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ROYAL NAVY - UNITED KINGDOM

SUBMARINES

"T" War Emergency and 1940 Programs" submarines (THRASHER) (1941 - 1943)

Thrasher 1945   

Name No Builder Laid down Launched Comp Fate
War Emergency program
Tempest N86 Cammell Laird, Birkenhead 1/1940 10/6/1941 12/1941 sunk 13/2/1942
Thorn N11 Cammell Laird, Birkenhead 1/1940 18/3/1941 8/1941 sunk 6/8/1942
Thrasher N37 Cammell Laird, Birkenhead 11/1939 28/11/1940 5/1941 BU 3/1947
Traveller N48 Scotts, Greenock 1/1940 27/8/1941 4/1942 sunk 8/12/1942
Trooper N91 Scotts, Greenock 51940 5/3/1942 8/1942 sunk 10/10/1943
Trusty N45 Vickers-Armstrong, Barrow 3/1940 14/3/1941 7/1941 BU 1/1947
Turbulent N98 Vickers-Armstrong, Barrow 3/1940 12/5/1941 12/1941 sunk 14/3/1943
1940 program
P311 (ex-Tutankhamen) P91 - P311 Vickers-Armstrong, Barrow 4/1941 5/3/1942 8/1942 sunk 31/12/1942
P314, 1/1943- Tactician P94 - P314 - S 14 Vickers-Armstrong, Barrow 11/1941 29/7/1942 11/1942 BU 12/1963
Tally-Ho P317 - S 87 Vickers-Armstrong, Barrow 3/1942 23/12/1942 4/1943 BU 2/1967
Tantalus P318 Vickers-Armstrong, Barrow 6/1942 24/2/1943 6/1943 BU 11/1950
Tantivy P319 Vickers-Armstrong, Barrow 7/1942 6/4/1943 7/1943 sunk as target 1951
P313, 1/1943- Taurus P313 - S 39 Vickers-Armstrong, Barrow 9/1941 27/6/1942 11/1942 to Netherlands 6/1948 - 6/1953 (Dolfijn), BU 4/1960
Templar P316 Vickers-Armstrong, Barrow 12/1941 26/10/1942 2/1943 sunk as target 1954
P312, 1/1943- Trespasser P312 - S 12 Vickers-Armstrong, Barrow 9/1941 29/5/1942 9/1942 BU 9/1961
P315, 1/1943- Truculent P315 Vickers-Armstrong, Barrow 12/1941 12/9/1942 12/1942 collision 12/1/1950

 

Displacement standard, t

1090

Displacement normal, t

1327 / 1575

Tempest, Thorn, Thrasher, Traveller, Trooper, Trusty, Turbulent, P311: 1327 / 1567

Length, m

83.8

Tempest, Thorn, Thrasher, Traveller, Trooper, Trusty, Turbulent, P311: 83.3

Breadth, m

8.10

Draught, m

4.44 - 4.52

No of shafts

2

Machinery

2 Vickers diesels / 2 electric motors

Traveller, Trooper: 2 Admiralty diesels / 2 electric motors

Tempest, Thorn, Thrasher: 2 Sulzer diesels / 2 electric motors

Power, h. p.

2500 / 1450

Max speed, kn

15.25 / 9

Fuel, t

diesel oil 129

Tempest, Thorn, Thrasher, Traveller, Trooper, Trusty, Turbulent, P311: diesel oil 132

Tactician, Tally Ho, Tantalus, Tantivy, Taurus: diesel oil up to 215

Endurance, nm(kts)

8000(10) /

Armament

11 - 533 TT (6 bow, 2 ext bow, 3 ext stern, 17 torpedoes or 18 M2 mines), 1 x 1 - 102/40 QF Mk XII, 1 x 1 - 20/70 Oerlikon Mk II/IV, 3 x 1 - 12.7/62

Sensors

submarines completed in 1941 - 1942: type 286PW radar, sonars

submarines completed in 1942 - 1943: type 291W radar, sonars

Complement

61

Diving depth operational, m

95

Ship project history: Repetition of pre-war design of "" class, differed that at once they received additional stern TT out of a pressure hull and 20mm AA MG. Bulkheads were welded. Submarines of 1940 program (except lead 311) had two bow outer TT displaced aft on 2.1m that has allowed to moderate their fin size and to moderate a hull length a little. It removed a lack revealed during service of early "" class submarines when on cruising depth the submarine could be unmasked by the small breaker formed at a flow by water of a massive bow TT bulb.

5 boats of 1940 program had fuel stowage increased to 215t at the expense of usage of ballast tanks to carry diesel oil which originally were riveted, later welded. Surface endurance with full surface displacement (1442t) had as a result increased to 11000(10)nm.

Modernizations: 1942, Trooper, P311: + 3 Chariot human torpedoes

1944 - 1945, Trusty, Tally Ho, Templar: - 1 x 1 - 102/40 QF Mk XII; + 1 x 1 - 102/40 QF Mk XXII

1/1946, Thrasher, Tactician, Tantalus, Tantivy, Taurus, Trespasser, Truculent: 1 x 1 - 102/40 S Mk I, 1 x 1 - 20/70 Mk IIA S/M, 11 - 533 TT

1/1946, Trusty, Tally-Ho, Templar: 1 x 1 - 102/40 S Mk I, 1 x 1 - 20/70 Mk IIA S/M, 11 - 533 TT

early 1950s, all survived: - 1 x 1 - 20/70

Naval service: Tempest was sunk 13/2/1942 by DCs of Italian torpedo boat Circe at Taranto. Thorn was sunk 6/8/1942 by DCs of Italian torpedo boat Pegaso in Mediterranean sea. Traveller was lost (possibly, on a mine at Taranto) 8/12/1942. Trooper was sunk by a mine 10/10/1943 at Leros island. Turbulent was lost on a mine 14/3/1943 at Sardinia. 311 was lost 31/12/1942 on a mine. Truculent collided with Swedish tanker Divina, was salvaged two months later and broken up.

Truculent 1945

Ivan Gogin, 2008-15