figure 11 - Average Distribution of C at Design J for Propellers 

 4718 and 4679 Over a Range of Reynolds Numbers 



-0.4 - 



-0.3 — 



I o i.Q.2 — 



-0.1 





 0.05 



I 1 1 1 1 1 1 I I I I I 



PROPELLER 4718 / --.. 



1 1 1 1 1 1 



i 







/ 











^x 





- 





/ 



\ 



- 







s* 



\v \ 







y x 



\ \ 







s 



,' \ 

















/w*- 



*-^r ^~~^ 



\\ 





—/ XV 



Isfr*^ 





\ \\ 



— 



/ 1/' 



J // 







\ \ \ 



m — 



1 /'/ 







\ V 





"Tli ' 



+ 



EXPERIMENT. SUCTION SIDE v \ \ ' 

 EXPERIMENT, PRESSURE SIDE \ \^ 



— 



\ 1 



X 





■ /' / 





PREDICTED 





__ 



J / 







\\ 





-/ — ' 







A 





'l 1 1 



1 1 



1 1 1 1 1 1 



I i 1 i I l i 



\i 



-0.4 



-0.03 — 



lo 



-0.2 



-0.1 — 







0.05 



I I I I I I I I 



PROPELLER 4679 



MM 



M M M 



' \ 



1 







\ 



- 



/ s 



1 / 



1 / 





\ \ 

 \ \ 

 \ \ 

 \ \ 



- 



— 







— 



_ J^^ 71 



--x^r^ 



/\x 









l l l l I 1 1 1 1 1 1 It 1 1 1 1 1 1 



0.Z 0.4 0.6 0.8 



x/c 



1.0 



Figure 11a - r/R =0.5 

 74 



