Although a model is much smaller than a real full-size aircraft, it flies in exactly the same way. The control surfaces on the wings and the tail of a model plane or real aircraft work by changing the way in which air flows over the aircraft. Working together, the rudder and movable flaps called ailerons on the rear edge of each wing make the plane turn to the left or right. Moving flaps called elevators on the tail make the nose of the plane go up or down.
The scientific rules of flying are the same for any aircraft, from an airliner weighing 350 tons to this model made from paper, tape, and a drinking straw. Making this model plane allows you to see how control surfaces, such as the aileron, rudder and elevators, work. The flight of any plane is very sensitive to the angle of the controls. They need to be only a slight angle from their flat position to make the plane turn. Too big an angle will make the model unstable.
Pencil, set square, ruler, paper, scissors, glue stick, tape, drinking straw, paper clips or nonhardening modeling material.
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