>- 10 

 o 



z 



UJ 



3 



a 



UJ 



u. 



UJ 



RELATIVE FREQUENCY 



OF Ah VALUES IN 

 DEAD WEIGHT TOWING 



1.0 



2.0 



3.0 



4.0 



Ah 



FIGURE 9 DISTRIBUTION OF /^h VALUES IN DEAD WEIGHT TOWING 



>- 

 o 



z 



UJ 



o 



UJ 



UJ 



> 



UJ 

 (E 



10 



i8 



P 



RELATIVE FREQUENCY 



OF Ah VALUES IN 



PARALLEL TUBE TOWING 



P 



-z 



p 



1.0 



2.0 



3.0 



4.0 



Ah 



FIGURE 10 DISTRIBUTION OF A^ VALUES IN PARALLEL TUBE TOWING 



66 



