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Why SpaceX Built A Stainless Steel Starship

Real Engineering
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References
[1] www.wd40.com/cool-stuff/history
[2] goo.gl/6eyfsP
[3] www.nasa.gov/feature/nasa-spacex-agree-on-plans-for-crew-launch-day-operations
[4] www.sciencedirect.com/science/article/pii/B9780124016989000021
[5] spaceflight101.com/msl/msl-aeroshell-and-heat-shield/
[6]www.grantadesign.com/download/pdf/teaching_resource_books/2-Materials-Charts-2010.pdf

Extra Reading
www.totalmateria.com/page.aspx?ID=CheckArticle&site=kts&LN=IT&NM=61
ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19660015958.pdf
www.thermopedia.com/content/1203/

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Thumbnail: Simon Buckmaster twitter.com/forgottentowel

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Science & Technology

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Feb 8, 2019

engineeringsciencetechnologyeducationhistoryrealspace xrocketstarhopperstarshipaerospacematerialstainless steelcarbon fibrecompositealuminiumlithiumalloyelon muskaviationstrengthtoweightratiomarscolony

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Comments 3 994
Real Engineering
Real Engineering 6 months ago
The daily problems on Brilliant are actually fantastic. Great way to challenge your brain each day. Thanks again to Brilliant for making these videos possible: brilliant.org/realengineering/
uncle_creepy27
uncle_creepy27 3 days ago
@Mike Jones hey you know what they say about a man with an accent, he can at least speak two languages. He could probably call you an asshat in multiple languages. 😜
James Anderson
James Anderson 6 days ago
@junior jn,,, cvvvhhhthhhhhhhahaAhaahh
John Daniel Hubbard
alumiuminium ? HOW DO YOU SPELL THAT EINSTEIN?
Conny Container
Conny Container 25 days ago
@Valansch Thx, I think they're starting their own space program using swarm intelligence to solve problems they can't. Once they've colonized Titan they'll just laugh at their subscribers and point and their 'terms of service'.. brilliant !
Vincent Jr
Vincent Jr Month ago
That cooling mechanism . I am thinking about that idea just before starting this video . Than i got this news that some one also has same idea 😒😒😒😒
AoM World
AoM World 7 hours ago
Still w8 for ARCA Space, they are much better. Greate Video Real Engineering!
Frank Sponsler
Frank Sponsler 9 hours ago
Elon musk could save huge amounts of money by mining an asteroid for water and CO2, moving the water to LEO, turning it into propellant, thereby allowing Starship to refuel without moving any fuel out of Earth's gravity well. But why stop there? He could use a solar thermal thruster, (en.wikipedia.org/wiki/Solar_thermal_rocket) and use heated hydrogen as fuel (hydrogen still sourced from an asteroid) and accelerate to much higher speeds than otherwise. But why stop there? Why not build a large steel habitat from the same asteroid the fuel was harvested from, take it to LEO, and have the passengers of Starship unload into it? That way, he could bring 1000 passengers in one flight, because they wouldn't actually live in the Starship. they would only be in it for a few hours while getting to Earth orbit and from Mars orbit. And I've heard people talk about how the extended periods in zero gravity will be bad for crews. Just launch two Starships at a time, and connect them with a 1000 foot long tether, and then spin them. Or, if Elon uses my other idea, connect the two large space-constructed habitats with a tether and spin them. I've heard the plan to use the thin Martian atmosphere to create fuel for the return trip. but why not use the plentiful dry ice? The energy savings would be huge. Elon would have to land his rocket in an area that does not get as much sunlight as others, but there would still be some solar energy, and the savings would make up for it. I don't think reusable rockets are the only way in the near future to get cargo and humans into space. On SFIA, there are countless cheaper ways to do it. skyhooks, orbital rings, launch loops... of course building rockets better and cheaper is the first step to all this, but why hasn't Elon musk even talked about these launch systems?
Ismee
Ismee 13 hours ago
Carbon Fibre and electricity are not good playmates
Ismee
Ismee 13 hours ago
Cargo rocket to be sent ahead?
Dom Ex
Dom Ex Day ago
that iso grid structure can be seen on Alumoinium BACOFOIL , yes that turkey wapping stuff everyone cooks with to increase strength over regular cooking foil that and a plastic laminar layer
Lily Hughes
Lily Hughes Day ago
Mars , not ,Mers
LucasBrien
LucasBrien Day ago
I phenolic impregnated carbon ablator your mom last night
r0ntuber
r0ntuber 2 days ago
Thanks for making these videos!
Lego6lego
Lego6lego 2 days ago
Where my spoons go after I recycle them
Me Meagain
Me Meagain 3 days ago
yea but it's going to be hard to keep a good coat of wax on it.
Wyatt B
Wyatt B 3 days ago
Me Meagain, it’s stainless steel. It doesn’t rust easily
RVM451
RVM451 3 days ago
Damned Nation!!! Uh-Loo-Min-Num!!! NOT-NOT-NOT Al-U-Min-Ee-Um!!!! Damned Britishisms! …..RVM45
V.J INet
V.J INet 3 days ago
they are playing with 3 in 1 any one survive they keep continue 2 billions means (nasa ) keep the false one he need more investment in tesla
Alpha Bears
Alpha Bears 3 days ago
Why not use titanium? It’s stronger than other metals but also way lighter.
Aaron Washburn
Aaron Washburn 2 days ago
@Geohie Kim are you insinuating that titanium is heavier than stainless steel? Titanium is about 60% the density of stainless, ~4.5 g/cc compared to 7.9-8.1 g/cc. There are only three structural metals less dense than titanium: aluminum, magnesium, and beryllium.
Wyatt B
Wyatt B 3 days ago
SpaceX is going to mass produce these. Titanium is too expensive. Stainless steel checks off all the requirements like titanium.
Geohie Kim
Geohie Kim 3 days ago
@Alpha Bears uuhh, definitely not. It's quite heavy. it is, however, quite good in the strength-to-weight department. but for rockets, lighter is better than stronger, at least if they're similar in magnitude.
Alpha Bears
Alpha Bears 3 days ago
True, but lighter than any other metals.
Geohie Kim
Geohie Kim 3 days ago
but still heavy.
Dr HonkHonk!
Dr HonkHonk! 4 days ago
bullshit!
Tag Police
Tag Police 4 days ago
starSHIP REEEEEEEEEEEEEEEE
Richard Lynch
Richard Lynch 4 days ago
why are they not using something more or less conical?
Christian Grey
Christian Grey 2 days ago
Make it pointy.... Nuclear Nadal.
Richard Lynch
Richard Lynch 4 days ago
If these frigging people are so brilliant and want to be efficient make the material half as thick and 10 times as strong by machining the triangles at 1/10th the size. seriously WTF. How many stupids make a rocket scientist?
Geohie Kim
Geohie Kim 3 days ago
but that won't help with pressure, or possible leaks due to puncture from the thinner wall. they likely have thought of this, (also the smaller the triangles are, the heavier they collectively are, defeating the purpose)
Travis Bohanan
Travis Bohanan 4 days ago
I love how Elon is pushing new ideas, and failure together. Because success without failure is just luck lol.
AGENT X SECURITY
AGENT X SECURITY 4 days ago
WHY THEY BUILT , A WATER STEMLESS STALLED SPACE SHIP 🚀 .? . SO THE ASTRONAUTS , WELL NOT DRUN AT SEA .!!!!!! . TO GIVE THEN , TIME TO RECOVER IT . FROM ANOTHER FAKE MISSION .!!!!! & RE = USE , IT AGAIN . 😎🇺🇸😎😂🤣😂🤪😥😥😥🙏🏾....
Edward Martinez
Edward Martinez 4 days ago
Stainless steel is dangerous it can be hit by lighting on Mars really dumb.
Aaron Washburn
Edward Martinez aluminum is waaaay more conductive than stainless. So that doesn’t address your lightning issue.
Edward Martinez
@Aaron Washburn The requirement for Mars is aluminum, THE FULL DISCLOSURE IS AT LINEAR DYNAMICS ENERGY INC. Go to the Blog click on comments.
Aaron Washburn
@Edward Martinez what would you make it out of then?
Edward Martinez
Edward Martinez 3 days ago
@Wyatt B Those trenches were not created by water on mars they were created by lighting from the Universe. Huge troughs were dug out by lighting and Mars still has strikes. Steel not a good idea there.
Wyatt B
Wyatt B 3 days ago
Edward Martinez, lighting on mars? Mars has 1% earth atmosphere.
TIBOR Purzsas
TIBOR Purzsas 5 days ago
Because they could that is why
vgpe gana
vgpe gana 5 days ago
cryogenic fuel...
Dark Horse
Dark Horse 7 days ago
IT IS NOT ALUMINIUM!
jeffffro7674
jeffffro7674 9 days ago
All the houses built in the last 20 years will melt into the dirt in a few more years or so, thats when the dozers cram them into the ground to forget about the expensive trash we're making these days. Fast forward to Earth circa 2600 and hey you guys look what i just found in the ground??!?! Earth treated plastic called Tyvec or dupont or something. Once the forces that make diamonds are applied to this horrible idea called home-wrap, we're gonna have ULTRA-LIGHTWEIGHT plastic which is virtually INDESTRUCTIBLE!!!! Thats whats UP!!! the perfect starship material!!!! Those corporate bozos may actually do something worthwhile......eventually. Maybe. I guess.
nutsackmania
nutsackmania 10 days ago
Hey more stupid pop-science for McDonalds workers to watch and pretend like they learned something through more rigorous means
Robot Six
Robot Six 10 days ago
I like how you had to scroll down a bit to avoid his memes
Derredmax
Derredmax 10 days ago
How do you know there is no oil on mars? Have you been there? There is going to be coal deposits, we know mars had oceans and that there is microbial biology in the soil samples. To say mars has no oil is a little premature don't you think?
attovishnu
attovishnu 11 days ago
Are they accredited? I'm guessing no.
Nike Crean
Nike Crean 11 days ago
That means when BFR(ITS) was firstly presented as an advanced carbon tech stuff they didn't know really how to make it. Not sure they now exactly know how to make that steel liquid cooled stuff. What next - cool al alloy rocket ? Will see..
fabio sunspot
fabio sunspot 11 days ago
Why not store fuel on the space station as part of a refueling base for all mission to Mars?
Jason King
Jason King 11 days ago
BS No one leaves the DOME...
Jason King
Jason King 6 days ago
@FreeTime Player Keep trying to prove the curvature and rotation.....
FreeTime Player
FreeTime Player 6 days ago
Jason King 😂😂😂 keep living those flat earth dreams
Big Red
Big Red 11 days ago
The brilliant engineering advances aside, ideologically it seems to me an incredible waste of money and resources preparing vehicles for interplanetary travel.
toklaut and another
@Jason Walker there are millions of women who use the same amount of money with one freaking Musk. What kind of comparison is that? Anyway, the world will end before we gona hv the need to go to mars. Trust me. No reply needed
Jason Walker
Jason Walker 11 days ago
US women spend more on gel nails every year than Musk will spend on the entire Mars rocket development program. You don't even want to know how much gets spent on useless pastimes like organized sports, where fat lazy people sit on their butts and watch other people exercise (this is about the stupidest waste of resources on our entire planet). The entire world's space budget - military and civilian alike, government and commercial alike - pales in comparison to the overwhelming waste that you and others like you engage in on a daily basis.
Wedge Antilles
Wedge Antilles 12 days ago
At 1:10, WD-40 was used to keep stainless steel from rusting? Huh? Isn't stainless steel well...stainless? Great video tho!! Nice work!
Not your Mom
Not your Mom 10 days ago
Stainless steel is a bit of a marketing term. Depending on things like quality and how well it is processed before the end user receives it but even stainless still can and will rust in the right conditions. if you find metallurgy a little interesting I suggest falling down the stainless steel rabbit hole on the internet, it is pretty interesting.
Emily Truman
Emily Truman 12 days ago
For fuck sake we don’t need rockets to go to space,we never have.Our space fleets don’t use rockets nasa and Elon Musk are going to be remembered as a joke because we have been going to mars for decades and humans live there.We have been going to other galaxies and we have space stations throughout the galaxies.The world needs to know the truth and we need to destroy the people in charge because they are only looking out for themselves not the world.we have antigravity technology medicine is extremely advanced which is only for the military and really rich people.The international space station is a joke and they won’t be remembered for the good they do which is not a lot they will be a joke and remembered as pathetic.
Emily Truman
Emily Truman 8 days ago
No I’m not making it up. Go through the nasa videos and the rover photos, yes it takes a while to go through but thankfully nasa doesn’t cover everything up they miss things. It’s a slow process but it’s worth it. It’s the same in Antarctica they try to cover things up that they don’t want us to see. Also reading a lot of books and looking at what archaeologists say the ones from a hundred years ago and see what they have said first hand. We can’t trust archaeologists say now because for a start humans have been around 600 thousand years, we are not using the right dates. Look up Nicholas Tesla and Erich Von danican, jason rice, Corey Goode, emery smith David Wilcock, Churchill, and look up hitler there is loads of evidence that proves hitler lived out his days free, I even found a photo of hitler with his Spanish girlfriend in New York. I believe the world should know the truth and now previous generations have passed the truth can come out but certain people and governments don’t want the truth to come out and I’m putting myself in a dangerous position by telling people the truth but I believe that’s the right thing to do. Everything to do with the space program is all contracted out to private companies because the public can use the freedom of information act and this can’t be used against private companies. A big red flag that Elon Musk is wanting to have a private company this proves he is in the secret space program. There are 2 sides to nasa there’s the one we see and the one that does the secret space program. Nasa held a 2 hour press conference and confirmed aliens are here, they only admitted to 4 races but it’s a start and it didn’t go on the news channels for obvious reasons, they did this to cover there asses they don’t want people saying why didn’t you tell us and now they can say they did. I don’t know if many people know this but news is all controlled, we only see what they want us to see it’s called a blackout and the law stops it from being released. For the record Russia and China speak openly about aliens and ufos. In the uk one of our airports was shut down and they said it was because of a drone it wasn’t a drone a ship without permission was in our skies. Governments and the 13 bloodlines who are really in charge like to discredit people and call them crazy if they don’t want the truth to come out and they still do it today and it’s not right and it needs to end now.
Emily Truman
Emily Truman 8 days ago
Sorry I should have said free energy technology and it is in use. Nicholas Tesla invented it but like now governments didn’t want this technology being used so they told everyone that Tesla was nuts and they burnt down his lab. We know this technology works because it was built and shown on tv I think it was the history channel, they built it from scratch.
Aaron Washburn
Aaron Washburn 8 days ago
Emily Truman I should amend that, “free energy” does exist in the form of solar, wind, hydropower etc. but not in any mystical device capable of pulling useable amperage out of the air.
Aaron Washburn
Aaron Washburn 8 days ago
Emily Truman there is no free energy. Yes, there are radio waves constantly bombarding us, but the power density of these waves isn’t even high enough to light a lightbulb. You can power things remotely, but that requires amplification which is not free. And perpetual motion machines are doomed by thermodynamics and uncontrollable losses even in the most efficient machines.
ŠQÛ!DƜȀRT T.
ŠQÛ!DƜȀRT T. 9 days ago
Emily Truman so do you have any evidence?? Links?? videos??? Anything?? Or did you just make that up?
Johnny Robinson
Johnny Robinson 12 days ago
I would love to see a video about how a rocket fuselage can support all the weight of the upper stages when it is only made of a cylinder of very thin sheet metal. It's just mind boggling why the Super Heavy won't just crumple like paper when the starship is put on top of it. Then when you add the fuel, and then cargo, and then put it through the acceleration and dynamic pressure. That sounds like putting a bowling ball on a paper cup and then shaking it. Also, why don't they criss cross the interior of the tank with truss structures and guy wires? This is an engineering miracle that is very mysterious.
Karl Wilson
Karl Wilson 12 days ago
waffle rock" isogrid
Jesus SavesUS
Jesus SavesUS 13 days ago
Optimism around musk seems foolish considering his history.
ŠQÛ!DƜȀRT T.
ŠQÛ!DƜȀRT T. 9 days ago
you mean his succesfull history? He doesn't have a bad history.
Control Z
Control Z 13 days ago
and youl never be rith
Zay1185
Zay1185 14 days ago
Aluminum...Aluminium...🤔🤨🧐😏😏😏
John
John 15 days ago
wouldnt it be better that instead of CNC the grid, make it of individual beams? The beams would have their microestructures oriented, so they should be stronger. A CNC piece doesnt have it microestrucutre oriented (well it does, but not to every beam)
Warren -•_•-
Warren -•_•- 15 days ago
Wow I fell for the transitionless ad this time Wasnt paying attention but still, smooth
Space Corp
Space Corp 15 days ago
a true profit monger, charging Us to solve their problems as usual.
Wade Sharp
Wade Sharp 15 days ago
Il remember this when i build my next space ship!! Thanks
Spartanm333
Spartanm333 15 days ago
Not taking the Michael... Can one of you engineers explain to me how 3 men got to the moon in 69 when, according to NASA, we don't have the capability to go above low earth orbit now. There is a great big fucking elephant in the room which tends to make any interplanetary adventure look like horse shit. What exactly have NASA done in the last decade for trillions of dollars a year... It's the greatest commercial scam in history.
ŠQÛ!DƜȀRT T.
ŠQÛ!DƜȀRT T. 9 days ago
nah man. We did go to the moon because it was a space race. When the space race ended there wasn't any motivation to go to space anymore. Now the space buisness is joined by the private companies. Now there is moitivation because these companies don't want to die. We have the capabiliteit to go above low earth orbit. The falcon 9 launched a satalite to geostationary orbit a few days ago. And now they're developing a bigger better rocket that can go to Mars and the orbital prototypes of these rockets are almost done. So no scam. Maybe Nasa is a scam, but SpaceX is not a scam.
Funk Obama
Funk Obama 15 days ago
nothing can go to space. we have a some firmament over us. rainbow is proof and so is operation fishbowl/ high jump. nasa fakes all aspects.
Wyatt B
Wyatt B 3 days ago
You have a small brain.
Damion .N Wongsang Il
this concept was sold to space x from the government
ŠQÛ!DƜȀRT T.
ŠQÛ!DƜȀRT T. 9 days ago
no this concept was made by spaceX.
Joe Paul
Joe Paul 16 days ago
Good Lord...... where's the flying Tesla?... lol 😂😂 😂😜
Schpankme Verimuch
Schpankme Verimuch 16 days ago
*WHO INVENTED THE SPACE ENTERPRISE?* 1543 - Jesuits invent Theory Heliocentricism 1582 - Jesuits invent Heliocentric calendar (Pope Gregorian calendar) 1651 - Jesuits invent Theory Mapping Moon (Selenography) 1763 - Jesuits invent Theory Atomic Energy 1809 - Jesuits invent Theory Transmutation of Species (see Theory of Evolution) 1923 - Jesuits invent Theory Missing Link, (bones lost molds prove find) 1931 - Jesuits invent Theory Big Bang, (another ejaculation into the virgin source) As shown, the Judaeo-FreemasonryVatican (Jesuits) instituted Heliocentricism (a corporation that has fooled billions of people) as the next centuries ticked by these science fiction stories began entering the major Universities (all faith based); from this point on the people were taught to replace Faith with Theory (pretend).
Schpankme Verimuch
@FreeTime Player your disassociation is duly noted. Tell me, whats wrong with the Historical Facts? Behold thy Lord God [G]ravity + O-|-<( )>-|-O _trade mark for the Church of Heliocentricism, all rights reserved_
FreeTime Player
FreeTime Player 6 days ago
Schpankme Verimuch yah keep living those lies
SOLO WADE
SOLO WADE 16 days ago
Most likely to blend in with the other shiny stars
Sean Fagan
Sean Fagan 17 days ago
Space x is a ponzi scam
ŠQÛ!DƜȀRT T.
ŠQÛ!DƜȀRT T. 9 days ago
no it isn't. lmao
David
David 17 days ago
"Nothing this heavy has entered the Martian atmosphere before" Asteroids: Am I a joke to you?
Richard Redner
Richard Redner 17 days ago
Why not transparent aluminum LOL
X DAFACTOR
X DAFACTOR 17 days ago
Barack Obama SATAN, Your Lease is UP!
Freedom Fighter
Freedom Fighter 17 days ago
I sware I've seen musk's stair- stepper ship make re- entry right above my head , in Texas. Looked like a huge flat bottom aluminum boat shooting Sparks out the back going all the way across the sky. @3:30am.. last Friday night. Really unbelievable!!!
Freedom Fighter
Freedom Fighter 3 days ago
If they say they are building it now, then they built it years ago .
Wyatt B
Wyatt B 3 days ago
That’s not it. They haven’t done any flights yet.
Swampy
Swampy 16 days ago
Thats wild
snaprollinpitts
snaprollinpitts 18 days ago
Dear Sir, why do you mispronounce the word aluminum, it is not spelled aluminium, so why do you pronounce it that way. mike
Aaron Washburn
Aaron Washburn 17 days ago
snaprollinpitts aluminium is the internationally recognized spelling. Only the US and a couple other countries spell it aluminum.
Johnny Hamilton
Johnny Hamilton 18 days ago
Hehe, he says aluminum funny. XD
skinet ciberdine
skinet ciberdine 18 days ago
usvid.net/video/video-mZ_Aq0YvBJ0.html disponible para viaje cientifico a velocidad warp
Mark Byers
Mark Byers 18 days ago
I can't even remember how you pronounced that
J R
J R 18 days ago
I own stainless steel
lessevdoolbretsim
lessevdoolbretsim 18 days ago
What if I don't have a brain?
T.M. Ritchie
T.M. Ritchie 18 days ago
sh!t show
J SANCHEZ
J SANCHEZ 18 days ago
Have u even heard about reverse engineering...that's what I thought....my BAD
PR NOTHALL
PR NOTHALL 18 days ago
What is maximum ‘serice’ temperature? What is SERICE @7m 13 sec...?.
Wyatt B
Wyatt B 3 days ago
Service
Soul Chicken
Soul Chicken 19 days ago
There is only one "i" in "aluminum." Silly foreigners...
PR NOTHALL
PR NOTHALL 18 days ago
There are really two “i” s in “aluminium”.Simple-minded Americans.
Tarquin Quinnum
Tarquin Quinnum 19 days ago
Could someone there please explain to me what TICKNESS is........?!.....
Indrid Cold
Indrid Cold 20 days ago
It is a spaceship. But it is not a starship. It can not travel between stars. Great documentary!
Indrid Cold
Indrid Cold 9 days ago
@ŠQÛ!DƜȀRT T. I see. It is its name. Not its function. Thank you for the clarification. I lose implied meaning many times because English is not my original language. Thank you.
ŠQÛ!DƜȀRT T.
ŠQÛ!DƜȀRT T. 9 days ago
It's named Staship. It's like Apollo.The name comes from the Greek god Apollo. There is no god, it's a rocket.
Kai Six
Kai Six 20 days ago
"Why SpaceX Built A Stainless Steel Starship" Because Elon watched "Flight of the navigator" as a kid and thought it was cool. Full Stop.
John Daniel Hubbard
IDIOT
airraid713
airraid713 21 day ago
I live near the construction site of Starship and drove by the location yesterday.It is easily visible from the street and a new building is under construction that can house the ship.
1969nitsuga
1969nitsuga 21 day ago
Stainless steel to avoid rust under the ocean... LOL
Vicente Dominguez
Vicente Dominguez 22 days ago
U really dum if u think we went to mars
nick
nick 23 days ago
Not owl uminum
nick
nick 23 days ago
Alum aloom i numb aluminum
Yeshe Rabsal
Yeshe Rabsal 23 days ago
Why didn't they laser sinter the isogrid?
Babbis Christos
Babbis Christos 23 days ago
U talking too much man! but brilliant, Thanks body!
TheYouChannel
TheYouChannel 23 days ago
Silo in space! Humans in space...there goes the neighborhood 😁🇺🇸
PBS
PBS 24 days ago
Anyone seen the Netflix series Salvation?
Gordon Johnson
Gordon Johnson 24 days ago
25 years ago, before starting my first SF novel, I asked a physicist friend for the best material for my proposed spaceship. He told me: 'stainless steel', because the net advantages outweighs the disadvantages, in comparison with other material options.
Steve O
Steve O 23 days ago
I think we need Teflon coated stainless steel, all that atmosphere stuff will just slide off.. LOL
Ma Urz
Ma Urz 24 days ago
Big flex
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