Ursa Major Technologies is an American aerospace company founded in 2015 and based in

Berthoud, Colorado Berthoud is a statutory town located in Larimer and Weld counties, Colorado, United States. The town population was 10,332 at the 2020 United States census with 10,071 residing in Larimer County and 261 residing in Weld County. Berthoud is si ...

. 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 Liquid oxygen, sometimes abbreviated as LOX or LOXygen, is a clear cyan liquid form of dioxygen . It was used as the oxidizer in the first liquid-fueled rocket invented in 1926 by Robert H. Goddard, an application which is ongoing. Physical ...

and

kerosene Kerosene, or paraffin, is a combustibility, combustible hydrocarbon liquid which is derived from petroleum. It is widely used as a fuel in Aviation fuel, aviation as well as households. Its name derives from the Greek (''kērós'') meaning " ...

Hadley engine The Ursa Major Technologies Hadley is a 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 i ...

, named after a character in

Ray Bradbury Ray Douglas Bradbury ( ; August 22, 1920June 5, 2012) was an American author and screenwriter. One of the most celebrated 20th-century American writers, he worked in a variety of genres, including fantasy, science fiction, Horror fiction, horr ...

's ''The Veldt''. It also develops the Ripley engine, with 50,000 pounds of thrust, aimed at the medium-launch market. Its commercial customers include C6 Launch Systems, a Canadian small satellite launcher, and U.S. launch startup Phantom Space. It also works with

Generation Orbit Launch Services Generation Orbit Launch Services (GO) is an American aerospace company based in Atlanta, Georgia that is developing the technology for launch services for small payloads. The air-launch approach developed by GO and its partners offers flexible l ...

and with

Stratolaunch Stratolaunch LLC is a private American aerospace company providing high-speed flight test services. It was founded in 2011 to develop a new air-launched space transportation system, with its corporate headquarters in Seattle. The company and ...

. In 2017, Ursa Major raised $8 million last with participation from the Space Angels Network. 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 BlackRock, Inc. is an American Multinational corporation, multinational investment company. Founded in 1988, initially as an enterprise risk management and fixed income institutional asset manager, BlackRock is the world's largest asset manager ...

. In April 2023 the company had about 270 employees. The company announced that it would supply the upper stage engine for Astra Space’s in-development Rocket 4. As of 2024 its Draper prototype engine demonstrated stability similar to solid fuels, along with the active throttle control and throttle range of a liquid engine.

Engines

References

External links

* {{Official, https://www.ursamajor.com Aerospace companies of the United States Private spaceflight companies Privately held companies based in Colorado American companies established in 2015

Engines

See also

References

External links