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Post by dragonkid11 on Oct 30, 2016 14:56:16 GMT
The fuel tank must be held up by the sheer force of disbelief in chemistry.
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Post by goduranus on Oct 31, 2016 17:52:35 GMT
U-233 dioxide trumps all other reactor fuels, since it's cheap and you can make it as hot as you like with enrichment and neutron flux. U-233 is usually the best material for bombs, since it's cheaper, but some people prefer plutonium 239 for small bombs, honestly not worth it imo, since small bombs are less efficient. 13kg bombs are 3kt, but 90kg bombs are 800kt, with 6 times the mass you can 200 times the yield, which can achieve equivalent flux from 14 times further. do you have a 90kg design that good? Sorry I remembered wrong, my smallest 50% efficient U-233 bomb is 1.47mt for 186kg.
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Post by zuthal on Oct 31, 2016 20:07:36 GMT
also, lithium is an alkali metal, highly reactive. it's soft enough to cut with a knife, and if you used it in pure form to build an engine IRL it would probably explode as soon as you activated it You think that's bad, the game has no problem letting you build propellant tanks out of lithium. And water as the propellant. Or having a lithium turbopump pump fluorine, which I am pretty sure would result in the pump spontaneously and spectacularly combusting as soon as the fuel valves are opened.
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Post by apophys on Oct 31, 2016 20:17:23 GMT
I'd expect those things to have a coating (or multiple coats) of things inert to both the structural material and the fluid. Such a coating is thin enough to be ignored for mass.
Of course, if you get a crack in it...
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Post by zuthal on Nov 1, 2016 8:03:07 GMT
...you get a metal-fluorine fire, the recommended equipment for dealing with which is a good pair of running shoes.
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Post by drnovikov on Nov 1, 2016 9:13:37 GMT
Lithium is so soft in real life, making pumps of lithium should not be posible.
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