Propeller Design 



160 200 2^0 280 320 360 



a 



V,.o .^*>° ">°. n.O .''*'° "<°. V,.0 ><" "<° n.O ><° ">° V,.0 



Fig. 6 - Some results of the four quadrant 

 open-water tests with the B-screw series 



100 200 300 «00 SOO 600 700 tOO 



ADVANCE IN m 



Fig. 7 - Effect of increased rpm on the 

 maneuver of a 65,000 TDW tanker 



1582 



