TABLE 2 - DESIGN AND PERFORMANCE CHARACTERISTICS OF 

 SUPERCAVITATING PROPELLERS 



Propeller 



Model 

 3770 2 



Model 

 3870 2 





Z 



3 



4 



P/D (0.7) 



0.786 



1.243 



EAR 



0.508 



0.727 



c/2 (0.7) 



0.351 



0.344 





J 



0.44 



0.834 



Experiment 







0.617 



0.45 





K T 



0.075* 



0.115 



n 



52.0 



59.4 



2 

 by Venning and Haberman 







2 

 Preliminary Design 



0.1004 



0.1402 



(Lifting-Line Theory) 

 Lifting-Surface Design 



0.075 



0.115 



Case 1** 



0.073 



0.114 



Case 2** 



0.073 



0.114 



2 

 by Venning and Haberman 







2 

 Preliminary Design 



54.1 



64.0 



Case 1** 



50.1 



58.2 



Case 2** 



50.5 



56.7 



Lifting-Surface Design 







Case 1 



47.8 



58.7 



Case 2 



50.4 



58.9 



2 

 Venning and Habermar 



L. 





*A corrected value oJ 



K T as givei 



l in 



Reference 2. 





**Case 1 - without ang 



le of attacl 



c; Case 2 - 



preset angle of attack. 







71 



