A New Appraisal of Strip Theory 



1.6 

 1.4 

 1.2 

 1.0 

 0.8 



I 



0.6 

 0.4 

 0.2 



00 



0.5 



0.9 



+ 150 

 + 100 

 + 50 S 



LiJ 



S 



Q 



-50 "^ 



-100 



-150 



1.2 

 X/L 



1.5 



Fig, 20 - Model C in directly ahead seas, pitching 

 non-dimensional amplitude and phase angle vs 

 wavelength to shiplength ratio 



277 



