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Related to stalling angle: optimum angle of attack
stalling angle[′stȯl·iŋ ‚aŋ·gəl]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The angle of attack at which the flow of air over the wing begins to separate from the wing surface, resulting in a significant reduction in the lift and an increase in the drag. The lift coefficient of an airfoil is maximum at this angle and begins to decrease rapidly at angles beyond it. A stalling angle is fixed for an airfoil, whereas the speed at which it will stall is not. Also called the critical angle of attack* See stall.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved