Star III, a research submersible   Two DRVs- Deep Research Vehicles (manned submersibles) were built by the Electric Boat Corporation at their Groton, CT shipyard, Star II-delivered June 30, 1966 and Star III-delivered 15 days earlier.   Now days the Star III can be seen on display in front of Scripps Institution of Oceanography in San Diego, California.   Technical specifications, Star II:   Pressure hull: a 5 ft diameter sphere 5/8 inch thick HY-80 steel. Length: 17.7 ft. Weight: 4,700kg. Payload:150kg. of scientific equipment Battery: Lead-acid storage of 8 hr, life support capability is 48 hr. Propulsion: 2*2hp vertically mounted hovering variable electric motors, 2*2hp horizontally mounted variable speed stern thrusters. Speed: 3 knots max. Operation depth: 1,200 ft. Complement: a two man submersible vehicle Construction: six 5 inch diameter viewports. Back to History Index         Image Country Year Description Congo, Rep. 1993 Star III (Research vehivle- DRV) and scuba divers (DSV Triest in margine) Cambodia 1993 Dolphin and submersible Star III