European rocket engine using hydrogen peroxide and ethanol passes tests
In Germany, the new European rocket engine Greta has completed a hot-fire test campaign, demonstrating stable operations, shutdowns and multiple restarts on a mobile test stand developed by ArianeGroup for the European Space Agency at ArianeGroup’s Trauen site in Germany. Greta uses hydrogen peroxide and ethanol as propellants, a more sustainable alternative with a lower carbon […]
