Word: liftings
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...LIFT...
WINGS Other inventors had discovered that curved wings reduce air pressure above and increase it below, resulting in an upward push, or lift. While most used a perfect-arc design, the Wrights put the high point of the arc nearer the leading edge. They believed this would increase the Flyer's stability by keeping the wings balanced over the center of pressure, where lift is focused, as the plane moved up and down during flight...
PROPELLERS Unlike their predecessors who copied boat propellers, the Wrights realized that a propeller works like a rotating wing. The same forces that create lift could generate thrust. The Wright Flyer had two propellers, which moved in opposite directions...
...shifting his hips to one side, the pilot pulls the opposite wing tip down, while the other automatically twists up. The side with the trailing edge down experiences more lift...
...increased lift causes the Flyer to bank into a turn. The rudder keeps the turn under control...