3.0 



2.0 



1.0 



a - 10" 

 F = 0.922 



Present Method 



O O O Test ( Rcf - u ) 

 + + + Theory (Ref. 17) 



O O 



h 2 /c 



1.5 r 



1.0 



F Present Test 



c Method (Ref. 14) 



1.313 — O O O 



2.045 ----- ODD 



h 2 /c - 1.5 



0.5 



4 8 12 



Figure 14 - Lift of a Hydrofoil of NACA 4412 Shape 



a(") 



41 



