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Q&A

Posts tagged flying-machines

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Q&A 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 fat...

3 answers  ·  posted 2y ago by user6760‭  ·  last activity 2y ago by HDE 226868‭

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Q&A 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 power...

3 answers  ·  posted 2y ago by Jenny‭  ·  last activity 2y ago by Jenny‭

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Q&A 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 o...

4 answers  ·  posted 2y ago by Woodlum Hoodlum‭  ·  last activity 2y ago by Woodlum Hoodlum‭

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Q&A 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 bu...

3 answers  ·  posted 3y ago by FlyingLemmingSoup‭  ·  last activity 3y ago by FlyingLemmingSoup‭

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Q&A 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 win...

1 answer  ·  posted 3y ago by user72590‭  ·  last activity 3y ago by user72590‭

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Q&A 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 levitat...

2 answers  ·  posted 3y ago by Cobbington‭  ·  last activity 3y ago by Cobbington‭

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Q&A 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 a...

4 answers  ·  posted 3y ago by Vogon Poet‭  ·  last activity 3y ago by Vogon Poet‭

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Q&A 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...

3 answers  ·  posted 3y ago by Miguel NoTeimporta‭  ·  last activity 3y ago by Miguel NoTeimporta‭

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Q&A 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 h...

2 answers  ·  posted 3y ago by Eth‭  ·  last activity 3y ago by Eth‭

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Q&A 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 som...

5 answers  ·  posted 3y ago by Eth‭  ·  last activity 3y ago by Eth‭

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Q&A 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 answers  ·  posted 4y ago by 299 Neandertal Variants ‭  ·  last activity 4y ago by 299 Neandertal Variants ‭

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Q&A 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 l...

8 answers  ·  posted 4y ago by com.prehensible‭  ·  last activity 4y ago by com.prehensible‭

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Q&A 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. H...

2 answers  ·  posted 4y ago by JSCoder says Reinstate Monica‭  ·  last activity 4y ago by JSCoder says Reinstate Monica‭