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Making Tau weapons
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Old 02 Apr 2006, 10:19   #1 (permalink)
Shas'La
 
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Default Making Tau weapons


Just take a look at this, a real firing rail gun (miniature).
O0 http://www.powerlabs.org/movies/plasmashot.mpg O0

I know the link says plasmashot but just take a peak...
Here's the full site http://www.powerlabs.org/railgun2.htm
Nice to know the guys at college are doing funny stuff.

Greetz
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Old 02 Apr 2006, 11:30   #2 (permalink)
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Default Re: Making Tau weapons

Yeah.. it's been discussed before. And that site has been mentioned. And ages ago I cut up the video just to include the bit with the railgun firing: http://mace.darktide.net/misc/downloads/railgunshot.wmv for people who don't feel like downloading the whole video (though it was cut from another video).
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Old 02 Apr 2006, 11:37   #3 (permalink)
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Default Re: Making Tau weapons

Pity its not a true railgun but a rail accelerated gas gun.
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Old 02 Apr 2006, 12:20   #4 (permalink)
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Default Re: Making Tau weapons

haha yes thats true :P
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Old 02 Apr 2006, 15:12   #5 (permalink)
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Default Re: Making Tau weapons

To revitalize this topic with another instance, lets talk Plasmaguns

http://www.slac.Stanford.edu/grp/arb/e164/index.html

I tried to get the Scientific American article from their website, but apparently its only in their magazine, so the above link is the actual Stanford site of the guys testing it.

But here's the gist: Plasma is a fluid of loose protons and electrons, swimming around like bowling balls and billiard balls. Now, the way this plasma accelerates something is simple: electromagnetism. setting up a + and - field, and the magnetic acceleration those separated +'s and -'s would create. But plasma starts off as + and - all mixed up fluidly.

Now, when a particle beam, laser pulse, whatever plows into that plasma, it has a momentum, and that momentum scatters the smaller billiard balls (electrons) away, creating a shockwave, while the heavier bowlingballs (protons) don't move much at all... presto! we now have, withing the bubble of that shockwave, a strong magnetic field! why? because the - is outside of the shockwave, while the + is still inside, that separation sets up a magnetic field, and things get accelerated.

Here's the clever part: if left to random chance, the plasma would generate a chaotic and randomly directed magnetic field, being useless. But the initial 'push' of the entering particles/pulse scatters the electrons in a specific direction, and therefore the magnetic field is aligned in the very same direction! Kewl!! Its like pushing in with 1 pound of force, and it magnetically sucking you in and through with 100 pounds of force! Now this magnetic field is short lived, since the billiard balls will ricochet around and remix into a fluid plasma again... BUT the effect is very strong in that bubble directly behind the shockwave while it lasts, and guess what? that shockwave is indeed a shockwave.. and the boosted particles will be continuously plowing through more plasma at greater and greater speed, building and pushing into a stronger, faster shockwave, a stronger acceleration, repeat as long as the plasma barrel extends. An Accelerator. No moving parts, wires, or timing circuits required!

neat, eh? But oddly enough its like the Railgun irony, its not a accelerator gun that shoots plasma, its a plasma accelerator that shoots... particles. :-\
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Old 02 Apr 2006, 15:13   #6 (permalink)
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Default Re: Making Tau weapons

sounds cool :P
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Old 02 Apr 2006, 18:30   #7 (permalink)
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Default Re: Making Tau weapons

Okay... In the tau codex description of the Railgun, it is a way to excellerate projectiles to a very fast velocity, in which they break down into plasma, and are then fired. I believe that is the exact same thing we are doing there. So in fact, even though the Tau Railgun is much larger, and fires a shot much more powerful, it's still the same technology.
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Old 02 Apr 2006, 18:55   #8 (permalink)
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Default Re: Making Tau weapons

No it doesn't say that.
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Old 02 Apr 2006, 18:57   #9 (permalink)
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Default Re: Making Tau weapons

What they've developed is essentially a gauss weapon; a projectile launcher that uses a primary propellant (compressed gasses, gunpowder, etc), and accelerates is with electromagnets. It's essentially a hybrid railgun, and the most practical way to do it if you don't have a large assembly. (Rollercoaster track, huge electromagnetic track, etc.)
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Old 02 Apr 2006, 19:00   #10 (permalink)
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Default Re: Making Tau weapons

Quote:
Originally Posted by Rechar
No it doesn't say that.
It says it in one of the codices. I believe the first one.
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