HMS H44

HMS H44 was an H-class submarine of the Royal Navy. She was built by Armstrong Whitworth and launched on 17 February 1919. She served in the Second World War. She had a complement of twenty-two crew members. She was sold in 1944 and was broken up at Troon in February 1945.

HMS H44
History
United Kingdom
Name: HMS H44
Builder: Armstrong Whitworth
Launched: 17 February 1919
Commissioned: 15 April 1920
Fate: Sold in 1944; broken up in February 1945
General characteristics
Class and type: H-class submarine
Displacement: 423 tons surfaced (510 tons submerged)
Length: 171 ft 0 in (52.12 m)
Beam: 15 ft 4 in (4.67 m)
Propulsion: 480 hp (360 kW) diesel, 2 x 620 hp (460 kW) electric
Speed:
  • 11.5 knots (21.3 km/h; 13.2 mph) surfaced
  • 9 knots (17 km/h; 10 mph) submerged
Range:
  • 2,985 nautical miles (5,528 km; 3,435 mi) at 7.5 knots (13.9 km/h; 8.6 mph) on surface
  • 130 nautical miles (240 km; 150 mi) at 2 knots (3.7 km/h; 2.3 mph) submerged
Complement: 22
Armament:

Design

Like all post-H20 British H-class submarines, H44 had a displacement of 440 tonnes (490 short tons) at the surface and 500 tonnes (550 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 metres (39 ft).[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 10.5 knots (19.4 km/h; 12.1 mph). Post-H20 British H-class submarines had ranges of 2,985 nautical miles (5,528 km; 3,435 mi) at speeds of 7.5 knots (13.9 km/h; 8.6 mph) when surfaced.[1][3] H44 was fitted with an anti-aircraft gun and four 21 inches (530 mm) torpedo tubes. Its torpedo tubes were fitted to the bows and the submarine was loaded with eight 21 inches (530 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]

See also
  • List of submarines of the Second World War

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


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