Ursa Major’s H13 Engine Completes First Hot Fire Tests

• Rocket engine manufacturer Ursa Major‘s newest iteration of its Hadley liquid rocket engine, the H13, has passed its first hot fire tests after undergoing a series of engineering refinements and updated production methods, including a deeper reliance on additive manufacturing to streamline component production and reduce costs.  Building on the flight-proven H11 variant, the H13 […]