STAR I 



LENGTH: 10 ft HATCH DIAMETER: 19 in. 



BEAM: 4 ft LI FE SUPPORT (MAX): ISman-hr 



HEIGHT: 5.8 ft TOTAL POWER: 4.3 kWh 



DRAFT: NA SPEED (KNOTS): CRUISE 3/4/3 hr 



WEIGHT (DRY): 2,750 lb MAX 1/1 hr 



OPERATING DEPTH: 200 ft CREW: PILOTS 1 



COLLAPSE DEPTH: 400 ft OBSERVERS ., 



LAUNCH DATE: 1963 PAYLOAD: 200 lb 



PRESSURE HULL: Spherical shape 4 ft in diameter, 3/8 in. thick, A 212 grade B steel. Penetrations include two viewports, hatch and two shafts 



for rotating side pods. 



BALLAST/BUOYANCY: Six main seawater ballast tanks of 375-lb capacity. Ballast is blown by 144-ft3 (STP) air at 2,250 psi. Auxiliary ballast 



tank inside pressure hull to obtain fine buoyancy control. 



PROPULSION/CONTROL: Two side-mounted, rotatable, 0.25-hp, 24-VDC motors. Both steering and depth are controlled by rotating the motors 



and differentially controlling their speed. 



TRIM: None. 



POWER SOURCE: Two externally-mounted, pressure-compensated, 24-VDC, 72-amp-hr, lead-acid batteries for propulsion and one 12-VDC, 



72-amp-hr battery for instrumentation. Has carried experiemental fuel cell. 



LIFE SUPPORT: CO2 scrubber system with blower. Oj is carried in an 18-ft3 (STP) bottle. Emergency system consists of a scuba regulator which 



can be attached to the high pressure air supply or a scuba bottle. 



VIEWING: Two 7-in.-diam. flat plate plexiglass viewports on the centerline. Axis of one looks forward and up 15° above horizontal. The other 



looks down and forward 45 below the horizontal. 



OPERATING/SCIENTIFIC EQUIPMENT: UQC, directional gyro, echo sounder, depth gage, CB radio, avoidance sonar. 



MANIPULATORS: None. 



SAFETY FEATURES: Droppable weight of 200 lb. External salvage and air connections. Emergency breathing off main de-ballasting air or 



portable flask. 



SURFACE SUPPORT: SOO 



OWNER: Philadelphia Maritime Museum. 



BUILDER: General Dynamics Corp., Electric Boat Div., Groton, Conn. 



REMARKS: On display. 



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