Theory of Unsteady Propeller Forces 



0.15 

 10»K„ 



10'K« 

 10 'K«, 

 10«Kh, 



0.85 1.00 1.15 



Fig. 9 - Mean values o£ the bearing 

 forces (top) and the magnitudes of 

 the vibrating parts of the bearing 

 forces (bottom) of propeller M^j 



73 



