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Old June 4 2012, 04:51 AM   #139
Crazy Eddie
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Re: SpaceX is a go for April 30th: 1st commercial launch to space stat

I'm personally of the opinion that the entire concept of an orbiting fuel depot is doomed to remain a power-point proposal until somebody develops a practical/non-toxic monopropellant for orbiting spacecraft. That will probably require some sort of propulsion system paradigm shift; either widespread adoption of NOFBX, or ion thrusters that can efficiently use more easily storable propellants.

Obligatory nod to Arthur C. Clarke; in Odyssey Three the most advanced ships in the solar system were all using water as a reactant mass for what was basically a nuclear-thermal rocket.
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