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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14
votes
14answers
5k 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 ...
0
votes
3answers
119 views

Could two-wheel tractors be used in place of automobiles?

Two wheel tractors are a smaller type of tractor, which, as the name implies, only have a single axle with two wheels. Is it plausible that these machines could draw passenger cars and be used as the ...
30
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12answers
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 ...
2
votes
1answer
90 views

Optimal tracks/treads for Desert based tank

This questions sounds fairly simple but i just want to be sure. Imagine if you have an army who's main force comprises Tanks and who have to operate mainly in a desert (think the Great Sand Sea area ...
9
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11answers
2k 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....
4
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4answers
924 views

How plausible is this spacecraft design?

The idea is that the spacecraft would not have a propellant tank on board, but instead would have a huge, spherical propellant tender which the spacecraft could climb around in order to turn. This ...
6
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7answers
359 views

What would be an effective land based mode of transportation for mermaids?

(this is probably going to be my last mermaid based question for while) unlike their giant counterparts, most mermaids are more humanoid sized and have a life style similar to seals. now some of these ...
3
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2answers
101 views

Would redox flow batteries be good for the development of all-electric armored vehicles?

I am in the process of creating a somewhat hard military sci fi setting and was enamored by the idea of all-electric armored vehicles for a future war. For this I decided to used Redox Flow Batteries: ...
4
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2answers
318 views

Air vehicles for birds

I want to make a race of sapient birds,they are starting their own industrial revolution. Is it possible for them to develop air vehicles even though they can fly without them??
49
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8answers
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 ...
-2
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1answer
101 views

What is the largest a wheeled or tracked vehicle could get? [closed]

What is the largest that we could make a wheeled or tracked vehicle with modern technology?
8
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4answers
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 ...
20
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7answers
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 ...
21
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10answers
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 ...
7
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5answers
298 views

Uses for a 1950s-era nuclear-powered land vehicle?

I have heard of the Chrysler TV-8 design, an amphibious armored vehicle powered by an onboard nuclear reactor...basically a nuclear-powered tank. The TV-8 never made it off the drawing board; the ...
9
votes
9answers
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 ...
1
vote
2answers
246 views

How would a quadrupedal species design vehicles?

Back in the early times of my story's world, before humans had even arisen on Earth, another planet over 1,000 light years away held two civilizations of dragons. One was the traditional hexapod ...
0
votes
1answer
98 views

The experience of owning and driving a nuclear fusion powered vehicle

I am using the BattleTech universe for my stories, which has nuclear fusion powered cars. My assumption is that they work similarly to an EV, but with an onboard power plant. So, they'd still be run ...
12
votes
8answers
3k 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&...
5
votes
4answers
374 views

What would a war robot actually look like? [closed]

As cool as giant robots are and humanoid robots are, they are not the most practical things. I've seen things like human ships crewed by robots, but looking at this, i mean why? Why not make the whole ...
8
votes
4answers
184 views

Edible vehicles - feasibility now and in the future

NOTE: This question is inspired by my own answer to a previous question. There is no duplication. See What do stranded astronauts eat in space Scenario On a mining planet where there are vast deserts/...
2
votes
10answers
848 views

self contained fuel source

Is it feasible to have a vehicle powered by fuel that the vehicle produces within its self? This vehicle can be a land vehicle or an air vehicle if you want. It must be capable of transporting at ...
5
votes
4answers
194 views

Post-Apocalypse EV Effectiveness

Setting: It's after the apocalypse. No zombies or major nuclear fallout, just 99.9% of people were killed for some reason (superplague, whatever). During the final days of society, massive looting and ...
12
votes
2answers
498 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, ...
3
votes
3answers
269 views

What is the best form of powered vehicular flight within a McKendree habitat?

Background A McKendree cylinder is a spinning space habitat in the style of an O'Neill cylinder (below), but orders of magnitude larger. McKendree habitats are hundreds of kilometres in diameter and ...
5
votes
2answers
179 views

Speed of a Spider Tank?

Disregarding all the impracticalities of a legged vehicle, assuming one was created, how fast would it be? I know there are a ton of variables, so I’m just looking for a ballpark estimate for a ...
4
votes
2answers
367 views

What might be an effective mode of transportation for Giants?

In my story Giants, humans, and a bunch of other fantasy races live along side each other and i'm curious as to what might be an effective mode of transportation for 10 foot tall Giants with Ancient ...
-1
votes
3answers
268 views

What technologies will make the wheel obsolete in the future? [closed]

It will be a major revolution to see an invention that existed for many thousands of years disappear in the far future. I think that levitating and hovering technologies will make the wheel obsolete ...
6
votes
4answers
240 views

How would you design Turn-Signals on a Flying Car?

When designing a flying car intended for congested city routes with slow traffic, should turn signals indicate all possible directions. In most sci-fi, I've seen designs that have no turn-signals or ...
10
votes
5answers
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 ...
3
votes
3answers
582 views

Could Bronze-Age Nomads Effectively Utilize Chariots for Warfare?

Horses were first domesticated on the steppes around 3500 BC, but the horse would not be ridden directly into battle for at least two more millennia. Instead chariots ruled the battlefields of the ...
4
votes
2answers
277 views

An entire aircraft carrier group utilizing the ground effect?

I’ve heard there was no upper limit for the size and weight of a ground effect vehicle. In my world, the people there wanted to design a quick response aircraft carrier that could reach anywhere ...
1
vote
1answer
134 views

Building a formula 1 car within one month?

! One of my characters wants to participate in a medieval chariot race. The catch is, they use magical chariots that can go at significant speeds, similar to today’s street cars. So he and his ...
6
votes
3answers
195 views

Navigating a sea of sulfur hexafluoride

Sulfur hexafluoride is pretty awesome. It is a gas six times denser than regular air, and thus you can actually make tinfoil "boats" float on it. It also makes your voice deep when you breathe it in. ...
2
votes
4answers
313 views

Perfect centrifuge crew quarters for a interstellar spaceship?

I want to design a realistic interstellar spaceship that uses centrifugal force for only the crew quarters. But while looking up for designs I found the most common ones are the torus or ring design. ...
6
votes
2answers
155 views

How nimble can I make my aeroplanes?

Although I'm aware of the real life existence of aerosports involving planes, exactly how nimble can I expect my planes, of a similar size, to be. If I were to design or have a racing course for said ...
3
votes
3answers
131 views

Designing a biological drop pod?

How would a biological drop pod make it into the atmosphere and land safely? I have a race of aliens that use biological tools instead of technology. Their ships are living beings that can travel ...
3
votes
2answers
256 views

General characteristics of an “aircraft” for gas-planet atmospheres?

In the future gas giants, ice giants, mini neptunes and gas dwarfs have been colonised. The colonisers use either hot hydrogen or vacuum in rigid ballons to keep their cloud cities up in the endless ...
3
votes
3answers
463 views

Could a vehicle levitate through use of ultrasonic sound waves?

This is a bit of a continuation of my previous question, could a form of acoustic levitation be used as artificial gravity? In that question, I referenced how some scientists use acoustic levitation ...
8
votes
5answers
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 ...
18
votes
21answers
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 ...
16
votes
14answers
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 ...
3
votes
3answers
289 views

What kind of (probable) traffic accident might lead to the desctruction of only (!) the brain stem and cerebellum? [closed]

This is a question about the real world. In the story that I am writing, one person suffers the destruction of (most of) their brainstem and cerebellum. Other parts of the brain and body remain ...
5
votes
6answers
256 views

Best type of vehicle propulsion for rough terrain

I have been trying to design an offroad/all-terrain/rough terrain type vehicle for a story but i am split on what type of propulsion it uses. The vehicle i envision is supposed to be able to race ...
5
votes
4answers
447 views

Tech required for low-flying/hover vehicle

We're in a nearish-future metropolis and the secret police are starting to take control of the city. They have some new technology, including hoverbike-style vehicles (I imagine them as single-person ...
0
votes
4answers
158 views

The consequence of creating vast amounts of toxic waste [closed]

In my world cars operate on an inverse principle. Instead of fueling the car, the tank is preferably ran empty. As the car runs, viscous, toxic liquid builds up in the tank. When the tank is full, ...
3
votes
2answers
503 views

Flying vehicles powered by superconducting magnets pushing off the Earth's magnetic field [duplicate]

Maglev trains are fun, but who wants to be stuck on a track? Dr. Acme had the brilliant1 idea of ditching the track and simply using the Earth's magnetic field as the base that would repel his ...
4
votes
1answer
245 views

Shape-shifting using particle-sized 'building blocks'

My fictional world has special sorts of vehicles that can shape-shift, using some sort of building blocks which are a few times larger than average molecules. These sorts of substances can rearrange ...
9
votes
5answers
668 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 ...
12
votes
3answers
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 ...