Investigation of an automatic spin-prevention system for fighter airplanes /
by William P. Gilbert and Charles E. Libbey.

Description

Main Author

Gilbert, William P.

Related Names

Libbey, Charles E.
Langley Research Center.
United States. National Aeronautics and Space Administration.

Language(s)

English

Published

Washington, DC : National Aeronautics and Space Administration, 1972.

Subjects

Aircraft.
Flight.
Systems engineering.

Summary

An investigation was conducted to evaluate the effectiveness of an automatic spin-prevention system for current fighter airplanes as a first step in determining the feasibility of such a system. The concept makes use of the components of the conventional flight-control system with the addition of control logic to monitor angle of attack, yaw rate, and normal acceleration. Analytical techniques were used to study the system concept applied to three representative fighter configurations, and model flight tests were employed to evaluate a prototype system on a representative fighter configuration. Emphasis was placed on the development of the control logic required. A discussion of possible implementations of the system concept is presented. Results of the investigation indicated that a relatively simple system (with full control authority) was effective in preventing the developed spins of the fighter configurations considered and that the system design is dependent on the stall and spin characteristics of the particular airplane.

Physical Description

48 S : Ill., graph. Darst.

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