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Results tagged with kinetic-weapons
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user 62341
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.
13
votes
How effective would Rods from God be on an underwater target?
Lets use the Newtonian impact approximation... penetration depth is approximately $l\frac{\rho_p}{\rho_t}$ where $l$ is the length of the penetrator, $\rho_p$ is the density of the penetrator and $\rh …
- 78.5k
4
votes
Accepted
how fast would a magic rail/coil gun need to fire to melt its tungsten bullet
Computation of stagnation temperature behind the shockwave in front of a hypersonic projectile is Really, Really Hard, so I'm not going to attempt to do that right now.
Various Space Gun projects hav …
- 78.5k
1
vote
Optimizing a relativistic anti-personnel weapon
Once the bullet leaves the barrel of your gun, it has to sweep out a cylinder of air between the gun and the target. Air's about a thousand times less dense than lead, but by the time a 1cm long bull …
- 78.5k
28
votes
What is the maximum viable speed for a projectile within earth's atmosphere?
At what velocities would the (aerodynamically shaped) projectile just burn up?
Only a few km/s. Read up on the Sprint missile, which could reach Mach 10 in 5 seconds (which would be about 3.5km/ …
- 78.5k
3
votes
How a kinetic strike from orbit would look like?
TL;DR:
In as much as a nuke is just a lot of energy released in one place, it'll look like a nuke. It'll also look like a meteor, at least from a distance, but the impact fireball wil dominate its app …
- 78.5k
22
votes
What happens during simultaneous hits on a tank
Sounds like a weirdly roundabout way of making a tandem warhead.
This is apparently a Spike antitank missile, which uses such a tandem charge. In real life, this is done to evade reactive armour, spe …
- 78.5k
11
votes
Accepted
Could an eruption be triggered at Yellowstone via kinetic bombardment?
Short answer: nope.
TL;DR: unless your kinetic penetrator resembles the Chixulub impactor it will be too small to do the job.
Longer answer: a kinetic penetrator cannot penetrate very far into an ob …
- 78.5k
13
votes
Could a steel cylinder punch through plate armor?
Could a steel cylinder punch through plate armor?
Yes.
[I] have begun looking into the creation of an Arbalest that instead of shooting traditional crossbow bolts, shoots metallic cylinders
…
- 78.5k
3
votes
Is it possible to use rail guns or mass drivers as some kind of anti orbital weapon?
"Yes, but."
Richard Kirk's answer basically tells you what you need to know... humans were able to shoot a projectile above the Kármán line back in the 60s, and technology has marched on a bit since t …
- 78.5k
3
votes
Hard sci-fi super weapons?
The most realistic of your two choices is the 10-gigatonne nuke.
Accelerating a projectile to the speed of light is an exceptionally difficult task, and is best done over scales of millions or billion …
- 78.5k