NASA Tests 3-D Printed Rocket Part to Reduce Future SLS Engine Costs.

3D Printing
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NASA Tests 3-D Printed Rocket Part to Reduce Future SLS Engine Costs.
https://www.nasa.gov/exploration/systems/sls/nasa-tests-3-d-printed-rocket-part-to-reduce-future-sls-engine-costs

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Bit slow on the uptake, Rocket Lab and Space already use 3D SLS Printing for their engines

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the SLS is a jobs program, not a rocket. It was a handout by congress to keep legacy shuttle jobs in shitholes like Alabama and Louisiana.

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@Brett_Stevens That is very much the partial truth, without the shitholes part. Yes it comes down to jobs, but there is also the brain drain if all those employees are let go. Some times in government circles it better to keep your workers on a job, rather than to let tem go. The space industry took 80 years to build up, and to start whole facilities over from scratch would be too costly.

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I think it’s a continuation of an older program. I’m pretty sure all aerospace organizations are using multiple forms of 3d printing. Three year old article: https://www.nasa.gov/content/3-d-printed-engine-parts-withstand-hot-fire-tests

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Just because a part survived an engine run, does not make it a successful test. The 3D component has to be disasembeled and xrayed / cut up to be inspected for damages. Any parts that show cracking, flaking, or shedding, means its back to the drawing board, and it won’t be used in the actual flight rockets.

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