75 



L/B 



\ 



--^ 





^ 



































„^ 





^ 



\ 





^ 



^ 





















1 1 

 B/H = 3.5 



1 1 







r-^,^^ 



\^ 







\ 







\ 





\ 



\ 





\ 















\ 



N 





^ 



\ 





\ 





V 



\ 





\ 



\ 



\ 



\ 



\ 





\ 





\ 





\ 



\, 





\ 



\, 





\ 











\ 





N 



\ 



\ 



\ 



\ 



8o\ 







\ 







\ 





72 











.74 













\ 



\ 







•i 





\ 





/ 



z" 



/ 





^ 



/ 





.75 

 1 



.76 













/ 



y 





1 













/- 









1 







.78/ 





''"^ 





^ 1 



/ 







/ 



/ 



X 





^ 



^ 













/ 



/ 















/ 



/ 





/ 



X 







^ , 











/ 



.80/ 





® = 



1.5 





























y 



/ 



Aj 





























1 1 





/ 



/ 





60 62 64 66 68 070 072 074 76 78 0.80 



Block coefficient 

 Figure B69 



L/E 





^ 













































>^^ 







N 







\ 















B/ 



H = 2 



.5 







■\ 





\ 



^ 



\ 





\ 





\ 







\ 



\ 



















■^ 





N 



\ 



\ 









\ 













\ 





\ 



\ 







\ 







\| 





\ 



.7 



\ 



.73 





/ 





] 





1 











\ 











"^ 



\-' 



\ 



' \ 







/ 



k 



/ 



.75/ 





.76 



/ 









\ 





1 





\ 



.69 



1 



-\ 











/ 



/ 



/ 







/ 







.78 















V 





; 



] 



j 



/ 



/ 



/ 



/ 



/ 



y 



y 









/ 



■'1 











/ 



f 



1 



/ 



/ 



/ 



/ 



/ 



/ 









/ 



/ 



^ 



i 



■7 















/ 





/ 



/ 



V 











y 





J 





/ 







® = 



1.6 



















^ 









/ 







/ 



; 

















1 

















r i7 



60 62 64 66 68 070 072 0.74 76 78 0.80 



Block coefficient 

 Figure B70 



B-35 



