Spanish Navy B-class submarine   Specifications, B-2, B class: The boat was laid down on August 24, 1917, at SECN-Sociedad Espagnola de Construcciones Navales, Cartagena, launched, October 10, 1925; and commissioned, June 1st, 1922. Displacement (srf/sub tons): 556/740             Dimensions (L*B*D meter): 64.1*5.6*5.2 Propulsion: 2*700hp Nlseco diesel engines, 2*210hp electric motors for submergence, driving two shafts Speed (srf/sub knots): 16/10.5 Range (srf/sub n/miles@knots): 8,000@10.5/125@4.5 Diving depth (feet): 200 Complement: 28 officers and enlisted Torpedo: 2*14" (450mm) bow torpedo tubes,2*14" stern torpedo tubes, total of 8 torpedoes Mines: none Armament: 1*76mm AA gun Construction Six boats were built in this class, B-1 to B-6, all by SECN-Sociedad Espagnola de Construcciones Navales, Cartagena, launched from 1921 to 1923. Back to History Index   Image Country Year Description Spain 1938 Submarine B-2 Spain 1938 Submarine B-2 Spain 1938 Submarine B-2