t 
=) 
is) 
Mo.3,,/Mo.3,, (EXPERIMENTAL) 
1 
S 
pé) 
Mo.4,,/Mo.a,, (EXPERIMENTAL) 
~ 
MODEL EXPERIMENT 
UNSTEADY THEORY 
(WITH DYNAMOMETER BOAT) 
QUASI-STEADY THEORY eo SS 
(WITH DYNAMOMETER BOAT) 
45 90 135 180 225 270 315 360 
POSITION ANGLE 0 (DEGREES) 
Figure 29a - 30 Percent Radius 
MODEL EXPERIMENT 
os 
(WITH DYNAMOMETER BOAT) \ 
UNSTEADY THEORY 
QUASI-STEADY THEORY 
(WITH DYNAMOMETER BOAT) 
45 90 135 180 225 270 315. ~+—«:360 
POSITION ANGLE 6 (DEGREES) 
Figure 29b — 40 Percent Radius 
Figure 29 - Variation of Hydrodynamic Bending Moment at 30 Percent 
and 40 Percent Radii with Blade Angular Position, 
Comparison of Model Data with Theory 
161 
