NASA fires up RS-25 Artemis moon rocket engine test for 500 seconds

NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. The test lasted about "eight-and-a-half minutes (500 seconds), the same ...
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AFRL, Ursa Major Achieve Supersonic Speeds With ARMD Missile Demonstrator

The Affordable Rapid Missile Demonstrator, or ARMD, powered by Ursa Major’s Draper liquid rocket engine, achieved supersonic speeds and validated concepts of operations during a recent flight test, ...
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The Japanese Six-Cylinder Engine That Refused To Be Replaced

This V-6 is still being put in cars almost 30 years later.
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Draper liquid rocket engine achieves supersonic speeds in US Air Force test

The Air Force Research Laboratory (AFRL) and Ursa Major have successfully completed the first ...