[PSUBS-MAILIST] (no subject)

[hank pronk via Personal_Submersibles]

Hi submarine friends.  I just completed a pressure test to failure on our Cast Epoxy port.  The port was 1 inch by 8 inches OD.  An acrylic port this size is rated to fail at 2,100 feet sea water.  My Epoxy port failed at 1,225 psi or 2,744 feet fresh water.  
  Any ideas on how to make a hydraulic apparatus to cycle the port  from zero to operating depth in my chamber?  
Hank
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