is because we were too good at surviving and expanding populations naturally expand to other territories when resources no longer support them.
Humans are social, define permanent territories and stay there as long as the local resources continue to support their population. I hate it when retards try to justify their retarded anprim worldview with shit they know nothing about.

>>12668199
I can confirm that this post is according to all known measurements and quantifications 100% based.

>>12668277
the chad pre-civilization nomad
>chases down his prey, runs an ultramarathon just to fuck your wife
>never bored, ups sticks when the good times run out
the virgin space nomad
>"bro im totally like my ancestors i never stay in one place"
>has never left his cubicle on station a-42069, saw a different colored circle out the window once

>>12668285
> Do you see any other nomadic great apes? No
Yeah. They live in home ranges which they constantly travel through

>>12668285
Yawn didn't read and you're still wrong regardless assuming you are disagreeing with me

>>12668294
When you and your tribe actively claim and defend a territory you are by all definitions not nomadic. Getting your ass kicked and being forced to go find somewhere else to live isn't being a nomad, it's being a loser.

>>12668293
Kek

>>12668295
lmao

>>12668308
>>12668266
https://www.dictionary.com/browse/nomadism
"A way of life in which a community has no permanent settlement but moves from place to place, usually seasonally and within a defined territory. For hunting and gathering societies, nomadism does not imply aimless wandering, but suggests an organized rotation of settlements to ensure maximum use of available natural resources."

China has conducted a possible anti satellite test.

>Details are still limited, but the Chinese government says that it has carried out an anti-ballistic missile test. State media reports say that the goal was to demonstrate capabilities to intercept an intermediate-range ballistic missile, or IRBM, during the midcourse portion of its flight. However, these kinds of interceptors can also double as anti-satellite weapons.
>China's Ministry of Defense announced the test on Feb. 4, 2021, and said it achieved all of its goals, but offered no additional details, including whether an actual intercept of any kind had taken place. Chinese authorities also insisted that the test was purely defensive in nature and was not meant a signal to any country in particular.
https://www.thedrive.com/the-war-zone/39093/china-claims-it-has-conducted-a-new-midcourse-intercept-anti-ballistic-missile-test

>>12668320
Bruh that's like, how people in New Guinea live. I don't think that's doable when you need shit like computer chips and forged metals and airplanes and stuff

>>12668329
Woah cool ass launch. Hope it isn't an anti-sat test tho. Even the US shouldn't be testing that

>>12668230
>>12668247
https://www.youtube.com/watch?v=8TTUBMTInVE

>>12668343
>nooooo dont develop technology to defeat your enemies noooo

>>12668345
kek

>>12668347
Nice strawman. You are still gay however

>>12667481
Kourou. It's supposed to go up on a Ariane 5 after all.

>>12668362
"go" "up" Ariane 5 """""""rocket""""""""

>>12668366
I doubt it's ever getting launched, but an Ariane 5 ECA is a trustworthy enough rocket to send it up with.

>>12668332
Just cycle between different resource deposits, and trade with other communities at the border at agreed times. Presumably, such a society would start with travois, then develop wagons, and finally wheeled and/or tracked trucks that function as equivalents to family homes. They'd probably have a much lower population density than us, but that's whatever. Don't think there's anything impossible about the idea, but there's likely selective advantages towards permanency, or maybe not because jobs that require long-term travel aren't super unusual.

>>12668371
Ariane 5 has the best track record iirc. It's just funny to dunk on the French

>>12668359
Please explain why no one should be developing anti-sat missiles.

>>12668375
>French
It's an ESA rocket, meaning there's at least one part per country in Europe that has an aerospace industry on it.
But sure, call it "French".

>>12668382
France is the big player in the ESA don't pretend otherwise

Why does SLS is the RS-25 instead of the RS-68? Wouldn't they be able to lift more payload with higher throost?

>>12668386
I don't know these fancy terms like "thrust" or "payload". Just tell me, egghead, which will get more jobs in my congressional district?

>>12668382
You know what I meant
>>12668378
See pic related

>>12668380
>>12668386
80+ improvements required before it'll even be considered human rated and it has a much lower TWR than the RS-25, so any "gains" are dubious at best.
That fireball does not play nice with solid boosters by the way.

>>12668393
LEO debris is short-lived, and satellites could be hardened

>>12668386
Ablative nozzles are incompatible with SRBs being right next to them.

>>12668404
Make liquid-fuel RS-68 boosters

>>12668402
Okay well your dragon and your starship aren't going to have the luxury of 1ft thick armor. Fly into a chynease debris field and you will get shredded. No Mars colony for you, stupid American. China numbah wan

>>12668406
That's literally the Delta IV Heavy. Hydrolox first stages are GAY. No exceptions.

>>12668406
>SLS Heavy
>still has Delta IV heavy upper stage
>12 RS-68 engines on three big orange tanks
>80 tons LEO
Oops! All Delta!

>>12668414
Has anyone invented a plasma rocket fuel yet?

>>12668394
>>12668404
Didn't Delta IV have a medium variant with SRBs?

>>12668417
None of the various plasma emitting drives can lift their own weight, except the NSWR which is not a good idea to use inside the atmosphere of a planet you like.

>>12668421
One single RS-68 and much, much smaller SRBs. Shuttle/SLS SRBs are actually ridiculous monsters.

>>12668421
2 tiny single cast GEM-60's, yes.
Not quite the same as the old shuttle boosters likely to melt out through the o-rings.

>>12668406
>>12668414
>>12668416
Come to think of it, would it be possible to make a 7-core Delta IV? It looks like there's just enough room for it.

>>12668421
Yes but the GEM-40 is much smaller than the Shuttle SRB

>>12668414
Yeah this cannot be denied

>>12668431
I think I saw a proposal like that as an early SLS design

>>12668434
70% of the thrust on the SLS is from the boosters. Replacing that shit with RS-68's won't do jack shit but make an even more anemic rocket.

>>12668431
Don't see why not, but I'd be scared to see it separate, because such a crowded design has more risk of little collisions causing fuckhueg fireballs

>>12668438
>70% of the thrust on the SLS is from the boosters.
based hydrolox

>>12668414
>>12668434
What about Energia? I know the boosters were kerolox but then that would discount the shuttle as well, which is frequently criticized here. Also, I read on some forum a while ago that the Soviets actually had designs for a rocket that was essentially the same as the Delta IV Heavy, but cheaper and even more efficient. I'll try to find it.

>>12668438
As much as I hate SRB's I cannot deny the fact that they THROOOOST more than anything else we have. It's a shame the advanced boosters for Block 2 config will likely never see the light of day. If they were made with a single O-Ring not autistically designed in parts I would actually love the thing

Wait there was a SAILING SHIP at Boca Chica, like a caravel???

>>12668431
There was a proposal for that at one point.

>>12668449
arrrrrrrrrr

>>12668449
Yeah they are staking out the JWST for ransom. They just made a quick pit stop in Boca Chica

>>12668442
>based hydrolox
Based? Ground based maybe. What a piece of fucking shit that rocket is. They could have gone for F-1b based liquid boosters, but considered it "too powerful".

>>12668448
F-1b based boosters would have wrecked the shit out of that junk. Here's what could have been.

https://en.wikipedia.org/wiki/Saturn_C-3#Pyrios

>>12668448
Weren't they building advanced boosters for the shuttle back in the 90s? And then they got cancelled for whatever reason.

>>12668458
>Ground based maybe
Kek. Also yeah I forgot about the Pyrios. How did NASA fuck up this rocket this bad? They should have at least gone with an ambitious GOOD rocket so everyone got paid but a good rocket came out of it
>>12668459
I refuse to believe

>>12668448
>autophagic nuclear solid rocket motors

Business idea: Propulsively land an SRB

>>12668449
Texas pirates

>>12668459
advanced? what does it mean? even more efficient at killing more astronauts than all of the other nations in the world?
or maybe it just kills more kinder garden teachers like the shuttle did

i mean you have to be a really sadist piece of shit to let a kindergarder teacher on that literal execution machine, just shoot her in the head much more humane

>>12668478
literally possible, icbm throttle by diverting some of the exhaust in the opposite direction

>>12668485
>dead astronauts on the shuttle
Many such cases!

>>12668478
It could probably be done if enough autism was concentrated

>>12668478
>>12668489
Are there any compounds that can halt an SRB's chemical reaction?

Why does government suck at doing things in space

>>12668497
A faulty O-Ring and aerodynamic forces

Strange to think that somewhere out there, there could be aliens constructing very similar rockets

>>12668458
>>12668472
Conspiracy idea: NASA rejected the Pyrios booster because it would've had people asking why they weren't just rebuilding the Saturn V at that point.

>>12668508
Well... why the fuck DIDN'T we? F1B's were calling our names

>>12668508
I cannot think of any good reason to reject the Pyrios booster. Sure, in reality, it'd probably be worse than projected, but on paper it's still superior to solid boosters overall.

>>12668508
Well, that's not why. They had zero fucking expertise left using kerolox and only expertise with hydrolox at that point. If you look at the documentation from that time, they knew well that hydrolox would be a worse and more expensive over time end product, but they could start up sooner with less money thrown down up front.

>>12668517
They claimed too much acceleration and that was too risky for potential escape sequence. It's a load of bullshit, liquid motors can be shut down, solid boosters not so much.

>>12668521
I hope SLS blows up. That is all.

>>12668529
Don't we all?

Skylab was better than ISS

>>12668521
>start up sooner with less money

>>12668562
That was indeed the reasoning. NASA was full of cunts who had worked on the shuttle at the time and they knew hydrolox and nothing else.
Not a single one of them have touched kerolox except for some minor testing of a heritage F-1a.

NASA doesn't have infrastructure for kerolox either.

Will he be based and take the Musk pill, or give in and hand out money to Bezos and co?

>>12668529
i think at this point everyone hopes it blows up except congress...
I mean nasa scientist must all be like that "yes honey" meme

>>12668566
Option 3 - cut spending.

>>12668566
Biden doesn't know where he is; wonder what his controllers are gonna do

>>12668566
Obama started commercial crew and I don't see any reason they'd be antagonistic towards SpaceX. That being said I suspect he may try to balance out contracts between SpaceX and Poo Origin so as to maintain the veneer of fairness.

>>12668582
As long as he (or rather, the administrator he appoints) sticks with cost-per-ton and steers clear of cost-plus I think it will turn out okay

>>12668582
Obama was president a long time ago. We're in an age of deepening darkness, and it will only get worse.

>>12668574
I highly doubt it. Biden is a turbo-boomer so he probably still has nostalgia for the Gemini and the moon landings.

>>12668566
Joe I can forgive every tacky aspect here, but that license plate has got to go

>>12668593
I don't think he remembers much to be brutally honest. Also remember he was Obama's VP.

>>12668593
>turbo-boomer
kek

>>12668582
>Obama started commercial crew
That argument is getting tiresome. He cut constellation and threw NASA a bone nobody thought would work out at the end of his 2 periods.
Then it did work out much later and everybody is jostling to give him credit for something that didn't even happen while he was in office and was just a band-aid to NASA.

>>12668590
I hope so too. I wonder who the next admin will be. I won't cast judgement too quickly since Big Jim turned out good even though his record didn't suggest he would be.

SKYLAB HAD A SHOWER?

>>12668609
Probably a trans satanist Muslim atheist nonbinary black indigenous person who wants to kill all whites

sfg better apologize when biden signs the bill to FULLY FUND AMERICAN DOMINANCE OF SPACE

>>12668608
Constellation was way over budget and hadn't accomplished anything. For as shit as SLS is, at least it exists.

>>12668616
go back to facebook

>>12668625
>exists
bold claim hahah

>>12668625
SLS is way over budget and hasn't accomplished jack shit either.
In fact, it's the same fucking rocket with some tiny modifications to it. The only thing they did was postpone it and make it even more expensive.

But get ready for another shutdown only for SLS to come back in a new guise for a new program in 4-8 years.

>>12668616
>Probably a trans satanist Muslim atheist nonbinary black indigenous person who wants to kill all whites
And here's why that's beautiful

>>12668582
Bush started the commercial crew program all Obama did was after he cut constellation he put some of that money into commercial crew then the rest went into some diversity shit

>>12668636
NO COMMERCIAL CREW STARTED I N 2010

>>12668478
Just gimble it in a rotating pattern until it burns out. Bonus: your landing pad is now fused into glass

>>12668508
>Pyrios booster
>>12668517
it would be reasonable to say they rejected it because it looks like shit

>>12668393
Is this an argument for concrete spacecraft?

>>12668566
The only pill he's taking is namenda.

Did anyone consider using methane before SpaceX?

>>12668663
Russia.

>>12668666
Why didn't they go through with it?

>>12668669
Because the Soviet Union collapsed and they just stopped doing shit?
Watch this, that's all Russia did after the collapse - sell old shit.

https://www.youtube.com/watch?v=TMbl_ofF3AM

>>12668651
What year did commercial caro start?

>>12668669
soviet union went bonk

>>12668508
The whole reason they rejected a nu-Saturn architecture for SLS is Congress required them to "maintain our technological lead in hydrogen and solid propulsion" (read: muh shuttlestack pork contractors).

>>12668671
>>12668674
God, the fall of the USSR really did set back space travel by decades.

How practical would surface to satellite laser data links be if radio communications were not available? I imagine clouds and atmospheric absorption would make it pretty bad depending on weather conditions, but could you get around that with different frequencies at all?

I'm still mad that NASA has to have billion dollar crawlers to transport rockets when SpaceX does it with a pickup truck.

>>12668686
Use gamma ray lasers

>>12668686
>different frequencies
Yeah, in the radar range

>>12668651
https://www.nasa.gov/commercial-orbital-transportation-services-cots
>In 2004, President Bush established the U.S. Space Exploration Policy which called for a return to the moon by 2020 and the Space Shuttle to be retired by the end of 2010 after completion of the ISS assembly. Soon after Mike Griffin became the new NASA Administrator in 2005, he challenged U.S. private industry to develop cargo and eventually crew space transportation capabilities that could meet the needs of ISS
the truth hurts doesn't it

>Gf (male) is gone for five days

Which spacekinos should I marathon with my free time?

>>12668700
Some times the long road is the only road.

>>12668702
>Gf (male)

How is your girlfriend a male? You believe in that Tumblr shit?

>>12668702
Sorry about your boyfriend. Also watch Star Trek Enterprise

>>12668478
Meteor missile is solid fueled and can be throttled.
The solid rocket motor basically acts as a fuel injector, burning super fuel rich.
The exhaust is then mixed with ram compressed air, auto-igniting.
The throttle is controlled by adjusting the throat width of the solid motor, increasing/decreasing chamber pressure and therefore the rate of combustion.

https://en.m.wikipedia.org/wiki/Meteor_(missile)

>>12668345
Why do satellites always look like shit with no aesthetic? That thing deserves to be raped by micrometeorites.

>>12668702
Based and redpilled
>>12668709
>>12668713
Cringe and seethepilled

>>12668718
retard

>>12668718
SHITTY BOOSTERS

Aesthetics are a dry mass penalty.

>>12668702
>>12668719
(You)

>>12668702
Watch Planetes & Europa Report