





















































































































































■*"" 











































• 













































































































































































































































































X=I275' X/ L =o.75 

 O X/h = 20 

 + X/h = 30 

 X X/h = 40 

































































































































































































































































































»< 



































Ship Speed in knots 

 Figure 4a - Wavelength 127.5 Feet 























X=204 





Vl- 



1.2 





























O Vh = 20 

 + X/h =30 

 xX/ h =40 



















































/ 







































/ 







































/ 







































/ 







































/ 

























































































































/ 

















































































































































































































































































































































































































































































*•" 

























































* 

















































































— 



































































































































































































v R = 12.17 knots 

























































K = l 



70 





Vl 



=i 

































O Vh = 20 

 + Vh = 30 

 X Vh = 40 

























C 

































































1 





















































































S ' 











































S 1 





















































































* * 

























































































































































































































































































































































































J 























































^ 





























% ' 











































- 









^ 



































E 





- 









































/ 

































^ 







2 



' 



















































































' 























































> 









i 









V R 









=i 







10 



Ship Speed in knots 

 Figure 4b - Wavelength 170 Feet 

















































8 































































































































— H 









r 

















































P *> 



— 













y 



























X- 





- 















































5 









































































X=340' X/L = 2 



O X/h=20 

 + X/h=30 

 X X/h=40 

















































































in 



























































































































— i 



>- 





























































S c 















































c 









































-*" 







f 1 

















































— - 













































2 





























































































































v„=22.l knots 





Ship Speed in knots 

 Figure 4c - Wavelength 204 Feet 



Ship Speed in knots 

 Figure 4d - Wavelength 340 Feet 



Figure 4 - Plots of Pitch and Heave versus Speed for Constant Wavelength 



