102 



NOMOGRAPHIC SOLUTIONS FOR THE STANDARD CASE 



+18- 



1 



+4- 



EXAMPLE SHOWN BY DASHED LINE 

 S = 220 

 C=+10 

 H=10,000 

 H IN FEET 

 S IN THOUSANDS OF YARDS 



20000 



17500 



15000 — 



I2S0O 



7500 



5000 



2500 



o <8» 



- 6- 



-18- 



-20- 



FlGURE 6 



