Ripley engine hotfire testRipley engine hotfire test

Engine Test Roundup for Q1 2023

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Engine Test Roundup for Q1 2023

Test data volume and diversity is the key to making rocket propulsion more reliable, accessible, and less expensive. Ursa Major’s facility houses the country’s most efficient propulsion innovation and production ecosystem, with design, engineering, production, and testing in one place, which allows us to iterate quickly.

In early 2023, our focus was qualifying the vacuum variant of our 5,000-pound thrust Hadley engine as well as development testing of our 50,000-pound thrust Ripley engine.

Ursa Major completed 60 engine tests in 14 days.
13,925

seconds of engine runtime on the test stand
3.3

Average number of tests per days worked
214

Total number of tests in the quarter
Runtime by Stand

Stand A: 6,273 seconds

Stand B: 860 seconds

Stand C: 6,792 seconds

Runtime by Test Type

Qualification: 7,953 seconds

Development: 4,769 seconds

Engine Acceptance: 1,203 seconds

Hadley engine hotfire test on February 19, 2023
Hadley engine hotfire test on February 19, 2023
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Ripley engine hotfire test on March 1, 2023
Ripley engine hotfire test on March 1, 2023
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Ripley engine hotfire test on March 2, 2023
Ripley engine hotfire test on March 2, 2023
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Graph of Ursa Major engine test runtime from 2020 to Q1 2023.
Graph of Ursa Major engine test runtime from 2020 to Q1 2023.


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Ursa Major Staff - Launch-Ready Propulsion for every sector of aerospace

Seeing aerospace advancement as a technological imperative, we're accelerating the industry as the leading source of world-class propulsion systems.

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