Lang 



Q 100 

 o 



o © 



10 



1 — I ■ I I | 



0.1 



super 

 tankers- 



tankers \\\ I streamlined submarines) 



ocean liners 



aircraft carriers 



destroyers 



j 1 1 1 



1.0 



FROUDE NUMBER, F t 



Av 1 ^ 



10.0 



O.I64 KNOTS 

 LONG TONS '/ 6 



Figure 3. Hull efficiency of various ship types 



560 



