Behavior of Unusual Ship Forms 



1.8 



1.7 



1.5 



1.3 



1.2 



o 



A 



AHEAD 

 X/L L/h 



FOLLOWING 

 X/L L/h 



• 1.00 45.0 O 1.00 45.0 



A I 00 22.5 A 1.00 22.5 



D 2.00 22.5 



t 



0.2 



FROUDE NUMBER 

 0.4 0.6 



0.8 



1.0 



10 



20 30 



SHIP SPEED, KNOTS 



50 



Fig. 7 - Mean pitch and heave attitudes regular waves 

 (hydrofoil semi- submarine) 



725 



