-J 60 

 I 



^ 5.5 









h/L=00 





^// 



' 





^ / 









h/L = 00; 

 h/L=00 





^ / 





" / 



/ / 



">^ / 



' / 









/ 



/ / 



/ 











/ / 













^ 



/ 









Model Speed in ft/sec (Still Woter) 



10 15 



Ship Speed in knots 



0.2 0.3 



Froude Number 



Figure 11 - Critical Wave Length as a Function of Speed and Wave Height, 

 Destroyer Escort 



I 45 















/ 









h/L=OOI7 — . 

 h/L=0 033-v 



^ 



/ 

 / 









/ 





y 



/ 







y 

















/ 









0.5 1.0 1.5 2.0 2.5 3.0 3.5 



Model Speed in ft/sec (Still Woter) 



Stiip Speed in knots 



Froude Number 



Figure 12 - Critical Wave Length as a Function of Speed and Wave Height, 

 Series 60, 0,60 Block Coefficient 



18 



