Correct; why would adjacent air molecules at the front of the wing actually meet at the trailing edge? They would not. Newtons 3rd Law states that for every action there is an opposite and equal reaction. That is, the air is directed down by the wing and the aeroplane is directed upwards.
Mind boggling engineering just did a 14hr flight on an airbus and I all I could think was thing big ass thing should not be this high up flying in the sky truly amazing
The video explanation of lift was great and started off by clearing up a misconception. The explanation of the airflow and the pressure created was very nice. The example of the hand sticking out of the car made it very interesting to learn.
I got one (or a couple) for you all. Please help me! The earth spins at a 1000 mph only at the equator because there the circumference is 24000 miles(:24hr). The circumference gets less and less untill it's basically 0 at either pole. A helicopter hovering at the equator would make a 24000 mile loop in a day while it would not make any kind of movement while hovering above the pole except off course the motions of flying around the sun and simultaneously around a black hole at speeds i cannot imagine. Just ignore these last 2 motions for convenience since they are constant and we don't notice them anyway. U could say it would have to automatically make a pirouette above the pole though because if it doesn't automatically align to the earth the world would actually spin beneath the helicopter :P And yes I understand that flying an actual helicopter requires constant manual adjustment. This thought experiment exists on a world without wind with a perfectly balanced state of the art helicopter with unlimited fuel. Say this helicopter were to fly from the equator straight over the pole to the other side of the planet . At take off it is going 1000 mph sideways along with the planet. Then this speed would have to decrease untill 0 mph because the circumference gets smaller as it flies toward the pole. After flying over the pole the speed would increase again but.. not only that! The direction at which it goes along with the earth actually changes to the opposite after flying over the pole. The helicopter went from a sideways 1000 mph loop toward a 0 mph pirouette and then changed "sideways" direction after crossing over the pole to then accelerate to 1000 mph again untill it's destination on the other side of the planet. Besides this it went from a 90 degree angle to 0 and back again. For the helicopter "down" is always the center of the earth and regardless of it's own speed, direction and location the earth always seems stationary. Seen from space however it has to make all these movements to stay aligned with the earth. Objects in motion stay in motion unless acted upon by an outside force. This makes sense to me. What I don't understand is how the speed relative to the earth gets automatically adjusted. According to Newton's law there has to be some force acting upon the helicopter so it can stay alligned with the earth. If there were no force acting on the helicopter it would keep going sideways at a 1000mph and after just a couple miles toward the pole the allignment would be broken and the helicopter would literally start moving sideways(relative to the earth) as well as forward. I know air friction is not the answer because that would be deadly. Gravity also doesn't answer my question. So in short: -How does the speed at which flying machines move along with the earth get automatically adjusted in relation to their position along the meridian? -How is it possible that we don't feel the change in speed? -How can a helicopter hover above the pole without seeing the earth beneath it spin? What makes it allign with the earth so the earth seems motionless? If you've made it this far I thank you for reading. I would love some respectfull answers to these questions burning on my mind. I have believed the earth is spherical all my life but I can't wrap my head around this! In fact I never even thought about it until I heard a believer of the flat earth mention it. To those who don't understand what I'm asking here I say : If someone decides to smack u with the end of a broomstick. Would you rather he made the same movement with a stick of 10 cm(0.33 feet) or 100 cm(3.33 feet)? The earth is a sphere. It spins around its axis. From the axis to the outside of the sphere is the "radius". The radius is longest in the middle of the sphere. From the middle to the top and bottom(poles) the radius gets smaller and smaller. If u measure the sphere in the middle u get the length of the equator. If u measure it at any point at a 90 degree angle to the axis u get the circumference. The radius and circumference are directly related to each other. Because the earth revolves around it's axis once every 24 hours the time is set however the radius and circumference are variables. The longer the circumference the more distance is travelled in these 24 hours and so we get the 1000 mph at the equator of 24000 miles. The closer you get to the poles the smaller the circumference which means that the speed at which u move along with the earth gets lower and lower untill u are at 0mph at the pole.
Your question is damn big, but the answer is damn small. It's just Inertia Imagine you're standing in a moving bus, say it is moving in 40 mph, let a ball to fall from a height and it doesn't move backward in 40 mph. It is the same thing happening in your question. You, me, the people of the world and all the objects on Earth are always standing on this spinning planet and we are always moving at a speed of 1000 mph! And that is what making that helicopter to be aligned with the Earth
You’ve identified a real effect. If you move in the atmosphere from the equator to the pole, you do feel a force acting on you! The earth is very big, so it is quite small for people walking on the surface of the earth, easily overcome by a variety of other forces. But for large systems of fluid like hurricanes, this force is quite large, which results in an otherwise non-rotating flow to start rotating. From the reference frame of the Earth’s surface, they experience a Coriolis force. If you flew a plane directly from the equator to the pole, you would need to account for the change in air speed, although it would be quite slight compared to the adjustments you need to make as you fly for a variety of other factors.
great video. The engine is not the only reason that the plane flies. Newtons laws explain a lot about lift other then just pressure diffrerence. fluid will have to act in the opposite and equal magnitude
To me it seems simple from the hand experiment - if you have something with a large surface area for the air to hit then the net effect is a pushback force which pushes it up . Air at speed or wind moving exerts pressure force on the wing which pushes it Seems obvious - throw a flat stone across water at a low angle so that the majority of the stone is in contact with the water and the stone will bounce up .
This was a great explanation of lift! Your explanation of lift that states that air flowing over the top of the wing needs to meet the air at the bottom of the wing was good, but not very thorough. Additionally, you implied causation between velocity and pressure, which is incorrect, as these two factors effect one another simultaneously. However, I enjoyed the fact that you mentioned the impact of shape on lift, though I feel as though you failed to give good reasoning as to why this is. The faact that you mentioned putting your hand out of a window and making different shapes was a very good comparison though and brought me back to my childhood. Thanks for the great video and keep it up!
I thought disproving the common misconception that air has to meet up at the trailing edge was a great choice! Emphasizing the impact of airfoil shape was awesome too, it's one of the main ways to increase lift alongside attack angle. I wish you expanded on what causes the difference in pressure and how it causes lift a bit more though. Explaining it in terms of forces and mentioning how the air pressure is the reaction force to the deflection of air you talked about is what helped make the idea click for me. Great video overall!
Thanks for the time you spent to create this video but the 2:54 part where he explains the pressure variations around the airfoil is terribly faulty. The air molecules on top do not "have to catch up with" those in the bottom. In fact, we have done experiments demonstrating that it doesn't happen. Explaining lift requires applying all three laws of Newton, conservation laws as well as Bernoulli's principle. It's never as simple as this.
When an aerofoil starts from rest, the flow apparently needs to double back round the trailing edge of the aerofoil. Actually it breaks away at the trailing edge and a starting vortex is dumped on the runway. By the conservation of vorticity, there must be vorticity of opposite rotation around the aerofoil itself, and this generates lift by the Magnus effect. When the aeroplane comes in to land, a stopping vortex is shed. Both the starting and stopping vortices can be made visible.
That is not correct, because Magnus is due to boundary layer effects on a *rotating body.* The flow is altered by that rotation to have more air accelerated around the body on one side compared to the other side. Where more air is curved for a longer distance, the pressure is lowered more. A wing does not rotate. .. .. .. The top and bottom surface pressures differ with more pressure under the wing pushing up on the lower surface that is more than the pressure above is pushing down on the upper surface. The difference in pressure over the wing area is the lift force. The pressures are caused by the way the wing must push air around since they can't occupy the same space. Detail linked below. These pressures are routinely measured by student and engineers. . The starting vortex is a *result* of the pressures as the wing starts moving and pushing air around and is left far behind while the lift generating pressures are formed steady-state during all of flight. Those vortices are far from the plane when flying and can have no effect on the wing pressures. . The concept of circulation (about a wing) is a mathematical way of analyzing this for easier calculations by separating the total flow into two more easily calculated components, but does not mean that there is a flow circulating around a wing as it flies. See: *Understanding Lift Correctly:* *rxesywwbdscllwpn.quora.com/*
@@Observ45er Both the wing and the rotating cylinder are fixed configurations of vorticity for which fluid mechanics is a linear subject and we can use the principle of superposition. We can go from the cylinder to the aerofoil by a series of transformations. "Magnus effect" is a valid short form for Kutta-Joukowski circulation theorem.
@@david_porthouse Yes, the superposition concept does allow simpler analysis. However, that still isn't giving cause and effect for the pressures around the airfoil using fundamentals. A moving wing produces pressure differences which can be explained with fundamentals. Here's one part: ruclips.net/video/3MSqbnbKDmM/видео.html
I do find this to be interesting I v e wondered how something so big can stay a flight I also wonder how boats stay afloat on water Another thing With modern technology maybe someday a man will be able to fly That would be cool
Sorry to say but planes dont fly because of the Venturi effect. The upper and lower Flow don't "meet" at the same time at the end of the trailing edge.
Thank you for stating that passenger planes have jet engines. Most people think that the fan of a jet engine is really just a propeller and that only fighter jets have true jet engines, not knowing that fighter jet engines have fans too. They actually have multiple fans instead of just one like their more powerful passenger jet engine counterparts!
The authors have two wrong scientific approaches: researching the creation of Lift force and Low pressure at upper side of the wing, relative to the ground surface and Earth. I explain the aerodynamic cavitation and existence of Lee side aerocavern, and creation of Aerodynamic force.
You are confused because it’s an inaccurate explanation. Study Bernoulli,and Newton. High velocity on the upper surface causes low pressure and action reaction plus F=MA causes high pressure on the bottom surface. Modulate pitch and power for climb, cruise, and descent. Also consider Venturi Effect, Kutta Condition, Navir Stokes equation and Coanda Effect for why airflow is thought to accelerate on the upper surface. That is subject to debate.
Amazing 😍 I want to study engineering under innovation,all my dreams is to become a pilot,but I don't have the opportunity to study the cause of my dream because my parents can't afford the amount of money to study abroad.Please I'm kindly asking for a scholarships to help me please 🙏🙏🙏🙏
I'VE BEEN LIVING MY LIFE WITH AN AMBITION OF BECOMING A PILOT SOMEDAY, BUT HOW COULD I? IF I HAVEN'T ACCIDENTALLY WATCHED THIS VIDEO I STILL WOULDN'T KNOW WHAT MADE AIRCRAFTS POSSIBLE TO FLY. THAT'S ONE OF THE BASIC KNOWLEDGE I MUST KNOW ANYWAY. MY QUESTION HAS BEEN ANSWERED🙏 THANK YOU
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after watching this video my only question is, How do airplanes fly?🤔
@Andrew Smart COOL
Diago Harry🤣🤣🤣 but they just explained it
@@adjustedminds8410 🙉how do they fly?🤔
you can't find that here. This is nonsense.
How do you know its not true
Mom: son, why do you want to become pilot ?
Son : to overcome my biggest fear
Mom: heigts?
Son : D-Y-I-N-G A-L-O-N-E.
Parachute : gonna pretend that I does not exist
@@secretunknown2782 they don’t have those on planes lol
@@toyotatrd they do. They have an emergency room near the cockpit.
@@yk_ifdhall ??
@@yk_ifdhall they dony
Amazing innovation! The engine architecture must be really impressive 😀
The engineering and mechanics is more impressive tho
তময়চচথদথূণ
NASA has specifically stated this theory is incorrect. You Need to look closer at Newton’s 3rd Law and Coanda Effect!!!
Correct; why would adjacent air molecules at the front of the wing actually meet at the trailing edge? They would not. Newtons 3rd Law states that for every action there is an opposite and equal reaction. That is, the air is directed down by the wing and the aeroplane is directed upwards.
Attempting to make a mini plane using two ice cream stick and some paper without using any tutorial. This a clear explanation, thank you
Mind boggling engineering just did a 14hr flight on an airbus and I all I could think was thing big ass thing should not be this high up flying in the sky truly amazing
The video explanation of lift was great and started off by clearing up a misconception. The explanation of the airflow and the pressure created was very nice. The example of the hand sticking out of the car made it very interesting to learn.
But???
Someone needs to show this video to Arthur Weasley, whose dearest ambition is to understand how airplanes stay up.
Wright Brothers deserve atleast 100 noble prizes.
I found this by mistake now i am addicted
After watching many videos on airfoils, jet engines and flight this video did make high level sense. Now if only I could find out why ships don’t sink
I got one (or a couple) for you all. Please help me!
The earth spins at a 1000 mph only at the equator because there the circumference is 24000 miles(:24hr). The circumference gets less and less untill it's basically 0 at either pole. A helicopter hovering at the equator would make a 24000 mile loop in a day while it would not make any kind of movement while hovering above the pole except off course the motions of flying around the sun and simultaneously around a black hole at speeds i cannot imagine. Just ignore these last 2 motions for convenience since they are constant and we don't notice them anyway.
U could say it would have to automatically make a pirouette above the pole though because if it doesn't automatically align to the earth the world would actually spin beneath the helicopter :P And yes I understand that flying an actual helicopter requires constant manual adjustment. This thought experiment exists on a world without wind with a perfectly balanced state of the art helicopter with unlimited fuel.
Say this helicopter were to fly from the equator straight over the pole to the other side of the planet . At take off it is going 1000 mph sideways along with the planet. Then this speed would have to decrease untill 0 mph because the circumference gets smaller as it flies toward the pole. After flying over the pole the speed would increase again but.. not only that! The direction at which it goes along with the earth actually changes to the opposite after flying over the pole.
The helicopter went from a sideways 1000 mph loop toward a 0 mph pirouette and then changed "sideways" direction after crossing over the pole to then accelerate to 1000 mph again untill it's destination on the other side of the planet. Besides this it went from a 90 degree angle to 0 and back again. For the helicopter "down" is always the center of the earth and regardless of it's own speed, direction and location the earth always seems stationary. Seen from space however it has to make all these movements to stay aligned with the earth.
Objects in motion stay in motion unless acted upon by an outside force. This makes sense to me. What I don't understand is how
the speed relative to the earth gets automatically adjusted. According to Newton's law there has to be some force acting upon the helicopter so it can stay alligned with the earth. If there were no force acting on the helicopter it would keep going sideways at a 1000mph and after just a couple miles toward the pole the allignment would be broken and the helicopter would literally start moving sideways(relative to the earth) as well as forward. I know air friction is not the answer because that would be deadly. Gravity also doesn't answer my question.
So in short:
-How does the speed at which flying machines move along with the earth get automatically adjusted in relation to their position along the meridian?
-How is it possible that we don't feel the change in speed?
-How can a helicopter hover above the pole without seeing the earth beneath it spin? What makes it allign with the earth so the earth seems motionless?
If you've made it this far I thank you for reading. I would love some respectfull answers to these questions burning on my mind. I have believed the earth is spherical all my life but I can't wrap my head around this! In fact I never even thought about it until I heard a believer of the flat earth mention it.
To those who don't understand what I'm asking here I say :
If someone decides to smack u with the end of a broomstick. Would you rather he made the same movement with a stick of 10 cm(0.33 feet) or 100 cm(3.33 feet)?
The earth is a sphere. It spins around its axis. From the axis to the outside of the sphere is the "radius". The radius is longest in the middle of the sphere. From the middle to the top and bottom(poles) the radius gets smaller and smaller. If u measure the sphere in the middle u get the length of the equator. If u measure it at any point at a 90 degree angle to the axis u get the circumference. The radius and circumference are directly related to each other. Because the earth revolves around it's axis once every 24 hours the time is set however the radius and circumference are variables. The longer the circumference the more distance is travelled in these 24 hours and so we get the 1000 mph at the equator of 24000 miles. The closer you get to the poles the smaller the circumference which means that the speed at which u move along with the earth gets lower and lower untill u are at 0mph at the pole.
Your question is damn big, but the answer is damn small.
It's just Inertia
Imagine you're standing in a moving bus, say it is moving in 40 mph, let a ball to fall from a height and it doesn't move backward in 40 mph. It is the same thing happening in your question.
You, me, the people of the world and all the objects on Earth are always standing on this spinning planet and we are always moving at a speed of 1000 mph! And that is what making that helicopter to be aligned with the Earth
Also the air, air is not exactly standstill, it moves through the earth because of inertia from the earth itself.
Daddy chill
You’ve identified a real effect. If you move in the atmosphere from the equator to the pole, you do feel a force acting on you! The earth is very big, so it is quite small for people walking on the surface of the earth, easily overcome by a variety of other forces. But for large systems of fluid like hurricanes, this force is quite large, which results in an otherwise non-rotating flow to start rotating. From the reference frame of the Earth’s surface, they experience a Coriolis force. If you flew a plane directly from the equator to the pole, you would need to account for the change in air speed, although it would be quite slight compared to the adjustments you need to make as you fly for a variety of other factors.
He forgot to mention Bernoulis theorem. Take off & descent are based on it. The wings of an aircraft are designed accordingly
What I know is you humans who build great things for us all are special.
3:09 the landing gear lol
great video. The engine is not the only reason that the plane flies. Newtons laws explain a lot about lift other then just pressure diffrerence. fluid will have to act in the opposite and equal magnitude
I learned something new today, thank you! Great explanation .
What did you learn really? 🤔
To me it seems simple from the hand experiment - if you have something with a large surface area for the air to hit then the net effect is a pushback force which pushes it up . Air at speed or wind moving exerts pressure force on the wing which pushes it Seems obvious - throw a flat stone across water at a low angle so that the majority of the stone is in contact with the water and the stone will bounce up .
্ ননাাাচচাবআ্্ঝখ
This was a great explanation of lift! Your explanation of lift that states that air flowing over the top of the wing needs to meet the air at the bottom of the wing was good, but not very thorough. Additionally, you implied causation between velocity and pressure, which is incorrect, as these two factors effect one another simultaneously. However, I enjoyed the fact that you mentioned the impact of shape on lift, though I feel as though you failed to give good reasoning as to why this is. The faact that you mentioned putting your hand out of a window and making different shapes was a very good comparison though and brought me back to my childhood. Thanks for the great video and keep it up!
It's always fascinating for me
This was explained so well!
No
No
No
This is so exiting
I thought disproving the common misconception that air has to meet up at the trailing edge was a great choice! Emphasizing the impact of airfoil shape was awesome too, it's one of the main ways to increase lift alongside attack angle.
I wish you expanded on what causes the difference in pressure and how it causes lift a bit more though. Explaining it in terms of forces and mentioning how the air pressure is the reaction force to the deflection of air you talked about is what helped make the idea click for me. Great video overall!
I was gonna say sticking your arm out the window but he beat me to it
They flap thier wings so fast they actually look like the wings are stationary......kinda like humming bird wings but on a grander scale.
HOW DO AIRPLANES FLY?
**THEY FLAP THEIR WINGS, LIKE BIRDS, YOU TWERPS!!**
Airplane too cute! ❤
Thanks for the time you spent to create this video but the 2:54 part where he explains the pressure variations around the airfoil is terribly faulty. The air molecules on top do not "have to catch up with" those in the bottom. In fact, we have done experiments demonstrating that it doesn't happen.
Explaining lift requires applying all three laws of Newton, conservation laws as well as Bernoulli's principle. It's never as simple as this.
I just love learning new things! Makes this boring world very exciting.
Someone please send this video to Arthur Weasley!
When an aerofoil starts from rest, the flow apparently needs to double back round the trailing edge of the aerofoil. Actually it breaks away at the trailing edge and a starting vortex is dumped on the runway. By the conservation of vorticity, there must be vorticity of opposite rotation around the aerofoil itself, and this generates lift by the Magnus effect.
When the aeroplane comes in to land, a stopping vortex is shed. Both the starting and stopping vortices can be made visible.
That is not correct, because Magnus is due to boundary layer effects on a *rotating body.* The flow is altered by that rotation to have more air accelerated around the body on one side compared to the other side. Where more air is curved for a longer distance, the pressure is lowered more.
A wing does not rotate.
.. .. ..
The top and bottom surface pressures differ with more pressure under the wing pushing up on the lower surface that is more than the pressure above is pushing down on the upper surface. The difference in pressure over the wing area is the lift force.
The pressures are caused by the way the wing must push air around since they can't occupy the same space. Detail linked below.
These pressures are routinely measured by student and engineers.
.
The starting vortex is a *result* of the pressures as the wing starts moving and pushing air around and is left far behind while the lift generating pressures are formed steady-state during all of flight.
Those vortices are far from the plane when flying and can have no effect on the wing pressures.
.
The concept of circulation (about a wing) is a mathematical way of analyzing this for easier calculations by separating the total flow into two more easily calculated components, but does not mean that there is a flow circulating around a wing as it flies.
See: *Understanding Lift Correctly:*
*rxesywwbdscllwpn.quora.com/*
@@Observ45er Both the wing and the rotating cylinder are fixed configurations of vorticity for which fluid mechanics is a linear subject and we can use the principle of superposition. We can go from the cylinder to the aerofoil by a series of transformations. "Magnus effect" is a valid short form for Kutta-Joukowski circulation theorem.
@@david_porthouse Yes, the superposition concept does allow simpler analysis. However, that still isn't giving cause and effect for the pressures around the airfoil using fundamentals.
A moving wing produces pressure differences which can be explained with fundamentals.
Here's one part: ruclips.net/video/3MSqbnbKDmM/видео.html
@@Observ45er There is no lift for a hydrofoil moving slowly through liquid helium. How do you explain that?
@@david_porthouse Get back to us when you have tickets for that boat.
They fly through their design
and power.I am an Engineer.
I do find this to be interesting I v e wondered how something so big can stay a flight I also wonder how boats stay afloat on water Another thing With modern technology maybe someday a man will be able to fly That would be cool
I was trying to understand and then i decide to just be a passenger 😂
awesome engineering!
U r a god for me
Sorry to say but planes dont fly because of the Venturi effect. The upper and lower Flow don't "meet" at the same time at the end of the trailing edge.
Thank you for stating that passenger planes have jet engines. Most people think that the fan of a jet engine is really just a propeller and that only fighter jets have true jet engines, not knowing that fighter jet engines have fans too. They actually have multiple fans instead of just one like their more powerful passenger jet engine counterparts!
I couldn't sleep thinking about it came here to check 😹 now i can sleep
bro thanks so much u helped me with my essay HW
really aprreciate the hard work
🤩 WoW
Now I feel I can make my own aircraft!
😂 IM LOOKING FORWARD
Possible
Good video.
They use engines, without them it's not possible to fly.
Im very affriad when the wings shakes very fasts while flying. 😂
What a amazing concept 😎
Whats thrust and lift in aeroplane flying
GOOD
0:00 nice a350
plane crazy players : my knowledge is far from your understanding
Why you don't said about first jet, built in 1910 by romanian Henri Coandă???
How do planes fly? With jet engines and wings. Something Jet Man loves...but cockpits, not so much.
Is it odd that this channel has a few thousand views on most videos while having 108 000 subscribers?
Very odd.
Amazing
The authors have two wrong scientific approaches: researching the creation of Lift force and Low pressure at upper side of the wing, relative to the ground surface and Earth. I explain the aerodynamic cavitation and existence of Lee side aerocavern, and creation of Aerodynamic force.
WoW!!! great video
The info on the minute 3:00 is wrong.
Great video, great explanation, but why so complex? Kids can't understand.
my teacher just gave this to us not knowing my uncle was a pilot-
lol i could match up most of these immediately
*OK BUT IT DOESN'T EXPLAIN WHAT MAKES THE AIRPLANE FLY IN THE SKY*
I THINK ITS BLACK MAGIC MALARKEY.
Raymond atkins in a ted ed video says you're wrong😭
Info on minute 3:33 is wrong too
Ok... Good
Conclusion : aeroplanes fly in air, sky
😄😄😄
Just a..ma..zing !!
Flight moving slovely?
Helicopter faster than
Passenger flight?
विमान यांत्रिकी आणि तरंगणारे विमान यांची संक्षिप्त माहिती
planes getting bigger and stylish.
but why nobody cared to invent better version of the blackbox?
That was probably the dumbest explanation of lift I've heard in about 30 years.
😂😂😂
Perfect for a dumb one like me.
I know that you explained how it works but I am still confused 😭😭
You are confused because it’s an inaccurate explanation. Study Bernoulli,and Newton. High velocity on the upper surface causes low pressure and action reaction plus F=MA causes high pressure on the bottom surface.
Modulate pitch and power for climb, cruise, and descent.
Also consider Venturi Effect, Kutta Condition, Navir Stokes equation and Coanda Effect for why airflow is thought to accelerate on the upper surface. That is subject to debate.
Sounds like Morgan Freeman voicing this.
The real matatan.🤔.
Maashallah
PRODUCE PRODUCT
THE GOOD BEST 1
I want to fly now
The intonation of what is being said is off and it's confusing to listen to
PRODUCE GOOD BEST 1
NO NEED TO DO ANYTHING NEXT BUY ORDER
Amazing 😍
I want to study engineering under innovation,all my dreams is to become a pilot,but I don't have the opportunity to study the cause of my dream because my parents can't afford the amount of money to study abroad.Please I'm kindly asking for a scholarships to help me please 🙏🙏🙏🙏
I am like you my sibling,,,but at once we will get help
There are
There are loans but at the same time who would want to pay??
2019 BOEING 747 408
ENGINE 1
Narrator spent too much time explaining how airplanes DO NOT produce lift. Plus, he didn't explain how airplanes turn.
Same
To discard Bernoulli's principle is rather juvenile
I'm here cos I might never be on one of these again
NO CHAIR ELECTRIC .
Only aerospace engineers knows how complicated aerodynamics is🙂
TOILET 4 LARGER BIGER WIDER SIZE THEN OLD TYPE SMALL
Greetings from 38000 feet over Dallas UwU
LARGE BIG NAME
PRODUCE 1
I heard nothing about how plane flies & stays up
your narrator having bowel constipation??? 🤣🤣🤣
8 BED
20 SEAT LARGE LONG RELAX
8 BED
20 SEAT LARGE LONG RELAX
air hard when objects moving fast. Plane cut air, plane go up when wing go up. 😂
???
I'VE BEEN LIVING MY LIFE WITH AN AMBITION OF BECOMING A PILOT SOMEDAY, BUT HOW COULD I? IF I HAVEN'T ACCIDENTALLY WATCHED THIS VIDEO I STILL WOULDN'T KNOW WHAT MADE AIRCRAFTS POSSIBLE TO FLY. THAT'S ONE OF THE BASIC KNOWLEDGE I MUST KNOW ANYWAY. MY QUESTION HAS BEEN ANSWERED🙏 THANK YOU
NO EVERYTHING
4 LARGER BED 1 AND 2 SEAT LARGE RELAX 4 LARGER BED
Bernoulli principal
NEXT TIME ORDER HAVE ALREADY NO NEED TO DO ANYTHING .
2019 U S A
UNITED AIRLINE
PAY
1 TIME . PRICE STANDARD
50 % INCOME AFTER THAT