Norrbin 



N(r) n 



y/ y' \ Yaw damping due 

 ^ y/^ I to potential flow 



a) Notnoto's explanation of effect of 3- dim. stern flow separation 

 ( Above ) 



b) Lateral force centre of pressure ace. to measurements 

 by Baker and Bottomley ( Below ) 



F.P. k: 



Cargo ship (normal curve 



Figo 14, Small-value non-llnearlties in full form model 

 testing. 



846 



