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British G class submarine: Wikis

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G9 at Scapa.jpg
G class submarine. Photo: R N Submarine Museum, Gosport.
Class overview
Name: G
Builders: Chatham Dockyard, Armstrong Whitworth, Vickers, Scott's
Operators:  Royal Navy
Completed: 14
Cancelled: 1
Lost: 4
Retired: 10
General characteristics
Type: submarine
Displacement: Surfaced / Submerged: 703 tons / 837 tons
Length: 57.5 m
Beam: 6.92 m
Draught: 4.15 m
Propulsion:

Twin-shaft, 2 x 800 bhp Vickers diesel,

2 x 840 shp electric motors
Speed: Surfaced / Submerged: 14.5 knots (27 km/h) / 10.0 knots
Range: 44.14 tons of fuel oil giving 3,160 nm surfaced at 10 knots (19 km/h). 95 nm submerged, at 3 knots (6 km/h).
Complement: 31
Armament: Torpedoes: 2 x 18" bow tubes, 2 x 18" beam tubes, 1 x 21" stern tube. 10 torpedoes in total. Guns: 1 x 3" 10 cwt. Mk.1 Elswick Quick Fire High Angle {QFHA}, forward. 1 x 12 pdr. 8 cwt. Mk. 1 gun HA mounting, aft.

The Royal Navy's G-class of diesel/electric submarines were launched between 1914 and 1917, and intended for operations in the North Sea in World War I against German U-boats. A total of 14 boats were built at four yards: G1 to G5 by Chatham Dockyard, G6 & G7 by Armstrong Whitworth, G8 to G13 by Vickers, and G14 by Scott's on the Clyde. G15 was ordered from Samuel White's yard at Cowes, Isle of Wight, but cancelled. The class was distinguished by armament with the 21" torpedo, and the fitting of an electric oven in the galley. The G-class had their bows raised during the war to increase buoyancy and improve seakeeping.

Boats

    • G1 - Launched 14 August 1915. Sold for scrap 1920.
    • G2 - Launched 23 December 1915. Sank U-78 in the Skagerrak, 28 October 1918. Sold for scrap 1920.
    • G3 - Launched 22 January 1916. Sold for scrap 1920.
    • G4 - Launched 23 October 1915. Sold 1928.
    • G5 - Launched 23 November 1915. Sold 1922.
    • G6 - Launched 7 December 1915. Sold 1921.
    • G7 - Launched 14 March 1916. Last British submarine lost in WW1, on or about 23 October 1918, cause unknown.
    • G8 - Launched 1 May 1916. Lost in the North Sea for reasons unknown on or about 14 January 1918.
    • G9 - Launched 15 June 1916. Sunk in error by HMS Pasley [not HMS Petard as often quoted] on 16 September 1917. One survivor.
    • G10 - Launched 11 January 1916. Sold 1923.
    • G11 - Launched 22 February 1916. Wrecked on rocks off Howick, Northumberland, (not Harwich, Suffolk, as stated by some authorities) in thick fog, 22 November 1918. Two crew drowned while abandoning ship.
    • G12 - Launched 24 March 1916. Sold 1920.
    • G13 - Launched 18 July 1916. Sank UC-43 off Muckle Flugga, 10 March 1918. Sold 1923.
    • G14 - Launched 17 May 1917. Sold 1923.
    • G15 - Ordered 30 September 1914, cancelled 20 April 1915

See also

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