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GE Aviation's Additive Development Center near Cincinnati has produced a number of firsts but they are now demonstrating a working 3D-printed jet engine for an RC-sized model. The engine turns at 550 rotations per second and is made entirely from metal 3D-printed parts. They used the same EOS M270 3D printer that they use to produce the first and only FAA flight-approved 3D-printed hardware, a T25 pressure and temperature sensor for use in GE90 jumbo jet engines.
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General Electric 3D-Prints a Working Jet Engine
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Two is not equal to three, even for large values of two.
(Score: 0) by Anonymous Coward on Saturday May 16 2015, @03:27AM
People have been casting hollow metal shapes for thousands of years, but when all you have is a 3-D printer, all your projects look like 3-D printing projects! History never happened. Reinvent everything.
(Score: 2) by MichaelDavidCrawford on Saturday May 16 2015, @03:52AM
yeah I know how to cast a hollow sphere but can you do it with a close tolerance?
Yes I Have No Bananas. [gofundme.com]
(Score: 1, Funny) by Anonymous Coward on Saturday May 16 2015, @04:02AM
Nope, simply not possible using any human technology. Contact the aliens who built Stonehenge and ask if they want to do some contract work.