UCL Rocket (UCLR), a student-led rocketry team at University College London, has completed its first successful hot-fire test of a cryogenic regeneratively cooled rocket engine. The static test used a 7 kN liquid oxygen (LOX) and isopropyl alcohol (IPA) engine with an Eplus3D-printed CuCrZr combustion chamber containing 57 internal cooling channels. Eplus3D, a manufacturer of…