RELAY ARMATURE REBOUND ANALYSIS 



187 



group is that in which the front velocity is positive at the completion of 

 the heel series. In that case 



2(1 + k) 



k{l - k) + Mn(l + ky 



-, > Q > 



(1 + k) 



k{l - k) -\- Muk(l + ky 



and 



2CYi = 



(1 - ilfi2)fc- 

 1 + P12/ 



(34) 



For the second group the front velocity is still negative when the heel 

 comes to rest from which point on the system acts as a one-degree-of- 



0.30 



> 



o 



CVJ 0.22 



D 0.20 



_l 



Q. 



5 0.18 



< 



1 0.16 

 O 



m 



S 0.14 



5 

 D 



2 0.12 



X 



< 



^ 0.10 



0.04 

 0.02 







01 23 4. 56789 10 



Fig. 10 — Relative maximum rebound amplitude for Mr. = 1/8. 



