Commercial Spaceflight And The Dawning Age of NewSpace

Blue Origin Reaches Milestone in BE-4 Engine Development |

WASHINGTON — Blue Origin said Sept. 30 that it has completed more than 100 developmental tests of its BE-4 engine, which the company is building both for United Launch Alliance and its own vehicle.

The company said in a statement that the staged-combustion tests, performed at the company’s test site in West Texas, provided “measurable performance data” about the engine for its upcoming critical design review. That data covered various elements of the engine’s design and its manufacturing techniques, including the use of 3-D printing.

“We tested a number of injector element designs and chamber lengths at a variety of operational conditions,” said Rob Meyerson, president of Blue Origin, in the statement. “Rigorous component testing ahead of full-engine testing significantly increases confidence in the development schedule and projected performance.”

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