GUPPY 



LENGTH; 1 1 ft 



BEAM: 8 ft 



HEGITH: 7.5 ft 



DRAFT; 5.6 ft 



WEIGHT (DRY); 2.5 tons 



OPERATING DEPTH: 1,000 ft 



COLLAPSE DEPTH: 2,000 ft 



LAUNCH DATE; 1970 



HATCH DIAMETER: 20 in. 



LIFE SUPPORT (MAX): 72 man-hr 



TOTAL POWER: tethered 



SPEED (KNOTS): CRUISE 1 



MAX 3 



CREW; PILOTS, 1 



OBSERVERS 1 



PAYLOAD; 850 lb 



PRESSURE HULL: Spherical shape of HY 100 steel 66-in. ID and 0.5 in. thick. 



BALLAST/BUOYANCY; An internal, variable ballast tank controls surface draft and main ± buoyancy. Two lead shot hoppers (150 lb each) 



provide negative buoyancy and a 400-lb weight in the keel provides additional negative buoyancy. 



PROPULSION/CONTROL: Two port-starboard mounted 10-hp, 440-VAC, 1,140/560 rpm, reversible and rotatable (180° in the vertical) motors 



provide lateral and vertical maneuvering. 



TRIM: Fore and aft shot hoppers may be differentially emptied to obtain up/down bow angles. 



POWER SOURCE: Derived from 440-V surface generator through a 35-kW cable. 



LIFE SUPPORT: O2 cylinders carried within the hull. Ot, CO2 and temperature/humidity gages are also carried. 



VIEWING: Three viewports one 16-in. diam., 1 .25-in. -thick, hemispherical viewport is incorporated into the access hatch. Two 8-in.-diam., 



1-in. -thick, hemispherical ports look forward on the centerline. 



OPERATING/SCIENTIFIC EQUIPMENT: Hard line telephone, depth gage, inclinometer, corer. 



MANIPULATORS: None. 



SAFETY FEATURES: Mechanically releasable weight (400 lb). Shot hoppers can be emptied (300 lb). Vehicle can be retrieved by its power cable. 



Sixteen man-hr emergency breathing, fire extinguisher, surface flashing light. 



SURFACE SUPPORT: SOO. 



OWNER: Sun Shipbuilding and Dry Dock Co., Chester, Penna. 



BUILDER: Same as Owner. 



REMARKS: Has not operated for several years. 



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