6.0 KNOTS 



.5 KNOTS 



A 





■tfit 1 





1.5 KNOTS 





iffTh 



270< 



90 c 



** 





*OT* flft 





180° 



Figure 22. Schematic of the relative motions of ship with chain (C) 

 moving at 6 knots and the dominant wave crests moving at 1. 5 knots. 



37 



