Questions tagged [kinetic-weapons]

For questions about kinetic weapons, their uses, technology, and application. Kinetic weapons move a mass to speeds hostile to the target. That mass may be as small as an electron or as great as an asteroid, so long as the question is about the object accelerating the mass and not the mass itself.

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4
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2answers
127 views

Can a Tungsten-rod Kinetic Strike create an EMP given enough speed?

So in my story, I have one side of the war using an orbital-based railgun to fire a tungsten rod at extremely high velocity onto a populated city. Let's say the tungsten rod is around one ton, and it'...
5
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1answer
125 views

How much power/pressure would be required for air weapons to be as deadly as fire weapons?

Ironically, it would be thought that with modern technology, the "next step" for fire weapons would mean to produce direct energy weapons such as Rail Guns, Lasers or Microwaves, however, ...
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3answers
329 views

Can unlimited kinetic energy be stored in superfluid helium?

Liquid helium can be in a state of superfluidity — meaning it can flow with zero internal friction. Let's assume that for whatever reason that this form of helium is present in large amounts. Could ...
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1answer
251 views

How would a near light speed impact on Jupiter affect the planet and the solar system? [closed]

The object was originally "fired" as a weapon used from space to hit planets.let's say it is a long cylinder with a very high density and it was accelerated at some point to 90% of C. The ...
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6answers
782 views

Orbital Bombardment of Airships

Imagine that you're the admiral of a fleet of warships in orbit around Saturn. You need to capture targets on Titan, the largest moon. (This could also be applied to, say, Venus or one of the gas ...
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7answers
1k views

Recoilless Rifles vs Bazookas against non Mechanical Targets

I need a weapon that is shoulder fired that can deal with heavy monsters such as a minotaur and the likes, but light enough so that the user can carry at least another small arm without to much hassle....
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3answers
244 views

Shoulder Mounted Weapon Design in a dieselpunk/ww1 time period

In my setting a large city state has been cut off from the rest of civilization through the appearance of a large alien forest that sprouted up during the medieval times and cut off the city state ...
2
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2answers
158 views

How a kinetic strike from orbit would look like? [closed]

The impactor is a tungsten rod of 5 tons, moving at 0.015c, impacting a generic land spot on Earth. Calculator of kinetic energy outputs that this will be equivalent to ~2 Mt nuclear warhead (if I'm ...
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9answers
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What happens during simultaneous hits on a tank

For various reasons I have an army that uses many smaller vehicles instead of spending a lot of full main battle tanks. This army uses mostly up to 90mm* cannons on their vehicles rather than the ...
5
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1answer
281 views

How effective would Rods from God be on an underwater target?

If I take a Rod from God, drop it on to an ocean somewhere, what exactly happens? Let's say there's a secret base about 10,000 feet or so underwater. Is it still okay?
3
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1answer
156 views

Effects of a Super High Velocity Cannon on a Planet

In the 23rd century, humans are at war with a technologically advanced alien species. Humans discovered a method of faster than light travel during early stages of this war when an alien capital ship ...
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7answers
742 views

Hard sci-fi super weapons?

So in my questions about the intergalactic highway and simulated ship quarters I established a universe where the navy fights a cult of alien worshipers over star gates. 500 to 700 years in the future....
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3answers
157 views

Advantage of miniguns being military standard?

I'm writing a sci fi fiction based on mass effect, different from the series though. In it I've made humans terrified of an alien invasion/genocide so they focus on firepower/rate of fire or both. ...
7
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3answers
456 views

How to make pneumatic weaponry/airguns the main weapons of a miliary force?

Perhaps you know of pneumatic weapons also called airguns, but for those who don't; they're weapons that use air as propellant to launch a projectile rather than for example black powder or smokeless ...
5
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2answers
127 views

Destruction of a Trojan Asteroid by an RKV

The history During the Great War between two nations, one sent an RKV (Relativistic Kill Vehicle) towards an enemy factory as a message to show their power but not kill needlessly. The base was in a ...
7
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6answers
336 views

Weaponized Instruments

In the main palace in my world, there are no soldiers or guards, and in their place, there are musicians. This is because the musicians have instruments that double as weapons, and they have been ...
2
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3answers
178 views

Can there be a scientific explanation for an indestructible kaiju? [closed]

Assume that the kaiju is insusceptible to all weapons but nuclear ones. What could explain its impenetrable form?
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2answers
123 views

Alternate power for projectile weapons [duplicate]

I am working on a series set a few hundred years in the future where fusion power is common and starships roam between planets. I am trying to think of a way to power small Arms weapons and keep them ...
7
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6answers
1k views

Shooting through the earth

Due to reasons of magic an alien god that is about to takeover the earth in one year and can only be stopped by being shot through the entire earth. Assuming modern day Earth (no magic other then ...
2
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3answers
198 views

How small and fast can a bullet go in atmosphere?

In many sci fi universes that don't have handheld energy weapons, they instead use solid projectiles that either go big (Warhammer 40k) or really small (Mass Effect). The former I have a pretty good ...
5
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3answers
315 views

Can a coilgun be used to boost a traditionally or non-traditionally chemically powered weapon?

So, I was wondering if for small scale weaponry (150mm guns and smaller) using a coilgun to assist in the acceleration of a traditional chemically accelerated round, either while in the barrel burning ...
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7answers
1k views

How can these kinetic weapons be made more plausible?

I am looking for plausible mechanisms to legitimize (or replace) the physics-based weaponry used in the fictional world of my latest story. My story utilizes a range of weapons (like Starship ...
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4answers
392 views

Could a steel cylinder punch through plate armor?

I want to be a bit more creative in my design of medieval weapons, and have begun looking into the creation of an Arbalest that instead of shooting traditional crossbow bolts, shoots metallic ...
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1answer
96 views

Feasible Sci-fi 200-300 years away weapons? [closed]

I am writing a book about an Oceanic planet about 1/4 the size of Earth, under the assumption that there was a wormhole at the beginning of the 1600s on Earth, leading to two island-nations above the ...
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4answers
332 views

Optimizing a relativistic anti-personnel weapon

Let's say you have a technology that lets you build a gun that can accelerate a mass up to 145 grams to a speed of 0.90 C. (Don't worry about the plausibility of this technology) The projectile can ...
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3answers
881 views

Could an eruption be triggered at Yellowstone via kinetic bombardment?

While similar questions have been asked, I don't believe kinetic bombardment was brought up, with focus centred around nuclear warheads. Considering the ability for a "rod from god" to embed into the ...
5
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1answer
278 views

how fast would a magic rail/coil gun need to fire to melt its tungsten bullet

In my story magic allows for the creation of accelerators that can multiply the speed of any object that passes through them. These accelerators allow for modified conventional weapons to fire at rail ...
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3answers
457 views

What is the yield of a 1kg solid concrete transporter bomb?

I want to beam into solid concrete as a bomb. I have transporters and unlike Star Trek I’m not afraid to use them. Terrorists have taken the tech and have nasty plans for us. The bomb is 1 kg sphere ...
5
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2answers
308 views

Is there a velocity threshold that when passed would make a kinetic projectile more than just "piercing"?

As my recent inquiries have shown, when a kinetic projectile has sufficient speed, it does more than 'penetrate and perforate'. It will have somewhat of an explosive effect, right? Difference to the ...
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6answers
6k views

What is the maximum viable speed for a projectile within earth's atmosphere?

Assume a projectile, made of a very heat-resistant and durable material (something like tungsten), formed like a modern saboted tank cannon shot. If tungsten, like suggested, is not ideal, you can ...
3
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3answers
875 views

What would be the strongest "realistic" bow draw weight with ubertech?

I'm trying to help develop a "high tech" bow for a video game, to be used mostly by prestige soldiers with ubertech against low-tech industrial civilizations as a kind of a status game; their enemies ...
7
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4answers
1k views

Why would non-kinetic weapons be used for orbital bombardment?

The space borne planetary invasion force is a staple of many Sci-fi genres and most space invasions face the need to destroy some, or all, ground based infrastructure from orbit in order to take over ...
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2answers
169 views

Space missiles system [closed]

I have been reading lately the Honor Harrington series and I wonder how would torpedoes and missiles work in space. What Weber uses is some kind of nuclear head that pumps several lasers, does that ...
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3answers
3k views

Is a self contained air-bullet cartridge feasible?

In my world, there is no access to modern or traditional gunpowder. I was wondering if a dedicated technician with a modern shop (cnc machines, and a surplus of parts and raw material, etc) would be ...
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1answer
191 views

Can a missile be disarmed mid-flight?

I have a humanoid creature in my world that can emit and sense waves similar to radar (sort of like a bat with echolocation) and it can also fly at supersonic speeds due to jet propulsion. Does ...
15
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13answers
7k views

How do you make a gun that shoots melee weapons and/or swords?

In my industrial-punk-with-airships setting, I think it would be cool to have ship-mounted and personal-use ranged weapons that shoot swords, axes, glaives, or other heavy melee weapons. I'd like this ...
11
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1answer
136 views

Degradable ammunition for electro magnetic guns

Would it be possible to make ammunition for railguns and gauss rifles that would degrade over time either through a natural process or by the means of star radiation, so the missed shots don't ...
2
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1answer
454 views

Limits on EM kinetic weaponry

I am looking for kinetic armament for spaceships. With nuclear reactors providing power, there is plenty of energy for kinetic EM weapons. EM weapons come either as coil guns or as rail guns. What ...
8
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7answers
4k views

What it takes for body armor to stop a .50 cal?

The .50 BMG is a very powerful round with a lot of penetrating power. I want to survive it. I did some research on my own, I'm just not sure how to combine these in a way to effectively stop a .50 ...
5
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3answers
541 views

Can a troll hide withstand bullets?

The trolls in my story have a very thick and nigh impenetrable skin. In the time before guns, you would need a very sharp high-grade steel blade to breach the skin and, even then, after a few hits, ...
60
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8answers
13k views

Does a grenade kill you the same way a gun does?

Disclaimer This seems a particularly stupid question, but the more I think about it, the less trivial I find it. Worldbuilding possess the most appropriate tags. It does not fit in physics-network ...
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15answers
4k views

Stopping a Planet Cracker?

One of the issues with creating a model of space warfare that is both realistic and interesting is the ease with which one can destroy things using high-velocity kinetic kill vehicles (KKVs). For a ...
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5answers
1k views

Ultrapowerful chemical propellant for guns

I'm building a moderately hard scifi future setting that focuses on space and land warfare and I'm trying to decide what would be the most realistic from an engineering standpoint of artillery tech ...
4
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5answers
565 views

Single-use nuke-propelled mass driver spaceship

So this is in the context where space battles are fought by ships that are little more than giant railguns (or other electromagnetic mass drivers), and therefore are fought at extreme ranges with very ...
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5answers
1k views

Is a sling a viable ranged weapon option for someone with poor eyesight?

I have a character who is, for lack of a better term, a Monster Hunter. She's physically fit, has a pretty high pain tolerance/is generally pretty durable, and is skilled in various forms of hand-to-...
8
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5answers
641 views

Effects and feasability of a modern-day Olympus and Hephestus

The time... a few years from now. On the laser-launch pad of one of the spacefaring nations of Earth, a spacecraft stands, the time until its launch counting down steadily. The launch vehicle weighs ...
4
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2answers
3k views

Would bio-kinetic metabolism allow the user to also absorb kinetic energy too?

I am trying to base a superpower around bio-kinetic metabolism where the user can not only generate a massive amount of kinetic energy but can also absorb a massive amount of kinetic energy. Is there ...
5
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3answers
921 views

Multi staged relativistic projectile usable in hard sci-fi space combat

Following this question, in the exact same setting I'm making a world where sub-FTL interstellar travel is a thing, and so is interstellar war, but for the purpose of this question we'll assume ...
6
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3answers
384 views

Hypervelocity projectile damage to spaceships

Next question about kinetic weapons in my universe: We have a coilgun/railgun, it launches a projectile at 30 km/s; if it meets a compartmentalized spacecraft on its path, does the projectile go ...
27
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14answers
9k views

Railgun-launched nuclear warhead

I'm making a world where sub-FTL interstellar travel is a thing, and so is interstellar war, but for the purpose of this question we'll assume the scale to be of a single system. Spaceships have ...