LYCOS RETRIEVER 
Airplane: Wings
built 850 days ago
Lift comes when the air below the airplane wing is pushing up harder than the air above it is pushing down. It is this difference in pressure that enables the plane to fly. Pressure can be reduced on a wing's surface by making the air move over it more quickly. The wings of a plane are curved so that the air moves more quickly over the top of the wing, resulting in an upward push, or lift, on the wing.
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The RV-9 / 9A from Van's Aircraft is a full size airplane available in kit form that you can build at home. It is an all metal low wing monoplane with side by side seating for two. MACD is the ideal program to use for designing a paint scheme for this very popular airplane. For more information and to download a free trial, please click here .
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Most airplane wings have moving parts that help balance the plane. The ailerons are hinged pieces on the back of the wing. They make the plane bank, or tilt, and turn. Many planes ... have flaps that help the plane lift up for takeoff and slow down for landing.
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Hill ... announced that the program is considering the development of a convertible cargo airplane based on the commercial Next-Generation 737-700C (Convertible). The airplane allows operators to alternate between passenger and cargo layouts. The 737-700C already includes the BBJ-inspired configuration of the 737-700 fuselage and the strengthened landing gear and wings of the 737-800.
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Lift is produced by a lower pressure created on the upper surface of an airplane's wing compared to the pressure on the wing's lower surface, causing the wing to be "lifted" upward. The special shape of the airplane wing (airfoil) is designed so that air flowing over it will have to travel a greater distance faster, resulting in a lower pressure area (see illustration) ... lifting the wing upward. Lift is that force which opposes the force of gravity (or weight).
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