Motion and Resistance of a Low-Wat erp lane Catamaran 



4 - 



SPEED 15 KNOTS 



-TWIN HULLS 



1 - 



DEMIHULL 



EXPERIMENT O 



_ 

 A 2 



HEAVE 

 15 KNOTS 



1 2 



X/L 

 b. Heave Amplitude 



KX 



1 2 



X/L 

 c. Pitch Amplitude 



Figure 9 Comparison between twin hulls and demihull of 

 Model 5061 



513 



