Phase Four Archives - SpaceNews

Phase Four adopts iodine for next-gen Max-V engine

Propulsion startup Phase Four is expanding its Maxwell plasma propulsion line by offering Max-V, an iodine-fueled engine.

by Debra Werner October 13, 2022February 18, 2023

Phase Four wins DARPA contract to test novel propellant

by Debra Werner February 16, 2022January 23, 2023

Phase Four and Orbit Fab to work on Maxwell engine refueling

by Debra Werner January 24, 2022January 23, 2023

Maxwell thrusters

Phase Four debuts improved thruster

by Jeff Foust December 6, 2021January 23, 2023

Phase Four Maxwell to test green propellant

by Debra Werner August 25, 2021February 22, 2023

Capella Space and Phase Four reveal Maxwell Engine performance

by Debra Werner June 30, 2021January 23, 2023

Maxwell thrusters

Phase Four announces new electric thrusters, subscription program

by Jeff Foust June 16, 2021January 23, 2023

Maxwell

Phase Four raises $26 million

by Jeff Foust June 11, 2021January 23, 2023

Phase Four thruster

Phase Four wins Air Force contract for electric thruster development

by Jeff Foust April 8, 2021January 23, 2023

Maxwell

Phase Four launches first plasma propulsion systems

by Jeff Foust January 25, 2021January 23, 2023