Lang 



A Model A+N+F 

 □ Model B+N+F 



0.5 1.0 1.5 2.0 2.5 



FROUDE NUMBER, F v 



/—&T 



A Model A+N+F 

 □ Model B+N + F 



1.0 1.5 2.0 



FROUDE NUMBER, F y 



3.0 



Figure 13. Pitch and heave of S 3 models in following seas 



570 



