h a l f b a k e r y"It would work, if you can find alternatives to each of the steps involved in this process."
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I guess you'd have to carry some reaction mass with you. |
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[aside:] I wonder if we have engines of this type efficient enough to lift their own weight? |
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This is incomprehensible. |
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This is baked, see link for a simplified view. More recent developments aim at heating the air behind the rocket as it takes off so it doesn't even need reaction mass for the first 100km after takeoff. |
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Direct solar power won't do because you cannot reach sufficient power density. |
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