Ursa Major Technologies, Inc.
TypePrivately held company
IndustryAerospace
Founded2015
FounderJoe Laurienti
Headquarters
Berthoud, Colorado
Number of employees
270 (2023)
Websitehttps://ursamajor.com

Ursa Major Technologies is an American aerospace company founded in 2015 and based in Berthoud, Colorado. 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] It also develops the Ripley engine, with 50,000 pounds of thrust, aimed at the medium-launch market.[2]

Its commercial customers include C6 Launch Systems, a Canadian small satellite launcher, and U.S. launch startup Phantom Space.[3] It also works with Generation Orbit Launch Services and with Stratolaunch.[4]

In 2017, Ursa Major raised $8 million last with participation from the Space Angels Network.[5]

In December 2021 the company closed its largest funding round to date: an $85 million Series C led by funds and accounts managed by BlackRock.[6]

In April 2023 the company had about 270 employees.[7]

In April 2023, the company announced that it would supply the upper stage engine for Astra Space’s in-development Rocket 4.[8]

Engines

Engine Hadley[9] Ripley[9] Arroway[9] Draper[9]
Status Initial production In development In development In development
Thrust at sea level, lbf 5 000 50 000 200 000 4 000
Propellant Liquid oxygen/kerosene Liquid oxygen/kerosene Liquid oxygen/methane Hydrogen peroxide/Kerosene
Technology Oxygen-rich staged combustion Oxygen-rich staged combustion Full flow staged combustion[10] Closed catalyst cycle
Reusable Yes Yes Yes Yes
Maximum gimbal angle ±7° ±5° ±5°
Intended use Low Earth orbit,
geostationary orbit,
in-Space,
hypersonics		 Low Earth orbit,
geostationary orbit		 Medium and heavy boost Hypersonics,
defense

See also

References

  1. ↑ "Rocket engine startup sees opportunities in crowded launch market". SpaceNews. May 3, 2021.
  2. ↑ "Ursa Major says its Hadley engine supports vertical launch and hypersonic uses". 23 March 2022.
  3. ↑ "Former Air Force procurement chief Will Roper joins board of space startup Ursa Major". SpaceNews. April 28, 2021.
  4. ↑ "Stratolaunch plane flies again as company prepares for hypersonic tests". SpaceNews. January 17, 2022.
  5. ↑ "Ursa Major Technologies wants outsourcing engines to be the norm". SpaceNews. September 9, 2018.
  6. ↑ "Ursa Major raises $85M to disrupt the vertically integrated launch sector".
  7. ↑ "Ursa Major purchases 90-acre property in Berthoud, ramps up hiring and production". January 14, 2022.
  8. ↑ Alamalhodaei, Aria (2023-04-25). "Ursa Major to provide engines for the upper stage of Astra's new rocket". TechCrunch. Retrieved 2023-06-08.
  9. 1 2 3 4 "Ursa Major engines". September 8, 2022.
  10. ↑ "Inside Ursa Major's State-Of-The-Art Rocket Engine Factory!". YouTube. September 28, 2023.
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