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.
Phase Four and Impulse Space to Collaborate on Multi-Mode Propulsion
Phase Four, the creator of the radio-frequency thruster (RF Thruster) for satellite propulsion, announced today that it has signed a memorandum of understanding with Impulse Space, a Space 2.0 pioneer providing agile, economical last-mile space payload delivery capabilities.
Read More Maxwell Block 2: Updated ICD & Pricing
Phase Four has just released the updated ICD rev B of our Maxwell Block 2 engine. Please reach out to us directly in order to download the document.
Read More Phase Four to expand engine manufacturing capacity in 2022
Phase Four is building out a new 23,000 sq.ft. production facility to support high volume plasma propulsion engine manufacturing.
Read More