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Questions tagged [vehicles]

For questions about implemented technology that can be used for transportation. For questions about the act of transportation, consider using [transportation] instead.

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133 votes
33 answers
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What vehicle would be the best one to start a >1000 km travel in a post apocalyptic zombie situation?

In order to define the best vehicle these inputs have to be taken into account: The zombies are the classical ones, "the walking dead" ones are a perfect example (definitely killed only by headshot, ...
theGarz's user avatar
  • 2,436
63 votes
12 answers
13k views

How can I get my DeLorean to 88 miles per hour without a train?

I got pulled into 1885, just like Doc and Marty (Or I'm one of them, assuming I can get IP rights :)). I need to go back to the future, which means that I need to get my Ford Pinto time machine up to ....
user4239's user avatar
  • 4,737
56 votes
11 answers
27k views

For how long after an apocalypse would modern cars remain usable?

Imagine a "soft" kind of apocalypse - nothing like Earth being hit by an asteroid. In particular - 90% of human population have just disappeared (no matter why). So there are abandoned cities and ...
k102's user avatar
  • 663
50 votes
8 answers
4k views

Travel for fairies

My fairies need to travel very far as they are nomadic, however they can only fly for around five minutes without getting tired. They most likely couldn't tame creatures due to their size and the fact ...
Username reset's user avatar
40 votes
20 answers
13k views

A road system with no traffic rules - what sort of vehicle is best?

In Britopia there were the Leftists who believed motorists should drive on the left and the Rightists who believed they should drive on the Right. The vote split exactly down the middle and it was ...
chasly - supports Monica's user avatar
39 votes
4 answers
12k views

Would EMP From a Nuke Stall a car?

In my story a man who works in Military Intel gets early warning that a nuclear attack on his base is inbound. He abandons his post, grabs his wife and kid from on base housing, and books it out of ...
TCAT117's user avatar
  • 21.1k
34 votes
28 answers
8k views

Why would space traders pick up and offload their goods from an orbiting platform rather than direct to the planet?

I'm outlining some ideas for a game I'd like to write, that at its core is about interplanetary space-trading (amongst other things, but that's not relevant to the question). For project-scope reasons ...
Moo-Juice's user avatar
  • 443
30 votes
12 answers
6k views

How would a kangaroo-drawn chariot work?

I'm building basically Australian Wakanda, if you'll forgive the pop culture reference. Australian aboriginal culture never made their own wheeled vehicles, but what if they had? The closest thing to ...
YesOrNo's user avatar
  • 301
29 votes
9 answers
6k views

How much of a modern day tank can the 14th century replicate?

If a modern Day tank suddenly appears in 14th century Constantinople; in perfect condition, along with all the ammo, fuel, and components needed for it to run. How much of the technology in the tank ...
Mr.J's user avatar
  • 2,618
29 votes
10 answers
5k views

How would one sabotage a horse-drawn carriage to break down a distance later

Is it possible to sabotage a horse-drawn vehicle in such a way that it fails a bit after leaving town? If so, how precise can this delay be and how would it be done?
Thanos Maravel's user avatar
28 votes
9 answers
8k views

Why would alien vehicles be tripods?

In The War of the Worlds the Martian fighting machines are tripods. Aliens are also moving around in tripods also in The Tripods. Let's assume that there are good reasons to build legged vehicles to ...
celtschk's user avatar
  • 31.4k
27 votes
9 answers
8k views

Sailing without wind, but with strong currents

Context On my world, there is a lot of water: sea, oceans, ... There are also firm land and islands, so it's interesting to travel on the water. The problem is that there is NO wind at all, and lots ...
Legisey's user avatar
  • 4,554
24 votes
16 answers
6k views

What single change in history would make rear steering cars a standard?

In my alternate Earth, which follows our timeline almost consistently, I want one of the differences being that the de facto standard for cars is that they have rear steering wheels instead of the ...
L.Dutch's user avatar
  • 291k
22 votes
17 answers
7k views

What is the viability of trains on planets covered in water?

I want to write a science fiction book on a planet mostly covered by ocean, but I also want to incorporate trains into my story. However, it seems that with advances in ship and plane technology, ...
Evren Yungjello's user avatar
22 votes
10 answers
9k views

Could 1970s police cars be usable in the modern era?

I'm writing a story set in the mid-2000s USA where a small police agency, for some reason, uses police vehicles from the early 1970s to the early '80s. They have the mechanics, the money, and the ...
Jazzyamx's user avatar
  • 969
20 votes
8 answers
12k views

Car headlights in a world without electricity

In a world like ours in the 1980s, but which for whatever reason does not use any form of electricity. (Either it does not exist or batteries and generators etc have not been invented.) For purposes ...
lijat's user avatar
  • 1,130
20 votes
11 answers
6k views

Could a submarine 'sail' the ocean currents?

A sail generates propulsive force by the difference in pressure on the concave and convex sides. This principle of fluid dynamics should be true of seawater as it is of wind. And the seas do have ...
wokopa's user avatar
  • 4,735
20 votes
7 answers
4k views

Lightning-powered vehicles - are they possible? Are they realistically usable for everyday transport?

Note - I have tagged this as hard-science because, apart from feasibility, I'm hoping for some actual numbers that will tell me the capabilities of such vehicles. Background On a planet far away ...
chasly - supports Monica's user avatar
19 votes
8 answers
4k views

Would ATV Cavalry be as effective as horse cavalry?

During the early 1800s, various countries are gifted tall and modern ATVs (All-Terrain Vehicles). These ATVs require no fuel and come with manuals. After a few months of trials, many Europeans master ...
Rhymehouse's user avatar
  • 3,679
18 votes
21 answers
8k views

In a world where Magic steam Engines exist what would keep people from making cars

I am working a wild wild west mixed with contemorary fantasy setting. So imagine knights in shining Armor, riding along side a train as a dragon flies over and breathes fire down. on they have what ...
Stupidzombiet 's user avatar
18 votes
15 answers
6k views

How do I keep my futuristic racing hovercraft from becoming airplanes?

I'm working on a science fiction racing game that is centered around hovercraft that will race through various environments, both natural and man-made. I'm trying to establish a design language for ...
Arvex's user avatar
  • 3,034
18 votes
6 answers
5k views

How long can I keep my truck oiled after the Apocalypse?

Background The Apocalypse came on Tuesday, and no one was ready. For us soft city folk, survival was mostly a matter of luck. If you fell in with the right group of people with the right skills and ...
kingledion's user avatar
  • 85.5k
18 votes
3 answers
3k views

Designing a traffic system for flying cars

Well folks, 2015 has come and gone, and we still don't have widely-available flying cars. While there is some promising work being done on "flying cars", which are more like road-capable airplanes, it ...
Seth's user avatar
  • 3,745
17 votes
8 answers
4k views

Would trams be workable on a low-gravity world?

After reading this thread from a bit under a year and a half ago about the most cost-effective means of travel on Mars, where one of the answers mentions rail as the best option, I started wondering: ...
Vikki's user avatar
  • 1,035
16 votes
14 answers
4k views

How to make vehicular combat viable in a Post Apocalyptic world?

I want to create a Mad-Max-esque post apocalyptic setting. Unfortunately after a bit of looking into this, there is one massive issue with the idea of lots of maniacs tearing across the barren ...
Jimmery's user avatar
  • 6,081
15 votes
7 answers
3k views

How do Santa and the reindeer survive delivery night?

This related question asks about considerations for Santa's sleigh (particularly weight), but my question is more basic: how do you design a vehicle that satisfies Santa's design requirements, ...
Monica Cellio's user avatar
15 votes
5 answers
2k views

With modern technology would it be possible to build an HG Wells style Martian tripod?

With modern technology would it be possible to build an HG Wells style Martian tripod? It should approximate to one of the HG Wells war of the worlds style tripods at roughly 30m high and have a “heat ...
Slarty's user avatar
  • 37.6k
13 votes
9 answers
4k views

Would a freeze ray be effective against modern military vehicles?

Similar to my previous thread. In my setting, wizards from a pre-industrial fantasy world come to real life. One of these wizards is a cryomancer recruited by the US military and tries out his talents ...
Rhymehouse's user avatar
  • 3,679
13 votes
8 answers
5k views

Are there advantages to using a quad-treaded/split tracked system for a vehicle?

All real military ground vehicles use a continuous caterpillar track or tank tread, but quad-treads/split tracks are often seen in sci-fi, with their futuristic tanks and settings. (Halo scorpion, C&...
bluet's user avatar
  • 560
13 votes
13 answers
5k views

What sort of nuclear-based transportation would be best suited to cheaply transporting large amount of cargo if radiation weren't a concern?

In this scenario people are in a constant war on an infinite flat world with the geography of Antarctica's interior (but with no liquid water or hydrocarbons). Notably this world has an abundance of ...
Vakus Drake's user avatar
  • 2,803
13 votes
6 answers
12k views

A radar-invisible stealth car?

It's common knowledge that one of the things that makes stealth aircraft so stealthy is that the body is covered in a skin of special material that interferes with radar. Would it be theoretically ...
Mason Wheeler's user avatar
12 votes
10 answers
3k views

Ways to refuel nuclear powered cars

I am working on a story set on a world where cars (or in a broader sense road based vehicles) are the main transport mode (aircraft have never been invented here and most bodies of water are so small ...
Blue Devil's user avatar
  • 1,881
12 votes
6 answers
2k views

What would land vehicles designed to operate in a perpetual hurricane look like?

Never mind why there's a perpetual hurricane. This is about the vehicles going into and out of it. Let's say that there's a perpetual hurricane that constantly "hovers" in one location - say,...
KEY_ABRADE's user avatar
  • 13.1k
12 votes
2 answers
542 views

Are there *plausible* planetary conditions where jet aircraft just don't have much advantage over propeller-driven aircraft?

I've seen Which is easier to develop: a piston prop engine or a jet engine? and my own Effects of ~10atm pressure on engine design neither of which answers this. Would different atmospheric density, ...
Tristan Klassen's user avatar
11 votes
8 answers
4k views

Would lightning bolts be effective against modern military vehicles?

In my setting, wizards from a pre-industrial fantasy world come to real life. One of these wizards is a destruction mage recruited by the US military and tries out her talents against modern forces. ...
Rhymehouse's user avatar
  • 3,679
11 votes
9 answers
4k views

Plausibility of a car running on noble gasses

Is there any science-based way that one could explain cars running not on natural gas (autogas) but rather on noble gasses like Neon, Argon and/or Xenon?
Blue Devil's user avatar
  • 1,881
11 votes
12 answers
3k views

How should we compensate for lack of traction for vehicles on the moon?

We are building a 3D game world that portrays an advanced lunar town that's as technically accurate as possible, for the purpose of people roleplaying living there and learning about space development....
kim holder's user avatar
11 votes
7 answers
2k views

Clockwork vehicles

Any suggestions on ways to power large-scale clockwork vehicles? I'm building a world with highly advanced mechanical technology in a D&D-esque fantasy setting, but I haven't decided how to fuel ...
John Sheetrock's user avatar
11 votes
3 answers
1k views

Effects of ~10atm pressure on engine design

Take a planet with an atmosphere similar to Earth's but, say, 9-10x as dense. What is this going to mean for the performance and design of the heat engines that are so familiar to us? Higher oxygen ...
Tristan Klassen's user avatar
10 votes
11 answers
2k views

A reason for racing haulers across tundra / Arctic?

It was difficult to sum the entire question into the title, but here's more context: I'm working on a proof of concept for a game where you are racing vehicles rally raid style across Antarctica and / ...
Joker21srb's user avatar
10 votes
12 answers
2k views

Would improvised motor vehicles be feasible a century after the fall of industrial civilization?

I'm working on a TTRPG system that takes place about a century after an apocalypse event. I've hit a point where a bit of world building is required, and so I'm going down the list of technologies (...
Gerby's user avatar
  • 101
10 votes
5 answers
4k views

A “time capsule” that can last for trillions of years?

The universe is dying because it has exhausted nearly all of its resources. Humans became the last species in the universe because of their resilience and sheer willpower. And yet, humanity still ...
In the name of the story's user avatar
10 votes
5 answers
2k views

What would a vehicle with these properties look like? A nomad's caravan

On Terra, many many people used to be nomadic. Now very few are. An exception is Mongolia, where now in 2023, about 30% of the population remain nomadic. The world I am building is a sort of global-...
wokopa's user avatar
  • 4,735
10 votes
9 answers
2k views

Low Gravity Urban Combat Tank

Which would work better for a small tank designed for urban use on low gravity worlds (inside cities on moons and such) tracks, wheels or something else?
Cosmic Orrery's user avatar
9 votes
8 answers
2k views

What is the easiest fuel a blockaded, sanctioned nation can procure/synthesize during a war?

In my world, which is partially based on a WW2-style environment, there are two large countries, namely A and B, that are fighting each other. A is a Nazi Germany-type country with fine revised ...
Alastor's user avatar
  • 3,422
9 votes
4 answers
2k views

How feasible and capable is a preindustrial land yacht?

This question is based in the desert world described in this question: Can my civilization be totally isolated by deserts? A pre industrial society is adjacent to deserts and mountains to the East and ...
Slarty's user avatar
  • 37.6k
9 votes
5 answers
969 views

Would this "self driving" car work?

The great venture capitalist Elian Minsk has decided to start an "autonomous" car driving service. But who needs complicated AI based systems when he can hire tech support workers in India to drive ...
user4574's user avatar
  • 3,701
9 votes
9 answers
2k views

Theoretically could a powerful telekinetic person start a vehicle without keys?

The telekinetic in question seems to have fantastic line of sight telekinesis and even great out of sight telekinesis being able to even manage "having a sense of feeling" to said things ...
Chris's user avatar
  • 137
8 votes
8 answers
3k views

Why develop AT-AT or AT-TE walkers? [duplicate]

After thinking about the issue of the development of this type of vehicles, I have some doubts about why the decision of this type of transport and not another. Realizing that AT-AT and AT-TE are ...
Gawey's user avatar
  • 257
8 votes
5 answers
2k views

What transportation for snow city?

Set on an icy world where weather forecast is alway blizzard everywhere, I am wondering how do modern day people commute if everywhere are buried under several miles of snow? What kind of ...
user6760's user avatar
  • 48k