Watch NASA test 3-D printed rocket injector

September 2, 2014 3:45 PM

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According to a report from NASA, the federal space agency has successfully tested the most complex rocket engine parts ever designed by the agency and printed with additive manufacturing, or 3-D printing, on a test stand at NASA’s Marshall Space Flight Center in Huntsville, Alabama.

NASA engineers pressed the limits of technology by designing a rocket engine injector –a highly complex part that sends propellant into the engine — with design features created through 3-D printing. To make the parts, engineers loaded the design into the 3-D printer’s computer. The printer then ass...

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