Ecological Rocket Power: Into Space with Candle Wax and Oxygen
at the University of Bremen’s Center of Applied Space Technology and Microgravity (ZARM) wanted to test this hypothesis, spending four years working on a project to prove it. On March 24, 2016, their self-built [...] and involved finding the correct mix for the propellant components. It took no fewer than 30 engine test runs before the team hit on the correct mixture ratio of wax and oxygen, one that combined high p