PAULO I 



LENGTH: 13.5 ft 



BEAM: 4.5 ft 



HEIGHT: 6.3 ft 



DRAFT: 4.5 ft 



WEIGHT (DRY): 2.6 tons 



OPERATING DEPTH: 600 ft 



COLLAPSE DEPTH; 3.650 ft 



LAUNCH DATE; 1967 



HATCH DIAMETER; 20-3/4 in. 



LIFE SUPPORT (MAX): 96 man hr 



TOTAL POWER; 5.2 kWh 



SPEED (KNOTS): CRUISE 0.75/25 hr 



MAX 3/10 hr 



CREW; PILOTS 1 



OBSERVERS 1 



PAYLOAD; 480 lb 



PRESSURE HULL: Cylindrical shape with hemispherical endcaps. Cylinder is 4-ft. ID. 8 ft long and 0.75 in. thick of A 212 steel. Endcaps and 



hatch are 0.5 in. thick of a 212B steel. 



BALLAST/BUOYANCY: Main and fairwater ballast tanks prouide 480 and 3,000 lb positive/negative buoyancv, respectively. 



PROPULSION/CONTROL: A stern-mounted, 1 1 -in. diam. propeller is driven by a 4-hp Bendix, 4,000 rpm, 30 amp motor. Propeller may be trained 



mechanically left or right and is reversible. 



TRIM: Ten 6 in. OD, 40-in.-long tanks of 48-lb capacity each may be vented or blown to adjust trim. 



POWER SOURCE: Four 6 V, 217-amp-hr. each lead-acid batteries provide 6, 12, or 24 V through a selector switch to provide main power supply 



Auxiliary power is from two 92-amp-hr each lead acid batteries. 



LIFE SUPPORT: Ot is earned in two 70-ft-^ capacity tanks at 2.200 psi with automatic flow adjustment. A blower circulates air through a soda 



sorb cannister to remove COt. 



VIEWING: Ten acrylic plastic viewports. Six are in the pressure hull forward area and are 4- in. ID, 8-in. OD and 2 in. thick. Four girdle the conning 



tower and one is in the hatch which is 2-in. ID, 4-in. OD and 1 in. thick. 



OPERATING/SCIENTIFIC EQUIPMENT: UQC (42 kHz), Bendix Magnesyn compass, depth gage, echo sounder, altimeter and differential pressure 



gage 



MANIPULATORS: None 



SAFETY FEATURES: Mechanically droppable keel (100 lb). Main and fairwater ballast tanks can be blown by divers from surface ship. Pressure 



hull can be pressurized and opened for emergency exit. 



SURFACE/SHORE SUPPORT: SOO 



OWNER: Previous owner: Anautics Inc.. San Diego, Calif. 



BUILDER: Same as above. 



STATUS: Sold in 1971 to Candive Ltd., Vancouver, B.C. and leased on long term basis to Arctic Marine. Ltd., Vancouver, B.C. who reconfigured it 



into the present SEA OTTER. 



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