a) 



Gerass-imoVj Persh-itz and Rakhmanin 



J' 



/oo 



s) 



SO 



£f 



tP/ri 



Q* 



BEM 



cz 



*7 ^ 



^ 



#*" 



^ 



l£& 



Figure 9 The effect of longitudinal shifting of the 

 hawse-hole on the intensity of yaw (a) 

 and drift (b). 



1104 



