LUCIA FOR THE UNITED STATES SHIPPING BOARD. 



49 



The torpedoing of the aft compartments will only reverse the list as the com- 

 partments are of equal size and at equal distances from the center line of the ship, as 

 are the forward compartments. 



O/j/C/M/lL 



Ship in Ballast: — 



9.25 + 3721i:7? x=D = Draught above double bottom. 

 50 X 400 



Moments : — 



-X" X 37 + 108 r 4. 4. 

 ^^— ! X 170 foot-tons. 



35 



^ 400 x5o ^(^_^) 

 6 X 35 



X 



200 

 108 



foot-tons. \ X Mom. = o 



- '-'^f ^ 37 X (X-Z?) X -^ foot-tons. 

 6 X 35 108 



X= 23 feet. D = 16.5 feet. 



Maximum bending moment equals — 



X X 37 X 170 X 108 I r ^ X 



— -^^ — '- — X — = 220,000 foot-tons. 



35 2 



Ship Loaded : — 



0.35 ^ permeability coefficient. 



35+ 37X172 xo.35X = i) 

 50x400 



Moments : — 



-Sf x 37 X 170 x 108 r i 4. 

 -^^ — '- — X 0.35 foot-tons. 



35 



+ 4221XJ2 X ( Z- Z?) X ^ foot-tons. 

 6 X 35 108 



_ 170' X 37 X 0.35 X {X-D) X ^foot-tons.' 

 6 X 35 108 



Z = 31 feet. £' = 28 feet. 



2 Mom. = o 



