Plume from a Draper engine during a recent hot fire test by Ursa Major. Photo: Ursa Major
By Cal Biesecker |
@calvinb21
6 months ago |
05/30/2024
highlights

Engine developer and manufacturer Ursa Major has hot-fired its new Draper liquid engine dozens of times since the first test in early March, a strong early endorsement of the performance and reliability of the 4,000-pound thrust powerplant that the company touts…

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