A New Appraisal of Strip Theory 



1.6 

 1.4 

 1.2 

 1.0 

 nrr 0.8 

 0.6 

 0.4 

 0.2 

 0.0 



kh, 



+ 150 

 + 100 

 + 50 S 



LlI 



q: 

 ^ 



Q 



-50^ 



-100 



-150 



0.6 0.9 



1.2 

 X/L 



Fig. 48 - Model F in directly astern seas, pitching 

 non-dimensional amplitude and phase angle vs 

 wavelength to shiplength ratio 



.221-249 O - 66 - 21 



305 



