US Navy Sargo class submarine

The lead boat of the class was laid down on May 12, 1937, at Electric Boat Co., Groton, CT.; launched, June 6, 1938; commissioned USS Sargo (SS-188), February 7, 1939;




Specifications, Sargo class:

Displacement (srf/sub tons): 1,450/2,350            
Dimensions (L*B*D feet): 310`6*27`1*13`8
Propulsion: diesel-electric, 4*Hoover, Owens, Rentschler Co. diesel engines, (replaced in 1943-1944 with four General Motors 278A diesel engines) diesel/generator sets 5,500 hp, 4* General Electric Co. electric main motors with 2,740hp, reduction gear, two 126-cell main storage batteries, two propellers
Speed (srf/sub knots): 20.0/8.75
Range (srf/sub n/miles@knots): 11,000@10/96@2
Diving depth (feet): 250
Complement: 5 officers 54 enlisted
Torpedo: 4*21" bow torpedo tubes, 4*21" stern torpedo tubes, total of 24 torpedoes (20 internal and 4 external – later on removed)
Mines: none
Armament: 1*3"/50 main deck gun, 2*0.5 cal. AA machine guns, 2*0.30 cal. machine guns

Construction
A total of 10 boats ordered between 1937 and 1938; constructed by the Electric Boat Co. (SS-188 to 190, 194 and 195), Portsmouth Navy Yard, N.H. (SS-191, 192, 196 and 197) and the Mare Island Navy Yard, Vallejo, Calif. (SS-193).

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