

Figure 14 - Variation of C with Inflow Speed at 

 6 P 



Design J for Propeller 4718 



-0.5 — 



-0.4 



-0.3 



lo 



i- 

 o 



"> -0.2 



-0.1 



T^ 



i r 



\* 



\ 



\ 



* 





>^ 





^ - 0.! 



^ 0.7 

 ^—0.35 



§• 



-*---#--i-o. 



2 - 



■%■ *• 



* ■*-•• * °" 9 



^f 



0.03 





15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 



V R (ft/s) 



Figure 14a - r/R = 0.5, at Measured x/c Positions 

 83 



