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3D Printed Rocket Engine Parts Survive 23 Hot-Fire Tests – Parabolic Arc


By Hillary Smith
NASA’s Game Changing Development Program
HUNTSVILLE, Ala. Future lunar landers might come equipped with 3D printed rocket engine parts that help bring down overall manufacturing costs and reduce production time. NASA is investing in advanced manufacturing – one of five industries of the future – to make it possible.
Through a series of hot-fire tests in November, NASA demonstrated that two additively manufactured engine components – a copper alloy combustion chamber and nozzle made of a high-strength hydrogen resistant alloy – could withstand the same extreme combustion environments that traditionally manufactured metal structures experience in flight.
“This 3D printed technology is a game-changer when it comes to reducing total hardware manufacturing time and cost,” said Tom Teasley, a test engineer at NASA’s Marshall Space Flight Center in Huntsville, Alabama. “These hot-fire tests are a critical step in preparing this hardw ....

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