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[-]  06-11-18 19:59

GeekWire
Stratolaunch completes milestone preburner test firing for PGA rocket engine
Stratolaunch Systems, the space venture founded by Microsoft co-founder Paul Allen, says it has successfully completed the first hot-fire test of a key component for its hydrogen-fueled PGA rocket engine. The full-scale hydrogen preburner was fired up last Friday at NASA’s Stennis Space Center in Mississippi, less than a year after design work started. ‚ÄúThis is the first step in proving the performance and highly efficient design of the PGA engine. The hot-fire test is an incredible mile...

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