A wing flex measuring system

The present application describes a method and system suitable for measuring the lift generated by an aircraft wing by determining the degree of flex experienced by a wing in flight. The measured lift may be used in a variety of manners including as an input to a stall warning system or the measured...

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Bibliographische Detailangaben
1. Verfasser:	STEPHEN GEARY
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	The present application describes a method and system suitable for measuring the lift generated by an aircraft wing by determining the degree of flex experienced by a wing in flight. The measured lift may be used in a variety of manners including as an input to a stall warning system or the measured flexing of the wing may be integrated over time to determine the life time cyclic load on the wing. This may give an indication of its operating life or warn of failure. The system comprises a cable attached to the tip of the wing, inside the wing, and it is attached to a biasing member near the fuselage. The motion of the cable is measured to determine the amount of flex in the wing and, therefore, the lifting force.