What is a stall?
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- Опубликовано: 7 ноя 2024
- A simple explanation that looks at the aerodynamic forces that cause a STALL.
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#flightclub #stall
Ohh, so that's what a stall is. I've been playing War Thunder and I found this guide telling me to use a stall and I didn't know what the term stall was for planes. Very informative!
Also been playing war thunder wandering why it's telling me to dip my nose down before I stall. And once you do stall the way you loose partial control of the plane is so weird. so I wanted to know wtf is happening under the hood.
Thank you for this video! The most important concepts of flying are explained in a very lucid manner.
I am about to fly for the first time and am very excited about it and therefore needed a video like this to gain insights in the basics of flight. Thanks again!
I have noticed stall all the time while playing GTA
Have u tried a modpack
Trevor is a trained pilot.......
Is this the GTA as in Grand Theft Auto the game can you fly a in Grand Theft Auto
@@thediscussionclub1675 Yes
😂😂😂😂😂
man i love this channel, such clear and simple explainations
Glad you like them!
I fly Cessna 152 and one of the things we use to do is practice power on and power off stalls along with hanging the prop which I hated but got good at it lol. Love the videos keep them coming
Brilliant explanation. Thoroughly explained in every way. 👏🏼👏🏼
Your channel is awesome! Please don’t stop
Im still confused
I don't think I will ever understand this. How air on top of a wing can produce lift? Suction? If you have air under the wing lifting it, what does the air on top have to do with it? Completely lost
@@nadrzenyporad well in fact air pressure ALWAYS produces a force which pushes on a surface. So the air over the wing produces a force which pushes downward, while the air which passes at the bottom of the wing produces a force upward. So the lift is produced by the fact that air pressure is greater at the bottom so that the resulting force upward is greater than the other one. So is differential pressure which produces resulting force. This is the same reason because of the Archimede's Law. Water pressure going down increases, so an object receives a lift because of the differential pressure. Sorry if it was bad english.
@@nadrzenyporad when an airplane is in lift off (or in an emergency), pilots need to shift their airplane's wings up and down. If the nose of the plane goes too far upward, it's tougher to get air flow above the wing. The flow from the upside is now dead weight. The plane will start to fall, consequently. This upset is known as a stall, and eventually a plane's wings experiece so much stress that it won't be able to function properly.
Get off the dope and straighten out your life. Maybe then life won't confuse you and you'll understand.
And the award for most unnecessary comment of the day goes to @Woxwell.
Great work!! Plain and simple explanation aided by clear graphs. Love it!! Although it's fair to say that having a bit of a background reading of the theoretical principles makes the explanation a lot easier to digest it.
Thank you José.
Another very informative, well presented video. Thank you for making these, I sure wish I knew about them during my PPL training!
Excellent Explanation
I'm going to school for aviation maintenance we covering physics this was a big help
air fance pilot flight 447 needed to watch this
Still so bizarre, after 10 years of reading those reports. He kept pulling up even after hearing the stall cricket
@@daxmiller35 he was in a startled state. His brain wasn’t functioning at its usual cognitive level.
thanks so much that was very helpful and well explained and animated
Glad it was helpful!
Very good explanation!
Thank you very much Sean.
Very brief but useful video
Who came here after the recent Boeing crashes
I did
Yeah, but I didn't get anything!
I don't think this is what happened with the Boeings. It was their faulty electronic sensor systems that caused the incidents.
meeee hahaha
Random user #74652819 737 MAX uses a Bigger engine for fuel efficiency than its earlier versions. This couldn’t be fitted just under the wings in the same location as before due to its huge size and lesser ground clearance. So they moved it a little bit towards front and this caused the plane unstable and stall. So to overcome that they added this MCAS.
Классное объяснение спасибо
Please make Subtitles enabled for this video. As i am unable to follow because my mother tongue is not English. I am from Pakistan.
If someone asks me, where did you study aviation I will say from your channel clearly, thank you a loooooooooot for every single word.
Oh wow, that's so kind of you. Thank you very much for such positive feedback.
@@flightclubonline we are waiting for more informative videos from you, keep going ❤.
This is taking me a while to learn, I've been reading articles about it too. Can you explain something to me please, how is it that something like a fighter jet is able to climb at any angle with flatter wings? Does this come down to producing greater power than the stall factor or am I going off the rails again and have to start from scratch to relearn?
You're kind of going off the rails..don't over think it. I will agree, this video is slightly confusing when she talks about the "lower pressure pulling the wings up".
- A stall is an aerodynamic condition which occurs when smooth airflow over the airplane's wing is disrupted, resulting in loss of lift. Because of the increase in angle of attack, smooth airflow can no longer attach itself to the wing/airfoil and becomes turbulent.
- A stall occurs when the wings Critical Angle of Attack is exceeded*
- The Angle of Attack "AOA" is the difference in angle between the wings chord line and relative wind
*It is possible to exceed the critical angle of AOA at any airspeed, at any altitude and at any power setting. Example: you are flying straight towards the earth, you pull back on the yoke, the angle between the wing and relative wind is increased/exceeded...smooth airflow can no longer attach itself to the wing, the wing stalls.
@@bradleebo3461 "A stall is an aerodynamic condition which occurs when smooth airflow over the airplane's wing is disrupted, resulting in loss of lift."
I thought the lift was from the higher pressure under the wing though? Why does that happens over the wing matter? Isn't that why wings are angled downward a big?
There is something that I am not understanding, and I'm trying to figure out why what happens over a wing matters when all you really need is resistance to air which is from under the wing that will lift you up.
So when you talk about airspeed, are people talking about speed over the wings or speed under the wings? Because they are apparently traveling at different speeds due to the air pressure being different over and under it.
@@tommyv4980 airspeed is the free stream flow before it reaches the are of influence of the wing.
While high pressure below the wing contributes some lift the reduction above the wing is usually the greater contributor. Many fighters are designed to fly at high angles of attack. When they are going straight up, they are at a low angle of attack to the airflow and the engine is doing the work of driving them up.
Thx , when i play infinite flight idk
Why but i always stall , thx for this vid
Great video, thank you.
Thank you!
This is a very good video but it might be better with a more animated, labelled diagram that focuses on specifically what she's saying at the time
Who's where because of the tragic event recently? 😢
Me😢
this is a good video
Thank you! Appreciate the feedback.
Actually, theories say that the low pressure is generated by faster moving air. However, faster moving air ONLY generates low pressure in pipes. It is actually the airfoil deflecting air downwards.
Clear as mud.
Generally speaking, is it the center of pressure always behind a center of gravity(in a straight and level flight) thus creating downward pitching moment on the wing (because of the lift)?
The center of gravity should always be in front of the center of lift. If the center of lift is in front of the center of gravity the plane will be inherently unstable. Planes with a center of lift behind the center of gravity are inherently stable and will be able to stabilize themselves even without any intervention when they pitch up or down which could prevent a stall.
Yeti Airlines crash, my assumption is STALLING
We will have to wait for the official report.
Please help, if the plane stalls at the angle 16 degrees, how do they tilt their nose upward and go up, yet still not stall when taking off?
Look up flaps and slats. These are control surfaces which are deployed by the pilot during takeoff and landing to change the aerodynamic properties of the wing. They increase the critical angle of the wing at the cost of increased drag. If you ever fly on an airliner you will see these surfaces being retracted after takeoff and extended again for landing.
To answer this question for anyone who reads it in the future, the Angle of Attack mentioned here is "relative to the wind", meaning it is relative to the angle of the air flowing over the wing, not the ground. When a plane takes off, they must generate enough forward airspeed that the wing generates enough lift to support the craft, then as they rotate the craft nose upwards they must also keep enough forward airspeed to keep the "relative wind" at an angle lower than the critical angle of attack.
You don’t lift off at 16 degrees that’s why
@Riccardo Cacchioli You are two years late. I no longer need an answer.
@@landen4392 that’s an ungrateful reply to someone who made an effort for you.
I learned what plane stall from video games such air combat
Love it
Thank you so much!
I can’t fly I’m literally terrified
A stall is a trading table at the market or where you do your nature's business
they do fall out of the sky! especially if they drop a wing close to the ground.
does this mean i cant even achieve stall if i have to little power/ thrust
As an Indian, we think when the plane shouts stall, its going to the marketplace and well be able to buy something😂😂😅😅
Tea stall 😂
This video is the cure for insomnia
I have a question
Does the g force play a role in stalling
Yes it does. If you are doing a high g manoeuvre you will stall at a lower speed
The reason for a stall is the angle of attack being too big and the air can’t stick to the top of the airfoil.
“Lefft fekteh”
LOL
cope
The plane looks in aerodynamic
If the AoA is increasing, then why is the air movement direction not also changing? I'd expect the air vector to also shift based on AIRPLANE MOVEMENT VECTOR, and not be always parallel to the ground. Why would we assume airplane motion is parallel to the ground if it would be slowly increasing the AoA towards sky, which should make it gain altitute?
The air movement direction (relative wind) changes depending on the angle at which the airplane climbs or descends, but in this video it looks like it's always parallel to the ground because they compared the relative wind angle to the AoA without showing the climb angle of the airplane. (555-333)
This would happen if you were slowing as you increased AoA.
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The lift force shown should always be perpendicular to the aircraft
According to the FAA Pilot's Handbook of Aeronautical Knowledge, Lift is "a force that is produced by the dynamic effect of the air acting on the airfoil, and acts perpendicular to the flight path through the center of lift and perpendicular to the later axis." So the lift force is perpendicular to the aircraft only when the aircraft is parallel to the airflow. This is the case most of the time, but not at angles of attack much higher (or lower) than the angle of attack for cruise, assuming the aircraft is optimized for low drag at cruise.
Thanks
Welcome
Hello Pilots,
Do I understand it right that,
Stall will happen when you have a large angle of attack at relative low speed?
But if, with the Same Angle of Attack, the speed is much higher, then stall won't happen. Right?
And the plane will climb up of course. Right?
If not right, Then how come that fighter jets and other acrobatic planes can climb straight vertically?
I suppose this is because of their high speed, which provides enough lift, no matter in what direction or angle they move.
So why can't normal plans in a critical angle of attack give full thrust to gain more lift?
The air is the same everywhere in the sky. Why behaves the air different if we want to fly in an angle which is not parallel to the horizon?
A stall can occur at any speed. It generally happens when the AoA is such that the airflow over the wing stops being smooth and is disrupted which means reduces lift.
I can stall a plane by pulling hard on the yoke at top speed
@@StevePBa
In other words, it's impossible to climb with a steep angle for a normal civil plane.
Right?
Sohail Nawaz no, you can climb steeply. AoA is relative to the airflow. To high and AoA at any speed and the airflow disrupts and there’s no lift
There has to be a certain amount of airflow over the wing. If the airflow is too slow you’ll also lose lift.
I can do a loop in a plane... but if I pull back too hard, regardless of speed, I can stall as the AoA exceeds the wings ability
@@StevePBa
OK.
So, if there is enough speed and gradually increasing steep angle of climb, then plane won't stall, but will climb.
It stalls when steep climb is too sudden with a low speed.
Right?
Sohail Nawaz in short, as long as you don’t exceed an AoA attack and the airflow keeps attached to the wing with sufficient speed to produce lift, it won’t stall
I accidentally stalled in microsoft flight sim and instantly entered spin!
😎
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Pierre cedric bonin needs to reed this
Ik what stall is already
Nazeer Zafari why you watch
Airfrance 447
Quadcopter simulator simulated stall a few times ???
Let me guess, the drag at the stall angle of attack is larger than the power plant's maximum output force, so the craft slows down and down until falling to the ground.
In GTA sa there is no stall
Why there is no AOA in airbus 320 NEO, if Boeing 737 MAX has a lift problem, then why are the engineers paid for? How can Boeing 737 MAX be the best single ailes plane made today? if they cannot solve AOA , then it is better to stop manufacturing these killer planes?
What? Makes no sense what you write here.
You cannot "solve AOA". Every fixed wing aircraft has a critical AOA at which the plane WILL stall. AOA is the angle between the wing, and the relative wind moving past it. Boeing nor Airbus can simply "solve" this property of flight
DO NOT MOT 9-30-19
Another pointless explanation.
Maybe you're too uneducated to properly grasp it.
@@bigbirdmusic8199 your reply deserves my original comment: another pointless explanation, get it, understand now or ARE YOU too simple to grasp the content of my reply.
@@davidmurray6389 Too uneducated. Confirmed.
Thank you, I'm glad you agree.