EMS Work in progress by RobertJ

Bryce • Work In Progress • posted on Aug 26, 2005

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Description

Man i hate rushing things into service, RJC is way ahead of my with his moon shuttle, i still have tons of things to do on my Earth-Moon-Shuttle. In basic it will be an orbital craft (maybe it will be able to land on the moon, not decided yet). A mass ratio of 4 (3 tons of propellant for each ton worth of ship), propellant wil be Hydrolox (liquid Hydrogen and Oxygen), Hydrolox ISP is 450 sec wich gives 4400 m/s exhaust velocity, with a mass ratio of 4 the max Delta-V will be 6100 m/s, enough for a flight from the Earth to the moon or vice versa with some Delta-V spare for orbital operations like docking with a spacestation, a refuel is needed for a return flight. Its also enough to launch yourself to Mars, that is if life support will last at least eight and a half month. For the return flight, i have not calculated that yet.