Apparatus for twisting a wing to increase lift on aircraft and other vehicles
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United States of America Patent
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Sep 11, 2012
Issued Date -
N/A
app pub date -
Jan 10, 2011
filing date -
Dec 14, 2006
priority date (Note) -
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Abstract
A method and apparatus for varying the twist of a wing such that induced drag is minimized or reduced during cruise and lift is maximized or increased at least during takeoff and landings. In addition, variations in the twist may produce yawing and rolling moments. The twist amount is varied pursuant to the operating conditions, including those parameters used to determine the lift coefficient. The twist for reducing induced drag and/or improving lift may be employed by geometric or aerodynamic twist, including full span control surfaces used to provide roll control, high-lift and reduced induced drag. The twist may also be employed by twisting just a portion of the wing or the entire wing, either geometrically or aerodynamically.
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