Skyroot Aerospace, an Indian space tech start-up based in Hyderabad, successfully test-fired its latest 3D-printed rocket engine.
Dubbed the Dhawan II, the cryogenic rocket engine uses a blend of rocket propellants—liquid natural gas (LNG) and liquid oxygen (LoX), which require temperatures below -150 degrees Celsius. (Hence the appellation, cryogenic.)
By comparison with many common rocket engine technologies, both propellants are green-burning propellants and are considered environmentally friendly.
... to continue reading you must be subscribed
