3D printed rocket parts

If you thought all these talk of 3D printed rocket parts was all show and no go, check out this video of Nasa hot-fire testing their 3D printed rocket parts, reaching temperatures of 6000 degrees Farenheit!

http://time.com/3222331/nasa-3d-printed-rocket/

3D printers can bring rockets to space.

If you thought the coolest application of a 3-D printer was creating aminiature model of yourself to show to your friends, then NASA has just proven you wrong.

Two 3-D printed rocket injectors were recently successfully tested by NASA at the Marshall Space Flight Center in Huntsville, Alabama. These powerful injectors mix liquid nitrogen and hydrogen to produce a combustion that can reach temperatures over 6,000 degrees Fahrenheit and generate over 20,000 pounds of thrust.

It sounds simple enough — the injectors’ design was entered into a 3-D printer’s computer, and the printer then built each part through a process known as selective laser melting.

“We wanted to go a step beyond just testing an injector and demonstrate how 3-D printing could revolutionize rocket designs,” said Chris Singer, director of Marshall’s Engineering Directorate.

With conventional manufacturing methods, the rocket injectors would require the creation and assembly of 163 individual pieces; with the 3-D printer, only 2 pieces were necessary. This unique method not only saved scientists and engineers time and money, it is also less likely to fail than the traditionally-built piece.

TIME.COM
 | Aug 29, 2014
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