(■*■), 



WIND 

 SCREEN 



max 



PLANING SURFACE 



Figure 17. Variation of hull efficiency with planing coefficient. 



.20 



.15 



.10 



.05 



A = 160,000 

 b = 7.48 FT 



V/V G 



Figure 7 8. Effect of take-off speed on hull resistance. 



201 



