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Business/Financial

Ursa Major Validates Rocket Motor Manufacturing Process With Denser Propellant Arrangement

By Cal Biesecker

Thursday, May 8th, 2025

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Ursa Major Validates Rocket Motor Manufacturing Process With Denser Propellant Arrangement

Hot fire of rocket motor featuring Highly Loaded Grain technology. Photo: Ursa Major

Ursa Major on Wednesday said it conducted multiple static fires of a 5-inch solid rocket motor (SRM) packed with propellant in a configuration that enables longer ranges and different thrust profiles, internally validating the startup’s proprietary manufacturing process with the Highly Loaded Grain (HLG). The Colorado-based company’s advanced manufacturing process is called Lynx and uses additive manufacturing to produce most SRM parts. The Navy is investing jointly with Ursa Major to expand the capability to large rocket motors (Defense Daily,…

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