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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52
votes
11answers
20k 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 ...
15
votes
7answers
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, ...
1
vote
2answers
611 views

Could a photonic engine actually work?

I have a very specific aesthetic in mind for my science-fantasy setting, technology is largely pneumatipunk supplemented with weired phonotic devices;for "reason" there are few electrical devices in ...
17
votes
3answers
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 ...
5
votes
3answers
414 views

Mechanically correct rotorcraft aerial ship

I am taking a page from the Anatomically Correct Series here. But instead of a living organism, I'd like to ask about a special kind of vessel. I like ships. They are big and confortable. They have ...
29
votes
9answers
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 ...
12
votes
2answers
495 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
9answers
332 views

Logical reason why motor vehicles wouldn't be allowed in post-war towns?

So, I am creating a post-apocalyptic world set 97 years after nuclear war, in the former state of California, AD 2059. The Californians, compared to the rests of the wastes, have done well for ...
27
votes
9answers
7k 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 ...
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 ...
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 ...
8
votes
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 ...
8
votes
8answers
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 ...
12
votes
6answers
10k 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 ...
6
votes
2answers
415 views

Monolithic vehicles vs a convoy; So you want to go on a road trip

The scenario; suddenly a modern human world finds their nice, simple, understandable spherical world/solar system going poof overnight, and it being replaced by a mine-crafting plane world. Everyone ...
4
votes
2answers
355 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 ...