's 



Symmetrical 1 ^^^^^ ^^ ^ 

 Asymmetrical J 



7j„ Asymmetrical 



X Wave length 



// = i— Moment of doublet 



a = -jr^ strength of source 



/> Density 



^ Prismatic coefficient 



tf/ =(M)= -^t^ Ratio of slenderness 



rovV2F^ 



A Weight displacement 



V Volume displacement 



* Resistance function 



