Hydro dynamio Design of an S 3 Semi submerged Ship 



< 



I 

 u 



a. 



0.2 



5 0.1 



10 



15 



controlled 

 uncontrolled 



20 



25 



30 



as 



o 

 u 



5 10 15 20 25 



NONDIMENSIONAL WAVELENGTH, X/y 1/3 



30 



Figure 14. Effectiveness of automatic control in head seas at 



V 



= 1. 65 



571 



