0.9 



0.8 



0.7 



0.6 



LIFTING-LINE DESIGN 



MODEL 3770 

 LIFTING-SURFACE DESIGN 



J L 



0.2 



0.4 0.6 



r/R 



0.8 



1.0 



Figure 18 - Pitch-Diameter Ratio of Model 3770 with 

 Leading-Edge Point Drag (Case 1) 



1.0 



0.9 



0.8 



07 



0.6 



LIFTING-LINE DESIGN 



MODEL 3770 



LIFTING-SURFACE DESIGN 



0.2 



0.4 0.6 



r/R 



0.8 



1.0 



Figure 19 - Pitch-Diameter Ratio of Model 3770 without 

 Leading-Edge Point Drag (Case 2) 



52 



