Page 



29 - Comparison of Theoretical and Empirical Cavity Shapes at 



r/R = 0.361 for Propeller 4717C 60 



30 - Comparison of Theoretical and Empirical Cavity Shapes at 



r/R = 0.544 for Propeller 4717C 61 



31 - Comparison of Theoretical and Empirical Cavity Shapes at 



r/R = 0.726 for Propeller 4717C 62 



32 - Comparison of Theoretical and Empirical Cavity Shapes at 



r/R = 0.361 for Propeller 4738A 63 



33 - Comparison of Theoretical and Empirical Cavity Shapes at 



r/R = 0.544 for Propeller 4738A 64 



34 - Comparison of Theoretical and Empirical Cavity Shapes at 



r/R = 0.726 for Propeller 4738A 65 



35 - Cavitation Performance of Propeller 4738A 66 



36 - Sketches of Cavitation Present on the Back of 



Propeller 4717B at Two Cavitation Numbers 67 



37 - Sketches of Cavitation Present on the Back of 



Propeller 4717C at Two Cavitation Numbers 68 



38 - Sketches of Cavitation Present on the Back of 



Propeller 4738A at Two Cavitation Numbers 69 



LIST OF TABLES 



1 - Propeller Design Predictions . 70 



2 - Design and Performance Characteristics of 



Supercavitating Propellers 71 



3 - Propeller Design Criteria 72 



4 - Model Propeller Geometry ...... 73 



5 - Scope of Experiments 73 



6 - Cavitation Performance of Propeller 4717B 74 



7 - Cavitation Performance of Propeller 4717C 75 



8 - Cavitation Performance of Propeller 4738A ........ 76 



9 - Propeller Operating Points 77 



vi 



