HMS ''K9'' was a K class

submarine A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.) The term "submarine" is also sometimes used historically or infor ...

built by

Vickers Vickers was a British engineering company that existed from 1828 until 1999. It was formed in Sheffield as a steel foundry by Edward Vickers and his father-in-law, and soon became famous for casting church bells. The company went public in 18 ...

Barrow-in-Furness Barrow-in-Furness is a port town and civil parish (as just "Barrow") in the Westmorland and Furness district of Cumbria, England. Historic counties of England, Historically in the county of Lancashire, it was incorporated as a municipal borou ...

. ''K9'' was laid down on 28 June 1915. She was commissioned on 9 May 1917. In 1921, ''K9'' was placed in reserve. ''K9'' was sold in Charlestown on 23 July 1926. It had a complement of fifty-nine crew members and a length of .

Design

Like all

British K-class submarine The K-class submarines were a class of steam-propelled submarines of the Royal Navy designed in 1913. Intended as large, fast vessels with the endurance and speed to operate with the Naval fleet, battle fleet, they gained notoriety and the ni ...

s, ''K9'' had a displacement of when at the surface and while submerged. It had a total length of , a beam of , and a draught of . The submarine was powered by two oil-fired

Yarrow Shipbuilders Yarrow Shipbuilders Limited (YSL), often styled as simply Yarrows, was a major shipbuilding firm based in the Scotstoun district of Glasgow on the River Clyde. It is now part of BAE Systems Surface Ships, owned by BAE Systems, which has also o ...

boilers and one geared Brown-Curtis or Parsons steam turbine; this developed 10,500 ship horsepower (7,800 kW) to drive two screws. It also contained four electric motors each producing . It was also fitted with a diesel engine providing to be used when steam was being raised, or instead of raising steam. The submarine had a maximum surface speed of and a submerged speed of . It could operate at depths of at for . ''K9'' was fitted with a

anti-aircraft gun Anti-aircraft warfare (AAW) is the counter to aerial warfare and includes "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It encompasses surface-based, subsurface ( submarine-launched), and air-ba ...

, ten

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...

s, and two

deck gun A deck gun is a type of naval artillery mounted on the deck of a submarine. Most submarine deck guns were open, with or without a shield; however, a few larger submarines placed these guns in a turret. The main deck gun was a dual-purpose w ...

s. Its torpedo tubes were fitted to the bows, the midship section, and two were mounted on the deck. Its

complement Complement may refer to: The arts * Complement (music), an interval that, when added to another, spans an octave ** Aggregate complementation, the separation of pitch-class collections into complementary sets * Complementary color, in the visu ...

was fifty-nine crew members.

References

Bibliography

* {{DEFAULTSORT:K09 Ships built in Barrow-in-Furness British K-class submarines Royal Navy ship names 1916 ships