J = 0.5 



0.6 



0.7 



0.8 



a = 3.0 



J =0.9 



1.0 



1.04 



1.1 



a = 0.34 



Figure 37 - Sketches of Cavitation Present on the Back of Propeller 4717C 

 at Two Cavitation Numbers 



68 



