A New Appraisal of Strip Theory 



1.6 

 1.4 

 1.2 

 1.0 

 0.8 

 0.6 

 0.4 

 0.2 

 0.0 



+ 150 

 100 

 + 50 S 



CC 

 Q 



- 50 



* 

 -100 * 



0.6 0.9 



1.2 

 X/L 



1.8 



1.6 

 1.4 



1.2 



1.0 



^0.8 

 kho 



0.6 

 0.4 

 0.2 



0.0 



0.6 



0.9 



1.2 

 X/L 



+ 150 

 + 100 

 + 5oS 



UJ 



ir 

 13 



UJ 



o 

 - 50 "^ 



* 

 -100 * 



-150 



1.8 



Fig. 40 - Model E in directly astern seas, pitching 

 non-dimensional amplitude and phase angle vs 

 wavelength to shiplength ratio 



297 



