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Flight Loads Measurement Technique for Short Rods

Fan Huafei;Li Jun;Li Zhirui;Aircraft Institute,Chinese Flight Test Establishment;  
Flight loads measurement is necessary for finalize the design of new type aircraft.Control surface hinge moment measurement is an important part of flight loads measurement for an aircraft.A new flight loads measurement technique for short rods is proposed.The technique is applied to measure flight load at certain aircraft;The response coefficient of strain-gage bridge differences are up to 45% when pull press calibration test for the short rods,so the flight loads measurement for short rods needs to perform calibration test of two loads case(pulling and pressing).
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