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moystard
on June 12, 2012
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New York to London in an hour - by train
The disadvantage of your solution is the environment impact of such a transportation system. An electricity based solution seems to be much cleaner (especially if we imagine the same kind of traffic as the plane one today).
rogerbinns
on June 13, 2012
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Couldn't you use electricity to separate hydrogen and oxygen from water, and then "burn" that in the rockets to produce water again?
anamax
on June 13, 2012
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> Couldn't you use electricity to separate hydrogen and oxygen from water, and then "burn" that in the rockets to produce water again?
How does the energy/pound and energy/CC compare to decent rocket fuel?
marvin
on June 13, 2012
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Liquid hydrogen/liquid oxygen is the most efficient chemical rocket fuel possible. Most famously used by the Space Shuttle Main Engines.
lmm
on June 13, 2012
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You can, but under current technology this is a lot less efficient (I remember hearing a 12% figure somewhere) than direct-drive electric motors.
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