Questions tagged [spaceships]

For questions involving implemented theory or technology for travelling through space. Consider also [space-travel]. See also the tag information (click "info") for more details on when this tag applies.

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56
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20answers
8k views

Why would there be any use for sea shanties in space?

I understand that sea shanties were a type of work song, and often used to help sailors operate in sync with each other. They've survived as an art form, but so far as I know they don't have any ...
4
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3answers
214 views

Black Hole Weapons - Laser/Particle Beam?

First post here, but longtime lurker :3 My question is this: if you have a civilization that is using black holes as a battery/pseudo power source, and they want to weaponize it -without- shooting the ...
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3answers
154 views

Is this space fighter rapid deployment system feasible?

Had this idea for a rapid space fighter deployment system and wanted to see if anybody sees a flaw I'm not. Imagine a big circle in space, and inside that circle are 'stacks' of space fighters facing ...
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1answer
100 views

Can cold thrusters be improved for work in space

This belter got Mr.X thinking and it is a stroke of genius this time. What do we do with all that oxygen we get when extracting metals from their oxides? we liquify and use them as a reactive mass of ...
3
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5answers
230 views

How Would Limited Space Travel Change Late Medieval/Early Renaissance-era Warfare?

In my book series, the various planets of the galaxy, give or take, generally have access to late medieval to early renaissance era technology in terms of warfare. That means full plate armor, siege ...
2
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2answers
82 views

Could a self-consuming rocket be useful or cheaper than regular ones?

Technically speaking, all rockets are self-consuming, since they are basically tin cans with fuel. And to carry even less weight with then, they have stages. Allowing not only the rocket to go farther,...
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3answers
161 views

Could a ion thruster work in atmosphere with enough energy?

Well, some days ago I watched a video talking about the Halo transport ship "Pelican", which uses nuclear fusion turbines (don't worry, this question isn't about Halo). And technically, ...
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3answers
123 views

Kessler Syndrome, but with extremely small particles

Congratulations! You're the new leader of the future UN(Unified Earth Country governing body), and you want to push for space travel for all. But at this point(in the futures), centuries of space ...
7
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6answers
2k views

Can this warp drive concept be used for actual travel?

In this universe, a "warp drive" is more like a "constant linear velocity" drive. Once it is turned on, the craft travels at exactly the same velocity (speed plus direction), in a ...
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5answers
2k views

How would you keep a reverse Hindenburg from exploding?

A colony ship was outfitted to set up operations in the "tiger stripe" ice caves of Enceladus. [sorry!] But its main drive was hacked during a course correction and the ship crashed on ...
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0answers
132 views

How much energy can a space ship use internally without overheating?

More thoughts on hard science possibilities for interstellar colonization and the request to check my understanding of physics. Suppose you have a fully self contained colony ship. They have some ...
3
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4answers
392 views

“Low” Efficiency High Power Fusion drives for weapons and “High Efficiency” lower power drives for ships?

I'm currently trying to develop 2 different "classes" of drives for space ship, Expanse style combat with "Low" Efficiency High Power Fusion drives for weapons and "High ...
4
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3answers
158 views

One-man Fighter Craft Maneuverability

Looking to design a one-man fighter craft (using CGI) for space-based combat. To be at all useful in such a role the pilot must be able to turn the craft. There are three axes of rotation involved in ...
2
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3answers
273 views

Would an Antimatter Engine be dangerous to use around people?

I was considering having the spacecraft in my setting use antimatter-matter spacecraft, but then I realised that at least some of the annihilation of protons and electrons with antiprotons and ...
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0answers
64 views

What is the ideal composition for an organic spacecraft? [closed]

One of my interstellar confederations is going to war with another, and has decided to re-purpose the same basic technology they once used to create dyson tree (more like dyson plant-fungus) colonies ...
14
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9answers
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Are nuclear armed missiles effective weapons for spaceborne combat?

So I've read up (NASA has good stuff) that nuclear weapons detonated in space are primarily a radiation hazard. Thermal and concussive effects are negligible, other than I suppose hot fragmentation ...
43
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21answers
6k views

Why are certain spaceships capable of warp at a moment's notice while others require some preparations?

After seeing an advert on my holo-watch about the latest fleet of interstellar spaceships capable of going into warp at the press of a button, I was both amazed and dumbfounded by it Conventional warp ...
4
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1answer
134 views

Is there a correct way to describe delta-v for a relativistic spacecraft?

So if I have a spaceship that has an extremely powerful e.g. antimatter rocket (not FTL, relativity applies) and can accelerate up to say 60% of light-speed, then coast to Alpha Centauri, then ...
6
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3answers
389 views

Does the technology to create a laser weapon naturally provide defense from it?

In a space-faring, war-torn world with mostly-realistic technology, the engineers have been developing laser weaponry and defenses. All sides of the war have roughly equal technology. This question ...
4
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1answer
214 views

Fleet tactics & strategies in a hard sci-fi setting with near light speed weapons, ultra hypervelocity kinetics, realistic sensors, and torch ships

I am trying to figure out tactics and strategies for ships that move in a Newtonian regime and use weapons at or near the speed of light. Signals are also at light speed, being lidar and radar; ECM ...
11
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4answers
2k views

How do spaceships compensate for the Doppler shift in their communication frequency?

Assume all radio communication bandwidth used in interstellar communication is standardized to a certain fixed range and all must be frequency modulated but know that no agency is keeping track ...
13
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11answers
2k views

Orientation of a cylindrical habitat/ship in transit

Assume you have an inhabited O'Neill or McKendree-style cylindrical habitat or ship designed to move between star systems—not unlike Rama. What are the major advantages and disadvantages of ...
8
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6answers
1k views

Realistic large spaceship crash effects

So I've got a colony ship crashing onto a world, and I want to reality check its effects on ship, crew and landscape. Firstly the ship is fairly large. Its job is to seed human colonies on alien ...
8
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4answers
1k views

Why would NSWR's be used when Orion drives are around?

In the setting I'm making, Orion drives are one of the primary forms of propulsion used in spacecraft. I have been thinking of adding Nuclear Salt Water Rockets (the lithium variety) alongside Orion ...
1
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1answer
150 views

Should Orbital Bombardment be Considered a War Crime? [closed]

One of the most common tactic in realistic interstellar war is the tried and true orbital bombardment. The victor is often the one who holds the high ground, so it make sense to take the ultimate ...
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2answers
351 views

What's the largest space ship that couldn't support its own weight?

In my story I have a space ship, constructed in orbit around earth by an advanced artificial intelligence, large enough to be a generation ship. This ship was never designed to land on a planet. The ...
11
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6answers
1k views

Spacecraft-mounted weapons, in style

So I'm aware that the usual hard sci-fi array of spacecraft weapons generally includes self-guided missiles, rail guns, lasers, etc. However, in keeping with this spirit of hard science, I've ...
5
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9answers
5k views

Would coating a space ship in liquid nitrogen mask its thermal signature?

One of the biggest problems with stealth in space is heat. My idea was to have a gap between hulls filled with a liquid similar to liquid nitrogen which would chill the outer hull and electric ...
1
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4answers
148 views

Missile warheads in space?

So I am thinking about space battles in my universe. The main weapons on my ships will be missiles/torpedos. Which of these would be the most effective warhead: Tungsten shotguns. The missile closes ...
13
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8answers
577 views

Realistic space battle distances?

Distance in space battles is a crucial variable that affects the tactics and outcomes. With the following tech what is a reasonable distance for battles to be engaged: Engines: Fusion drives with max ...
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6answers
287 views

How to stop serial killers in space? [duplicate]

So I was writing a scene where some charters space a dude and then edit the camera footage to make it look like a suicide. That’s when I realized I had an issue. With good editing software and a “...
5
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2answers
207 views

How Precisely Can a Space Cannon be Targeted?

If I have spaceships that are firing some variety of cannon at each other - MAC, laser, particle cannon, doesn't really matter the type - at extreme range, then even if the gun itself were somehow ...
2
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2answers
107 views

How to do repairs during high G maneuvers?

In Nemesis Games during the battle a character moves through the ship. Since the ship is maneuvering they get banged around a lot. My books are written with a tech level similar to the Expanse so this ...
9
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11answers
4k views

Will this stealthy ship work?

My idea is a corvette is dipped in radar reflecting paint that makes it look like a 50x50x70 foot asteroid. It shuts down its reactor and the crew all huddle in the ops deck with minimal heating and ...
2
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3answers
92 views

Science-based WMD styled weapons? [closed]

I've been thinking about possible super weapons for a little while now, but I'm not really sure of any ideas that could fit into a semi-realistic setting. One idea I had was firing out a slug of ...
8
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8answers
1k views

How do guns not penetrate the hull of a spaceship/station and still punch through body armor? [duplicate]

There are plenty of modern or slightly futuristic developments of the firearm that would avoid punching a hole in spaceships. The problem is that in doing so, all of them are much worse against body ...
3
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2answers
103 views

External 'Stellaser' style beam weapons driven from 'plasma envelope' surrounding a spaceship - Hard Science Fiction

A previous question asked about the feasibility of reflective flakes of metal suspended in the plasma to absorb heat from the plasma and radiate it for cooling the craft: Plasma-shell and suspended ...
9
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2answers
160 views

Plasma-shell and suspended flakes for cooling via directional radiation - Hard Science Fiction

Background: My SciFi books are set 50-100 years into the future. My combat ships use fusion for power and direct thrust. (See previous question: "Performance envelope characteristics for a hard-...
4
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3answers
330 views

Is it useful to use a reverse thrust system on a huge interstellar spaceship (1.7km) to slow down in space?

I’m working on a personal 3d animation project: A big, BIG interstellar spaceship (about 1.7 km long), propelled by two antimatter engines (Like the Venture Star, in the introduction of Avatar). https:...
3
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3answers
270 views

How to regulate or control an intergalactic highway?

Background: This universe is set 500 to 700 years in the future. Humans have been able to expand across the galaxy using a series of “star gates”, basically 5 mile wide rings that warp space to ...
5
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5answers
133 views

Dropping into a new star system: how would you set up a frame of navigational references for use at planetary distances?

My question arises from how to treat navigation within an unknown star system, based on what is in that star system. System North and South can be easy to determine - just observe the directions in ...
6
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8answers
1k views

Used Space Ark Purposes

So we have a space-saving species that build an space ark to survive a cataclysmic event on their homeworld and save their species. They have successfully terraformed the new target planet but now ...
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2answers
112 views

Could baby superman or Supergirl land on Earth today in their spaceship and not be detected before arriving on Earth?

In EVERY Superman origin story, we see always see the same thing with Superman and later his cousin arriving on earth in their auto piloted ship. Their spaceship is then found either by a loving ...
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2answers
117 views

How Much of A Planet-Sized Spaceship is Useable? [closed]

Okay, let's say we have a spaceship the size of a planet. Let's put the radius at 3 Earth radii, and the mass at 7.5 Earth masses. Its hull is made of a space metal with a density of 3500 kg/m^3, and ...
0
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3answers
147 views

What would a prison on a space station or huge ship in Lower Earth Orbit be Called? [closed]

What would the proper term be for the Brig/Prison/Jail where someone gets thrown for a crime on a giant space station or ship? Any idea what the interrogation room for such a ship would be called (if ...
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10answers
3k views

Cockpit or Bridge?

Would a mid-sized transport spaceship (able to carry up to two hundred people, including crew and a fair amount of supplies - enough to survive in space for up to a couple of weeks, if need be) have a ...
1
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2answers
225 views

Would a Micro Black Hole locked in Mirror Storage have a felt weight?

I understand that Black Holes, even the small ones, are very dense and heavy. Even a micro black hole will probably weigh as much as a skyscraper, a few million tonnes. I then saw a starship ...
5
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2answers
418 views

How much of the solar system would be damaged if the earth was destroyed by lightspeed ship collision?

If a large spaceship travelling at near-lightspeed hit the earth and destroyed it, how far into the system would the devastation travel? Would colonies on Mars and Venus (and perhaps ships in orbit ...
6
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2answers
172 views

Deuterium Fusion Reactor + Direct Energy Conversion - what sort of stuff would this sort of reactor need?

Looking at 3D Modeling a Deuterium Fusion laser-based reactor that outputs to a direct-energy conversion (tube or something?) based off Halo lore. (WIP fan project of mine, modeling a UNSC ship from ...
-1
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1answer
129 views

Coilgun vs Railgun in Space Vacuum [closed]

So, I am creating a Scifi setting as part of a personnal project, and was planning to use Rail and Coil gun as main armament for the human race. Other answers on this site have provided answers when ...

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