4.2 



3.8 



3.4 



3.0 



2.6 



2.2 



4.2 



3.8 — 



3.4 — 



3.0 — 



2.6 — 



2.2 



Figure 14 — Measured Total Drag Coefficients of Models 1 through 9 



1 1 1 1 1 1 1 



• BARE HULL 



A 0.61mm WIRE x k /D = 0.107 



O 0.61-mmWIRE x, /D = 0.322 



Figure 14a - Model 1 



4' 



1 



1 1 1 1 



• BARE HULL 

 □ 0.61-mmWIRE 

 A 0.61-mmWIRE 

 O 0.61-mmWIRE 



I I I I 



I 



x k /D = 0.218 

 x k /D = 0.382 

 x k /D = 0.545 





I 





- 



I 



f< 





• 





4 

 I 





10 



15 



20 



25 



30 



35 



40 



v-6 



R L - 10~ 

 Figure 14b - Model 2 

 40 



