IPFS News Link • Space Travel and Exploration
Water-Powered Spaceship Could Make Mars Trip on the Cheap
• SpaceThe space coach concept vehicle is water-driven and water-centric, starting with its solar-powered electrothermal engines. These engines would super-heat water, and the resulting steam would then be vented out of a nozzle, producing the necessary amount of thrust.
Electrothermal engines are very efficient, and they're well-suited for sustained, low-thrust travel, ....