33 



451 



0.22 



- 0.18 



a; 0.14 

 § 



1- 



0.10 



• ^ — * ' .»" * ■ — ■ 



12 



16 20 24 



d^, Charge Distance in inches 



28 



32 



Figure 25 - Time t^ of Second Hesitation in the Motion of the Center Spot 



0.40 



XJ 



c 

 o 

 o 



lU 

 (/) 



£ 0.30 



E 

 c 



-° 0.2 



e 



0.10 



12 16 20 24 



d^, Chorge Distance in inches 



28 



32 



Figure 26 - Time t^"of Third Hesitation in the Motion of the Center Spot 



Note separation into upper, U, and lower, L, classes. 



0.70 



T3 



C 



o 

 o 



S 0.60 



e 



c 



-" 0.5 



§ 

 I- 



0.40 



12 16 20 24 



d , Charge Distance in inches 



28 



32 



Figure 27 - Time i i of the Arrival of the Bending Wave at the Center 



This is the swing time of the diaphragm. 



