lag angle
lag angle
[′lag ‚aŋ·gəl] (physics)
The negative of phase difference between a sinusoidally varying quantity and a reference quantity which varies sinusoidally at the same frequency, when this phase difference is negative. Also known as angle of lag; lag.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
lag angle
The angle by which a rotor blade is displaced about its drag hinge. The angle is measured between the blade-span axis and a radial line taken across the rotor disc containing the drag hinge and the axis of rotation.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive
This leads to decrease in deflection and to the change of its position relative to [D.sub.0] (
lag angle increase).
A very important fact about magnetos is that different engines and different magnetos quite often have different degrees of
lag angle and advance on the impulse.
For full tool control in 5-axis mode, CAM systems should provide shops with the ability to set the tool's tilt angle by specifying lead and
lag angles. This strategy cuts down on refixturing because either the tool or part is rotating while the part is being cut.
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