Figure 7 - Variation of Mean Loading Pressure Coefficient with 

 Advance Coefficient for Propeller 4718 



-0.2 



-0.1 



-# 



0.1 



0.2 



^0.35 ~_ _^- -# 



N 0.2 



0.3 - 



0.4 - 



0.5 - 



0.6 



0.7 



0.8 



t — i — i — T 



i — r 



A 



0.12 



0.03, 0.5, 0.9 





X? 



i^HrH^ 



•* 



X 



0.7 



\/ 



DESIGN 

 J = 0.751 



J I 



J I I I L 



0.4 



0.5 



0.6 0.7 



J 



0.8 



0.9 



1.0 



Figure 7a - r/R = 0.5, at Measured x/c Positions, V n =27.4 Feet per Second 



Ro r 



59 



