Wing for slow flying
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The wing creates lift when air travels over its surface at high speeds. The plane must therefore be travelling fast in order for it to generate lift and stay in the air. Not always is it desirable for a plane to travel at high speeds, especially when it is preparing to land. | ||
Extendable flaps are deployed during landing. As seen from the wind tunnel photographs on the right, the top surface of the wing is increased and air speeds up over the wing even more. | ||
As the flap extends even further it creates turbulence and therefore drag behind the wing. This slows the plane down for landing. | ||
Continue the arrows as they flow around
each wing.
Which wing is appropriate for take-off and which is appropriate for landing? Explain. When a plane lands, flaps(spoilers) quickly come up from the wing and a huge roar can be heard from inside the plane. The plane slows down using its air brakes. Explain how the flaps slow the plane. Click to see a 120Kb video. |
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