TABLE 6.5 SUBMERSIBLE BALLAST AND BUOYANCY METHODS (Cont.) 



Submersible 



Depth 

 (ft) 



MBT VBT' VBT- 



Ascent/ 

 Descent 

 Weights Anchor 



Cable 





ARCHIMEDE 



36000 



VBT' =Hard Tanks and Seawater 

 VBT^=Hard/Soft Tanks (Oil) 

 (-) = Negative Buoyancy 

 (-^)=Positive Buoyancy 



287 



