For hydrodynamic loading, F, and M_ were the largest measured force 
H H 
and moment components; see Table 8. For these components the maximum 
values were approximately 1.43 times the time-average values, and the 
maximum value minus the minimum value (double amplitude) was approximately 
0.91 times the time-average values; see Table 7. For F_ and|M |, the 
YH “A 
maximum values and range of values with blade angular position were 
slightly smaller fractions of the respective time-average values. For 
nae? the maximum value and range of values with blade angular position 
were much greater fractions of its time-average. This large fractional 
variation in F occurs because|F M Hee maximum 
Zz Zz Zz 
H H H 
value and range of values were 1.30 and 0.6/7, respectively, times the time- 
was very small. For 
average value. The radial point of application of FY varies from 0.68R 
H 
to 0.73R, and the radial point of application of Bo varies from 0.6/R to 
H 
O.79R. 
The maximum values of es and a were approximately 1.41 times the 
time-average values, and the range of values were approximately 0.88 times 
the time-average values for combined hydrodynamic, centrifugal and gravi- 
tational loading components, or total loading components. These results 
are nearly the same as the hydrodynamic results since the centrifugal and 
gravitational loads are small for these components; see Tables 6 and 8. 
The centrifugal and gravitational loads are a significant portion of 
the total loads for other loading components; for total loads F /EL=1.14 
MAX 
whereas for hydrodynamic loads F /F_=1.40. This large difference 
YuMAx YH 
results from the combination of centrifugal force adding to the time- 
average hydrodynamic force and gravitational force substracting from the 
circumferential variation of hydrodynamic force. Similarly, for total 
loads M /M,. =1.26 whereas for hydrodynamic loads M, /M 
X H,MAX “H 
centrifugal loading Ey is two orders of magnitude larger than the time- 
average hydrodynamic loading, and for M 
R634, ava 
7 the centrifugal loading is almost 
as large as the time-average hydrodynamic loading; see Table 8. 
