Propeller -Induced Appendage Forces 



o J = 0.8& K^ 

 Q J = 0.59 K. 



A J = 0.49 



0.055 

 0.157 



0.194 



Open Symbols = 1st Harmonic 

 Solid Symbols= 2nd Harmonic 



0.1 



0.2 0.4 0.6 0.8 



Spacing/Propeller Dicimeter 



1.0 



Fig. 27 - Induced force ratio vs spacing ratio for 

 a two-bladed propeller downstream of an appendage, 

 transverse measurements, and an appendage angle 

 of 10° 



197 



