07-25-2017, 07:50 AM | #41 | |
Join Date: Aug 2004
Location: Wellington, NZ
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Re: [Spaceships] Are spaceships unrealistically cheap?
Quote:
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Rupert Boleyn "A pessimist is an optimist with a sense of history." |
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07-25-2017, 11:44 AM | #42 |
Join Date: Oct 2004
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Re: [Spaceships] Are spaceships unrealistically cheap?
OTOH a space vehicle will need significantly more powerful sensors than a car or airplane. It will move a lot faster and so should detect dangers at much greater distances than a car or airplane has to (orbital junk vs. bad weather vs. a bump in the road).
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07-25-2017, 02:28 PM | #44 | |
Join Date: Jun 2006
Location: Helmouth, The Netherlands
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Re: [Spaceships] Are spaceships unrealistically cheap?
Quote:
https://www.orbitaldebris.jsc.nasa.g...o-gallery.html |
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07-25-2017, 02:50 PM | #45 | |
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Join Date: Aug 2004
Location: Ventura CA
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Re: [Spaceships] Are spaceships unrealistically cheap?
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07-25-2017, 03:05 PM | #47 |
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Join Date: Oct 2004
Location: Forest Grove, Beaverton, Oregon
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Re: [Spaceships] Are spaceships unrealistically cheap?
The best defense is a good offense?
That still sounds like putting all your eggs into a tissue paper basket.
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07-25-2017, 03:14 PM | #48 |
Join Date: Feb 2005
Location: Berkeley, CA
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Re: [Spaceships] Are spaceships unrealistically cheap?
Well, you usually also have enough armor to withstand dust level impacts, and for things that are actually mission critical you might want some repair or backup capability, but we have a pretty long record of incredibly flimsy spacecraft that survive just fine. There's just not much out there, and unlike water and ground craft, most damage simply doesn't matter; spaceships are actually hard to disable because they can't sink, crash, spin off the road, etc.
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07-25-2017, 05:16 PM | #49 |
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Join Date: Oct 2004
Location: Forest Grove, Beaverton, Oregon
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Re: [Spaceships] Are spaceships unrealistically cheap?
I suppose another issue is that armor optimized for tiny meteoroids are near useless against larger more weaponized impacts. So I suppose that type of protection would just be shoved under the rug in Spaceship designs.
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07-26-2017, 07:28 AM | #50 |
Join Date: Aug 2004
Location: Wellington, NZ
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Re: [Spaceships] Are spaceships unrealistically cheap?
Power isn't a problem. For sensors in general the expensive part is the processing electronics, and space is a much cleaner and less cluttered environment than that which a 'air fighter' has to operate in.
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Rupert Boleyn "A pessimist is an optimist with a sense of history." |
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