Artist's concept of TRIESTE landing upon 

 the sea floor 



Propulsion 



The propulsion system consists of five special General 

 Electric 3-hp dc motors. These motors are designed to 

 operate in inert fluid (silicone oil) and are subjected to full 

 ambient pressure during diving operations. The motors 

 themselves are in five different locations. Two of them 

 provide horizontal motion forward and backward, two 



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