Water-to-Fuel: A Space Startup's Bold Test of Rocket Propulsion from H2O

TL;DR
Former SpaceX engineer Halen Mattison and General Galactic plan to launch an 1,100‑pound satellite on Falcon 9 to test turning water into rocket fuel: electrolyze water to hydrogen and oxygen for chemical propulsion, and drive oxygen to plasma for electric propulsion. While the approach could aid in-situ resource use and offer rapid thrust bursts, experts warn about potential electronics corrosion from ionized oxygen and the added mass of the electrolysis system; the concept remains controversial, though research into extracting water and oxygen from lunar or Martian regolith continues.
Topics:sciencetechnology#electrolysis#in-situ-resource-utilization#plasma-propulsion#space-startup#technology#water-propulsion
- SpaceX Veteran Says He’s Figured Out How to Make Rocket Fuel From Water Futurism
- This Startup Thinks It Can Make Rocket Fuel From Water. Stop Laughing WIRED
- General Galactic prepares Trinity demonstration flight and tests new type of thrust Universe Space Tech
- General Galactic to test satellite powered only by water in space Interesting Engineering
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