Why SpaceX Built A Stainless Steel Starship

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  • Published on Feb 8, 2019
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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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Comments • 4 654

  • Real Engineering
    Real Engineering  8 months ago +427

    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/

    • Erik Johansson
      Erik Johansson 3 days ago

      Maybe one thing missed. SS does not have the same fatigue problem as Al alloys, the latter having zero strength as endpoint. This might be of importance when using the spaceship over a longer period and for reentry and a second takeoff. Also, considering possible injuries SS buckles and bends without cracking compared to Al alloys.

    • 4D bullshit Patroll
      4D bullshit Patroll 6 days ago

      Nah, Flash Gordon's 1930s riveted space ship. With extreme temperatures the metal will expand and contract so rivets are needs to allow movement.

    • OnideusMadHatter
      OnideusMadHatter 15 days ago

      Sometimes I forget that humans are stupid and haven't yet figured out how to grow biometal or flexmetal, like how they grow organs now, but using an interlaced combination of Bark Spider silk and Ironclad Beetle exoskeleton, which would produce a flexible material that'd be 25 times stronger than steel.

    • pe hgt
      pe hgt 16 days ago

      Elon Musk = Fake X
      Nikola Tesla free energy patents stolen. No batteries needed!!

  • Michael Mitchell
    Michael Mitchell 4 hours ago

    If this system can't be blocked by dictatorships like China, it will truly be a miracle. In which case, Elon Musk should receive a Nobel Prize.

  • Double D
    Double D 5 hours ago

    "it reduces the equipment the rocket will need to carry to Mers!!" lol Does anyone have Mers Ber?

  • Ray Foster
    Ray Foster 10 hours ago

    well at least the lie of us going to the moon gave us WD-40 :P lol

  • PRADEEP DOHARE
    PRADEEP DOHARE Day ago

    Sir please make video in hindi language, I can also understand this, my heartly desire

  • Carlo Jones
    Carlo Jones 2 days ago

    This all a distraction from the mothership EARTH And the climate change.
    Musk dreams of flying away to another instead of putting the brain powers to Earth problem.
    Steel won't work and the temperatures are not known.

  • Funny Memes
    Funny Memes 2 days ago

    Someone who actually pronounces aluminum like that...

  • The One
    The One 2 days ago

    Hahaha it's so fake, earth is flat!!

  • The Weaver Family
    The Weaver Family 2 days ago

    the narrator of this video is clearly much much smarter than those dumb dumb scientists working for space x. haters gonna hate.

  • Jeffrey Solomon
    Jeffrey Solomon 3 days ago

    Lol it’s a much simpler answer.

  • Krishna Mahesh
    Krishna Mahesh 3 days ago

    When even an Elon Musk Fanbouy like Real Engineering has to call it an "engineering shit show", you know Musk is on his last legs. Guess you can't fool all of the people all of the time Elon. You didn't start Tesla. You stole Martin Eberhard's company in a board room coup. Most of your (massively subsidized) cars have poor build quality. And your "prophetic pronouncements" are proving false. Your "hype a loop" is dead as is your little tunnel digger.

  • BOOTYMONSTER
    BOOTYMONSTER 4 days ago

    stainless steel gets very brittle at the temps on the side not heated by sunlight in space .

    • Aaron Washburn
      Aaron Washburn 3 days ago

      @BOOTYMONSTER but to your point, there are better materials to choose from.

    • Aaron Washburn
      Aaron Washburn 3 days ago

      @BOOTYMONSTER apps.dtic.mil/dtic/tr/fulltext/u2/429244.pdf

    • Aaron Washburn
      Aaron Washburn 3 days ago

      @BOOTYMONSTER there's a big but statement they left out. To transform fcc stainless to bct martensite (not bcc like the page claims) if needs to be deformed. Temperature alone will not transform it, the 3xx series austenitic stainless steels are well documented down to -423F.
      www.nickelinstitute.org/media/1723/materialsforcryogenicservice_engineeringpropertiesofausteniticstainlesssteel_4368_.pdf

    • BOOTYMONSTER
      BOOTYMONSTER 3 days ago

      ".... cryogenic temperatures can cause a normally ductile and tough stainless steel, such as 301, 302, 304, 321, to partially transform to bcc structure, resulting in an impairment of ductility and toughness. ...."

    • BOOTYMONSTER
      BOOTYMONSTER 3 days ago

      www.totalmateria.com/page.aspx?ID=CheckArticle&site=kts&NM=61

  • Minh Tran
    Minh Tran 4 days ago +2

    the top is too round, it needs to be pointy

  • Dannyx68
    Dannyx68 4 days ago

    tvclip.biz/video/ziVLbEoQ4Sc/video.html&start_radio=1

  • TheKormorant
    TheKormorant 5 days ago

    The melting point temperatures for ss are under compared to the upper atmospheres temps ...according to modern science so how do these materials handle not only the temps but the increase in temp by the friction etc . Everything played into the equation could someone please elaborate . Not a keyboard brave guy but someone from space x pls to end all the bs going around the web....

    • Lensflare Deviant
      Lensflare Deviant 3 days ago

      The temps in the upper atmosphere are a non factor the air pressure is far to low.

  • Mike Gorgichuk
    Mike Gorgichuk 5 days ago

    Real engineering indicates that after 621 miles above the earth the temperature is 3600 degrees F and gets higher. Soooooooo you would need some kind of material that can stand that temperature. 304 stainless steel melts at 4442 degrees F. Stainless steel could sustain the temperature. I'm wondering if the lunar expedition vehicles were all made of stainless Steel? Hmmmmmmmm.

    • Lensflare Deviant
      Lensflare Deviant 3 days ago

      No. You're understanding of heat and temp is somewhat flawed. The temp is high but the pressure is low. Low pressure means very little conduction of that heat.

  • Ricardo Jibaja
    Ricardo Jibaja 6 days ago

    I don't believe a word of this report.

  • Thomas Mahoney
    Thomas Mahoney 6 days ago

    FAKE-X is a Mylar balloon and not stainless steel. GEE, I wonder why they have never made airplanes out of stainless steel? Because airplanes are real and not dollar store balloons.

    • Aaron Washburn
      Aaron Washburn 2 days ago +1

      Lensflare Deviant well some people are just a bit confused on materials terminology, others seem to willfully ignore facts, not sure what the case is here. I’m always surprised how many people who have no knowledge or experience in metallurgy seem to believe there’s a conspiracy against titanium just because it isn’t used in everything.

    • Lensflare Deviant
      Lensflare Deviant 3 days ago +1

      @Aaron Washburn _Thomas Mahoney you’re an idiot_

      That's not only the truth but where I would have quit.. You have more patience than I.

    • Aaron Washburn
      Aaron Washburn 6 days ago

      Thomas Mahoney do you still think that the term “titanium stabilized stainless “ means it’s a titanium alloy and not a steel?

    • Aaron Washburn
      Aaron Washburn 6 days ago

      Thomas Mahoney I know titanium is not steel. The BAC-188 isn’t made out of titanium, it’s made out of stainless steel.

    • Thomas Mahoney
      Thomas Mahoney 6 days ago

      @Aaron Washburn titanium is not steel. They do not make airplanes out of steel and they make balloons out of silver mylar like this Fake-X thingy.

  • 4D bullshit Patroll
    4D bullshit Patroll 6 days ago

    Death trap. They need to approach it like the Italians did to conquer K2. They used an army supplying enormous infrastructure and support for the summit team. Harder than Everest. Likewise, they need a large revolving space station rotated around the earth with similar life support to earth such as gravity (rotation) and radiation insulation etc. It would carry a substantial crew. It would then build momentum over time in orbit before being released on a fast trajectory towards Mars to likewise become captured in it's orbit. From there attempts to land using shuttles would occur until a substantial base was built. The space station would be designed to return to earth by building a similar momentum in orbit before release towards earth and repeat the process indefinitely back and forth. So Space X can't do it on their own. Needs a global syndicate and a cheaper way to get mass into space. I'd recommend a gun barrel in the earth using propulsion from the base, not the craft to reduce fuel weight with an exit speed just under the speed of sound. Unmanned of course. This stuff could unite in orbit and plug together to form the station. Humans go later. Since the station would be radiation resistant anyway propulsion would be most likely nuclear. I think the Russians use it to propel their new unlimited range missile.

  • lawrence hunter
    lawrence hunter 6 days ago

    I don't know how to say this ? but I have never heard such ramblings of someone so unshore of basic endeavors..

  • Billy Ream
    Billy Ream 7 days ago

    Let's stop all this fakery. We already have SpaceTime warping tech; combustion is a distraction.

  • J Stihl
    J Stihl 7 days ago

    To keep it from rusting, up in space. 🤔

  • Marky Mark
    Marky Mark 7 days ago

    Just give Elon full control to run NASA going forward

  • Chris Billingham
    Chris Billingham 7 days ago

    Could you update this video for their new design?

  • geek nerd
    geek nerd 7 days ago

    By far my best video in Real Engineering Channel :) Thank you!

  • Victor Hugo
    Victor Hugo 7 days ago

    I just realized that all worker unions are in trouble, AI is taking over, the big 5 corporations of the planet, want their AI products in all factories, warehouses and delivery vehilcles to replace humans and reduce the population only to people that are clients = 90% population reduction, they can reduce population by man slaughter (taking away your job = killing you, if everyone in a family of 2 to 10 lose their job in the next 2 years then that is murder), we are exactly at the time for EVERYBODY to strike against the governments and demand that human jobs cannot be replaced .... otherwise every job you can imagine from a farmer, banker, doctor, lawyer, driver to a scientist´s job can be replaced by machines. They don´t need humans to harvest food or raw materials and process them to the final product or service, which is delivered into your house ................ PLEASE STOP SHOPPING ONLINE, YOU ARE FEEDING YOUR OWN DEATH.

  • Rod Schmidt
    Rod Schmidt 7 days ago

    I wonder if it is possible to extrude 301 stainless steel in a 9-meter diameter tube.
    Then the SpaceX workers would not have to do all that welding. (The best weld is no weld!)
    What are the technical challenges in this?
    So far, I am unable to find out the thickness needed.

  • machc1234golf
    machc1234golf 8 days ago

    Aaaah CGI is just wonderful to PLAY WITH isn't it ;)

  • machc1234golf
    machc1234golf 8 days ago

    Find a channel called Logic before Authority and watch his : Let's take A CLOSER Look at The Spacex STARSHIP

  • Chris montgomery
    Chris montgomery 8 days ago

    It actually looks like every other rocket.

  • Jake Pollen
    Jake Pollen 9 days ago

    Agree about the carbon fiber design and amazed they went that far into production with it there are so many safety issues.

  • God Is In The Details
    God Is In The Details 9 days ago +1

    holy crap, they machine those grid patterns!!

    • hiphop2kful
      hiphop2kful 6 days ago

      God Is In The Details ok right holy fuck. probably took 1 year

  • Daniel Gutierrez
    Daniel Gutierrez 9 days ago

    that amount of money and technology wouldn't be better to be tested first on a short trip to the moon?

  • DanielTheJediYT
    DanielTheJediYT 9 days ago

    You sound like jackspedicey

  • Quintessence
    Quintessence 10 days ago

    Its Dumb.. How are people going to get all the resources they need to survive on mars. Not that, but the long wait in getting to mars..

  • Mecano Pasensa
    Mecano Pasensa 10 days ago

    Can you imagine a monster ship like this falling down to our planet just minutes affter take off? How many people deaths can cause this monster ship if it fails to get off from our Orbit? Heavy and staineless steel hard, it can be just like an atomic bomb explotion at the hit.over earth. haaah!.

  • mah58455
    mah58455 10 days ago +1

    What about armament? Few turrets on sides and back and a frontal 30 millimeter chain gun should be sufficient.

  • Some White Guy
    Some White Guy 10 days ago +1

    *QUESTION* Could some type of device that is like a rope between Earth and our outer Atmosphere be built?

    • Brandon Atwood
      Brandon Atwood 8 days ago

      Like a head start on a space flight or for material transport, either way probably a future step much needes

  • sparrowJLT
    sparrowJLT 11 days ago

    starhopper is the name of the prototype... wich will not fly into space.. the craft name is Starship

  • Simon K
    Simon K 11 days ago +1

    The only thing interesting about this video is how the British basteerrdized the English accent. Good thing we wont use it in space travel.
    Artform = ERRRRRRTform
    AlumiNUM = Alumineeeeeuuummmmm
    Mars = Maaeeeerrzzz
    Extra ordinary = Extraeerrrrrdinary

    • Sai Sudhi
      Sai Sudhi 9 hours ago

      Yet he's still smarter than you, also he's Irish, not English you frog.

  • Noli Marcelo
    Noli Marcelo 12 days ago

    The advantages of stainless steel over aluminum alloys has long been recognized by Russian enginners -- in the 60s when they built the Mig 25 and Mig 31.

  • Robson Rover Repair
    Robson Rover Repair 12 days ago +1

    Flux displacement. Obviously. Old Doc Brown is likely in charge of the programme. But it needs more Jijjawatts.

  • just another human
    just another human 12 days ago +3

    "Why SpaceX Built A Stainless Steel Starship?"
    answer = to make people carry on believing in space.
    [ more specifically, if they applied a brick texture people probably wouldn't think it was real ]

  • Stephen Crumley
    Stephen Crumley 12 days ago

    Meanwhile in real life in 2019, not one ___space___ agency , private or government controlled can even get a live human being to the moon...... but folks somehow believe we can go 560 TIMES the distance to the moon, to Mars. If man can’t get 250,000 miles, why would anyone believe 140,000,000 is possible?

  • UnknownHumanoid
    UnknownHumanoid 12 days ago

    what a primitive technology...

  • Scott Gibson
    Scott Gibson 12 days ago

    What was the Apollo capsule made of?.....It was made of an aluminum honeycomb sandwhich bonded between sheet aluminum alloy. The base of the CM consisted of a heat shield made of brazed stainless steel honeycomb filled with a phenolic epoxy resin as an ablative material and varied in thickness from 1.8 to 6.9 cm. And dont forget this capsual was supposed to keep out the massive solar radiation as well. Kind of goes against your take.

  • onesoloving1
    onesoloving1 13 days ago

    Starship my ass. It's a rocket and will go no farther than low earth orbit then fall.

  • Strange Times
    Strange Times 13 days ago

    it is ALL a fucking LIE!!!

  • Jack Simple
    Jack Simple 13 days ago

    so why?

  • Unanib Azaqu Tahi El
    Unanib Azaqu Tahi El 13 days ago

    oposite magneto hidro dynamics generated per preassure
    angular magnetic giro spin
    anion flow

  • Thaumh
    Thaumh 13 days ago

    He used stainless steel because it's better for the flux dispersal during time travel, plus it's shiny.

  • K-Fan
    K-Fan 13 days ago +2

    How long is it going to take Elon Musk to figure out that NASA in the 1960s got it right with Lunar Obit Rendevous.and the LEM? And heck, the Moon landing didn't have to deal with an atmosphere to go through and more than twice the gravity on takeoff. Leave the bulk in orbit and only take down the surface stuff you intend to leave and the bit that you need to get back in orbit.This whole thing looks to me like a colossal, but unserious, effort. I suspect just like his Boring Tunnel (a totally silly concept) which was going to be using sleds and then abandoned them, Musk will come out with something different to hype later.

    • Lensflare Deviant
      Lensflare Deviant 3 days ago

      You're talking different mission goals. At no point was re-use a factor in Apollo engineering. As it is this thing won't be able to land on the moon without some support infrastructure there so it'll more likely ferry things no further than lunar orbit.

  • ice wall
    ice wall 13 days ago

    LOL

  • Anvilshock
    Anvilshock 13 days ago

    2:19 No, steel is NOT ~2.5 times HEAVIER THAN aluminium. It is ~2.5 times AS HEAVY AS aluminium, or ~1.5 times heavier than aluminium. Know the damn difference, you idiot!

  • Anvilshock
    Anvilshock 13 days ago

    Because why the eff not?

  • goose gatherer
    goose gatherer 13 days ago

    They have chosen stainless steel so the failures will be easier to find in the ocean when the suns rays bounce off the hull from the bottom.

  • Xander Arena
    Xander Arena 14 days ago

    I think he’s also going for shielding. Time to protect humans ‘actually’ leaving LEO.

  • HA RUST
    HA RUST 14 days ago

    but how many nukes can it hold?

  • eddiebruv
    eddiebruv 14 days ago

    Lots of pathetic Flat Earthers in the comments. Lol.

  • sosquadcopter
    sosquadcopter 14 days ago

    All that just to land in the Ocean