Yim 



0.10 



0.08 



WITHOUT QUADRUPOLE 



WITH THE OPTIMUM QUADRUPOLE 



0.75 



1.25 1.50 



FROUDE NUMBER, F^, 



0.3125 0.375 



FROUDE NUMBER, F 



0.5 



Fig. 6b - Bow wave resistance due to the second 

 term in the source distribution of a parabolic 

 ship, m = 1 '77 B/L X (1 - 2X), (L/H = 16) 



1082 



