NOTATION 



W Weight per unit length of cable 



R Drag per unit length of cable when normal to stream 



F Drag per unit length of cable when parallel to stream 



V Speed of ship 



<t> Angle of cable to horizontal 



Y Ordinate of any point of cable from origin at lowest point 

 S Length of cable from origin 



T Tension of cable at any point 



T Tension of cable at origin 



L Length of cable between points having equal ordinates 



p Defined by p 2 = \|4r a + 1 + 2r 



f = F/W 



r = R/W 



t = T/T ; t., = T.,/T , T., s T for $<0 



t 2 = T s /To, T 2 h T for <t> > 

 Z 1 = - tan <|>/2, <f>< 

 Z a = tan <|>/2, <|> > 

 C = 2f/p 

 Z.j = pZ.|, Z a = pZ 2 



y 4T r 



u,v Defined by z 1 = tan u, z 2 = tanh v 



