Author Topic: All about shields.  (Read 6825 times)

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Offline Shrike

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  • Visible light lasers (ML-16) have little effect.
  • High frequency lasers (HL-7) are much more effective.
  • EM weaponry has a very high effectiveness.
  • KE weaponry has low effectiveness.
  • Diffuse blasts (bombs) have negligeable effect.
  • Extremely focused energy weapons (beams) effectively ignore shields.
  • Traveling in subspace negates shields completely.
  • When the shield is hit, there is a corresponding flash of light.
  • They require energy to rebuild themselves after a hit.

Did I miss anything?
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Offline Nico

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yup: shields are divided in two parts, front and back. So it's not a sphere. And that somehow kills the fact of a uniform bubble around the ship.
SCREW CANON!

 

Offline Shrike

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Four parts actually.  That tells us it's not a single bubble.
WE ARE HARD LIGHT PRODUCTIONS. YOU WILL LOWER YOUR FIREWALLS AND SURRENDER YOUR KEYBOARDS. WE WILL ADD YOUR INTELLECTUAL AND VERNACULAR DISTINCTIVENESS TO OUR OWN. YOUR FORUMS WILL ADAPT TO SERVICE US. RESISTANCE IS FUTILE.

 

Offline NeoHunter

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Wonder if creating shields are possible in real life........

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Offline ^Graff

  • 26
Maybe shields are an intense gravity field, and when a blast hits it, the photons run into a wall when the acceleraion of gravity is suddenly several hundred thousand G's and the blast is seperated into the individual photons and rendered useless.  Particle weapons are not high energy, only a fast-moving projectile, and are ripped apart more easily.  When the object/blast is ripped apart, the pieces are spread evenly among the field, and cause stress on it and its ability to absorb additional blasts.  The field slowly bleeds off the photons/particles back into space, and regains some of its ability to shield.  Em weapons don't get absorbed, but affect the shield generator's ability to maintain a strong field.  Instead of overloading the field with excess particles, it decreases the strength itself.

Boosting power to the shield system increases the field's ability to bleed off photons/particles.

If you know the exact strength of the field, you can make sense of the scrambled light waves and "see" through it.  That's how radar works.  For outgoing weapons, the fire control is synchronized with the forward shield, which opens small holes in the shield  directly in front of the cannon/missile tube, which are just large enough to let the shot out, and are open for only a fraction of a second.  Scoring a hit through one of these holes is almost impossible because it requires that the shot be timed to hit just as the hole is open, in the right place, at the right angle.

High-power weapons like beams are so powerful and concentrated that the shield cannot rip apart the photons before they are already through the shield.

Ionized particle weapons like the Kayser and plasma-based weapons like the ones on cap ships are both energy AND particles, so it takes a lot out of the field to isolate all of the blast, and decreases its absorbtion ability immensely(sp).

Ships like the Ursa and Boanerges have strong fields that can absorb more photons/particles than ships like the Pegasus.  However, some ships can bleed off the absorbed particles at a high rate.

The reason why the Lucifer's shields were impenetrable was because not only was the field extermely strong, but it could bleed off absorbed energy faster than it absorbed it.  Whether or not Lucy's shield could block beams is unknown, but a strong enough field COULD stop a beam.  Of course, to get through a field that strong, one only has to make a more powerful, more concentrated beam.

Is there anything that I missed that I could theorize on an explanation?
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Offline Jabu

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Quote
Originally posted by NeoHunter:
Wonder if creating shields are possible in real life........

Cold plasma shields, certainly. I read a study about them a few months back.

 

Offline ^Graff

  • 26
I just remembered.  The only canon reference that provides an explanation as to why shields don't work in subspace is the FS Reference Bible.  It states that it is theoretically possible to have a shield in subspace, but since so much energy is required for the jump drive, a fusion pile couldn't run both the drive and the shields at the same time.

Shields could work in subspace, but the energy requierments would be astronomical.
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Originally posted by Anduril:
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Offline wEvil

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If shivan power plants couldnt handle it then its decades beyond GTVA science to do so.

The gravity shield isnt a good theory - if you can control gravity like that why not shoot black holes at all and sundry (sundry being shivans).

It would have to be a cohesive particle barrier.

An energy barrier, while it would incinerate kinetic rounds on impact, would cause damage to the ship from energy release and also make every ship look like a while ball.



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Offline Nico

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Quote
Originally posted by ^Graff:
I just remembered.  The only canon reference that provides an explanation as to why shields don't work in subspace is the FS Reference Bible.  It states that it is theoretically possible to have a shield in subspace, but since so much energy is required for the jump drive, a fusion pile couldn't run both the drive and the shields at the same time.

Shields could work in subspace, but the energy requierments would be astronomical.

That's not canon, the reference bible was not written by volition.
SCREW CANON!

 

Offline Sandwich

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Quote
Originally posted by ^Graff:
Maybe shields are an intense gravity field, and when a blast hits it, the photons run into a wall when the acceleraion of gravity is suddenly several hundred thousand G's and the blast is seperated into the individual photons and rendered useless.

You read David Weber too, eh?  



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"The very essence of tolerance rests on the fact that we have to be intolerant of intolerance. Stretching right back to Kant, through the Frankfurt School and up to today, liberalism means that we can do anything we like as long as we don't hurt others. This means that if we are tolerant of others' intolerance - especially when that intolerance is a call for genocide - then all we are doing is allowing that intolerance to flourish, and allowing the violence that will spring from that intolerance to continue unabated." - Bren Carlill

 

Offline ^Graff

  • 26
Of course.  That's where I got the inspiration for my definition of subspace as well(see the General Freespace forum, "LOS or Not?" thread).

Edit: I thought that the Ref Bible was a compiliation of the developer's notes.

[This message has been edited by ^Graff (edited 08-27-2001).]
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Offline Carl

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Quote
Originally posted by Jabu:
Cold plasma

do you know what plasma is?
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Offline Xelion

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Shield Technology
The shields in Freespace2 tell us there are 4 generators, each with a designated amount of wattage. These shields are able to absorb energy, deflect explosions and vaporise missiles occasionally (The shield generators would be quite small and advanced).

Hypothesis
Shields use a highly focused beam of energy through a serious of lenses and gases (the outer lens would be convex that causes the rays to diverge outwards) which would in turn cause a shield to form around the ship covering a certain area. Although the internal structure of the device would have complex refractive properties, there would have to be a guarantee that there are no impurities or fractures that could cause the shields to malfunction or not operate efficiently. As most devices operate at a frequency, a shield would likely operate at the Giga Hertz range or higher; therefore no visible spectrum would be blocked. Making a shield powerful is all in the technology. An advanced form of heat absorption alloy used for the Heat sinks and dissipaters, accurate production of parts manufactured within the micron, and high quality filtered gases. Electronic hardware would be used to monitor any changes in shield harmonics and frequency resonance.

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Offline Jabu

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Quote
Originally posted by Carl:
do you know what plasma is?

Yes, usually heated up so much that the bonds between atomic cores and electrons break and all you have are free-moving particles.

It's possible to do the same, but colder. Honest. I saw something about it somewhere a few months ago.

 

Offline Setekh

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Quote
Originally posted by venom2506:
That's not canon, the reference bible was not written by volition.

Are you sure? It is up for download at Volition's FS download page.  
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Offline NeoHunter

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Somehow, I think shield technology will not be widely used in defense of countries. Just think.

If one nation develops shielding technology, other countries would want it too. Of course, the nation that created it will not sell the technology to the rest of the world. The rest of the world will complain that the nation is not "playing fair". Because, the nation with the shield technology can protect itself while the others cannot and can do almost anything it likes without fear of retaliation.

So, even if shield technology is possible, it will not be an easy process to have it accepted in the world.

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Offline Setekh

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We wouldn't need shields if we weren't in a state of danger - if there was an off-world threat, then it would be a more or less unanimous decision to share technology.

Which begs the question, would ships be able to fly through shields that are large enough? I mean, we know Maxims are ineffective (well, not completely) against shields. Would ships just bounce off shields in an atmospheric environment? Would shields even work in an atmospheric environment? What would the power consumption levels be like for large shield systems?  
- Eddie Kent Woo, Setekh, Steak (of Steaks), AWACS. Seriously, just pick one.
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Offline Sandwich

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Quote
Originally posted by NeoHunter:
Somehow, I think shield technology will not be widely used in defense of countries. Just think.

If one nation develops shielding technology, other countries would want it too. Of course, the nation that created it will not sell the technology to the rest of the world. The rest of the world will complain that the nation is not "playing fair". Because, the nation with the shield technology can protect itself while the others cannot and can do almost anything it likes without fear of retaliation.

So, even if shield technology is possible, it will not be an easy process to have it accepted in the world.



Mmmmm... *thinks about shielding his neighborhood, Gilo, so the mortars and bullets just bounce away...* Hmmmm....  


------------------
"He who laughs last thinks slowest."
"Just becase you're paranoid doesn't mean they're not out to get you."
"To err is human; to really screw up you need a computer."
Creator of the Sandvich Bar, the CapShip Turret Upgrade, the Complete FS2 Ship List and the System Backgrounds List (all available from the site)
SERIOUSLY...! | {The Sandvich Bar} - Rhino-FS2 Tutorial | CapShip Turret Upgrade | The Complete FS2 Ship List | System Background Package

"...The quintessential quality of our age is that of dreams coming true. Just think of it. For centuries we have dreamt of flying; recently we made that come true: we have always hankered for speed; now we have speeds greater than we can stand: we wanted to speak to far parts of the Earth; we can: we wanted to explore the sea bottom; we have: and so  on, and so on: and, too, we wanted the power to smash our enemies utterly; we have it. If we had truly wanted peace, we should have had that as well. But true peace has never been one of the genuine dreams - we have got little further than preaching against war in order to appease our consciences. The truly wishful dreams, the many-minded dreams are now irresistible - they become facts." - 'The Outward Urge' by John Wyndham

"The very essence of tolerance rests on the fact that we have to be intolerant of intolerance. Stretching right back to Kant, through the Frankfurt School and up to today, liberalism means that we can do anything we like as long as we don't hurt others. This means that if we are tolerant of others' intolerance - especially when that intolerance is a call for genocide - then all we are doing is allowing that intolerance to flourish, and allowing the violence that will spring from that intolerance to continue unabated." - Bren Carlill

 

Offline DragonClaw

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Quote
Originally posted by sandwich:

Mmmmm... *thinks about shielding his neighborhood, Gilo, so the mortars and bullets just bounce away...* Hmmmm....  

 

Well Neo, shielding would seem to only prevent "energy" damage.... ya see, bullets are streamlined and are actually "Solid", while energy is in a dispersed mode, kind of like water... a shield would either have to be solid(to prevent bullets) or an energy shield(to prevent energy weapons). An energy shield would not stop a bullet, unless the shield is so strong when the bullet passes through it, that the bullet gets vaporized. And to make such a thing would be VERY expensive in my eyes  


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Offline Xelion

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In answering to two of Setekh's questions...

Large shield systems would consume power in the megawatt or gigawatt range depending on the shield technology and what principles its based on!

The environment would not change the shield systems operating though it could react with particular objects within an environment..eg nebulas could be ignited because it has chemical properties that formulate an explosive mixture with the shields!

The other questions where to broad to answer..

Dr. Max