Questions tagged [flying-machines]

For questions involving flying objects that are heavier than air. This includes airplanes, helicopters and other types of aircraft. For questions about rocket-propelled craft, consider [rockets]. For questions about lighter-than-air craft, use [airships].

Filter by
Sorted by
Tagged with
4
votes
3answers
220 views

Would it be possible for humans to fly with mechanical wings?

This is something I’m thinking about. Now, these would be wings that are not powered by the person themself, since we do not have the strength for it (and I don’t want to use legs). They’d be powered ...
6
votes
3answers
288 views

Why do flying saucers have to spin while flying?

Set during the Cold War period, the then-president rented five (5) flying saucers from the extraterrestrial aliens and a few training exercises were conducted in the air space above Roswell. My father ...
6
votes
4answers
166 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 ...
6
votes
3answers
162 views

Flying commercial airliners with ground power?

A thought occurred to me, and I wondered if it could be made practical... This video talks about the possibility of electrical battery powered planes, and in short, while it may be practical to build ...
0
votes
1answer
58 views

Aerodynamics of propeller vs screw/fin based aerial propulsion

Would it make sense to use screw- and fin-like bending surfaces for propulsion (like what eels or the king of herrings have but in the atmosphere) instead of regular propellers or even flapping wings ...
3
votes
2answers
177 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 ...
9
votes
4answers
419 views

Horizontal lane separation for flying cars?

First these are ground effect vehicles, not true aircraft. While Star Trek, Star Wars, Blade Runner, The Jetsons, and every scifi I can think of has "magically hovering" private transportation, I am ...
10
votes
3answers
884 views

Could a solar system exist inside of a nebula which is made of breathable gases?

Far, far away from the Earth, there is a nebula. An enormous cloud made of 78% nitrogen, 20% oxygen and 2% other non-lethal materials. These gases swirl around a star, and the pressure around it is ...
8
votes
2answers
610 views

Foldable, multipart helicopter blades

What would it take to build helicopter blades that can fold in several parts? This is the continuation of a question on Aviation. Unfortunately, there have been no use case for this for existing ...
6
votes
5answers
524 views

What is the earliest time a pulsejet could be built?

Let's assume that some wealthy characters somehow find the plans for a valveless pulsejet. How is not important. Maybe there was a time travel incident, or some Atlantean book was unearthed, or ...
2
votes
2answers
144 views

Human Shoulder Motion & Powered Flight

I have an idea for a story where human live on world with low gravity and a dense atmosphere. These humans have developed artificial wings that are attached to their arms so they can fly. Since the ...
-2
votes
3answers
182 views

In a world where flying cars exist, what kind of features would the cars need to have? [closed]

Designing a sort of cyper-punkish, futuristic megacity where flying cars have been adopted as opposed to land-based cars to create more space on land and to reduce traffic issues. It can be assumed ...
5
votes
2answers
170 views

Combining Wingsuits and Steampunk

I'm creating a city that uses wing suits to get from high elevated areas to lower areas. It's not a "steampunk" world, but they do rely on steam power. I wanted to create a way for them to land ...
0
votes
6answers
1k views

Can a Magnetically Held Sphere Levitate in the Air [closed]

I have a Sphere like device in my book that floats around doing whatever stuff it does. But I wanted a different implementation than your typical thrusters for it to levitate. So, I designed two ...
10
votes
8answers
2k views

Can Zeppelins and Blimps replace cars in the future?

It would be cool if this entire planet could use zeppelin roadways instead of tarmac roads. Especially for countryside transport away from cities. A zeppelin for one person is about the size of a ...
13
votes
15answers
2k views

Armament for airships filled with non-flammable gas

In my Fantasy/sci-fi universe there exists a lighter than air gas, that is non-flammable, while having density similar or even smaller than hydrogen (I will post some questions related to this gas in ...
6
votes
1answer
125 views

What would be a viable “Throne” for my human to be lifted by an army of house flies?

I have this character in my story who controls insects and I wanna have him travel in swarms of house flies. why house flies? you ask? Well, two reasons: When I was younger they were my favorite ...
-2
votes
2answers
183 views

How much will I have to modify my helicopter to have it fly supersonic?

As explained in this question, current rotary wing aircraft cannot surpass the speed of sound because of retreating blade stall and the fact that the sonic boom would literally rip off the rotor. ...
18
votes
10answers
3k views

Airship defence against pack of flying creatures

In my fantasy world, airships are the main way of transportation. These airships have the hull of a regular 12 century medieval liner. This liner has two leather horizontal gliders on either side (...
5
votes
5answers
1k views

Would an actively camouflaging airship cast a shadow?

I am currently writing about a military society that enforces its subjects using Acer-class airships. Picture the USS Iowa, except flying and with enough supplies for a year in the air. The only ...
-2
votes
2answers
719 views

Steam powered airships [duplicate]

So is it possible that an airship could actually fly using a steam engine? For example a blimp like airship that could carry a dozen or so people, as well as coal for a fuel source, and obviously a ...
-3
votes
1answer
100 views

What would be the most efficient design for a ship that is propelled telekinetically [closed]

Suppose you possess a great level of telekinesis capable of molding steel into almost any shape just by concentrating. And you could use it to both create a ship and propel it at almost any speed you ...
0
votes
1answer
149 views

What type of an engine malfunction would make a good plot device? [closed]

I am writing a book that follows a colony of people living above Venus, in an Airship. At the beginning of my book, a major engine malfunction is discovered that, if let left uncorrected, will result ...
5
votes
3answers
354 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 ...
6
votes
4answers
213 views

Will hypersonic planes be common on Mars?

It's well known that SpaceX has a long term goal of getting people on Mars. Let's assume some time has elapsed since humanity's transition to Mars. Due to lack of transport infrastructure and hostile ...