LPL 1911 g-class submarine

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Image:LPL 1911 g

LPL 1911 g-class Submarine
Class overview
Name LPL 1911 g-class Submarine
Operators Far Eastern Imperial Navy
Class before PL 1907 g-class submarine
Planned 27
Built 27
General Characteristics
Type Submarine
Displacement
  • 313 long tons (318 t) surfaced
  • 373 long tons (379 t) submerged
Length 45.8 metres (150 ft)
Beam 4.83 metres (15.8 ft)
Draught 3.7 metres (12 ft)
Propulsion
  • Diesel/electric
  • 2 × diesel engine
  • 2 × electric motors
  • 2 × 60-cell(electrical)batteries
  • 2 × shafts
Power
  • 950 hp (710 kW) (diesel engines)
  • 600 hp (450 kW) (electric motors)
    • Speed
  • 14 knots (26 km/h; 16 mph) surfaced
  • 10.5 knots (19.4 km/h; 12.1 mph) submerged
    • Range

    2,300 nmi (4,300 km) at 11 kn (20 km/h; 13 mph) surfaced

    • 100 nmi (190 km) at 5 kn (9.3 km/h; 5.8 mph) submerged
    Test depth 61 m
    Complement 25
    Armament


    Development

    After the Far Eastern-Japanese war, the Imperial Navy begun massive fleet reconstruction program which was drafted after extensive studies of the war experience. One of the new emphasis in the building program was construction of submarines. As the navy was not completely satisfied with the earlier Lake-design PL 1907 g class, new order of for medium size submarines were given. This time Far Eastern Empire approached another American submarine designer, The Electric boat co. The American company offered similar submarine that was being build for Chile at the time. However Far Eastern Imperial Navy did not approve the design due its shortcomings and only after some redesign the construction of 4 boats was authorized. The initial patch of 4 were build in Seattle Construction and Drydock Company but the contract consisted plans and assistance consulting for future boats to be build in Far Eastern shipyards. Total of 27 boats were ordered of which 23 boats were build in domestic yards.

    Characteristics

    Small coastal submarines, single-hull construction. Had moderately good handling characteristics and were well liked in service.

    Ships in class

    All dates given are New Style:

    Patch 1
    Name Builder Laid down Launch Date Entered Service Fate
    PL-11 Seattle Construction and Drydock Company, Seattle May 1912 June 1913 July 1914 Extant in 1920
    PL-12 Seattle Construction and Drydock Company, Seattle May 1912 June 1913 August 1914 Extant in 1920
    PL-13 Seattle Construction and Drydock Company, Seattle June 1912 August 1913 August 1914 Extant in 1920
    PL-14 Seattle Construction and Drydock Company, Seattle June 1912 August 1913 September 1914 Extant in 1920

    All dates given are New Style:

    Patch 2
    Name Builder Laid down Launch Date Entered Service Fate
    PL-24 Port Artur Verf, Port Arthur April 1913 June 1914 September 1915 Extant in 1920
    PL-25 Port Artur Verf, Port Arthur May 1913 June 1914 September 1915 Extant in 1920
    PL-26 Port Artur Verf, Port Arthur June 1913 July 1914 September 1915 Extant in 1920
    PL-27 Port Artur Verf, Port Arthur July 1913 August 1914 October 1915 Extant in 1920
    PL-28 Port Artur Verf, Port Arthur August 1913 August 1914 November 1915 Extant in 1920
    PL-29 Port Artur Verf, Port Arthur September 1913 August 1914 December 1915 Extant in 1920
    PL-30 Port Artur Verf, Port Arthur October 1913 September 1914 January 1916 Extant in 1920
    PL-31 Port Artur Verf, Port Arthur November 1913 October 1914 February 1916 Extant in 1920
    PL-32 Tikhookeanskaya verf, Vladivostok February 1914 March 1915 May 1916 Extant in 1920
    PL-33 Tikhookeanskaya verf, Vladivostok March 1914 April 1915 June 1916 Extant in 1920
    PL-34 Tikhookeanskaya verf, Vladivostok April 1914 May 1915 July 1916 Extant in 1920
    PL-35 Tikhookeanskaya verf, Vladivostok May 1914 June 1915 August 1916 Extant in 1920
    PL-36 Tikhookeanskaya verf, Vladivostok June 1914 June 1915 September 1916 Extant in 1920
    PL-37 Tikhookeanskaya verf, Vladivostok July 1914 June 1915 September 1916 Extant in 1920
    PL-38 Tikhookeanskaya verf, Vladivostok August 1914 July 1915 October 1916 Extant in 1920
    PL-39 Tikhookeanskaya verf, Vladivostok September 1914 July 1915 October 1916 Extant in 1920

    All dates given are New Style:

    Patch 3
    Name Builder Laid down Launch Date Entered Service Fate
    PL-62 Khabarovskiy sudostroitelnyy zavod, Khabarovsk May 1915 June 1916 July 1917 Extant in 1920
    PL-63 Khabarovskiy sudostroitelnyy zavod, Khabarovsk June 1915 July 1916 August 1917 Extant in 1920
    PL-64 Khabarovskiy sudostroitelnyy zavod, Khabarovsk July 1915 August 1916 September 1917 Extant in 1920
    PL-65 Khabarovskiy sudostroitelnyy zavod, Khabarovsk August 1915 September 1916 October 1917 Extant in 1920
    PL-66 Khabarovskiy sudostroitelnyy zavod, Khabarovsk Septemeber 1915 October 1916 November 1917 Extant in 1920
    PL-67 Khabarovskiy sudostroitelnyy zavod, Khabarovsk October 1915 November 1916 December 1917 Extant in 1920
    PL-68 Khabarovskiy sudostroitelnyy zavod, Khabarovsk November 1915 April 1917 May 1918 Extant in 1920

    See Also

    Ships of Far Eastern Imperial Navy 1920

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