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THE BELL SYSTEM TECHNIC.\L JOURNAL, JANUARY 1954 



0.4 0.5 0.6 0,8 1.0 



Fig. 6 — Relations for initial motion in operation. 



FACTORS AFFECTING OPERATE PERFORMANCE 



The dominant term in the operate time is the time U for the second 

 stage, which also determines the velocity and pull level in the third 

 stage, and hence the final velocity. As U_ = Ziitc + Ie), equation (23) 

 gives the following expression for h : 



