Ursa Major Completes Draper Liquid Engine Hotfire
Ursa Major completed the hotfire of the Draper liquid engine in March, a significant milestone in the engine’s development. The Draper is a 4,000-pound-thrust closed catalyst cycle engine that takes advantage of a non-cryogenic fuel to optimize storability, making it suitable for a wide range of in-space propulsion applications. The engine’s accelerated development pace shows […]