NASA's 3D printed rocket parts cut time and ... - CNET

NASA's rocket injectors manufactured with traditional processes would take more than a year to make, but with these new 3D printing processes, the parts can be produced in less than four months, with a 70 percent reduction in cost. Here, propulsion systems engineer Greg Barnett prepares a 3D printed rocket injector for a hot fire test at NASA's Marshall Space Flight Center in Huntsville, Ala., on August 22. The 9.5-inch injector is about half the size of the injector for the RS-25 engine slated to power NASA's Space Launch System. It was made with just two pieces, whereas a similar injector made with traditional welding had 115 pieces. August 27, 2013 4:45 PM PDT Photo by: NASA/MSFC/Emmett Given | Caption by: James Martin via Science - Google News http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNEdreEbkSYQ34yn_hJSxjB8q31zWA&url=http://news.cnet.com/2300-11386_3-10017996.html

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