NASA Ready To Test Water-Electrolysis Propulsion In Orbit

PTD-1
NASA’s PTD-1 pathfinder cubesat will demonstrate water-based propulsion in low Earth orbit.
Credit: NASA
NASA is preparing for the in-orbit demonstration of a propulsion system for small satellites that combines the safety of using water as the propellant with the performance of a chemical rocket. There are water-based propulsion systems already in orbit but PTD-1, the first cubesat in NASA’s...
Graham Warwick

Graham leads Aviation Week's coverage of technology, focusing on engineering and technology across the aerospace industry, with a special focus on identifying technologies of strategic importance to aviation, aerospace and defense.

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