188 
h 
h! 
h=h/c 
h* = h/(c/2) 
A = 2b/c 
S = 2be 
CH) 
ey 
Wy 
n= uo/Vgh 
O peom 
9 
m 
C. = L/pu 2be 
E= C,/C, 
S. Schuster and H. Schwanecke 
depth of submergence of the foil 
minimum local water depth above the foil 
aspect ratio 
area of the hydrofoil 
running speed 
induced velocity in the direction of the undisturbed flow 
induced velocity perpendicular to the direction of the undisturbed flow 
Froude depth number 
geometrical angle of attack of the chord 
no-lift angle 
camber 
lift coefficient 
drag-coefficient 
transverse-force coefficient 
rolling-moment coefficient 
dihedral angle 
rolling angle 
sideslip angle 
drag-lift ratio 
REFERENCES 
[1] Laitone, E.V., “Limiting Pressure on Hydrofoils at Small Submergence Depths,” J. Appl. 
Phys. 25:623 (1954) 
[2] Parkin, B.R., Perry, B., and Wu, Y.T., “Pressure Distribution on a Hydrofoil Running 
Near the Water Surface,” J. Appl. Phys. 27:232 (1956) 
