        
  .

    l <= 3h,   -  l <= 5h;   
    l > 5h,   
 .    hc  l ( rcx = 0)  
     :

h = (hc +0,14) / 1,13


:

,  2-              
  
 h <= 150,                                                                                  
                           
 l ,	

   
hc     
 , 		
 l <= h	                                 hc = h0	                                               -
 l > h                                	         hc = h0 - (0.17 + (3*10^-4)h)(l - h)              -	
 l <= 1,5h	 	                     -                                                             hc = h0
 l > 1,5h		                     -                                                              hc = h0 - 0.14(l - 1.5h)

   2rc  
    
 2- ,            2rc = 2r0                                                    2rc = 2r0


   2rc,x  
 hx,,    
2- ,
 l <= h                                           2rc = 2rx                                                    -
 l > h                                             2rc = 2r0((hc - hx) / hc )                               -
 l <= 1,5h                                       -                                                                2rc = 2rx
 l > 1,5h                                         -                                                                2rc = 2r0((hc - hx) / hc )














