Munk and Prohaska 



n JtTi» D>cx 



Fig. 13 - Velocity diagram showing 

 the influence of the tangential wake 

 component 



^PROPELLER TURNING RIGHTHANDED 

 /PROPELLER TURNING LEFTHANOED 

 .PROPELLER TURNING RI6HTH. OR LEFTH AXIAL WAKE ONLY. 



Fig. 14 - Nornaal force curves for right-hand 

 and left-hand single screws 



Fig. 15 - Wake components in the 

 propeller disk plane 



1538 



