Phase Four Maxwell to test green propellant
by Debra Werner — August 25, 2021 Phase Four tested its Maxwell engine with water propellant. The U.S. Air Force Research Laboratory's green propellant, Advanced Spacecraft Energetic Non-Toxic, contains a significant percentage of water. Credit: Phase Four COLORADO SPRINGS – Phase Four plans to fuel its Maxwell engine with a…
bubmagAugust 25, 2021