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ROYAL NAVY - UNITED KINGDOM

SUBMARINES

"S" War Emergency and 1941 Programs" submarines (P211)

Spiteful 1945

 

Displacement standard, t	715
Displacement normal, t	842 / 990 Safari, Scotsman, Sea Devil: 814 / 990
Length, m	66.1
Breadth, m	7.24
Draught, m	4.22 - 4.47
No of shafts	2
Machinery	2 Admiralty diesels / 2 electric motors P222, Seraph, Shakespeare: 2 Vickers diesels / 2 electric motors
Power, h. p.	1900 / 1300
Max speed, kn	14.75 / 9
Fuel, t	diesel oil 67, later 92 Safari, Scotsman, Sea Devil: diesel oil 45, later Scotsman и Sea Devil: 85
Endurance, nm(kts)	6000(10) / Safari, Scotsman, Sea Devil: 4000(10) /
Armament	Sahib, Saracen, Satyr, Sceptre: 7 - 533 TT (6 bow, 1 ext stern, 13 torpedoes or 12 М2 mines), 1 x 1 - 76/45 QF Mk I HA, 3 x 1 - 12.7/62 Sea Dog, Sea Nymph, Sea Rover, Seraph, Shakespeare, Sibyl, Sickle, Simoom, Sirdar, Spiteful, Splendid, Sportsman, Shalimar, Spark, Spirit, Statesman, Stoic, Stonehenge, Storm,  Stratagem, Strongbow, Stubborn, Surf, Syrtis: 7 - 533 TT (6 bow, 1 ext stern, 13 torpedoes or 12 М2 mines), 1 x 1 - 76/45 QF Mk I HA, 1 x 1 - 20/70 Oerlikon Scotsman, Scythian, Sea Devil: 6 - 533 TT (6 bow,12 torpedoes or 12 М2 mines), 1 x 1 - 102/40 QF Mk XII, 1 x 1 - 20/70 Oerlikon Safari, P222: 6 - 533 TT (6 bow, 12 torpedoes or 12 М2 mines), 1 x 1 - 76/45 QF Mk I HA, 3 x 1 - 12.7/62
Sensors	submarines completed in 1942 - 1944: type 291W radar, sonars submarines completed in 1944 - 1945: type 267QW radar, sonars
Complement	48
Diving depth operational, m	95 Scotsman, Sea Devil: 110

Ship project history: Development of Shark class. 5 submarines were built under "Emergency war program", 13 under 1940 program, 15 under 1941 program. In comparison with pre-war boats of "S" class, bulkheads are fulfilled welded and fuel stowage at the expense of storage of part of fuel in specially arranged  ballast tanks is increased. Two last boats of the 1941 program had all-welded pressure hull, that has raised an operational diving depth to 110m.

Majority of submarines had additional seventh TT out of a pressure hull. During or already after completion all ships have even more increased fuel stowage at the expense of improvement of ballast tanks construction: on 40 or 25t.

Modernizations: 1943 - 1944, survived early submarines: + 1 x 1 - 20/70 Oerlikon

1944 - 1945, Strongbow: - 1 - 533 TT (ext stern) (12 torpedoes totally)

late 1940s, most submarines: - 1 x 1 - 76/45 or 1 x 1 - 102/40

Naval service: Р222 was sunk by DCs of Italian destroyer Fortunale at Naples 12/12/1942. Splendid was sunk by DCs of German destroyer ZG3 Hermes at Corsica 21/4/1943. Sahib was sunk by DCs of Italian corvette Gabbiano at Sicily 24/4/1943. Saracen was sunk by DCs of Italian corvette Minerva in Mediterranean sea 14/8/1943. Simoom was sunk 15/11/1943 by German submarine U565 in Mediterranean sea. Stonehenge was lost 20/3/1944 for the unknown reason in strait of Malacca (Indian ocean). Syrtis was lost 28/3/1944 on a mine at Norway. Sickle was lost 14/6/1944 in Mediterranean sea (possibly on a mine). Stratagem was sunk 22/11/1944 by DCs of Japanese patrol ship in strait of Malacca. Stubborn was sunk in 1946 as a target. Seraph in September 1944 was converted to high speed underwater target. Hull and casing were streamlined, new higher capacity batteries, up-rated motors and "T" class propellers were installed. Maximal speed increased up to 12.5kts at periscope depth and 16.7kts surfaced. Later Sceptre, Satyr and Statesman were so converted. Seraph and Scotsman were used for trials after war. Safari foundered 8/1/1946 in unmanned condition being towed to breakers.

       Storm 1944

       Seraph 1948

 

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