1 













































































































1 





































1 





\ 

































1 



^ 









































































































0.01 

 0.02 

 ,0.03 















"oS^ 



0.2 



07T ' 



10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 



O - degrees 



Figure 3d - Variation of s/y with # B and f . 



1 













































































































1 





































1 





































\ 



^ 

























,f 



• 0.01 

 /0.02 

 '.0.03 

 //0.05 



































'A, 



60.3 

 /0.5 















































10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 



O - degrees 



Figure 3e - Variation of x/y with ^ and f . 



