SHIP MOTIONS 



191 



120m 



300 

 Langen in m- 



n''34' 



60 



GO 



E 

 .£ 40 



c 



:0 



leit flir Lage des Schiffsschwerpunk+es im Wellenzug- 



'20' 



|-,h3^mm 3qS 



1 mm. ^qSgc 



n"34 



mm, ^Qsec 



"^ ^ \ ^ 



CpAt 'laBrns-' .10 sec = 198m 





Wellenlange Xca.240 m Wellenlange_\ caJ_2_60_rn 



unge'fabrer mi+il 

 Wassersp. 



l-jhjsmln. 



Uberhohung 2.5M 



mi+llere Lage des 

 5chif f sschwerpun ktes 



100 



200 



300 



400 500 



Langen in m- 



600 



800 



900 



1000 



Fig. 29 Motions of MS San Francisco. Upper, at beginning of storm, wind and waves 4 5 deg off bow. Ship at 10.13 knots. 

 Lower, hove-to during storm at zero speed. Vertical scale enlarged 2.5 times (from Horn, 1936) 



Wind Speed 

 Indicator 



Wind Speed and 

 Direction Indicator 



Wind Speed 

 ndica+or 



Tunnel Recess Rev Speed Indicator (^ Chern'ikeett Log SI Cross Bunker 



Accelerome+er P. A.-^ , Instrument Rms 



Acceleronnet 



- 132 



Fig. 30 Disposition of instruments, accelerometers, and miscellaneous equipment (from Admiralty Ship Welding Committee 



1953) 



