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#11
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Henry Spencer wrote:
Not really anything significant. There are some modest advantages in chilling propellants, but that can be done even in a warm climate -- the refrigeration equipment can be part of the ground-support gear rather than part of the rocket. Wasn't fuel chilling also used in the N-1? -- Malcolm Street Canberra, Australia The nation's capital |
#12
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Something I've sometimes thought about was to do something like this,
but instead of using a direct mixture, having essentially gell tablets of fuel floating in an oxidizer. The problems I see are keeping the mixture homogenous - unfortunately large problems, so I don't really think this would work. -David |
#13
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David Summers wrote:
Something I've sometimes thought about was to do something like this, but instead of using a direct mixture, having essentially gell tablets of fuel floating in an oxidizer. The problems I see are keeping the mixture homogenous - unfortunately large problems, so I don't really think this would work. -David What about some form of gel-coated very fine dust? -- Malcolm Street Canberra, Australia The nation's capital |
#14
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Well, I didn't spend a lot of time on this - but the problem I ran into
is ensuring that the mixture ratio remains constant - as in the "dust" doesn't settle when vigorously shaken, etc. -David |
#15
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"Malcolm Street" wrote in message
... Henry Spencer wrote: Not really anything significant. There are some modest advantages in chilling propellants, but that can be done even in a warm climate -- the refrigeration equipment can be part of the ground-support gear rather than part of the rocket. Wasn't fuel chilling also used in the N-1? I seem to recall reading that if you chill propane down to LOX temperatures, you get a fuel density comparable to RP-1 with better specific impulse and no coking problems. |
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