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(Bloomberg)   You wouldn't 3D print a rocket, would you? Fark you, we would, we can, and we will   ( bloomberg.com) divider line
    More: Cool, rocket, Relativity, lean rocket startup, rocket company, Rocket Lab Ltd., Relativity Space Inc., Blue Origin, 3D printing  
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1282 clicks; posted to Geek » on 20 Oct 2017 at 6:35 AM (4 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



22 Comments     (+0 »)
 
View Voting Results: Smartest and Funniest
 
2017-10-20 07:41:00 AM  
And why not? Subbys mom already 3D printed a John Holmes....
 
2017-10-20 07:53:42 AM  
i.pinimg.comView Full Size
 
2017-10-20 09:27:02 AM  
I would think 3D printing would be the most effective infrastructure for construction projects off world (space or other worlds).  Building rockets with 3D printing on the ground is the first step toward that.  I want to see the results!
 
2017-10-20 09:30:31 AM  
NASA in the 60's: we're collecting the best America has to offer, and we are going to the moon!

NASA 50 years later: we are a contracting vehicle
 
2017-10-20 09:49:26 AM  
i.imgur.comView Full Size
 
2017-10-20 10:46:01 AM  
"The going rate for a rocket launch is about $100 million; Relativity says that in four years its price will be $10 million."

That's some bullshiat marketing wank.
Bet this never goes anywhere.
 
2017-10-20 10:56:11 AM  

SomeAmerican: NASA in the 60's: we're collecting the best America has to offer, and we are going to the moon!

NASA 50 years later: we are a contracting vehicle


Tax cuts for the rich are more important than Human progress.
 
2017-10-20 11:12:03 AM  
Here, have a great big helping of schadenfreude... :^)

img.fark.netView Full Size
 
2017-10-20 11:12:57 AM  

theresnothinglft: I would think 3D printing would be the most effective infrastructure for construction projects off world (space or other worlds).  Building rockets with 3D printing on the ground is the first step toward that.  I want to see the results!


I have to stop farking around on Fark and get the goddamned novel finished. Real life is catching up to it. This is how the protagonist's entire farking starship gets built (first written... damn, June 2015, over two years ago).
 
2017-10-20 11:16:38 AM  

Stone Meadow: Here, have a great big helping of schadenfreude... :^)

[img.fark.net image 850x305]


That is so nice.
 
2017-10-20 12:04:32 PM  

mrsleep: "The going rate for a rocket launch is about $100 million; Relativity says that in four years its price will be $10 million."

That's some bullshiat marketing wank.
Bet this never goes anywhere.


It is only $100 thanks to Spacx pushing it down that far.  They still charge at least $60 million to launch a used rocket (which will be used again).  No matter how cheap your rocket, it will be hard to beat that.

It is also hardly new.  Back in 2013, NASA printed out an update of the old F-1 (Saturn V main engine).  Presumably they were using 3d printers that NASA had on hand.

SomeAmerican: NASA in the 60's: we're collecting the best America has to offer, and we are going to the moon!
NASA 50 years later: we are a contracting vehicle


NASA contracted out the Saturn V, and it was subcontracted around the country pretty much the way any large pork project would.  Just like the DoD/Department of War never built the tanks for the Army.  That's just not how the government does things.  Things went a bit extreme since now "NASA employees" are really contractors (they may have hired a few GS-types since Apollo, but not many), but they've always used contractors.
 
2017-10-20 12:15:13 PM  
I miss Quantum Apostrophe. He was a sane and reasonable guy in threads full of... well, you know who you are.
 
2017-10-20 12:28:36 PM  
Currently, 3D printing only works efficiently for small, complex parts.  SpaceX for instance prints the main engines for the manned version of the Dragon spacecraft.  They would otherwise be deviously complex to machine, akin to building a bulletproof ship in a bottle.

However it's terrible for large, simple parts.   Printing a huge fuel tank or rocket body would be about the worst application possible.  You can make these faster, cheaper, and with fewer possible points of failure just using rolled sheet metal and a good welder.  SpaceX does that too.
 
2017-10-20 01:46:45 PM  
Rocket? Pfft. I 3D printed a Tardis.

img.fark.netView Full Size
 
2017-10-20 01:49:57 PM  

Grahor: I miss Quantum Apostrophe. He was a sane and reasonable guy in threads full of... well, you know who you are.


Space nutters?
 
2017-10-20 02:34:23 PM  

Stone Meadow: Here, have a great big helping of schadenfreude... :^)

[img.fark.net image 850x305]


The funniest thing about this is that even when he posted it, he was already wrong. SpaceX was already 3-d printing parts of their rocket engines

Ditto jet engines that *are* 3-d printed.  GE has been printing fuel injectors and turbine blade for a number of years, and it's becoming even more important as combustion chamber temps go up.  You need to 3d print cooling channels into the turbine blades since they are in an environment quite a bit hotter than their melting temperature.
 
2017-10-20 02:49:44 PM  

Glockenspiel Hero: Stone Meadow: Here, have a great big helping of schadenfreude... :^)

[img.fark.net image 850x305]

The funniest thing about this is that even when he posted it, he was already wrong. SpaceX was already 3-d printing parts of their rocket engines

Ditto jet engines that *are* 3-d printed.  GE has been printing fuel injectors and turbine blade for a number of years, and it's becoming even more important as combustion chamber temps go up.  You need to 3d print cooling channels into the turbine blades since they are in an environment quite a bit hotter than their melting temperature.


Is that right about turbine blades?

Saw a documentary about material science that showed RR turbine construction. IIRC the blades are grown from a single crystal of aluminium, so there are no boundary layers in the blade.

3D printing would be the opposite of that, Shirley?
 
2017-10-20 05:50:56 PM  
Here's an article about single crystal turbine blades.
 
2017-10-20 07:51:12 PM  

iron de havilland: Here's an article about single crystal turbine blades.


Ok, a bit of confusion on my part since I conflated two reports.  GE has been printing the fuel injectors and other parts for turbines for a while.  Siemens is doing the turbine blades, but that's more recent and I thought they were in full production.

In either case, SpaceX has been 3d printing rocket parts for a while.
 
2017-10-21 04:19:17 AM  

Stone Meadow: Here, have a great big helping of schadenfreude... :^)

[img.fark.net image 850x305]


What I think was really funny was that he pooped on 3D printing and space exploration, but he firmly believed that immortality elixirs were right around the corner
 
2017-10-21 11:32:48 AM  

Mega Steve: Stone Meadow: Here, have a great big helping of schadenfreude... :^)

[img.fark.net image 850x305]

What I think was really funny was that he pooped on 3D printing and space exploration, but he firmly believed that immortality elixirs were right around the corner


A conservative selectively ignoring science and technology? My shocked face...
 
2017-10-21 02:22:17 PM  

Stone Meadow: Mega Steve: Stone Meadow: Here, have a great big helping of schadenfreude... :^)

[img.fark.net image 850x305]

What I think was really funny was that he pooped on 3D printing and space exploration, but he firmly believed that immortality elixirs were right around the corner

A conservative selectively ignoring science and technology? My shocked face...


I always had a sneaking suspicion that he had some sort of deadly incurable disease, from whence his obsession with life extension research and sputtering rage at anything that might divert resources from it.

/either that, or he was just another aspie douchenut on the internet
 
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