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  2. Hadley engine - Wikipedia

    en.wikipedia.org/wiki/Hadley_engine

    The Ursa Major Technologies Hadley is a 22-kilonewton (5,000 lbf) thrust Kerosene/LOX oxidizer-rich staged combustion cycle rocket engine. Hadley is the first engine developed by Ursa Major Technologies. It started development in 2015, and prototypes were test fired in 2018. [1] In March 2022 qualification of the engine was complete and flight ...

  3. Ursa Major Technologies - Wikipedia

    en.wikipedia.org/wiki/Ursa_Major_Technologies

    The company produces rocket engines and sells them to space launch and hypersonics companies, and the U.S. Government. The company makes a 5,000-pound thrust liquid oxygen and kerosene Hadley engine, named after a character in Ray Bradbury's The Veldt. [1]

  4. Surging rocket motor demand drives Pentagon to buy from ...

    www.aol.com/news/surging-rocket-motor-demand...

    A congressional aide and an industry executive who spoke on condition of anonymity said Shyu was referring to Ursa Major, a privately held company that uses 3-D printing to make rocket motors. A ...

  5. Astra (American spaceflight company) - Wikipedia

    en.wikipedia.org/wiki/Astra_(American...

    The first stage is designed around Chiron engines (modified Firefly Reaver engines) with a combined thrust of up to 80,000 lbf (360 kN), while the second stage propulsion is a Ursa Major Hadley ITV engine with a thrust of 6,500 lbf (29 kN). Astra aims to achieve a weekly launch cadence with this vehicle.

  6. US Navy awards rocket motor contract to Ursa Major in ... - AOL

    www.aol.com/news/us-navy-awards-rocket-motor...

    U.S. rocket propulsion start-up Ursa Major said on Monday it had signed a contract with the United States Navy to develop and test solid fuel rocket engines in an effort to develop a next ...

  7. Pentagon awards rocket motor maker Ursa Major $12.5 million - AOL

    www.aol.com/news/pentagon-awards-rocket-motor...

    U.S. rocket propulsion startup Ursa Major said on Tuesday it was awarded a $12.5 million contract to build out production and testing for new solid fuel rocket engines. The award, though small, is ...