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BELL SYSTEM TECHNICAL JOURNAL 



Taking the limit of (1.13.4) as ^o — ^ <^ , we lind the optimum acceleration 

 to be 



r' - P^ 



(1.13.7) 



The corresponding maximum displacement is found, from (1.13.2) to be 



W. h h 

 ^» =-^ = ^- (1.13.8) 



-TO yJm 



W2G0 



Fig. 1.13.2 — Maximum acceleration for cushioning with hj^perbolic tangent elasticity. 



See equation (1.13.5). 



1.14 Minimum Space Requirements for Various Classes of 



Cushioning 



It is interesting to compare the minimum amount of space for displace- 

 ment that can be attained with the various kinds of cushioning that have 

 been discussed. 



