HMS H9

HMS H9 was a British H-class submarine built by the Canadian Vickers Co., Montreal. She was laid down on an unknown date and commissioned in June 1915. Launched by J. Grace Gardner at Montréal on 22 May 1915 (according to the ship's bell).

HMS H4, another submarine of the same class
History
United Kingdom
Name: HMS H9
Builder: Canadian Vickers
Launched: 22 May 1915
Commissioned: June 1915
Fate: Sold, 30 November 1921
General characteristics
Class and type: H class submarine
Displacement:
  • 363 long tons (369 t) surfaced
  • 434 long tons (441 t) submerged
Length: 150 ft 3 in (45.80 m)
Beam: 15 ft 4 in (4.67 m)
Propulsion:
Speed:
  • 13 knots (24 km/h; 15 mph) surfaced
  • 10 knots (19 km/h; 12 mph) submerged
Range:
  • 1,600 nmi (3,000 km) at 10 kn (19 km/h; 12 mph) surfaced
  • 130 nmi (240 km) at 2 kn (3.7 km/h; 2.3 mph) submerged
Complement: 22
Armament:

HMS H9 was sold on 30 November 1921 in Malta. It had a complement of twenty-two crew members, a length of 171 feet (52 m), and a surfaced range of 1,600 nautical miles (3,000 km; 1,800 mi) at 10 knots (19 km/h; 12 mph).

Design

Like all pre-H11 British H-class submarines, H9 had a displacement of 364 tonnes (401 short tons) at the surface and 434 tonnes (478 short tons) while submerged.[1] It had a total length of 171 feet (52 m),[2] a beam length of 15 feet 4 inches (4.67 m), and a draught length of 12 feet (3.7 m).[3] It contained a diesel engines providing a total power of 480 horsepower (360 kW) and two electric motors each providing 320 horsepower (240 kW) power.[3] The use of its electric motors made the submarine travel at 11 knots (20 km/h; 13 mph). It would normally carry 16.4 tonnes (18.1 short tons) of fuel and had a maximum capacity of 18 tonnes (20 short tons).[4]

The submarine had a maximum surface speed of 13 knots (24 km/h; 15 mph) and a submerged speed of 11 knots (20 km/h; 13 mph). British H-class submarines had ranges of 1,600 nautical miles (3,000 km; 1,800 mi) at speeds of 10 knots (19 km/h; 12 mph).[1] H9 was fitted with a 6 pounds (2.7 kg) Hotchkiss quick-firing gun (6-pounder) and four 18 inches (460 mm) torpedo tubes. Its torpedo tubes were fitted to the bows and the submarine was loaded with eight 18 inches (460 mm) torpedoes.[1] It is a Holland 602 type submarine but was designed to meet Royal Navy specifications. Its complement was twenty-two crew members.[1]

References
  1. "H-class". Battleships-Cruisers, Cranston Fine Arts. Retrieved 20 August 2015.
  2. Derek Walters (2004). The History of the British 'U' Class Submarine. Casemate Publishers. pp. 2–. ISBN 978-1-84415-131-8.
  3. Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8. Retrieved from Naval-History on 20 August 2015.
  4. J. D. Perkins (1999). "Building History and Technical Details for Canadian CC-Boats and the Original H-CLASS". Electric Boat Company Holland Patent Submarines. Retrieved 20 August 2015.

Bibliography
  • Hutchinson, Robert. Submarines, War Beneath The Waves, From 1776 To The Present Day.


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