Miller 



120 



60 — 



— 



300^ 



^ 240 



180 — 



120 



60 — 



-=. 



300 — 



240 



1.0 



1.2 



1.4 



Advance Coefficient, J = -ft 

 nD 



Fig. 27 - Phase angles of vertical and 

 horizontal side forces 



280 



