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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2
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2answers
127 views

A car propelled by a turbine air jet has acceptable efficiency?

So, I know that there are vehicles that use gas turbines as their engines, but they are connected to the wheels. What I'm asking is that if a turbine with reasonable size (small enough to fit in a car ...
4
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5answers
202 views

With modern-day/near-future (i.e. potentially realizable within 20 years) technology, can a nuclear reactor with these characteristics be built?

I'm writing about a nuclear-powered tank. Yes, I know about what the problems associated with it are. No, the people in the setting don't care about radioactive contamination of their environment, or ...
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2answers
93 views

Why would a military use hybrid jet-propeller planes?

Hybrid jet-propeller planes in real lift where a weird thing that existed in the 40s & 50s, no type of them ever saw combat use or even limited production. In modern day not even much research is ...
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10answers
4k 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?
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1answer
130 views

space combat for a BTE 4x game game [closed]

l am currently writing a game - I'm making a racing table top game with high tech weapons. What's a weapon that would shoot through people that isn't just a high powered cannon? It doesn't have to be ...
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8answers
713 views

Why would very large trucks regularly be used for logistics?

The very large trucks are mining truck size. They can haul 300 to 100 tonnes of Thing™. They can be outfitted to carry containers. They have a roughly equivalent curb weight to their payload. They can ...
6
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2answers
395 views

How big would my airship have to be to fit a modern VLS system

For my factions anti-occult paramilitary force, I decided to give them large, armoured airships for their main form of transport and attack, which do not use gas bags for lift, but rather a magical ...
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4answers
341 views

Vehicles vs work animals in a desert planet

Would animals like camels and horses be more useful/practical in the deep desert than vehicles like dune buggies and sandrails? Basically, I have a planet that's mostly desert surrounded with rock ...
6
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4answers
278 views

Are low-energy submarines possible?

I'm envisioning submarines just cruising around doing normal things, taking the role of cars, trucks, RVs. I'm trying to estimate how much energy they would need. https://en.wikipedia.org/wiki/...
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1answer
124 views

Viability of a jet modelled after a dragonfly?

Insects in the order Odonata have tow pairs of wings that can be moved independently, their compound eyes grand them full 360° vision and their bodies are elongated. They can flap their wings out of ...
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1answer
91 views

How does one fight in a perpetual hurricane?

Never mind why there's a perpetual hurricane. This is about fighting in it. I'm not sure what the terrain of the Sahara is after getting blasted with hurricane-force winds for 2 million years, but ...
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6answers
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,...
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1answer
169 views

What would be the best battery someone could make in the late 1400's?

In my champaign a character has the ability to gain knowledge from the far future and has used that knowledge to expand technology and bring on an early industrial revolution. They have built up to a ...
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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 ...
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3answers
137 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
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1answer
110 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 ...
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12answers
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
1k 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 ...
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7answers
414 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
123 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
363 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??
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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 ...
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1answer
104 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?
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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 ...
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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 ...
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5answers
309 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 ...
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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 ...
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2answers
272 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
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1answer
103 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
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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&...
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4answers
409 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
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4answers
191 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/...
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10answers
856 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
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4answers
262 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
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2answers
506 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
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3answers
322 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
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2answers
190 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
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2answers
386 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 ...
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3answers
285 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
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4answers
273 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 ...
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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
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3answers
649 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
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2answers
324 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 ...
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1answer
136 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 ...
7
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3answers
213 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. ...
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4answers
375 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
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2answers
162 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
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3answers
135 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 ...