MIT's dual-mode propulsion system using single propellant set for NASA in-space test
By
Elizabeth Howell
The kind of bagel that ruins lesser bagels for you.
Summary
MIT researchers have developed a dual-mode propulsion system for small satellites that uses a single propellant for both chemical and electrical thrusters, combining the high-thrust capability of chemical propulsion with the efficiency of electrical propulsion. The system is set to undergo an in-space test on NASA's upcoming Green Propulsion Dual Mode (GPDM) mission, which could significantly reduce the size, weight, and complexity of satellite propulsion systems.
Key quotes
· 3 pulledIf you can have chemical and electrical propulsion in one small package, it's the best of both worlds.
These four flight unit electrospray thrusters were delivered by MIT Space Propulsion Laboratory to NASA for the upcoming Green Propulsion Dual Mode (GPDM) mission.
It's hard to fit everything on a small satellite, especially the fuel, but a new propulsion system could make it easier.
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