Davis and Zarnick 



i.e 



1.4 



1.2 



1.0 



A 



OA 



LEGEND 



^ REGULAR WAVES 

 -®-o TRANSIENT TESr 



.2 .4 .6 .8 1.0 



Frequency in cycle* per second 



Fig. 23 - Pitch response for 

 Model 4889 in head waves at 

 a Froude number of 0.14; 

 transient test compared with 

 regular wave test results 



1.6 



1.4 



Fig. 24 - Heave /pitch ratio for 

 Model 4889 in head waves at a 

 Froude number of 0.14; tran- 

 sient test compared with regu- 

 lar wave test results 



M .2 .4 .6 .8 1.0 



Frequency in cycles per second 



530 



