-fh 



0.8 



0.6 



0.7 0.8 



ADVANCE COEFFICIENT J, 



0.9 



1.0 



0.1 



Figure 9 - Variation of Cavitation Index a as a Function of Advance 

 it J for the Bulbous Tip 



(Data from Reference 19) 



Coefficient J for the Bulbous Tip Propeller 



20 



