Subject:
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Re: Transit Time to Mars
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Newsgroups:
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lugnet.off-topic.geek
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Date:
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Fri, 17 Dec 1999 18:27:07 GMT
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Viewed:
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273 times
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In lugnet.off-topic.geek, Terry King writes:
> I think the problem with long-burn-time
> solid fuel engines is that the nozzle
> heats up so much that it erodes rapidly.
> Typical liquid-fueled engines cool the
> nozzle with the fuel just before it's
> burned.
>
> IsThere some Space-Age (Pardon the ancient
> expression) material that will stand up to
> a metal-oxidizer fuel mix for a long time??
Yes, a form of carbon called Diamond would do the trick. But what do you
attach to the diamond is still a problem, as it is an excelent heat conductor
and would melt most materials you attach to it.
Pat Justison (1.5 years until PhD in Materials Science)
>
> --
> Regards,
> Terry King ...In The Woods In Vermont
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Message has 1 Reply:
 | | Re: Transit Time to Mars
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| (...) I have another ignorant question, relating to a half-remembered tidbit from my Chem1 class in high school, way back when the periodic table consisted of Earth, Air, Fire, and Water. I seem to remember something about diamond reverting (my (...) (25 years ago, 17-Dec-99, to lugnet.off-topic.geek)
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Message is in Reply To:
| | Re: Transit Time to Mars
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| I think the problem with long-burn-time solid fuel engines is that the nozzle heats up so much that it erodes rapidly. Typical liquid-fueled engines cool the nozzle with the fuel just before it's burned. IsThere some Space-Age (Pardon the ancient (...) (25 years ago, 16-Dec-99, to lugnet.off-topic.geek)
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