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Dartmouth Engineering | Dartmouth Engineering Students Win NASA Award

Jan 11, 2021 | by Julie Bonette
A team of eight Dartmouth engineering students was awarded
Best Technical Paper at NASA’s Breakthrough, Innovative and Game-changing (BIG) Idea Challenge. The team was one of eight finalists selected from across the country to present lunar exploration technology concepts and prototypes at the BIG Idea Challenge virtual forum earlier this month.
The Dartmouth team’s idea, SHREWs: Strategic Highly-compliant Roving Explorers of other Worlds, focuses on mobility achieved through a class of robots able to latch on to each other to minimize the chance of getting stuck or having to be rescued. The team took inspiration from shrews, who latch onto each others tails, forming a train or caravan, in order to move in a quick and orderly fashion. The modular, collaborative rovers were designed to help explore the Permanently Shadowed Regions (PSRs) of the Lunar South Pole. ....

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NASA reports 3D Printed Rocket Engine Parts make it through 23 Hot-Fire Tests

NASA reports 3D Printed Rocket Engine Parts make it through 23 Hot-Fire Tests

Huntsville, AL – 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 high-strength hydrogen resistant alloy – could withstand the same extreme combustion environments that traditionally manufactured metal structures experience in flight.
Hot-fire testing of an additively manufactured copper alloy combustion chamber and a nozzle made of a high-strength hydrogen resistant alloy. (NASA) ....

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Clarksville, TN Online NASA reports 3D Printed Rocket Engine Parts make it through 23 Hot-Fire Tests

[1] – 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 high-strength hydrogen resistant alloy – could withstand the same extreme combustion environments that traditionally manufactured metal structures experience in flight.
Hot-fire testing of an additively manufactured copper alloy combustion chamber and a nozzle made of a high-strength hydrogen resistant alloy. (NASA)
“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. ....

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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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Detailed text transcripts for TV channel - FOXNEWS - 20101208:22:36:00

Harry reid says he is expects to bring the tax compromise to floor. and public ceremony will be held for elizabeth edwards who will be laid to rest next to her son who died in a car accident in 1996. quick changing development with votes on funding the government and controversial dream act. join me in 24 minutes for special report now. back to glenn beck. glenn: welcome back, america. we showed you a little bit of what afl-cio trumpka is up to europe. ....

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