how does an aeroplane function without falling?

Answer 1

Airflow over the lifting surfaces creates pressure differences between top and bottom sides, which gives you the lifting force. You have to shove the lifting surfaces through the air in order for them to generate the lift, though, hence why true aeroplanes must have engines to push them along. If you don't have an engine then you are a glider, and barring thermal upcurrents you will be perpetually falling. Until...

I think passenger jets can glide at about a 1:20 downward slope with no engine power.

Answer 2

Dont hesitate to give the best answer to ehc11 who has the qualifications besides knowing about Bernoullis Theorem which gives the ralation between flow or air and velocity and pressure :- The higher the velocity of a flow of air the lower is the pressure which translates into what is called thrust in an aircraft because the wing is designed to have a humped upper surface and a flat lower surface and when the thrust is exerted by the propellers to propell the plain forward - the distance travelled by the air on the upper part of the wing is much more than on the lower surface of the wing and so a low pressure is created on the upper surface and a high pressure is exerted on the lower surface and the Aircraft experiences an upward thrust which is commonly known as "Lift"

Answer 3

The key to a plane not falling is in the shape and angle of the wings. While flying "straight and level," the wing is not parallel to the ground. It is angled so that the front is slightly higher than the back. When the air is rushing past it, this slight angle causes the air to push upward on the wing giving lift.

This fact is fundamentally important as the throttle is used to adjust the vertical change, while the stick is used to increase or decrease speed during straight and level flight which is different than an automobile. Preventing a stall is acheived by pushing the stick forward, thereby lowering the wing's angle (pitch) and therefore increasing the plane's speed.

When landing, flaps are lowered which adds more angle to the wings causing less speed to be needed to give the upward push allowing the plane to touch the ground at a relatively lower speed.

Answer 4

The engines pull the aircraft through the air giving an airflow. The wings are a special shape called an aerofoil which make the air on top of the wing low pressure and under the wing high pressure (this is explained by Bernoullis Principle). This pressure difference is what provides the upwards force known as lift. Try this link

http://www.aircadets.org/pdf/acp33vol2.pdf

to the Principles of Flight text for the Air Training Corps.

Answer 5

Plane flight is a function of lift and drag, of which an airfoil wing design and speed are essential. Engine is needed to propel the plane to a speed where the lift overcome its drag and weight and thus able to lift off the ground. If the speed falls below this lift off speed, the plane will fall back on the ground.

So the engine needs to propel the plane above this so-called stall speed all the time for the craft to stay in the air.

Answer 6

The shape of an airplanes wings cause an area of low pressure on the top side of the wing which in turn causes the lift for the airplane to be able to fly.

Answer 7

If you have ever wondered what allows a 747 -- or any airplane for that matter -- to fly, then read on. In this article, we will walk through the theory of flight and talk about the different parts of a standard airplane, and then you can explore tons of links to learn even more.

Answer 8

The shape of the wings gives lower pressure on the top creating lift

Answer 9

think about it lyk dis, d bird and d aeroplane have the same shape. Have u ever imagined why d bird wont fall when it's high up der?visit www.howstuffworks.com.

Answer 10

by attiaing lift through pushing the air below it faster than the air above the wing.