Hydrofoils Running Near a Free Surface 155 
Ec WT oe ee 
ee 
: 
Ea ne are aL 
as Seg eS 
a 
a Seate 
ae 
ae 
a 
275i 
—— eens 
So i 
=os S555) seen 
oo ac aes ESB 
iC 
aerial mele 
HEH A ete 
= 
iS 
Es 
fa 
Ea Spey ay 
Fe = co =e ae 
. Loe Togs ee 
a pee ee Bue ae 
ig 
EE 
a 
ee 
Et te Sado EE 
Fe Te ee al 
PEReH Ear ree eal 
See 
ilies tees Se ole na 
weve eB enh 
eS 
Sl GGae aac eis 
Baie a : = 
ee “ 
3-29 OPSES CERT! 
if 
eee Eat t 
nets Hii 7 
arnt area 
seafieasjeactae 
See ee eee 
cee | 
go ee ee aie ee reese eee ee 
alee sees Se ee eeieeie 
RU TRT 
ae a 
ete Hea Bc 
aoc jas soe are SS ee ate 
HES eae ea ee ae ae 
age Gales Renee eae ee 
aie Boe : 
8 
boise 
ee a 
(2 SORE SD SESS ss= nae af 
= FS 
Fig. 8. Lift coefficients of the lower side of the flat foil 
