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(BBC)   British engineers design space harpoon. FROM HELL'S HEART, I STAB AT THEE   (bbc.co.uk) divider line 60
    More: Interesting, multistage rockets, Space weapon, kilometres per second, Earth observation  
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9446 clicks; posted to Main » on 04 Oct 2012 at 5:14 AM (1 year ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2012-10-04 02:41:39 PM

PallMall: parkke0108: Of course it's subject to the same requirements. I don't think it will work either, but I was simply stating that orbital mechanics is not quite as simple as people think it is.

[ytrewq.com image 300x265]


Yup.

/welcome to fark. amirite?
 
2012-10-04 04:06:43 PM

Fapinator: dittybopper: Yeah, well you know that "Wrath of Khan" is Moby Dick set in space, and from the viewpoint of the whale, right?

The whale in question:

[1.bp.blogspot.com image 357x298]


And they recycled the theme in First Contact, misquoting the book at one point. At least this time the guy knew where the line must be drawn:

cdn.chud.com
 
2012-10-04 04:29:59 PM

BuckTurgidson: [upload.wikimedia.org image 300x400]


Thank you.
 
2012-10-04 04:42:59 PM
www.american-buddha.com
 
2012-10-04 05:31:42 PM
Joined for the Planetes reference. Leaving satisfied.

/so very satisfied.
 
2012-10-04 05:52:35 PM
I can't help but wonder: what if the space harpoon detached and shot into a black hole where it reentered through another black hole, facing our direction, and ended up harpooning Earth
 
2012-10-04 06:01:39 PM

MythDragon: Why bother? Ayanami will just get it stuck in the moon anyway.

[wiki.evageeks.org image 741x480]


Thank you.

All I could think about when I read the Fark Headline was "Go to Dogma and get the Lance."
 
2012-10-04 09:42:24 PM

PallMall: parkke0108: Of course, this assumes that you are in the same orbital plane, or can change your inclination easily (you can't, lots of fuel needed). You would pretty much have to send a single collector to take down a single satellite. This is why satellites are either designed with end of life deorbiting systems or are in a lower orbit that degrades and they reboost as needed until they run out of fuel and deorbit from drag.

But this harpoon system is free from those same requirements?

Don't be a knave.


It's like this: We can spend a zillion dollars on your big, heavy, complex armature and trash compactor in space. Or we can spend a trillion dollars on a bunch of little rocket packs that slide up to one satellite each, harpoon the bastards, then fire their little rockets to deorbit the things.

One good Idea I heard was to send up sats that can steal large, heavy, durable components off old, dead satellites. Like antennas. No component on a satellite is more expensive than the cost to launch it into space.
 
2012-10-04 10:13:09 PM

Igloo: Joined for the Planetes reference. Leaving satisfied.

/so very satisfied.


Planetes was a great story.

dl.dropbox.com

/This part always gives me a sad, tho.
 
2012-10-04 10:29:10 PM

threadjackistan: PallMall: parkke0108: Of course, this assumes that you are in the same orbital plane, or can change your inclination easily (you can't, lots of fuel needed). You would pretty much have to send a single collector to take down a single satellite. This is why satellites are either designed with end of life deorbiting systems or are in a lower orbit that degrades and they reboost as needed until they run out of fuel and deorbit from drag.

But this harpoon system is free from those same requirements?

Don't be a knave.

It's like this: We can spend a zillion dollars on your big, heavy, complex armature and trash compactor in space. Or we can spend a trillion dollars on a bunch of little rocket packs that slide up to one satellite each, harpoon the bastards, then fire their little rockets to deorbit the things.

One good Idea I heard was to send up sats that can steal large, heavy, durable components off old, dead satellites. Like antennas. No component on a satellite is more expensive than the cost to launch it into space.


The most dangerous debris is the stuff that's small and hard to track.
The objective is to bring it down by slowing it somehow.

Maybe I'm oversimplifying it, but you could do that with a few suborbital rockets or lasers and save both the cost and the complexity. Really you just need air launch capability, good timing, and the right kind of warhead.

/The atmosphere is a pretty good trash compactor when used right.
 
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