TABLE 2 

 Test Results (Altered Model) 



„,^,,, ^, J- r- fs feet, model scale 

 Depth of model beneath free surface ^ 





L20 feet, full scale 



^ ^, - ^ r 20 feet, mode 

 Depth of water -i 



I scale 



I 80 feet, full 



scale 



Period of free oscillations in 



.^ , 12. 3 seconds, model scale 

 pitch -I ' 





14. 6 seconds, full scale 



Wave length 



Wave height 



Heading 

 angle,** 



Pitch 

 amplitude. 



Model, 



Full scale, 



Model, 



Full scale, 



feet 



feet 



inches 



feet 



degrees 



degrees 



39.8 



159 



21.1 



7.0 



22 



22.0 



54.7 



219 



20.1 



6.7 



13 



13.5 



30.0 



120 



7.7 



2.6 



69 



14.8 



25.0 



100 



8.3 



2.8 



9 



14.6 



20.0 



80 



9.0 



3.0 



***0 



10.5 



22.6 



90.4 



9.3 



3.1 



4 



12.7 



27.6 



110 



9.5 



3.2 



7 



15.5 



25.0 



100 



4.8 



1.6 



2 



10.4 



15.0 



60 



9.0 



3.0 



35 



3.8 



Double amplitude. 





Heading angle relative to 



wave direction. 



Head Seas. 





TABLE 3 

 Root -Me an -Square Pitching Motion in Degrees 



State ^\^ 



50 feet 



100 



feet 



150 



feet 



200 



feet 



MARK 56 



MARK 57 



MARK 56 



MARK 5 7 



MARK 56 



MARK 57 



MARK 56 



MARK 57 



4 



9.1 



4.2 



3.5 



1.6 



1.5 



0.7 



0.7 



0.3 



5 



;.25 



14 



13 



7.2 



6.8 



4.2 



2.5 



2.5 



6 



-25 



>25 



25 



22 



14 



14 



8.0 



9.5 



7 



-25 



>25 



>25 



>25 



>25 



>25 



19 



>25 



20 



