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17 - Tip Vortex Trajectory 26 



18 - Lift Coefficient as a Function of Angle of Attack — Parent Foil 28 



19 - Drag Coefficient as a Function of Lift Coefficient — Parent Foil .... 28 



20 - Roll Moment Arm as a Function of Angle of Attack 29 



21 - Cavitation Inception as a Function of Lift Coefficient — 



Parent Foil , . . . . 30 



22 - Cavitation Inception as a Function of Lift Coefficient — Roughened 



Foil Tip Pressure Side, Suction Side, and Both Pressure and 



Suction Sides — 400 Micron 32 



23 - Cavitation Inception as a Function of Lift Coefficient for Varying 



Roughness Grain Size — Standard Roughness Pattern 33 



24 - Tip Vortex Cavitation Inception Speed Ratio as a Function of 



Lift Coefficient for Varying Roughness Grain Size — 



Standard Roughness Pattern 34 



25 - Surface Cavitation Inception as a Function of Lift Coefficient for 



Varying Roughness Grain Size — Standard Roughness Pattern 35 



26 - Tip Vortex Cavitation Inception Speed Ratio as a Function of Lift 



Coefficient for Increased Roughness Treated Area and Reduced 



Suction Side Roughness Grain Size 37 



27 - Lift Coefficient as a Function of Angle of Attack — Bulbous 



Tip Foils 39 



28 - Drag Coefficient as a Function of Lift Coefficient — Bulbous 



Tip Foils 40 



29 - Cavitation Inception as a Function of Lift Coefficient — Bulbous 



Tip Foils 41 



30 - Tip Vortex Cavitation Inception Speed Ratio as a Function of Lift 



Coefficient for the Bulbous Tip Foils 42 



31 - Tip Vortex Cavitation Inception as a Function of Lift Coefficient — 



Passive Mass Injection Foil 44 



32 - Tip Vortex Cavitation Inception Speed Ratio as a Function of 



Lift Coefficient for the Passive Mass Injection Foil 45 



