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General Electric has printed and tested a turboprop engine

The engine was developed for Denali Cessina aircraft from Textron Aviation. Two years ago, the developers decided to print a fully functional engine and since far — now there are only a few final tests.

"This is not just another printing experiment. For us, the creation of printed engine — a turning point, because of the design and development, we have moved and have almost successfully completed the entire test cycle of a fully functional engine," says head of development Paul Corkery.

A third of the engine is titanium part printed on a 3D printer. Reducing the number of parts from 855 to 12 reduces the engine weight by 45 pounds and reduce fuel consumption by 20 percent. Increased and the power engineers noted a 10 percent increase compared to a conventional engine of the aircraft.

After the tests finally show the performance of printed engine, it will only have to certify, after which we can safely launch them into production.


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