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    Question High ISP Turbopack

    Is there a way to change the UMMU turbopacks so that they have a higher ISP/longer flight time? Has anyone made a super turbopack mod or is there a way to edit it?
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    Cooking. IN SPAAACE!

    Assuming we get to the point where, when in zero G, we have raw food and means and a need to cook it (Belters maybe, or very slow liners/explorers), what might Zero G cooking be like? I remember a Freefall comic where the childish robot made "spherecakes" in the oven because pancakes are...
  3. I

    How Long till $1/KG

    Do you think we can ever get the cost of space lift below $1/KG? What do you think would do it? I put my money on fusion rockets, possibly combined with lofstrom loop
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    High Thrust propulsion

    Are there any high thrust (i.e. could some day allow Earth takeoff) rockets other than chemical, NTR, NSWR, and Orion?
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    Sealed Nuclear Reactors and Private Atomic Rockets.

    Here are thoughts that prompted this Single Stage to Orbit is barely possible with chemical fuels. It is not too bad with nuclear power. We're talking Nerva, DUMBO, Nuclear Lightbulb, etc. I think that these can be made acceptably safe. Mass ratios are about 3 or 4, and could be made better...
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    Request A good tail lander?

    Is there any really good tail lander, like an old Heinlein style nuclear rocket? This would have: only one strong engine, delta-v enough to take off/land a few times and travel around the solar system, and a nice virtual cockpit If it doesen't exist it should. I suggest that one put the...
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