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16 - Control Flap Response to Sine Wave Input (Bench Test) 



Following Sea Evaluation 43 



17 - Estimated Cable Angle at Depressor as a Function of 



Depressor Coefficient of Tension 46 



18 - Predicted Depth as a Function of Depressor Coefficient 



of Tension for Various Wetted Towcable Lengths and 



Speeds 47 



19 - Cyclic Depth Attenuation Factor as a Function of 



Cycle Frequency for Two Wetted Towcable Lengths 51 



20 - Predicted Remote Sensor Distance Above Depressor as a Function 



of Depressor Coefficient of Tension for Sensors at Two 



Locations Along the Towcable 53 



21 - Predicted Towing Tension as a Function of Wetted Towcable 



Length for Various Depressor Coefficients of Tensions 



and Speeds 54 



LIST OF TABLES 



1 - Depressor Physical Characteristics 10 



2 - Basin Evaluation Data. . . , 20 



3 - At-Sea Evaluation Data 27 



4 - Control Calibration 61 



5 - Towcable Calibration 63 



