HMS H4 explained
HMS H4 was a
British H-class submarine built by the
Canadian Vickers Co.,
Montreal. She was laid down on 11 January 1915 and was commissioned on 5 June 1915. After her commissioning, HMS
H4 and sister ships, and crossed the Atlantic from
St. John's,
Newfoundland to
Gibraltar being escorted by the armed merchant cruiser .
H4 sank the
U-boat in the
Adriatic on 23 May 1918. She was sold on 30 November 1921 in Malta.
Design
Like all pre-H11 British H-class submarines, H4 had a displacement of 364LT at the surface and 434LT while submerged.[1] It had a total length of 150feet, a beam of 15feet, and a draught of 12feet. It contained a diesel engines providing a total power of and two electric motors each providing power.[2] The use of its electric motors made the submarine travel at 11kn. It would normally carry 16.4LT of fuel and had a maximum capacity of 18LT.[3]
The submarine had a maximum surface speed of 13kn and a submerged speed of 11kn. British H-class submarines had ranges of 1600nmi.[1] H4 was fitted with a Hotchkiss quick-firing gun (6-pounder) and four torpedo tubes. Its torpedo tubes were fitted to the bows and the submarine was loaded with eight 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
- Book: Hutchinson . Robert . Jane's submarines : war beneath the waves from 1776 to the present day . 2001 . HarperCollins . London . 9780007105588.
Notes and References
- Web site: H-class. Battleships-Cruisers, Cranston Fine Arts. 20 August 2015.
- Retrieved from Naval-History on 20 August 2015.
- Web site: Building History and Technical Details for Canadian CC-Boats and the Original H-CLASS. Electric Boat Company Holland Patent Submarines. J. D. Perkins. 1999. 20 August 2015.