speed calculation

[edwardallen]

some where out there i saw a thread where the length of battleships,merchants etc was given. From this the speed can be calculated. Can some one point me to that thread or a topic to search
under. P.S. this is for IJN

[les green01]

http://www.subsim.com/radioroom/showthread.php?t=112448

[edwardallen]

thank you sir