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1916 J class submarine From Wikipedia, the free encyclopedia
HMS J5 (later HMAS J5) was a First World War J class submarine operated by the Royal Navy and the Royal Australian Navy.
.jpg) HMAS J5 in 1919 | |
| History | |
|---|---|
 United Kingdom | |
| Name | HMS J5 |
| Builder | HM Dockyard, Devonport |
| Launched | 9 September 1915 |
| Commissioned | 6 May 1916 |
| Fate | Transferred to Australia, 25 March 1919 |
| Australia | |
| Name | HMAS J5 |
| Acquired | 25 March 1919 |
| Decommissioned | 12 July 1922 |
| Fate | Sunk 4 June 1926 |
| General characteristics | |
| Class and type | British J class submarine |
| Displacement |
|
| Length | 275 ft (84 m) |
| Beam | 22 ft (6.7 m) |
| Draught | 14 ft (4.3 m) |
| Propulsion |
|
| Speed |
|
| Range | 4,000 nmi (7,400 km; 4,600 mi) at 12 kn (22 km/h; 14 mph) |
| Test depth | 300 ft (91 m) max[citation needed] |
| Complement | 44 personnel |
| Armament |
|
The J class was designed by the Royal Navy in response to reported German submarines with surface speeds over 18 knots (33 km/h; 21 mph).[1] They had a displacement of 1,210 tons surfaced, and 1,820 tons submerged.[1] Each submarine was 275 feet (84 m) in length overall, with a beam of 22 feet (6.7 m), and a draught of 14 feet (4.3 m).[1] The propulsion system was built around three propeller shafts; the J-class were the only triple-screwed submarines ever built by the British.[1] Propulsion came from three 12-cylinder diesel motors when on the surface, and electric motors when submerged.[1] Top speed was 19 knots (35 km/h; 22 mph) on the surface (the fastest submarines in the world at the time of construction), and 9.5 knots (17.6 km/h; 10.9 mph) underwater.[1] Range was 4,000 nautical miles (7,400 km; 4,600 mi) at 12 knots (22 km/h; 14 mph).[1]
Armament consisted of six 18 inch (450 mm) torpedo tubes (four forward, one on each beam), plus a 4-inch deck gun.[1] Originally, the gun was mounted on a breastwork fitted forward of the conning tower, but the breastwork was later extended to the bow and merged into the hull for streamlining, and the gun was relocated to a platform fitted to the front of the conning tower.[1] 44 personnel were aboard.[1]
J5 was built for the Royal Navy by HM Dockyard at Devonport in Plymouth.[2] J5 was launched on 9 September 1915 and commissioned on 6 May 1916.[citation needed]
She and the other J's were members of the 11th Submarine Flotilla. She served in the North Sea chiefly in operations against German destroyers and U-boats, most of encounters were with the latter. Although engaging several times with enemies, the closest she got to sinking the enemy was striking U-86 with a torpedo which did not explode.
After the war, the British Admiralty decided that the best way to protect the Pacific region was with a force of submarines and cruisers.[1] To this end, they offered the six surviving submarines of the J-class to the Royal Australian Navy as gifts.[1] J1 and her sisters were commissioned into the RAN in April 1919, and sailed for Australia on 9 April, in the company of the cruisers Sydney and Brisbane, and the tender Platypus.[1] J5 broke down while traversing the Red Sea, and had to be towed the rest of the way by Brisbane.[1] The flotilla reached Thursday Island on 29 June, and Sydney on 10 July.[1] Because of the submarines' condition after the long voyage, they were immediately taken out of service for refits.[1]
Apart from local exercises and a 1921 visit to Tasmania, the submarines saw little use, and by June 1922, the cost of maintaining the boats and deteriorating economic conditions saw the six submarines decommissioned and marked for disposal.[1]
J5 was paid off on 12 July 1922. She was sold on 26 February 1924 and after stripping, she, J1, and J2 were scuttled in the ship graveyard off Port Phillip Heads on 4 June 1926.
The wreck of J5 lies in 39 metres (128 ft) of water at 38°09′S 144°52′E and can be accessed by experienced divers.[3]
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