Difference between revisions of "BPL 1911 g-class submarine"

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==See Also==
 
==See Also==
 
[[Ships of Far Eastern Imperial Navy 1920|Ships of Far Eastern Imperial Navy 1920]]<br>
 
[[Ships of Far Eastern Imperial Navy 1920|Ships of Far Eastern Imperial Navy 1920]]<br>

Revision as of 04:58, 27 March 2020

Image:BPL 1911 g Image:BPL 1911 g Patch 2

BPL 1911 g-class Submarine
Class overview
Name BPL 1911 g-class Submarine
Operators Far Eastern Imperial Navy
Planned 36
Built 32
Building 4
General Characteristics
Type Submarine
Displacement
  • 621 tons surfaced
  • 994 tons submerged
Length 70.1 metres (230 ft)
Beam 6.5 metres (21 ft)
Draught 3.5 metres (11 ft)
Propulsion
  • 2 shafts
  • Diesel-electric propulsion
  • 4 diesel engines (2 per shaft)
Power
  • 640 hp (480 kW) (diesel)
  • 900 hp (670 kW) (electric)
  • Speed
  • 9.5 knots (17.6 km/h; 10.9 mph) surfaced
  • 11.5 knots (21.3 km/h; 13.2 mph) submerged
  • Range
  • 12 days, 3500 miles at 6.5 knots
  • 103 miles under water at 4 knots
  • Complement 47
    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. To accompany the smaller coastal-submarines (LPL 1911 g), plans were made to introduce a proper ocean-going submarine as well. As with the coastal type, Far Eastern Empire turned for the help of the American company Electric boat co. for the development of the new submarine. Unlike with the coastal submarine, all units of the ocean-going submarine were to be build in Far Eastern shipyards. The boat were based on the Holland 31A design and it became the standard submarine type of the Far Eastern Imperial Navy.

    Characteristics

    Double-hull design with the hull separated by flat bulkheads into several compartments. Very similar to contemporary Russian "Narval"-class also based on the Holland-design. Initially these boats were to be powered by two large diesel engines, one per shaft but the lack of suitable engines forced to adopt 4 smaller domestic diesel engines. This led the boats to have somewhat low performance regarding surface speed particularly.

    Ships in class

    Patch 1
    Name Builder Laid down Launch Date Entered Service Fate
    PL-15 Witte & Stroganov, Dalny January 1912 April 1913 February 1914 Extant in 1920
    PL-16 Witte & Stroganov, Dalny January 1912 April 1913 October 1914 Extant in 1920
    PL-17 Witte & Stroganov, Dalny January 1912 April 1913 October 1914 Extant in 1920
    PL-18 Witte & Stroganov, Dalny February 1912 April 1913 February 1915 Extant in 1920
    PL-19 Witte & Stroganov, Dalny February 1912 May 1913 March 1915 Extant in 1920
    PL-20 Witte & Stroganov, Dalny March 1912 May 1913 March 1915 Extant in 1920
    PL-21 Witte & Stroganov, Dalny March 1912 June 1913 April 1915 Extant in 1920
    PL-22 Witte & Stroganov, Dalny March 1912 June 1913 April 1915 Extant in 1920
    PL-23 Witte & Stroganov, Dalny April 1912 July 1913 April 1915 Extant in 1920
    Patch 2
    Name Builder Laid down Launch Date Entered Service Fate
    PL-40 Witte & Stroganov, Dalny May 1913 August 1914 February 1915 Extant in 1920
    PL-41 Witte & Stroganov, Dalny May 1913 August 1914 February 1915 Extant in 1920
    PL-42 Witte & Stroganov, Dalny May 1913 August 1914 February 1915 Extant in 1920
    PL-43 Witte & Stroganov, Dalny June 1913 August 1914 March 1915 Extant in 1920
    PL-44 Witte & Stroganov, Dalny June 1913 September 1914 March 1915 Extant in 1920
    PL-45 Witte & Stroganov, Dalny June 1913 September 1914 March 1915 Extant in 1920
    PL-46 Witte & Stroganov, Dalny July 1913 October 1914 April 1915 Extant in 1920
    PL-47 Witte & Stroganov, Dalny July 1913 October 1914 April 1915 Extant in 1920
    PL-48 Witte & Stroganov, Dalny July 1913 October 1914 April 1915 Extant in 1920
    PL-49 Witte & Stroganov, Dalny August 1913 November 1914 May 1915 Extant in 1920
    PL-50 Witte & Stroganov, Dalny August 1913 November 1914 May 1915 Extant in 1920
    PL-51 Witte & Stroganov, Dalny August 1913 November 1914 May 1915 Extant in 1920
    PL-52 Port Artur Verf, Port Arthur July 1914 September 1915 May 1916 Extant in 1920
    PL-53 Port Artur Verf, Port Arthur July 1914 September 1915 May 1916 Extant in 1920
    PL-54 Port Artur Verf, Port Arthur August 1914 October 1915 June 1916 Extant in 1920
    PL-55 Port Artur Verf, Port Arthur August 1914 October 1915 July 1916 Extant in 1920
    PL-56 Port Artur Verf, Port Arthur September 1914 November 1915 July 1916 Extant in 1920
    PL-57 Port Artur Verf, Port Arthur September 1914 December 1915 August 1916 Extant in 1920
    PL-58 Port Artur Verf, Port Arthur October 1914 January 1916 September 1916 Extant in 1920
    PL-59 Port Artur Verf, Port Arthur October 1914 January 1916 September 1916 Extant in 1920
    PL-60 Port Artur Verf, Port Arthur November 1914 January 1916 September 1916 Extant in 1920
    PL-61 Port Artur Verf, Port Arthur December 1914 February 1916 October 1916 Extant in 1920


    See Also

    Ships of Far Eastern Imperial Navy 1920