Questions tagged [aircraft-design]

Questions about the different choices that aircraft designers (typically aerospace engineers) make in order to create an aircraft.

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986 views

Supersonic Fuselage design [closed]

What should be the ratio of the fuselage and wings in a maximum dimension limited condition supersonic delta wing aircraft? Also can anybody explain clearly the "supersonic area rule" or "Whitcomb ...
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1answer
390 views

How do I decide the tail dimensions and the distance between the wings for a bi plane? [closed]

So I am designing a biplane,I know the weight.I want to know what is the lift formula , volume ratio and aspect ratio for a biplane? I know the formulas for monoplane
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1answer
261 views

Do the F-16's leading edge flaps lock up at +2° when the aircraft as a whole is supersonic, or when the airflow over its wings is supersonic?

My question is: do the leading edge flaps lock upright when the aircraft as a whole is supersonic, or when airflow over wings of the aircraft is supersonic?
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687 views

Boeing Dreamliner MCAS [closed]

If it was not known that Boeing had new software in the Boeing 737 Max, do we know whether this same software is not in the 787-9?
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1answer
312 views

How its like to fly an big back airliner with an sidestick ? How sensitive is the “joystick”? [closed]

Edited because it was "unclear" Now Airbus uses sidesticks as control inputs It looks weird for me because a tiny movement in the joystick would make a big movement and "joystick sensivity" would be ...
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1answer
304 views

How much data required in the 747 design? [closed]

I am interest in how much computer data is required in building the 747>
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3answers
297 views

Why Buy A C182/172 Instead Of An C180/170? [closed]

So a thought came to my mind which covers not only Cessna planes but all others. The Taildraggers need a little bit less runway becayse AOA on takeoff is good and that AOA eliminates the need of ...
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2answers
268 views

When are more engines better than not on a plane?

A model of this airplane was used to carry a space shuttle. In this picture below the airplane had a few extra engines added since then. How is the number of engines decided on an airplane? Why not ...
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1answer
243 views

Is a swept wing the better option against the winglet [closed]

I know that the swept wing decreases lift and the winglet increases lift. Is it better to have a winglet or a swept wing.
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2answers
144 views

What is the maximum height for deploying a parachute? [closed]

i see a detachable plane cabin project .When an airplane crashes, the human toll is generally heavy. Based on this observation, Vladimir Tatarenko, a Ukrainian engineer who worked in particular for ...
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2answers
20k views

Is there any difference between the Boeing 787 and the 737 MAX? [closed]

I've just done some research on the Boeing 787 and the 737. But the 787 and 737 MAX seem almost completely alike. Are there any differences between the 787 and the 737 MAX?
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2answers
384 views

Is this a video of severe turbulence for an Airbus A320? (video) [closed]

I remember reading that in 1966, a 707 encountered turbulence and the wings and tail were torn off (BOAC 911). Is this video at all comparable? Is the A320 more robust than the 707?
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156 views

What percentage or airplanes have engines [closed]

I heard that some airplanes don't have engines. how many airplanes in the world have engines?
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1answer
361 views

Can electroaerodynamic propulsion be used to circumvent sonic booms?

MIT researchers have created and flown the first plane that doesn’t require any moving parts. “Although it is still a long way off from commercial gas turbine propulsion … electroaerodynamic ...
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3answers
159 views

Do modern airliner wings suffer from a “gap” in safe AOA flight? [closed]

The supercritical wing is really great for cruising at high Mach numbers with little change in AOA.
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1answer
197 views

How much speed is required to achieve lift on something that weighs 1000lbs? [closed]

I was wondering how much speed would be needed to get an object that weighs about 1000 pounds to generate enough lift to get off the ground and achieve flight?
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2answers
113 views

Is a 3 horsepower engine powerful enough for a 100 pound ultralight? [duplicate]

I'm building an ultralight and it weighs 100 pounds empty. My only engine is 3HP. Is that good enough?
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1answer
8k views

Can your intestines be sucked out by a commercial aircraft's toilet? [closed]

Say for example you have a complete seal (unlikely) between yourself and the toilet. Is the amount of suction possible to pull one's intestines (or insides) out and into the toilet? I think (probably ...
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1answer
226 views

Why can't we think of mechanism to save people in case of airplane problem? [closed]

Given it is 21st century, why we can't think of mechanism which will save people in case there is problem with the airplane during flight? e.g. so that cases like MH370 don't happen? Is this really ...
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3answers
1k views

What is the maximum speed of the Cessna Citation X?

What is the maximum speed of the Cessna Citation X? I want to attempt to break the sound barrier but I do not know if its possible, where, or how to do it.

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