Johnsson and Srfntvedt 



340 # 



10* 20* 



30* 



40* 160* 



Model with fins, 6-bladed propeller 



/ 



y 



\ 



Model with fins, 5 -bladed propeller 



Model without fins, 5-bladed propeller 



/ 



Model without fins, 6-bladed propeller 



Figure 22 Tests in cavitation tunnel. Cavitation patterns in different 

 blade positions. Different hull - propeller configurations. 

 Fully loaded condition, 16 knots 



640 



