Miller 



0.7 



20 40 60 80 100 



Degrees of Lag of Fwd Propeller Coir.parec; with Aft Proooller 



Fig. Z9 - Ratio of unsteady thrust to steady thrust 

 at design K^j. 



0.7 



20 40 60 80 100 



Degrees of Lag of Fwd Propeller Compared with Aft Propeller 



Fig. 30 - Ratio of unsteady torque to steady torque 

 at design k^ 



282 



