Skip to main content

Questions tagged [fixed-wing]

Conventional aircraft where the wings do not move to create lift. Distinct from rotary aircraft such as helicopters, where the lifting surfaces (rotors) spin to create lift.

Filter by
Sorted by
Tagged with
1 vote
2 answers
138 views

How can I control my airspeed using throttle to command?

I am developing code for a fixed-wing aircraft in ArduPilot to control desired airspeed and vertical speed through attitude commands (roll, pitch, yaw, and thrust) in simulation. I understand the ...
developer's user avatar
1 vote
1 answer
251 views

Lift Coefficient question

I am making a RC Airplane, it has a wing profile as shown above. What might be the approx. lift coefficient of this? The wingspan is 80cm, what will the lift provided be by this wing at 65kmph ?
S.A's user avatar
  • 21
0 votes
4 answers
211 views

How much does the wing of a 6-seater plane weigh?

I could find plenty of information regarding the total weight (empty operating weight, maximum landing weight, and maximum takeoff weight) of every plane in commercial production. However, I could not ...
CoastCity Lapse 00crashtest's user avatar
1 vote
0 answers
59 views

Which type of wing would be a better option for fixed-wing UAV? Mid or low?

In the context of VTOL hybrid Fixed-wing tiltrotor UAV, for the operation that would require low weight and more maneuverability for agricultural crop surveying, which option would be a good choice, ...
Tejas Raysad's user avatar
2 votes
4 answers
292 views

Moving from 2D wing to 3D wing design

In terms of the design perspective of an Aircraft, once we decide on the airfoil that would be used for the wing, how would an Aerodynamics Engineer (or you) proceed to construct the wing? The ...
KNVCSG's user avatar
  • 23
0 votes
1 answer
170 views

Sources for Python Codes to do some aerodynamic Calculations [closed]

I am currently working to design a wing. I basically want the Python code which would take the coordinates of the airfoil (.dat file), freestream velocity, Span (b), planform of the wing as input, and ...
KNVCSG's user avatar
  • 23
11 votes
3 answers
3k views

With existing tech and knowledge of meteorology, can aircraft be designed to reliably improve their range or loiter using updrafts to gain altitude?

Just what the question says. I want to know if aircrafts' range, loiter time, or other measures of merit can be dramatically and reliably increased using our current understanding of meteorology and ...
Sorghum's user avatar
  • 113
9 votes
1 answer
937 views

When bailing out of a T6 what is the intended path that the pilot clears the horizontal stabilizer?

My wife and I who have both flown in vintage T-6's in the rear seat have been given instructions to stand on the seat and "dive toward the wing" in the event we need to bail out of the ...
tsjackson's user avatar
2 votes
0 answers
87 views

Adding fixed wing CFII SEL to helicopter CFII rating

I am a CFII, and have just been asked to assist a Helicopter pilot who has FIH (CFFII-Helicopter) and a Commercial fixed wing (SEL) certificates to obtain a CFII SEL rating. My research to date ...
Warren Bishop's user avatar
1 vote
1 answer
219 views

How to calculate forces and moments on an aircraft in ground effect

I am looking to calculate the six degree of freedom forces and moments (lift, drag, side force, roll, pitch, yaw moments) on an aircraft (fixed wing) in ground effect, but I do not know how to do this....
MarcoD's user avatar
  • 13
0 votes
0 answers
78 views

I need help with this dent classification rule

I'm an Aerospace Engineer from Chile, and I have the following reference issue: Supposedly there's a damage rule related to dents on aircraft skin that says If the distance between two dents is lower ...
Jota243's user avatar
5 votes
2 answers
1k views

Why do experimental aircraft have such long tubes on the nose?

Why do experimental aircrafts (like the X-35, the Space Shuttle Enterprise, the H160 or the X-15 in the pictures) have such long Pitot tubes at the nose when compared to the production aircraft? Are ...
Jordan Goodman's user avatar
6 votes
6 answers
5k views

Without wind, would a plane go straight if the pilot let go of the controls?

If you let go of the steering wheel of a (properly maintained) car, it will typically go in a straight or nearly straight line. Would a powered airplane in no-wind conditions do the same thing?
Someone's user avatar
  • 7,097
1 vote
1 answer
112 views

How do fixed Vs rotary wing licences work in Britain?

I am eager to be able to fly both helicopters and fixed wing planes commercially. Would this require two separate Commercial Pilots Licenses or is there some amount of overlap? For example, can you do ...
James Geddes's user avatar
5 votes
5 answers
3k views

Do symmetrical airfoils generate induced drag?

Cambered airfoils generate induced drag because they have a pressure differential between the upper and lower surface. However symmetrical airfoils don't. So does this mean that symmetrical airfoils ...
Aviation Enthusiast's user avatar
0 votes
0 answers
128 views

How would I draw the Max Thickness Sweep Angle on a wing from a Top View?

I have the Max Thickness Sweep Angle, Wing Tip and Root Chord Length, and Max Thickness to Chord Ratio defined. However, I am having trouble drawing the Max Thickness Sweep Angle on the wing because I'...
Jose De La Pena's user avatar
0 votes
0 answers
227 views

Lifting Line Theory - The general lift distribution

While studying the derivation of the lifting line theory using different text books like Fundamentals of Aerodynamics by John D. Anderson, Precisely when deriving ...
Mostafa Zewail's user avatar
1 vote
3 answers
511 views

What is the maths behind Loitering of Aircraft?

I am making a controller for loitering using PIDs. The equation which is used to find the radius of circle given bank angle and speed is in following link: How to calculate angular velocity and radius ...
Asad's user avatar
  • 21
5 votes
2 answers
4k views

Do rotorcraft flight hours count for airlines requirements?

I have a question about flight hours. Many civil airlines require first-officers to have over 1500 hours. I have 300 hours for fixed-wing, and also have 2000 hours for rotorcraft(helicopter). In this ...
Junwon Park's user avatar
-4 votes
2 answers
635 views

What is a "fixed wing" aircraft?

I’ve been trying out different hobbies over the last year, and plane spotting is my current one. I’ve heard some terms being thrown around about planes like the ones at the Airport - what is a Fixed ...
Will Po's user avatar
  • 21
11 votes
2 answers
4k views

Why is the ball no longer centred in a multi-engine airplane with inoperable engine?

I'm currently working on my PPL, and whilst trying to understand fully how the turn coordinator works, I got down a rabbit hole that makes me question my understanding, and that I can't dig myself out ...
mathrick's user avatar
  • 296
1 vote
0 answers
182 views

Drag estimation of Xfoil and Vortex Lattice Method?

I have been working on building a software to estimate lift and drag properties of a fixed wing being tested at a wind tunnel. The setup is a low AR wing with NACA0012 profile and 0.3m chord, with 0.4 ...
tackoo's user avatar
  • 11
-1 votes
1 answer
123 views

Can we get 0:40 thrust to weight ratio from three small engines

Because I have an engine of 13 hp four stroke 1 cylinder that pulls about 0:20 T/W ratio. and is it possible to multiply the thrust by two? Using two more small engines which is 6.5 hp each on the ...
Dawood Hussaini's user avatar
0 votes
0 answers
92 views

What characteristic my canard needs to have when the canard also carries a pair of engine?

I am in 3rd year Aerospace Engineering and trying to do a preliminary design of an airplane. My design has a front wing that also has an engine at its root on both side of the fuselage. There is ...
user39178's user avatar
  • 323
-3 votes
1 answer
380 views

Fly a fixed wing single propeller airplane like a helicopter?

Has anyone tried to "helicopter" an airplane? And succeeded? And posted this video on the internet where I can find it? What I'm talking about with what I would call a "helicopter&...
MacGuffin's user avatar
  • 296
1 vote
2 answers
813 views

Pressure distribution on Aircraft wing

While conducting a structural analysis FEA for an aircraft wing, I had to import the CFD pressures acting on the wing, lets say at an A.o.A = 10 deg, at 80 m/s and at sea level, and say the ...
Rameez Ul Haq's user avatar
1 vote
3 answers
2k views

Single vs Twin motor for an electric RC airplane

I'm designing a fixed wing UAV for a project. I need an airplane that can fly for at least 200 minutes. Obviously, it means a big battery and thus a lot of added weight. I've been debating whether or ...
Joshua Cervantes's user avatar
0 votes
1 answer
178 views

Wing flex physics?

What physics is involved with wing flex when in air? A simplified answer will suffice. I can understand when on the ground that a heavier wing makes it bend more down. My feeble understanding: When ...
Invariant's user avatar
  • 1,731
11 votes
2 answers
2k views

Can a tiltrotor fly safely with one engine?

I am curious about tilt-rotor feasibility (such as AW609) against fixed-wing and rotor-blade aircraft (conventional helicopters). One important issue that immediately arises in my mind is that both ...
ppinto's user avatar
  • 707
-2 votes
1 answer
140 views

In fighter jets, is the minimum speed calculated with the flaps in the down position or up? [closed]

I asked that question because F16 flying straight and level at minimum speed does not have flaps down. So how is the minimum speed calculated by aircraft designers?
George Geo's user avatar
  • 2,111
4 votes
2 answers
349 views

Why are propeller driven aircraft commonly built with a higher wing aspect ratio and a straighter wing angle?

Why do propeller driven aircraft (especially smaller ones like fighters) tend to have a narrower wing with a higher aspect ratio and a more perpendicular wing angle in relation to the body, whereas ...
Yudhi G.'s user avatar
  • 509
2 votes
1 answer
278 views

Could a rotor head wing be plausible?

Could a helicopter support a detachable wing with no controls on top of the rotor head in place of a radar dome? Could the rotor head be made to support more weight? Would it be more fuel efficient at ...
Muze's user avatar
  • 1
-1 votes
2 answers
2k views

Could a BV-347 be upgraded by extending the wings?

The CH-47 Model 347, also referenced as BV-347, was a helicopter that utilized a wing for forward flight and to carry external payloads. Could the wings be extended and engines on the rear rotor ...
Muze's user avatar
  • 1
0 votes
1 answer
187 views

Would this modified tire work to prespin an aircraft tire? [duplicate]

In order to decrease that initial hit of the tire spinning up to ground speed on the runway, could adding a blades or shape into the tire rim of a commercial plane save on tires by prespinning the ...
Muze's user avatar
  • 1
0 votes
3 answers
249 views

how are UAV systems (aircraft+ground facilities) fitted with landing aid system?

For commercial aircraft, precise landing aid systems (ILS, GBAS) are required for autolanding, but these navigation systems are too expensive to be used for UAV operations. However, a lot of UAV OEMs ...
VvV's user avatar
  • 1,589
5 votes
2 answers
271 views

Positions of drag wires in a bay

Take a good look at the small dots • on the bays of this two spar wing. My question is: Are the drag and anti drag wire as seen in bay 1 supposed to connect to the root of the compression tube Or ...
David Teahay's user avatar
  • 2,895
2 votes
3 answers
778 views

From which rating would it be easier to transition to an Osprey? Fixed-wing or rotary-wing?

If the future of flight was to be on aircraft that were a hybrid of fixed-wing and rotary-wing (for example the Osprey), assuming they had similar technical abilities and the same number of flight ...
Wings's user avatar
  • 121
1 vote
2 answers
4k views

Straight Wings VS Delta Wings, Variable wing with Forward swept capability [duplicate]

What are the Pros and Cons (Advantages and Disadvantages) of a Delta wing and a Straight wing against each other, and if a Variable wing with a capability to become a Forward Swept wing is even ...
Nightshade's user avatar
1 vote
1 answer
278 views

How do the vortices of a fixed wing and horizontal stabilizer interact? [duplicate]

What interaction of vortices between the fixed wing and horizontal stabilizer? How do the vortices affect the flow of the horizontal stabilizer upon leaving the wing? when will the downwash effort ...
Andy's user avatar
  • 11
3 votes
1 answer
270 views

What are a few main differences between ATC interactions for rotorcraft vs fixed-wing?

The title says it all. In particular, I'm wondering what the differences are in reference to: Takeoffs and landing - can rotorcraft be cleared to take-off / land directly from / to the helipad? When ...
slantalpha's user avatar
  • 4,223
0 votes
1 answer
825 views

What are the minimum hours required for private instrument fixed-wing plus commercial helicopter?

I want to get my private pilot plus instrument rating in fixed-wing aircraft for personal use. In addition to that I want to get my private and commercial in helicopters to start a career in flying ...
Destrey Trainham's user avatar
2 votes
1 answer
4k views

How is the airfoil of a fixed wing ultralight constructed?

This is a good example of the type of ultralight I am trying to build: (Source) How might the airfoil be constructed in this plane? My guess was that it's mostly created by the cables that suspend ...
TrapAlcubierreDrive's user avatar
3 votes
1 answer
4k views

What is the shape of the power required curve?

I understand that when flying level, some power is required to maintain altitude, this power amount being: Normally larger when the speed is larger, this is flying on the forward side of the required ...
mins's user avatar
  • 75.3k
10 votes
1 answer
627 views

Is there a fixed-wing aircraft that uses a scissor propeller configuration?

(Source: primeportal.net) Has there ever been a fixed-wing aircraft whose propeller is in a scissor configuration? Like the Apache's tail-rotor seen here: What are the benefits of a non-orthogonal (...
user avatar
6 votes
3 answers
869 views

Do wingtip vortices really only form when airplane wheels are separated from the ground?

My GA theory textbook (which covers fixed wing up to and including EASA PPL) has some suggestions on taking off and landing light aircraft soon after large aircraft (besides avoiding it, if possible), ...
user's user avatar
  • 6,984
6 votes
3 answers
2k views

How is the centre of lift and centre of gravity misalignment problem solved in Delta wing aircraft?

Since Delta winged aircraft don't have horizontal stabilizers to produce down force, how is that problem solved ?
Arth Patel's user avatar
1 vote
2 answers
436 views

What are the dynamic stability properties of an aircraft with wings exactly at the vertical CoG?

Please ignore for a moment the practical issues with building and operating an aircraft like this. Suppose a fixed-wing aircraft which, when viewed directly along the roll axis, has the wings ...
user's user avatar
  • 6,984
4 votes
5 answers
5k views

Why are there no 4-winged airplanes?

With larger wings comes more drag. So why don't large planes have 4 smaller wings instead of 2 very long ones?
Marmelador's user avatar
86 votes
15 answers
45k views

What is the slowest fixed-wing airplane?

It's easy to find information about the fastest airplanes, in different categories (e.g. X-15, SR-71, the Concorde etc), but what is the slowest one? Which powered, manned airplane is capable of ...
el.pescado - нет войне's user avatar
5 votes
1 answer
2k views

What are the aerodynamic advantages and disadvantages of the Weltensegler wing?

What are the aerodynamic advantages and disadvantages of the Weltensegler Wing? Would this kind of wing configuration come to help for a glider? Is there any difference between them and gull wings? ...
Risshi Jain's user avatar