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Why does the pilot adjust the shape of the wings for takeoff and landing?
Wiki User
∙ 8y ago
During takeoff, the leading and trail edges of the wings (flaps and slats) are lowered usually between 3-15 degrees, Although this causes drag it is still done as it helps the wing create more lift when it is needed most, aswell as aiding the wings to get the aircraft off the ground, It also speeds up the rate of climb and keeps the aircraft a bit more stable while its flying at a slow speed.
If your flying in a 737 (for examples sake)
At 500ft the flaps will be raised a stage (usually from 5 degrees to 2 )
At 1500 they will be taken back another stage ( to 1 degrees)
They are usually kept at one degrees until about 5000ft just to give the aircraft a small lift boost during its climb.
after the aircraft is at around 250 knots (the airspeed limit under 10,000ft) , the flaps will be totally raised so the aircraft is as aerodynamic as it can be and so it can continue its climb at a more gradual and shallow rate.
Wiki User
∙ 12y ago
Wiki User
∙ 8y agoIncreasing and decreasing lift generated by how air moves over and under the wings
Wiki User
∙ 12y agoThe pilots don't adjust the wings, the wings flex on their own when the aircraft is pushed down or pulled up
Wiki User
∙ 8y agoThe pilot adjusts the shape of the wings for takeoff and landing because it produces more lift. This requires less runway length, and less speed for landings.
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Why do planes have flaps on the wings?
Airplane wings are designed to be most efficient when at high altitudes, traveling fast, while providing as little drag as possible. Unfortunately this design inst the best for takeoff and landing. Flaps are used to change the shape of the wing to accommodate takeoff and landing requirements. Most planes have flaps on the front of the wings (leading edge flaps) and at the back of the wings. During takeoff flaps increase lift so a plane can take off with limited runway length and lower speeds. As the plane gains speed the flaps are retracted. On approach and landing you want to fly as slow as possible so the flaps are deployed in increments till landing speed is achieved. Landing slower means less runway needed to stop.
Do pilots change the shape of the wing during takeoff and landing to move more air over the top of the wings or to even out the flow of air on both sides of the wings?
Movable wings are there in war planes to reduce the landing/take off run of the aircraft. in certain aircraft boundary layer control system is used.
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