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APPENDIX D - CONTROL SYSTEM CIRCUITRY AND CABLING DIAGRAMS 75 



REFERENCES 79 



LIST OF FIGURES 



1 - Schematic of Conductivity, Temperature, and Depth Towing 



Configuration 3 



2 - Predicted Tension in Remote Sensor Cable at 10 Knots as a Function 



of Cable Length for Two Remote Sensor Distances Above Depressor .... 5 



3 - Predicted Towcable Length and Towing Tension to Achieve a Depth 



of 200 Meters at 10 Knots as Functions of the Tension Produced 



by the Depressor (Depressor Lif t-to-Drag, L/D =4.0) 6 



4 - Depressor 9 



5 - Schematic Cross Section of Towcable 12 



6 - Remote Sensor Mount 13 



7 - Attachment of Remote Sensor Mount to Towcable 14 



8 - Shipboard Control Electronics 16 



9 - Depressor Coefficient of Tension as a Function of Control Flap 



Deflection for Various Speeds and Horizontal Stabilizer 



Incidence Angles 22 



10 - Depressor Response at 10 Knots to a Square Wave Control 



Input for Two Flap Gain Values (Towcable Length, 4.5 m) 23 



11 - Depressor Response at 10 Knots to a Sine Wave Control Input 



(Towcable Length, 4.5 m) 25 



12 - Depressor Response at 10 Knots to Various Sine Wave Control 



Inputs (Wetted Towcable Length, 250 m; Depth Set, 87 m) 28 



13 - Depressor Response at 10 Knots to Various Sine Wave Control 



Inputs (Wetted Towcable Length, 250 m; Depth Set, 100 m) 33 



14 - Depressor Response at 10 Knots to Various Sine Wave Control 



Inputs (Wetted Towcable Length, 115 m; Depth Set, 50 m) 35 



15 - Depressor Response at 10 Knots to Various Sine Wave Control 



Inputs (Wetted Towcable Length, 115 m; Depth Set, 60 m) 38 



