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Thread: Alternatives To Radiators In Space

  1. #1 Alternatives To Radiators In Space 
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    We have very primitive space age technology.

    If we had advanced technology, we would be converting most of the waste heat from spacecraft into electricity instead of radiating it into the cosmos.

    So here is where you can post your scifi idea for an alternative to radiators.

    You get extra points for limiting using concepts we know nothing about IRL (like hyperspace/subspace). Also extra points for using stuff we are already aware of.

    My idea: Generate gravity to hold an atmospheric bubble of air around your ship. Dump the heat there. Granted, you would need a huge bubble, so you would be seen for miles. Still, it wouldn't be as big as a planet. Maybe just the size of texas.

    You would look like a blue sky planet with nothing but sky, just spaceship in the middle that looks tiny in comaparision. The atmosphere would also have a magnetic field, courtesy of the ship of course.

    If you're going to leave Earth why not take it with you I say? If the atmospheric bubble is the size of Texas, that means 268,820 sq miles. You know how many miles it takes to reach space from Earth? 62 miles up. So assuming our atmospheric bubble had a similar sky ceiling, then the atmosphere would at least be that thick. Meaning it would also do an excellent job at protecting said ship from projectiles, which would burn up in the atmosphere unless shielded well enough. Gravity would of course be centered at the ship in the middle of the bubble.

    What are your ideas to solve the alternative to radiators problem?


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  3. #2  
    Forum Radioactive Isotope cosmictraveler's Avatar
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    I did not know there were problems with rockets venting their heat or that they even do that sort of thing.


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  4. #3  
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    Perhaps we should eliminate things we already know are impossible.
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  5. #4  
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    Quote Originally Posted by lorbo View Post
    My idea: Generate gravity to hold an atmospheric bubble of air around your ship. Dump the heat there. Granted, you would need a huge bubble, so you would be seen for miles. Still, it wouldn't be as big as a planet. Maybe just the size of texas.
    Just use water ice of the same mass. The ice radiates excess heat, serves as a heat sink, shields from radiation, makes you look like a comet, reduces the damage caused by impact, is useful for fuel, air and water - and you don't need that nonexistent gravity generator.
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