PRODUCTS
PlasmaWorks
At Phase Four we are constantly pushing the envelope of RF plasma propulsion. We have active R&D in plasma physics of RF thrusters, advanced propellants, and new applications of plasma propulsion in space.
Maxwell
Maxwell is a high performance turn-key plasma propulsion system that leverages miniaturized RF electronics and our electrodeless thruster in a compact form factor.
RECENT NEWS
Read more about us and updates in the news.
Exclusive: Phase Four Inks Deal to Scale Production
El Segundo-based Phase Four today finalized a lease to build a second factory and scale production of its Maxwell engine product line. The new Hawthorne facility will be over 3X larger than Phase Four’s current plant, and capable of cranking out 100 engines a year.
Read More 
Opinion: Make The U.S. Electric Propulsion Supply Chain More Secure
For most of the last decade, the U.S. relied almost entirely on Russia for rocket engines and crewed launches into space.
Read More 
Phase Four Hires Former SpaceX Attorney Margaret Abernathy as General Counsel
Phase Four expands its leadership team to support the company’s rapid growth in both the commercial and government markets.
Read More 
