Ursa Major Technologies

{{Short description|Aerospace manufacturer in Colorado, US}}

{{Infobox company

| name = Ursa Major Technologies, Inc.

| type = Privately held company

| industry = Aerospace

| founded = 2015

| founder = Joe Laurienti

| hq_location_city = Berthoud, Colorado

| num_employees = 270

| num_employees_year = 2023

| website = https://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.{{Cite web|url=https://spacenews.com/rocket-engine-startup-sees-opportunities-in-crowded-launch-market/|title=Rocket engine startup sees opportunities in crowded launch market|date=May 3, 2021|website=SpaceNews}}

It also develops the Ripley engine, with 50,000 pounds of thrust, aimed at the medium-launch market.{{cite web | url=https://arstechnica.com/science/2022/03/ursa-major-says-its-hadley-engine-supports-vertical-launch-and-hypersonic-uses/ | title=Ursa Major says its Hadley engine supports vertical launch and hypersonic uses | date=23 March 2022 }}

Its commercial customers include C6 Launch Systems, a Canadian small satellite launcher, and U.S. launch startup Phantom Space.{{Cite web|url=https://spacenews.com/former-air-force-procurement-chief-will-roper-joins-board-of-space-startup-ursa-major/|title=Former Air Force procurement chief Will Roper joins board of space startup Ursa Major|date=April 28, 2021|website=SpaceNews}} It also works with Generation Orbit Launch Services and with Stratolaunch.{{Cite web|url=https://spacenews.com/stratolaunch-plane-flies-again-as-company-prepares-for-hypersonic-tests/|title=Stratolaunch plane flies again as company prepares for hypersonic tests|date=January 17, 2022|website=SpaceNews}}

In 2017, Ursa Major raised $8 million last with participation from the Space Angels Network.{{Cite web|url=https://spacenews.com/ursa-major-technologies-wants-outsourcing-engines-to-be-the-norm/|title=Ursa Major Technologies wants outsourcing engines to be the norm|date=September 9, 2018|website=SpaceNews}}

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.{{Cite web|url=https://techcrunch.com/2021/12/07/ursa-major-raises-85m-to-disrupt-the-vertically-integrated-launch-sector/|title=Ursa Major raises $85M to disrupt the vertically integrated launch sector|date=7 December 2021 }}

In April 2023 the company had about 270 employees.{{Cite web|url=https://www.timescall.com/2022/01/13/ursa-major-purchases-90-acre-property-in-berthoud-ramps-up-hiring-and-production|title=Ursa Major purchases 90-acre property in Berthoud, ramps up hiring and production|date=January 14, 2022}} The company announced that it would supply the upper stage engine for Astra Space’s in-development Rocket 4.{{Cite web |last=Alamalhodaei |first=Aria |date=2023-04-25 |title=Ursa Major to provide engines for the upper stage of Astra's new rocket |url=https://techcrunch.com/2023/04/24/ursa-major-to-provide-engines-for-the-upper-stage-of-astras-new-rocket/ |access-date=2023-06-08 |website=TechCrunch |language=en-US}}

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.{{Cite web |last=Szondy |first=David |date=2024-06-04 |title=Radical hypersonic engine blasts hotfire tests |url=https://newatlas.com/military/ursa-major-hypersonic-engine-hotfire-tests/ |access-date=2024-06-10 |website=New Atlas |language=en-US}}

Engines

class="wikitable"
EngineStatusThrust at sea level, lbfThrust at sea level, kNPropellantTechnologyReusableMaximum gimbal angleIntended use
Hadley{{Cite web|url=https://www.ursamajor.com/engines|title=Ursa Major engines|date=September 8, 2022}}Initial production{{cvt|5000|lbf|kN|disp=table}}Liquid oxygen/keroseneOxygen-rich staged combustionYes±7°Low Earth orbit,
geostationary orbit, in-Space,
hypersonics
RipleyIn development{{cvt|50000|lbf|kN|disp=table}}Liquid oxygen/keroseneOxygen-rich staged combustionYes±5°Low Earth orbit,
geostationary orbit
ArrowayIn development{{cvt|200000|lbf|kN|disp=table}}Liquid oxygen/methaneFull flow staged combustion{{Cite web|url=https://youtube.com/clip/Ugkx_8eStmziXcBZMMUjq4VME2PhgTdCaacR?si=h9q8fNytSlxbKsXQ|title=Inside Ursa Major's State-Of-The-Art Rocket Engine Factory!|date=September 28, 2023|website=YouTube}}Yes±5°Medium and heavy boost
DraperIn development{{cvt|4000|lbf|kN|disp=table}}Hydrogen peroxide/keroseneClosed catalyst cycleYes|Hypersonics,
defense

See also

References

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