drag wire[′drag ‚wīr]
A part of the truss in an airplane wing and also in the wing support; used to sustain the backward reaction due to the wing's drag.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Criss-crossed tension wires between the spars to form a truss to resist forces acting on the wing in the direction of the wing chord. The wire designed to resist the backward forces is called a drag wire; the anti-drag wire resists the forward forces in the chord direction.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved