Submarine Cargo Ships and Tankers 
SURFACE TANKERS ARE DESIGNED FOR A SPEED GIVEN BY 
2 (108- ) 
@ CIRCULAR SECTION SUBMARINE TANKERS, USING DEADWEIGHT 
— DISPLACEMENT RATIOS FROM REFERENCE A. 
160,000 
{40,000 
190,000 
80,000 
D.H.P. 
40,000 
20,000 
V IN KNOTS 
Fig. 10. Comparison of surface and submarine tankers of 56,250 
tons deadweight 
361 
