variable-incidence tailplane

variable-incidence tailplane

variable-incidence tailplane
The tailplane or the horizontal stabilizer, used either by itself or in addition to a trimming tab, in which the incidence can be varied to balance out-of-trim forces. This arrangement is more effective than trim tabs at high Mach numbers. Its method of operation is usually electrical. Also known as a VI tail.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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