10 15 20 



Wove Height in feet 



0.01 0.02 0.03 0.04 0.05 0.06 007 



Wove Height to Ship Length Ratio 



Figure 19 - Speed Loss in Percent for Constant Wave Length with Thrust for 

 Two-Thirds Design Speed in Still Water, M/S SAN FRANCISCO 



Wave Height in feel 



0.02 003 0.04 



Wave Height to Ship Length Ratio 



Figure 20 - Speed Loss in Percent for Constant Wave Length with Thrust for 

 One-Third Design Speed in Still Water, Destroyer Escort 



22 



