Test Plots - Vibration Amplitudes versus RPM 



+ 1 



40 



9 30 



o 10 - 



S 10 



Z 8 



5?. 







O 

 D 



FOURTH 



EIGHTH 



ORDER 

 ORDER 













/ 



\ FIRST ORDER RESONANCE 

 \ FREOUENCYr 1.5 CPS 



i 



S. 





/ 



V 



^FIRST 



ORDER 





j 







V 



^> 



^ 







A 



/ 





2— -J 



V 



N 



P? 



Lr J 



f 







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T 



f] 



"i 





^D 



80 85 



90 95 



100 



RPM 



105 no 



115 



120 125 



Figure 10 - Vertical Vibration at Stern - Deep Water - Aft Peak Tanlt Full 









4 





















Wl 























-I 























5 























+ 1 



2 



J 

























> 















UJ 









/ 











rA 1 



n 









/ 











J-^ 



^VJ 





■t 







/ 











r^^ 





h- 







/ 











y 





_) 









/ 











' 





n 









/ 









/ 







5 









/ 









/ 







< 



1 







/ 









rf 













3 -C 



rH 



^ — 







-n 





80 85 90 95 100 105 



RPM 



115 120 125 



Figure 11 - Athwartship Vibration at Stern - Deep Water - Aft Peak Tank Full 



51 



