Questions tagged [aircraft-design]

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

Filter by
Sorted by
Tagged with
-2
votes
2answers
167 views

Can planes go to space? [duplicate]

What are the reasons why planes can't go into space? https://thehumble.co.uk/aircraft-with-forward-swept-wings/
-2
votes
3answers
462 views

Can an electric aircraft self-recharge? [closed]

I'm trying to design an aircraft with a long range, and I thought that an electric aircraft with a generator powered by the motor would be able to do that. However, I've seen very few of these ...
-2
votes
2answers
140 views

What will be the lift generated by the in-wing free spinning gyros in this design?

Gyrocopters feature a free spinning rotor that generates lift. In this design I have included four free spinning rotors inside the wing of a Cessna 172. Although it will not allow it to take off ...
-2
votes
1answer
195 views

Can the airplane cabin pressure control be eliminated? [closed]

In the future, will it be possible to have airplanes designed from materials that withstand the pressure difference in high altitudes without the need for a cabin pressure control systems?
-2
votes
2answers
114 views

Will my CRI CRI twin engine plane fly if I replace the engine with a single 15hp gasoline engine? [closed]

I'm using a lighter materials to rebuild plane, to cut down plane weight to 56kg and a 1.2m 3blades propeller.
-2
votes
1answer
131 views

Is the Airbus approach more friendly (in case of incapacitated pilots) in terms of a passenger being able to fly the plane? [closed]

Is the Airbus approach technology more friendly to a new pilot or passenger than a Boeing haptic approach?
-2
votes
3answers
570 views

Would this hybrid impeller design create enough thrust for a VTOL aircraft?

I am wondering if combining a centrifugal blower impeller with an Archimedes screw impeller would create a hybrid impeller that would create enough thrust to lift up a VTOL aircraft. Please reference ...
-2
votes
2answers
141 views

Would a long pole help stablize a jet pack?

Jet packs are classically worn like a book-bag on the back. Would it be more stable if the exhaust ports were separated? Would the jet pack be easier to control if the turbines were at the ends of a ...
-2
votes
1answer
516 views

What is the best aircraft engine to be used on small aircraft? [closed]

I intend to build small aircraft as I explained here. But I am quite confuse to chose the BEST engine to be used. My requirement is range from 60HP to 100HP. BEST in here is considering the price, the ...
-2
votes
2answers
378 views

Why do drones look different from common airplanes? [duplicate]

In this video is shown Top 5 Military Drone. As we may see, the shape looks different than usual airplanes. My concern is especially with the tail. Normally we know that the tail is vertical. But from ...
-2
votes
1answer
181 views

Where can I purchase air diffusers [closed]

Where can I purchase the air diffuser located in the overhead compartment of each passenger aircraft seat? I need them for a non aviation application. Thanks
-2
votes
1answer
1k 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 ...
-2
votes
1answer
502 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
-2
votes
1answer
418 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?
-3
votes
1answer
693 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?
-3
votes
1answer
339 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 ...
-3
votes
1answer
321 views

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

I am interest in how much computer data is required in building the 747>
-3
votes
0answers
65 views

How to calculate rotor dimensions and other specifications for a flying armored train [closed]

Some friends and I are creating blueprints for a theoretical helitrain tank(not sure what else to call it). It’s meant to be a train-tank-helicopter hybrid. Effectively a chain of flying tanks with ...
-4
votes
3answers
387 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 ...
-4
votes
2answers
439 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?
-4
votes
1answer
128 views

What should be the thrust weight ratio for takeoff? [closed]

I am doing some calculations for preliminary design of an airplane and I was wondering how I would go about determining the minimum thrust to weight ratio needed for the aircraft to takeoff. Which ...
-4
votes
2answers
357 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 ...
-4
votes
1answer
253 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.
-5
votes
2answers
22k 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?
-5
votes
1answer
161 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?
-5
votes
1answer
185 views

Can I fly this six motor drone? [closed]

My body weight; 70kg, Drone weight; 50kg, Props length 0.7m, 6 motors (2hp each), Total weight 120kg, Total horsepower 12, Each motor runs 3000rpm, Please can I fly it. Thanks!!! drawing of the drone
-5
votes
1answer
384 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 ...
-5
votes
3answers
166 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.
-5
votes
1answer
314 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?
-5
votes
2answers
439 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 ...
-5
votes
2answers
289 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?
-6
votes
1answer
9k 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 ...
-7
votes
1answer
200 views

What is the reason for different number of front nozzles on commercial aircraft? [duplicate]

As we observe in commercial aircraft, that there are four or two front end nozzles for gas emission in the air. What is the reason for this variable of 4 or 2 nozzles? Why is it not a constant?
-8
votes
3answers
2k 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.
-8
votes
1answer
242 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 ...

1
42 43 44 45
46