The Genius of 3D Printed Rockets

3D printed rockets save on up front tooling, enable rapid iteration, decrease part count, and facilitate radically new designs. For your chance to win 2 seats on one of the first Virgin Galactic flights to Space and support a great cause, go to www.omaze.com/veritasium
Thanks to Tim Ellis and everyone at Relativity Space for the tour!
www.relativityspace.com/
/ relativityspace
Special thanks to Scott Manley for the interview and advising on aerospace engineering.
Check out his channel: / szyzyg
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References:
Benson, T. (2021). Rocket Parts. NASA. - ve42.co/RocketParts
Boen, B. (2009). Winter Wonder: Rocket Icicles. NASA. - ve42.co/EngineIcicles
Hall, N. (2021). Rocket Thrust Equation. NASA. - ve42.co/RocketEqn
Benson, T. (2021). Rocket Thrust. NASA. - ve42.co/RocketThrust
Regenerative Cooling - ve42.co/RegenCooling
How A Gold Bullet Almost Destroyed A Space Shuttle by Scott Manley - ve42.co/ManleyEngine
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Special thanks to Patreon supporters: Burt Humburg, Blake Byers, Dumky, Mike Tung, Evgeny Skvortsov, Meekay, Ismail Öncü Usta, Paul Peijzel, Crated Comments, Anna, Mac Malkawi, Michael Schneider, Oleksii Leonov, Jim Osmun, Tyson McDowell, Ludovic Robillard, Jim buckmaster, fanime96, Juan Benet, Ruslan Khroma, Robert Blum, Richard Sundvall, Lee Redden, Vincent, Marinus Kuivenhoven, Alfred Wallace, Arjun Chakroborty, Joar Wandborg, Clayton Greenwell, Pindex, Michael Krugman, Cy 'kkm' K'Nelson, Sam Lutfi, Ron Neal
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Written by Derek Muller, Petr Lebedev, and Emily Zhang
Animation by Mike Radjabov
Filmed by Derek Muller, Raquel Nuno, Trenton Oliver, and Emily Zhang
Edited by Trenton Oliver
SFX by Shaun Clifford
Additional video supplied by Getty Images & Pond5
Produced by Derek Muller, Petr Lebedev, and Emily Zhang

[@drrockf4d]

The old joke. "If the weld is stronger than the metal, then why don't we make the whole thing from weld?" Finally joke becomes reality

[@Gianfranco_69]

Ba-fricking-da-boom... thats funny

[@carlojones8610]

That wire and other factors make the total structural stress factors all over the surface on a micro scale that they can't find. Slag inside not easy to find. Like the sheet metal press molded auto body .. the stress factors are many and randomly happening on the microscopic surfaces that are hard the find and causes the whole thing to be no good.

[@MooneLightEntertainment]

@@carlojones8610 so are you saying it's not better to make the whole thing from weld?

[@agitatorjr]

@@carlojones8610 you should call them and let them know they are wasting money. SpaceX too. They are 3d printing parts as well. You'll be their hero.

[@shaider1982]

I was thinking the same thing. It now is practical to do it.

[@wolfetit]

Look at his smile as he talks about every single little step, mistake, success, finished pieces. You can tell he’s passionate about what he’s doing

[@darkamagumo716]

must be nice being passionate about something

[@khatharrmalkavian3306]

That's a business smile.

[@MrEazyE357]

He kinda has to be, no?

[@JavierChiappa]

Awesome guy and very clear to explain everything.

[@rh4009]

@@JavierChiappa If rocket science can be explained in simple terms, it might not be rocket science.

[@guffels]

Congrats Relativity on your successful Terran 1 launch tonight. So cool to have known so much from this video while I was watching the launch with my coworkers.

[@johnvonludd1738]

Terran1 failed and they will not make any more Terran1 rockets and no more 3D printed tanks. TerranR will be another 1 stage only reusable rocket with some 3D printed parts which will be launched somewhen in 2027. So I wouldn't say it is successful.

[@grandmasterautistwizard4291]

@@johnvonludd1738 Gotta start somewhere, right?

[@JaivianDean]

​@johnvonludd1738 Ima introduce the starship argument; Terran 1 was quite successful since its goal is MAXQ because they wanted to prove its structural integrity. Terran R was only skipped to because of the success of 1.

[@4g4m3n0n]

Well.... it worked!!!! I just watched their launch video and it was amazing! To get through Max Q and first stage separation on their first try with a 3d printed rocket is just nuts. I heard about Relativity for the first time here and was really skeptical about it working, but I'm so glad it did.

[@masterimbecile]

Looking for such a comment. It wasn’t a 100% success, but at least the part we’re interested in seeing did make it.

[@johnvonludd1738]

Terran1 failed and they will not make any more Terran1 rockets and no more 3D printed tanks. TerranR will be another 1 stage only reusable rocket with some 3D printed parts which will be launched somewhen in 2027. So I wouldn't say it is successful.

[@erinaisshu]

@@johnvonludd1738 i mean it was more successful than the first Starship launch ;)

[@johnvonludd1738]

@Erina Isshu I'm not against failing, I'm against using wrong ways to do something and trying to convince everyone that it's the best way just to give up on it later and start making things like everyone else.

[@benayers8622]

@@johnvonludd1738 He said "smooth surface is same as rough aerodynamically" i wouldnt let him near anything technical if thats an example of his intelligence! I hate spoilt rich kids with a vengeance, wastes of oxygen. Bout time we gave the best opportunity to poor people. The rich can be eduated to enjoy their inheritance and not be greedy and the poor can be taught to better themselves for their kids future. The current system is broken the rich bend evry rule law and tax in their favour as well as take all the decent jobs because it dont matter how clever or good you are its about being born rich enough and next its who do you know so again the rich employ and help their rich mates dont matter theres a faster better harder working option cos sadly wev let democracy totally fail and none of that matters anymore

[@id10tbutton]

This guy loves his job. Heaps of positivity and enthusiasm. Most excellent.

[@TimecastGaming]

Most excellent! *Hand guitar solo*

[@Ratchet2022]

Tim Ellis is the cofounder and CEO.

[@xTrqdz]

ahh yes!

[@bmxscape]

yeah if you started a rocket ship company i am sure you would show some positivity about it

[@trader2137]

that could be a PR move

[@Erik-pu4mj]

This is quite the incredible company. I'm particularly impressed with their algorithm enabling them to print warped in order to cool straight.

[@aleciacarpenter7856]

This is the best comment in the comment section! Super impressed with Ellis and Relativity Space!

[@anirudhasinghthakur6435]

Yeah that's a huge deal.

[@tomk3732]

This is standard stuff in metal 3d printing - just here a lot of it is done with an actual welder. The 3D printed parts are also made larger so they can be heat treated and end up with dimensions that frequently are finish machined to proper size.

[@madhouse5213]

I know this is pretty insane.

[@kabotteam]

You can also check out resonance filtering in Klipper 3D printer software. It uses resonant frequency models of printhead at high accelerations to cancel ringing, thus enabling faster printing. Oh, and it's free software (free as in speech ;) )

[@starcrashr]

The aerodynamics of 3d printed parts are pretty surprising. Some experiments have shown that the texture forms a cushion of air that actually reduces friction.

[@ohioplayer-bl9em]

Like a golf ball..

[@MrTsiolkovsky]

like a golf ball

[@Terrestre1]

Or shark's skin

[@halbarad7932]

Almost unbelievable

[@Aikano9]

When I first heard of 3d printing, one of my first thoughts was that in the future you could stick a welder on a robot arm and 3d print metal. Really cool to see a way more sophisticated iteration of that idea being used to 3d print a freaking rocket.

[@The_Phoenix_Saga]

And you know what the scary thing is - provided we don't wind up wiping ourselves out or what not: in a hundred years or less - this sort of "revolutionary" technology will be relegated to child's play. I mean just look at the Internet and computers - they were originally devised for advanced means and yet these days kids can do things with them that the original creators would never have imagined.

[@LitchKB]

As a hobby welder, this was really interesting. The fact they wrote their own software to compensate for warping so well blows me away.

[@korok2619]

there must be some hardcore AI engeneers at works there

[@pavellelyukh5272]

@@korok2619 this is so freaking obvious, this could applied to fdm, ultra fast antiwarping printing, although I rather print scram jet parts at 4500C instead using classified solid state flame synthesis 3D printing using planetary ball milled nano composite metal-ceramic powder. Mentioned the 3D printing idea to a post doc in 2018, couldn't talk about his DoD research, but my creativity isn't classified and I'm an anarchist IDK what they did but I think my approach has a chance of succeeding .

[@TauAlphaVu]

Seriously, the fact that they modeled thing so well that they intentionally print it "wrong" so that when it warps it will be exactly how they want it is really *really* impressive.

[@niladrimukherjee7]

It's actually easier to use ML to control defects than what you feel. I feel very excited thinking about what future holds for us

[@JesusHerrera-vx2pn]

That was the most impressive to me

[@243WW]

Don't care what he's building, flying to Jupiter or whatever, the fact that he's worked out the distortion into the weldment has got me sold. Nice job.

[@gnatdagnat]

Yea I thought that was insane, how can it be a predictable pattern which they can reverse engineer? Who tf would have thought to try that?

[@SyrupSplash]

@@gnatdagnat Rocket scientists who understand physics at a level so unbelievably high above our heads In seriousness I think material scientists would hold the crown on that achievement

[@noanyobiseniss7462]

@@SyrupSplash They are too busy wasting their time trying to figure out how to create materials to fail for forced obsolescence.

[@slateslavens]

yeah. ^^^ this.

[@djbabidadi2545]

Yeah, time to invest for sure. EDIT: Apparently the private sector is very interested, so there's no immediate plans to go public. :(

[@max2562]

I love the idea. I've been watching 3D printing grow to serious industry for a while now, but haven't seen something this ambitious. However, there is something that may need to be considered and that is the standardized testing that is typically performed on equipment like this before it is considered flight/space worthy. Currently, Non-destructive testing (NDT) is performed using many techniques, all of which are designed to look for discontinuities on material surfaces or porosities in welds, etc. When things are 3D printed they are not formed or created in the same manner and so they may or may not have the same types of flaws that are found by modern methods searching for these flaws. I mean to say, it is hard to tell what types of imperfections or flaws we might see as the norm within 3D printing. It could be that the material is better in every way. There just needs to be more testing and research in these larger scale things that 3D printers can create.

[@stevegarcia3731]

I hear you loud and clear. The imperfections within the material are something that has to prove itself. Years ago I did design work for ASME Code VIII pressure vessels. We tested Japanese flanged and dished heads for the radius ends of the vessels. The Japanese steel of the day had a problem with voids that arose when forming those heads. Big failure. But testing had to be done. 2 years later Japanese steel was higher quality than from U.S. Steel Corp. But the welding process used here is so controlled, my guess is that testing will give great results. Small welds have very much less wattage than heavier welds. I also see this as eliminating 'stress risers', which are serious failure points if they exist. All metal products start out as molten. That used to be in like Bessemer furnaces. Melting it as it is built is so effing cool. Removing all the machining and forming steps is a quantum leap in manufacturing slash assembly. Removing the individual parts and cutting down on how many - that is absolute genius, whatever company does it. I am retired now, but if I were 25 or 35, this is a company I would want to work with. The amount of creativity they get to do would have suited me perfectly. limi

[@steamboi5208]

3d printing plastic is is now affordable to any one, the Positron v3 is like $90 more precise that almost any non resin 3d printer and it can FOLD the thing can fold into a shape smaller than a laptop adding on to that is is among the fastest plastic 3d printers ever.

[@erikgrahn3363]

Spray it with spot checker and x ray it

[@dethtour]

I do inspections for the refineries. CWI and various API's stuff like this won't get x-rays. They'll end up doing UT (Ultrasound testing) due to how big it is. With a UT they can see any imperfections in the metal without using dinosaur sized film for X-ray. I'm pretty sure they check PT (Penatration testing) and before doing the UT. Interesting how simple this process is. I'm pretty sure porosity can be mitigated in a room filled with argon gas to keep the filler clean.

[@max2562]

@@dethtour I can't imagine the PT process for something this huge, but UT has come so far that it would likely be very easy. The problem I'm seeing now is that they talked about wanting to have this technology on Mars to make equipment there. I know they want to create buildings and structures, which arguably would not need much NDT, but if they are planning on creating anything space worthy while on Mars then there may be issues with that. The only way is if they created facilities large enough like hangars to house the equipment and have atmosphere. UT might be best without atmosphere, but I haven't really ever thought about that before. Regardless, there still is atmosphere on Mars just not much of it. Gotta wonder tho, if the low oxygen and no water environment will be a large enough advantage to the equipment's prolonged use.

[@jakubgro]

You got urself a new follower Relativity, really like the vibe and the direction you're going with. I believe manufacturing will be "printed" of some kind, master it and show the world how its done. Big thumbs up.

[@gothemcloud]

I recognized Scott Manley's voice way before his face was on screen. What a LEGEND.

[@masterofwriters4176]

I knew I wasn't the only one.

[@loganmoon380]

Same, all those hours of ksp tutorials...

[@remliqa]

Same, I actually had to check if I opened up another tab for Scott Manley video by mistake when I heard his voice.

[@quantumrandomness5114]

how unexpected that scott manley appeared lol

[@CJordanNicholson]

Awe, I need to start playing Kerbal again.

[@Moonbo]

The StarCraft referencing was the icing on the cake...

[@aer2964]

The whole nerdiness vibe really says something about the passion involved with this company.

[@thegrape426]

didnt expect to see you here

[@thesteamengineer442]

Oh hi moonbo I see you take inspiration from Veritasium for your builds.

[@christianmeeks4430]

It's incredibly nerdy and I love it.

[@harmsc12]

NOT ENOUGH MINERALS

[@nathanroberson]

@9:05 loved hearing about the brazing. It’s not actual welding. The base metals don’t melt. The best steel bicycle frames are brazed. And it was neat to learn they use brazing to move liquid hydrogen.

[@Vatsyayana87]

Literally on the pad right now, Good luck Relativity.

[@Caspar_Stanley]

Love that Scott is credited as "Internet Rocket Scientist". Just how he describes himself, and incredibly accurate 😂

[@livedandletdie]

Scott Manley is a legend, an absolute Legend, there's no other epitaph or superlative that could be used to describe him.

[@my3dprintedlife]

I heard his voice and smiled!

[@Caspar_Stanley]

@@my3dprintedlife Me too!

[@coltrinculo703]

@@my3dprintedlife yes

[@jake_]

I thought "hey, this guy sounds exactly like Scott Manley" and a few seconds later he appeared on screen..

[@MissingChunks]

As a qualified welder, the reverse warp simulation is amazing. Given the number of variables in the welding process this is very impressive.

[@JoshGariepy]

As a welding student - im curious how they avoid problems with oxide layer inconsistencies seeing as its aluminum welding. I guess maybe the printer runs cleaning passes before depositing metal?

[@vitruvianman7170]

As a pressure vessel inspector, I have serious doubts that that tank can handle 50psi of pressure. All it would take is one microscopic flaw in one of the welds would cause catastrophic failure. Welded metal air cooled as it is in this video is way weaker than forged or rolled metal. I would like to see the pressure testresults.

[@Jerichoswa11]

@@JoshGariepy I'm pretty sure the wave form changes are wiping any oxidation.

[@JoshGariepy]

@@Jerichoswa11 thats true, but i think it has potential for inclusions regardless unless the printer has some sort of precleaning action prior to adding filler

[@vitruvianman7170]

@@JoshGariepy agree, if they did the welding in a controlled chamber filled with a gas maybe. This is just a room at ambient temperature. Molten metal that cools at room temperature inherently cracks, when welding, preheating is used and post heating to align the grains in the welds. My bet there is cracks all through these welds.

[@itstisguy1456]

The amount of work and people you have long conversations with only to show highlights in the actual video of is truly astonishing man. Thanks for all the time and effort that you put in to each of your videos man

[@kiaraquinn9130]

love to see great educators teaming up to spread information to the masses

[@flatbill2]

I love that Scott Manley is delivering all of the technical details!

[@cengizteouluyurt7053]

The second i heard his voice i knew video is gonna get lit afterwards. Such a amazing guy

[@jackp.1711]

Yeah, the founder is clearly a very smart guy, but I would rate his tour 4/10. And his English 3/10. Scott Manley basically saved the video.

[@annando]

When Scott is speaking about something you instantly know that the content is well thought and correct.

[@coenraadloubser5768]

Yes... great video... but I hate that Derek is going real low on his sponsors :~-( I don't think any amount of money is worth supporting some of the last ones.

[@YuriusSan]

Bruh. His name is manly

[@Syy]

I ADORE that the whole company is full of Starcraft nerds.

[@shadowcheto85]

@cnmmd qiuoo Not enough Printer Spools The "we regularily joke that we need to build additional Pilons" just got me. The Final rocket will for sure be called a Carrier. Or OR Gantrithor (Tasadar's Carrier)

[@imbobb]

Well you kinda need people that needs to know about spacecrafts to like... Build a spacecraft...

[@imbobb]

@Kenric Young dude i literally was just saying you need people that knows about spacecrafts for a company like this.... calm down...

[@imbobb]

@Kenric Young when did I ever say that.. I didn't assume they don't, my comment was saying the opposite of what you somehow thought I said..

[@dfsdfsdfdg50]

Carrier has arrived !

[@bronzejourney5784]

Always wondered if it will ever be possible to print stuff with/as metals and rock(minerals?). Great stuff. I like the explanation at the end too, its not about who is a billionare or who is poor, its about enriching what it means to be a human being.

[@bluetech2809]

I could definitely see SpaceX acquiring them and keeping the entire team there just with way more resources at their disposable.

[@sfguzmani]

I would love to

[@nick_0]

Sounds good, but also having theme compete for the low orbit market sound's like a good way to boost innovation for both companies.

[@--Nath--]

Except you'd have Elon as a boss.. I'd be the hell out of there if you wanted to work for any sort of decent company..

[@AlexanderNash]

Competition is good

[@dsdy1205]

The founder was actually an intern at SpaceX before he decided to strike out and start Relativity

[@smartereveryday]

This video was fantastic. I love how it embraced the philosophical implications. I thought Scott's comments at the end about the future of 3D printing rockets were very interesting. Man, what a great video.

[@akshits630]

HI DESTIN!

[@cauchyschwarzkabhai257]

YO DESTIN!

[@donaldtrump2598]

A living legend has arrived

[@savepalestineuyghurs7735]

Waiting for something even cooler from you...

[@JWilliams12117]

Destin's just shaking his head about the lack of Laminar flow over that bumpy rocket.

[@midimusicforever]

"3D printing ain't rocket science." These guys: Hold my beer

[@Predated2]

To be fair, the point of science has always been to understand more so we can make life easier. If we have a proof of concept of such a rocket going to space with relatively normal expectations, we could cut the price of space missions in half, if not more. But what to do for all those rocket engineers? Focus more manpower on developing better 3D print systems, perfect the systems that have to go inside the rocket.

[@AxxLAfriku]

I have a big... BIG... BIIIIGGGGG... muscles!!! HAHAHA!!! What did you think I was going for? That's so DIRTY of you! GAGAGAGA!!! I am the funniest KZbinr ever! Maybe that's the reason why I have TWO (!!!) HOT (!) GIRLFRIENDS. Thanks for being alive, dear mi

[@h-hhh]

@@AxxLAfriku ok

[@CombraStudios]

Even rocket science is so easy it's not rocket science

[@dragon.fromindia3235]

GOD PLEASE DECREASE GOLD PRICE

[@karthikaddanki7749]

Naming your rockets and equipment after Starcraft is the cherry on top!! You got me hooked..

[@isangedighidaniel6612]

A pulse of concentrated heat changes a rod to a cylinder instantly. This is the holy grail of metal working.

[@AtomicFrontier]

Whenever I try 3D printing rockets they end up smashed into pieces in the Aussie outback. Guess the secret ingredient was GIANT LASERS! Thanks for the video Derek!

[@YokoYokoOneTwo]

@@thishandleistaken. hey

[@jamismiscreant7514]

I’m pretty sure the answer to any high level physics issue is more lasers

[@arnabnahiarunabh]

Hey @Veritasium Can we expect a video on the poll on your community page stating why most of us prefer odd no.s being red and even no.s being blue??

[@ASRocketry]

lmao

[@jip5889]

When is the crossover episode with Veritasium? I am a big fan of Atomic Frontier!

[@fahadsgmustafa]

the founder is such a wholesome and passionate guy, wish his company the best.

[@aktan4ik]

*cofounder

[@mac3864]

Terrible fashion sense though

[@noanyobiseniss7462]

@@mac3864 Good engineers could care less what you think they look like, they have better things on their mind.

[@FishFatty]

@@noanyobiseniss7462 except he's wearing a $200 belt buckle...

[@Trias805]

@@mac3864 Who cares? Thankfully, his job isn't about appearances.

[@5845623]

A great story, makes you wonder what else will be metal 3D printed that we never imagined. Thanks for the tour and the information.

[@Asal181]

I love his answer at the end. Excited, genuine, curious

[@nexusyang4832]

The fact this guy wants to create a build a factory through automation is exactly what you do in StarCraft. It all makes perfect sense.

[@hu-ry]

Time to warp in Carriers and 3D print some interceptors

[@listen1st267]

I'm still waiting for a reason to make a Colossus. Now that'd be tight

[@mikedaniel1771]

Pitch meeting references are tight!

[@whitealiens]

Well ,he said, they need more Pylons. He clearly is not from this planet.

[@stdesy]

But while you’re doing that the Zerg swarm all over you and you’re screwed

[@armedtoe]

Scott Manley x Veritasium crossover?… Perfection.

[@logicbuilder1204]

@@thishandleistaken. This guy who plays kerbal space program and knows a lot of rocket science.

[@columbus8myhw]

Slim Inkognito One of the people interviewed in this video. He has a KZbin channel discussing space and rockets

[@Hello-vz1md]

I hope veritasium do a crossover with Everyday astronaut KZbin channel

[@dragon.fromindia3235]

GOD PLEASE DECREASE GOLD PRICE

[@Zaid0611]

The genius behind all is the creator who design and build this 3D Printer.. Just incredible

[@mukuljobra3972]

At the end of the video, a crucial question was asked and the totally convincing answer was made. It's really very important to vision about that diverse mentality which may arise between those who will be traveling to space and those who can't afford it. After all we are humans, not the martians. Thanks to @Veritasium (Sir Derek Muller) for showing again, such an extraordinary and commendable work. 👍🏻👍🏻

[@WillN2Go1]

I like what Scott Manley said about their developing 3D metal printing capabilities as a solid contribution and business even if they don't make it as a rocket company. I usually just groan when some glassy eyed kid starts talking about 3D printing - because they never talk about material properties or metallurgy. These guys do. That is very very cool.

[@neoneo4221]

100% fake comment.

[@tuscansun2320]

@@neoneo4221 ?

[@christophejamoye8394]

IMHO they definitely should partner with spacex (not merge), SpaceX will have better rockets in the short term (more advanced on reusability), but the direction they are taking here is better for building the Mars base and the long term scaling up of Earth Mars transit.

[@Seraphim262]

@@christophejamoye8394 So they would lose the 3D printing knowledge to SpaceX and noone will further invest in them? I don't know.

[@gracialonignasiver6302]

@@christophejamoye8394 I doubt they want to seeing as how the two founders each previously worked for a rocket company, Spacex and Blue Origin, and decided that neither was innovating enough so they quit and started their own company.

[@davetoms1]

"You must construct additional Pylons" 14:38 ~ The world expert on 3D printing rocket hardware. Absolutely love it!

[@Go.Shaman]

i was looking for this comment. could we edit it with a timestamp? 14:38

[@davetoms1]

@@Go.Shaman done and done! :D

[@Go.Shaman]

@@davetoms1 thank you so much!

[@reddaxtor5662]

@VeroMithril Even I didn't get it. Can someone explain it please?

[@annybodykila]

Lmao i just posted the same comment and then found yours 😃

[@pratheekec]

This almost looked like a sci fi movie.....seriously inspired by these men who are revolutionizing everything...much love

[@interstellar618]

What an awesome video!!! That young man is just beautifully intelligent and I'm soo grateful for his/their efforts to space flight/manufacturing and furthering the endeavor or our intrepid human condition.

[@at0mly]

I love that Scott's title is "Internet Rocket Scientist"

[@vive335]

Benis

[@mdtanjirrahman2591]

Ha ha... I thought that was weird in a funny way

[@cuuh.]

oh no scott is the irs get out before they take your tax money

[@genXstream]

I'm just happy see there's a Scottish guy named Scott Manley. Sounds like a trope or placeholder name for a Scottish action hero.

[@stenlykorn28]

I showed this video to my dad who have been working all his life at one of Russian Rocket assemble plant until recent retirement. He was one of leading engineers and knows thing or two about rocket stuff. At first he doubted about 3d-printing from scratch such complex structure like spacecraft but when I translated all mentioned solutions for different issues he got truly amazed by the progress of such technology. He even forget for a moment all his anti-usa biases raised by soviet and Russian propaganda and had said - "This is our future. Hope, they gonna do the best for humanity."

[@commanderofkesariyaknights]

In Russia, future 3d prints the past

[@FranciscoGalarraga]

Good thing 3d printers exist everywhere. Pretty sure China and Russia are watching this video and taking notes.

[@peterpike]

@@Solid_Snake88 -- Why wouldn't they be when you have an entire political party and all the media in the West constantly accusing Russia of being behind every election they dislike?

[@thorblast7896]

@@Solid_Snake88 lol! usa is anti russia and china aswell my friend. wtf are u talking about?

[@kingdodongo4126]

@@Solid_Snake88 go away with your shitty vision of world politics we are about science here

[@logtrimmer]

I have been keeping up with the company and they had to attempts to launch the Terran 1 with another scheduled today. This is a great leap for proving what Additive manufacturing can do.

[@skysurferuk]

So... Just ally M.I.G., then. I've always seen that since my first 3D printer (retired Boilermaker), but quickly realised the massive tech issues that'd be needed to be overcome. Good to see it actually done, & love the close-ups of the process. Great work, guys! 👍

[@fasfan]

Every now and then Derek brings something to KZbin that just blows my mind. This is one of those times. There's so many little things here that just blows my mind. For example... I never would have considered what was stronger... traditional builds or 3D printed metal parts. Or that they have software that helps print a warped product so that it "warps" to straight. This is fascinating stuff.

[@TheDavidlloydjones]

Fasfan, One of the best comments here, imho: 'Course that's only because you agree with me... 😎. Seriously, I think you understood the video in a way that maybe 80++% of the people here didn't.

[@veryconfused9768]

I still can't believe it.i thought it was a clickbait

[@nastyy.8582]

can we talk about the materials team developing better suited alloys for this task..? thats insane alone. the anti-warp algorithm is bananas. as a mech. e. major I am drooling over this.

[@nastyy.8582]

@Rob Bannstrom great example, this is true

[@fasfan]

@Rob Bannstrom sure the idea has been around, but there's a little bit of a difference between a CD case injection molded in one piece and a freaking rocket part made 1mm at a time. Lol

[@MissSpaz]

The thing about (home) 3D printing is that it can be incredibly frustrating if you expect it to be something you can just set up like a paper printer and you get perfect results right out of the gate. Honestly it can be so incredibly frustrating that I've wanted to throw in the towel. But now I'm printing full body armor for cosplay like Iron Man. In the end, the concept is roughly the same for how this rocket is 3D printed. Pretty incredible.

[@HumanBeingSpawn]

Haha yes. I bought a printer about 3-4 months ago but didn't have time to start printing. I wanted to print some items for my house's ceiling fan plumbing and I thought I'd just upload my GCODE and press PRINT . Nope. You have to tune the damn thing based on filament and other factors. I'm learning quickly. I've printed 2 functional items so far and I'm loving it. My goal is to add another printer because waiting for ~10hrs is painful

[@mortenrobinson5421]

I've been wanting to get a 3D printer, but now you are scaring me. I do work in an office with a 3D printer and some skilled design engineers though, so maybe I can get some pro tips at work?

[@doulos5322]

add a BL touch I haven't leveled a 3d printer except the initial setup in years.

[@Fluffy3DP]

@@doulos5322 I recently got a kingroon kp3s, I made the mistake of not leveling it properly the first time, and I made a hole in the middle of the magnetic print bed. I want to add the sensor for auto leveling, but I'm not sure.

[@Fluffy3DP]

@@mortenrobinson5421 3D printers are really cool, and I think you should get one. I got the kingroon kp3s, which is relatively cheap. Make sure you learn how it works (basics, nothing too fancy). I usually print small models, and simple things though. Get one once you think your ready, and make sure you join help forums, or ask for help, because you will need it.

[@arthurprior4638]

Caveat occurs at 5:00 when he explains that this manufacturing method adds 5 to 10 % mass compared to traditional methods.

[@DoodleChaos]

We must construct additional pylons

[@-SquareBird-]

Yeah, 3D PRINT PYLONS

[@theonetralewolf]

We must construct additional pylons.

[@nerdsmith_uk]

We need a DoodleChaos liner rider hitting the pylons!

[@MarcusOania8]

WE MUST CONSTRUCT ADDITIONAL PYLONS!

[@kman6004]

RUSH E

[@maxidaho]

"Do we have enough B-roll of me nodding my head?" "Yes, yes we do"

[@BradenBest]

(in Alan Rickman's voice) "Not hardly"

[@bossmanviking]

dont forget shaking it No

[@naghanass2430]

Funny! I was thinking the same thing

[@herzogsbuick]

you mean {nods head yes}

[@undertheskysoblue]

(nods)

[@ninehundreddollarluxuryyac5958]

Love your description of 3-D printing as that thing you thought would be great but never get a result you're happy with. The beginning of that industry was dominated by start-ups that couldn't or wouldn't do the quality control needed to produce machines that actually worked as advertised. Lack of government or private lawsuits or arrests encouraged this.

[@The_Crazy_Monkey75]

Another very interesting video by Veritasium, as always. I can't wait for the future of Relativity Space!

[@PhazonBlaxor]

Yes. They didn't launch it last year like they said, and they won't launch anything this year either. Very interesting video by Veritasium indeed.

[@fakjbf3129]

At a minimum, a company that can rapidly prototype large, complex, and precision parts is never going to run short of potential clients. As Scott said once you get to the point of mass producing parts the benefits of 3D printing get eaten away by dedicated tooling. But if they focus on the flexibility of 3D printing, they can pivot to fill a niche in basically any manufacturing industry.

[@thornelderfin]

Well said! Plus even if you have dedicated factories for mass production you will still need the 3D printing for prototyping improvements.

[@FlyingJetpack1]

They can pratically be the company that would handle almost all the prototyping of rockets in the industry. It would be unfeasable for any other company to start this kind of 3D printing factory for their testing from the ground up just for their own needs, especially when there's a company that exists, and is willing to create your machiened pieces with years of experience in the field.

[@christophejamoye8394]

also note that, just like this shell type fuel tank structure he's shown, really weird shaped metal parts are almost impossible automate with normal tools, so even during mass production, some parts will need to be 3d printed.

[@dragon.fromindia3235]

GOD PLEASE DECREASE GOLD PRICE

[@JoshStrunk]

This guy and the StarCraft references has me in love with his company even more than just the thought of 3d printing models.

[@davidtibben6498]

The implications for 3-D printing tools when we eventually get to Mars is amazing. Very excited for the future.

[@zdenekburian1366]

Better first they buy a 3d cloth print machine able to complete the t-shirt of the poor employee at 4:44

[@almaguapa-sailboatliveaboa440]

Just amazing. 3D printing definitely reduces costs and accelerates delivery of end product.

[@SilliS]

Nice, nice... So are the STLs on Thingiverse yet or...?

[@kele9891]

Milloin uusi agu angka video

[@SuperJompaVideos]

Milloin uusi agu angka video

[@kevinshen9391]

lol

[@alexsmith7801]

@@ArmorLightning uhhh can I use PETG? I don't have an enclosure.

[@ocdkirby]

The scaling was off, I imported it and it was huge

[@TheHackysack]

Love the StarCraft theme. "You must construct additional pylons." Love everything about it.

[@noobzerg1990]

I wonder if he actually plays the game? I mean he sounds passionate so I hope so. If he does I bet he plays T due to the rocket being called terran

[@Monkey-Epic]

Super cool stuff. Thanks for finding this. I had always thought 3D metal printing was a cool idea way before its time. Now a few years later, its time!

[@Monkey-Epic]

You wont me back as a subscriber after the silly tungsten rod experiment. lol

[@vvhh9578]

Thanks for video on 3D printing rockets assembled

[@slippythefrog]

I love that this rocket scientist nerd threw on his black jacket, leather pants and flashy belt buckle and just owned it and acted like himself. He rocked it.

[@peterkotara]

Don't forget those boots.

[@Michael-ij6kg]

And he based his company culture baseline from a video game. Awesome

[@ikimihimiri633]

@@Michael-ij6kg which game?

[@toradoraization]

@@ikimihimiri633 starcraft

[@Tarvoskemwer]

and he comes off as far more trustworthy than someone in a suit

[@StormbringerMM]

The software adjustment for warping is aweeesommmmmmeeee

[@aleciacarpenter7856]

Toedilly!

[@imponent8]

ohh yes love email

[@spirosbaltsavias7961]

Yees, warpensation ftw

[@Fley1965]

They have three patents for machine learning systems for improving the print quality. No heated build platform, no heating chamber. This is a gamechanger.

[@jaybingham3711]

I wonder if they accomplished that via insights from adaptive optics.

[@katsauce]

Today was the day that Relativity finally got their maiden launch. The mission was to gather data at Max-Q. GLHF made its liftoff tonight and performed all throughout Max-Q and stage separation, but the 2nd stage engine didn't stay lit. GGs

[@conception3509]

It's great to see it all happen a year after I was introduced to this project by this very video.

[@camrynhunter6969]

Truly amazing. Cutting down construction time from 6 months to a couple weeks. Boi were evolving! God bless humanity

[@skenzyme81]

The StarCraft nerdery was DELIGHTFUL.

[@user-fuk3b2is4z]

I was gonna say lol

[@dooki3face]

build additional pylons

[@hutlazzz]

@@dooki3face not enough minerals

[@johnlucas463]

You Must Place that in a Power Field

[@BenReynoldsDIY]

additional pylons required

[@jurockclimb]

He sounds like a kid showing off all the toys in his bedroom. Clearly passionate about his company’s vision

[@sololeveling7390]

ikr? so wholesome

[@streekaiz1955]

@@sololeveling7390 What does ike mean

[@mistakoruto]

I liek that guy

[@thesauce1682]

That guy is ewasome

[@lactobacillusshirotastrain8775]

@@sololeveling7390 you shouldn't have edited the typo. ike = i made a typo deal with it. lmao

[@eve_squared]

The program that they made is absolutely insane as a concept, I have no idea where I would even start if I had to make that.

[@Dra741]

What excites me about the space shuttles engines is the turbo pumps they produce a lot of thrust also the cryogenic cooling of the flannels and other components

[@BrianTonerAndFriends]

The mathematics around that 3D printing must be really something. It is amazing that they can account for the cooling of the structure as they print it. Awesome video, I really enjoyed.

[@DOITWITHDAN]

as soon as he said starcraft, I got really invested lmao

[@kevinhale8162]

It took you 14 minutes to get invested into a 20 minutes video? 😂

[@Liam-fd4uh]

@@kevinhale8162 yes

[@adrianouellette6094]

ahhh... I still remember the old Jessica Alba map for StarCraft lol. Now I wanna play the OG starcraft.

[@ranveerkumawat5867]

@@kevinhale8162 km K K

[@ranveerkumawat5867]

@@Liam-fd4uhk K Vvk K Vkk V Mmkm Jm

[@thestockfother]

This guy makes it come off super extraordinary when Spacex and rocket lab have been 3D printing AND launching and building for years now. They arent the 1st one despite going on tabloids and espousing themselves as different.

[@1KJRoberts]

I love the Scott Manley cross-pollination of this segment. This is an inspiring video. Cool folks doing cool things.

[@lithominium9955]

and they also used a song from Kevin Macleode which was used in Kerbal Space Progam

[@avenuex3731]

The cutaways to Derek when Scott is explaining stuff are quietly hilarious.

[@EggBastion]

That's one way to put it

[@greenredblue]

"Don't 'cross the line'? What in the world does that mean? I didn't even draw a line!"

[@PopLadd]

Didn't you say the same thing on one of his last videos? Or are people just that amused by such a mundane thing?

[@whuzzzup]

I'd put it more like: Unnecessary and utterly stupid.

[@avenuex3731]

@@PopLadd the second

[@jmkikkawa]

Agree with everyone else, this was an incredible video. The flexibility of this fabrication method has me very excited.

[@WasatchWind]

Good luck have fun on your first launch Relativity!

[@Tingdere14]

I got so excited when I heard Scott Manley's voice at 3:56. Thought maybe my ears were playing a trick on me until he was on screen

[@kcharleyjk123]

Love the founder vision and how passionate and optimistic he is about the whole process. Best of luck for his company!

[@user-nf1bz3sn4z]

U wanna play Russian roulette?

[@CarbonRevo91]

@@eabradley1108 definitely an odd duck. If he didn’t have a rocket factory behind him in these shots, I’d think he was blowing smoke about half of it. And maybe he is. Some of the things he said and tried explaining just didn’t come across right.

[@vallorahn]

Exactly, the nervousness and some vague stuff he said, exactly like a young Elon. He will be successful. To achieve the unimaginable, you have to believe in yourself even if you have to, but don't know all the answers to questions relevant to reach your goal.

[@spookymanbearpig]

@@CarbonRevo91 He said the unevenness of the surface adds "only 5-10% more weight" which is OK. Bruh, how in the world is 5-10% additional weight commercially acceptable? He just brushed it off as no biggie. LOL, that's not how it works!

[@Sabrinahuskydog]

@@spookymanbearpig We'll certainly find out if it works when he tries to launch it. I hope it's beamed publicly.

[@NikhilSorout]

I just like the optimism and passion in the eyes of this guy!

[@intljonez]

The guy giving the tour just seems stoked on everything he’s talking about. Love it! Haha

[@LeoStaley]

I absolutely love that everything at this company is named after Starcraft. "YOU MUST CONSTRUCT ADDITIONAL PYLONS"

[@manojlds]

Isn't pylon a common English word in this field? 🤔

[@allmybasketsinoneegg]

I was about to comment that in all caps, now I guess I don't have to.

[@ghosthunter0950]

@@manojlds the "You must construct additional pylons" is a well known Starcraft phrase. He was clearly referring to Starcraft there. but I think that Like you said, he probably said the phrase because it was called a Pylon in the first place and they have to build a lot of it.

[@AtticusHimself]

It was SOOOO CRINGE

[@aegoni6176]

*We have embraced the glory of battle!*

[@dillonbledsoe7680]

Dude sounds like he's having a fabulous time building rockets

[@coreyodell6220]

It sounds like a literal child dream come true, especially with his passionate he seems about getting humanity out into space

[@thomaswilson818]

Flat out, this is the way to go! Toys used to me made by hand and out of wood, then injection molding with plastic and sadly some really toxic metals were also used in injection molding for many uses in our culture. So now here we are in the moment seeing a big part of the future in mass production of space rockets and it is exactly where our technology should be as for our human species in our time line on this beautiful earth. Enjoy the ride while you can!

[@outsider344]

Listening to Derek and Scott talk is like hearing the quarter finals of a KZbin "best voice" competition.

[@skrounst]

Seriously rooting for these guys. They seem like they are having as much fun as they are innovating space launches. Positive vibes!

[@cjbrenner13]

If you dont mind them burning up the earths oxygen while crying save the earth lmfao.

[@kdog__]

@@cjbrenner13 I don't think you understand that rockets almost do nothing towards the environment because of the fuel used. Cars are worse and even planes. The hydrogen fuel is not actually bad.

[@cjbrenner13]

@@kdog__ it takes more energy to produce hydrogen than other fuel sources. If you have a theory, research it before you comment opinions. Burning anything - in massive quantities depletes O2 - thats just that way it works.

[@youwantmyname9208]

@@cjbrenner13 yet you're here, not in cars video which release about 4.5 metric ton of carbon dioxide

[@jaxolotle]

@@cjbrenner13 hey so there's plenty of ways to get all the fuel you need sustainably, just because its not being done now doesnt mean its not possible

[@RKroese]

That reverse warp design blows my mind man! THAT is sheer genius!

[@samliong1446]

@Jerome Samuel ??? Sheer is spelled correctly in the comment.

[@NotOneToFly]

It's an engineering joke! Shear stress is one of the things they're fighting with that design.

[@iamnormal8648]

where is it (timestamp)?

[@CardinalTreehouse]

@@iamnormal8648 5:18 or so

[@Dec38105]

@@samliong1446 ffs there's always one prick rattling on about spelling

[@farmergiles1065]

So great to see the word "genius" in a video title and for it not to be hype! Great video that reveals the genius.

[@Wizardboz]

I was in ag in high school. We learned to weld, I remember him showing us jobs we could get with the skills he taught. One was just remaking gears and giant drill parts. We would slowly add layers remaking the worn out or rusted parts. We where basically 3D printing with pens. Except instead of plastic it was metal.

[@masonfarnsworth6730]

Man it's so weird watching people like derek,scott,destin,mark grow old over the years before our eyes. What a time to be alive with such free information.

[@bungalo50]

Muller, Manley, Sandlin and Rober would make for a VERY good podcast I think

[@travismiller5548]

Shots fired

[@Jesse__H]

@@travismiller5548 Growing older isn't an insult 🙄

[@kinggenderman1874]

@@travismiller5548 people like you are the problem 🤢

[@nobody4y]

"you wouldn't download a car" Not till industrial 3D printing becomes home use

[@lordomacron3719]

the Replicators of Star Trek are a step closer each day, basicly 3-D printing at the atomic scale.

[@aoeu256]

Imagine having self-replicating printers... and after they double to 1000 after 10 generations of doubling, have them independently create "growable" solar collectors and and wind turbines to power themeselves to double even more and for our energy needs hmm

[@erictred4529]

Thank you for making me smarter ! Love it! And thank you!

[@Friedrich-Wilhelm-1980]

can i just stop to say Scott Manly is fun to listen to ha is full of facts and genuinely excited

[@LateralTwitlerLT]

"it just adds 5-10% extra weight" Isn't that quite a massive weight increase when we talk about rockets?

[@benporter1997]

Lol my thoughts exactly.

[@labrinth999]

That and "It doesn't add any air friction" didn't sit right with me...

[@bestcreations4703]

I was thinking the same thing however i would also say keep in mind they are more than likley referring to the weight of just the casing compared to a proper casing and a difference in 5% of that is very small when compared to the weight of the fuel which it holds but i do agree it is still a concern maybe the reduction in weight isnt worth the additional manufacturing required to go in and smooth out all of the surfaces

[@MrKelsomatic]

I had the same thought. My guess is that maybe there are weight savings in other parts of the rocket that make up for this difference or that there is post-print finishing done to reduce weight. Just guesses.

[@mbgdemon]

@@labrinth999 Roughness can actually improve air friction, this is why a golf ball has dimples rather than being smooth

[@brianvalenti1207]

"Spawn more overlords" is the call to hire more managers.

[@jobflobad0by0b]

That's a zergling Lester

[@KertaDrake]

@@jobflobad0by0b Better get on that cold fusion.

[@reginaldmadlock]

Being able to print it warped and have it cool straight is so cool to me!

[@vivekb1658]

Fantastic video with great knowledge love the prospect of space and travel.

[@SeanHodgins]

Seems like a pretty cool company. I love the idea of pre-stressed materials by taking advantage of warping metal while manufacturing.

[@ringsystemmusic]

Oh *god* you’re right that’s pre-stressed isn’t it? Brilliant accident!

[@Platinum199]

@@ringsystemmusic I wish I was a brilliant accident lol

[@Relatablename]

I'm really curious about how they got that working anyways. It would surely be helpful on regular FDMs, and it'd definitely reduce the incidence of failed prints. Maybe there's some kind of sensor keeping the nozzle a uniform distance from the material?

[@skoolboy991]

omg just realized this.. it’s truly perfect

[@tragile9108]

What does that mean?

[@xxManscapexx]

Finally Derek/Manley crossover we always wanted.

[@PTNLemay]

Unexpected but pleasant surprise

[@henanigans]

Hullo, I'm Veritasium!

[@zombiekid2424]

I love how this guy is going with this imagine, smaller rockets to transport a small family and on top of that if we have a moon base we can make it a refueling station so that the trip to mars would be smoother and faster either way great work👍

[@brendanmorgan5155]

I got an interview request from Relativity and they literally linked this video in the email. Great video!

[@shoemakerleve9]

What team did you interview for?

[@Its-Just-Zip]

I always love seeing Scott talk about rockets he has a way of talking about this stuff that is extremely engrossing

[@chonkymonkey6988]

That would be the Scottish accent.

[@Soulsphere001]

@@chonkymonkey6988 He's also obviously very interested in the topic, and that makes it more interesting to the viewer as well.

[@rutvikpanchal466]

You have definitely set the bar for the quality of your videos in recent 5 - 7 videos. Every video is just an adventure and literally makes people ponder about the topics you discuss for like a week or so. For most of the science channels I watch, I would forget about it most likely in a day or so. I don't know if it's teaching or presentation skills but the topics you discuss have the highest retention rate.

[@kylbau]

Well said!

[@jb664q]

100% Agree!

[@Butterkekskrumel]

although this one felt a bit like watching a company ad

[@rutvikpanchal466]

@@Butterkekskrumel That's true but there's so much to take away from the video, you will probably be left wondering how cool the technology is and what other areas this can be used and what the future will look like for the rocket industry or even the CAD insutry as a whole.

[@adamharoon6021]

@@rutvikpanchal466 Exactly what I’ve been thinking. It’s videos like these that inspire me to go into engineering.