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UNITED KINGDOM
TORPEDO SHIPS
"C" and "D" destroyers (CRESCENT) (14, 1932 - 1933)


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Kempenfelt 1933

Ships


Name No Yard No Builder Laid down Launched Comp Fate Modification
Kempenfelt, 10/1939- Assiniboine (RCN 10/1939) D18,  I18   White, Cowes 10/1930 29/10/1931 10/1931 wrecked 10/11/1945 "C" group
Comet, 6/1938- Restigouche (RCN 6/1938) H00   Portsmouth DYd 9/1930 30/9/1931 6/1932 BU 11/1945 "C" group
Crescent, 2/1937- Fraser (RCN 2/1937) H48   Vickers-Armstrong, Barrow 2/1930 29/9/1931 4/1932 collision 25/6/1940 "C" group
Crusader, 6/1938- Ottawa (RCN 6/1938) H60   Portsmouth DYd 9/1930 30/9/1931 5/1932 sunk 14/9/1942 "C" group
Cygnet, 2/1937- St. Laurent (RCN 2/1937) H83   Vickers-Armstrong, Barrow 12/1930 29/9/1931 4/1932 BU 11/1945 "C" group
Duncan D99   Portsmouth DYd 9/1931 7/7/1932 4/1933 BU 11/1945 "D" group
Dainty H53   Fairfield, Govan 4/1931 3/5/1932 1/1933 sunk 24/2/1941 "D" group
Daring H16   Thornycroft, Woolston 6/1931 7/4/1932 11/1932 sunk 18/2/1940 "D" group
Decoy, 4/1943- Kootenay (RCN 4/1943) H75   Thornycroft, Woolston 6/1931 7/6/1932 4/1933 BU 1/1946 "D" group
Defender H07   Vickers-Armstrong, Barrow 6/1931 7/4/1932 10/1932 sunk 11/7/1941 "D" group
Delight H38   Fairfield, Govan 4/1931 2/6/1932 1/1933 sunk 29/7/1940 "D" group
Diamond H22   Vickers-Armstrong, Barrow 9/1931 8/4/1932 11/1932 sunk 27/4/1941 "D" group
Diana, 9/1940- Margaree (RCN 9/1940) H49   Palmers, Jarrow 6/1931 16/6/1932 12/1932 collision 22/10/1940 "D" group
Duchess H64   Palmers, Jarrow 6/1931 19/7/1932 1/1933 collision 12/12/1939 "D" group


Technical data


Max speed, kts, kn

36

Displacement standard, t

1375 - 1400

Displacement full, t

1865 - 1942 (later 2040 - 2100)

Length, m

96.9 pp 100.3 oa

Breadth, m

10.1

Draught, m

3.78 (later 3.96 - 4.06)

No of shafts

2

Machinery

2 sets Parsons geared steam turbines, 3 Admiralty 3-drum boilers

Kempenfelt: 2 sets Parsons geared steam turbines, 3 Yarrow boilers

Power, h. p.

36000

Fuel, t

oil 461 - 473

Endurance, nm(kts)5500(15)
Armament

"C": 4 x 1 - 120/45 QF Mk IX, 1 x 1 - 76/45 QF Mk I/II/III/IV, 2 x 1 - 40 2pdr QF Mk II, 2 x 4 - 533 TT, 3 DCR (6 DC), mechanical minesweeping gear

Kempenfelt: 4 x 1 - 120/45 QF Mk IX, 1 x 1 - 76/45 QF Mk I/II/III/IV, 2 x 1 - 40 2pdr QF Mk II, 2 x 4 - 533 TT

Duncan, Daring, Defender, Diamond, Diana: 4 x 1 - 120/45 QF Mk IX, 1 x 1 - 76/45 QF Mk I/II/III/IV, 2 x 1 - 40/39 2pdr QF Mk II, 2 x 4 - 533 TT, 2 DCT, 1 DCR (20 DC)

Dainty, Decoy, Delight, Duchess: 4 x 1 - 120/45 QF Mk IX, 1 x 1 - 76/45 QF Mk I/II/III/IV, 2 x 4 - 12.7/62, 2 x 4 - 533 TT, 2 DCT, 1 DCR (20 DC)

Electronic equipment

"C": type 119 sonar

"D": type 121 sonar

Complement

145 (Kempenfelt, Duncan 175)



Standard scale images


<i>St. Laurent</i> 1942
St. Laurent 1942
<i>Ottawa</i> 1940
Ottawa 1940
<i>Assiniboine</i> 1941
Assiniboine 1941


Graphics


<i>Kempenfelt</i> 1933
Kempenfelt 1933


Ship project history


These destroyers were built under 1929 ("C" class) and 1930 ("D" class) Programmes. Development of "A" class, for the account some the bigger dimensions are fuel stowage increased by 20%, new fire control system established and the antiaircraft armaments are strengthened. In order to avoid loss of speed because of the increased displacement machinery power was increased to 36 000hp.

Occurrence of new fire control system led to a enlarging of the superstructure, differing original splitting (chart room, forming director basis, has was on some distance from a bridge.

The antiaircraft 76mm gun as originally appeared should change 40mm pompoms, but in an ultimate variant they remained by the ships, however they have removed from a habitual position between funnels (where now 76mm gun was placed) on a forecastle deck.

In remaining "C" class differed few from the predecessors. By analogy to "A" class they received minesweeping equipment to the detriment of anti-submarine abilities, but a little bigger dimensions allowed to have sonar.

Leader Kempenfelt has continued originated in 1928 on "B" class tendency to standardization of the leader and destroyers and had a little bit increased aft superstructure with additional premises for a headquarters of the flotilla commander. The anti-submarine and minesweeping equipment were not established for the purpose of loads decrease.

Only 5 of planed 9 ships of "C" class were built, in connection with the economic crisis which has burst in 1929 building of four had cancelled.

The ships of the 1930 Programme ("D" class) were built on the same design as "C", difference consisted in strengthening of anti-submarine armament at the expense of removing of the minesweeping equipment and installation on part of the ships of 12.7mm quadruple machine guns instead of 40mm pompoms. Pompoms on "C" class are on a forecastle deck, on "D" class their place had chosen to the increased bridge wings leaning against massive steel pipes. The superstructure without exotic "splitting" became last feature.

Modernizations


1936 - 1938, all: - 1 x 1 - 76/45

late 1939 - early 1940, Assiniboine, Restigouche, Fraser, Ottawa, St. Laurent: - 2 DCR; + 2 DCT (50 DC for all)

mid-1940 - early 1941, Assiniboine, Restigouche, Ottawa, St. Laurent, Dainty, Decoy, Defender, Diamond, Duncan and, probably, Delight and Margaree: - 1 x 4 - 533 TT; + 1 x 1 - 76/45 QF Mk I/II/III/IV

mid-1940 - early 1941, Assiniboine, Restigouche, Ottawa, St. Laurent: - 2 x 1 - 40/39; + 2 x 4 - 12.7/62

1941, Decoy, Duncan and, probably, Defender: - 1 x 1 - 120/45; + 2 x 1 - 20/70 Oerlikon Mk II/IV, DC stowage increased up to 50

1941 - 1942, almost all survived: + type 271, type 286 radar

1942 - 1943, Duncan, Decoy: - 1 x 1 - 120/45, 2 x 4 - 12.7/62, type 121 sonar; + 4 x 1 - 20/70 Oerlikon Mk II/IV, 1 x 24 - 178 Hedgehog ASWRL, type 144 sonar

1942 - 1943, Restigouche, St. Laurent: - 2 x 1 - 120/45, 1 x 1 - 76/45, 2 x 4 - 12.7/62, type 119 sonar; + 2 x 1 - 57/40 6pdr Hotchkiss Mk I, 2 x 2 - 20/70 Oerlikon Mk II/IV, 2 x 1 - 20/70 Oerlikon Mk II/IV, 1 x 24 - 178 Hedgehog ASWRL, 2 DCT, DC stowage increased up to 50, type 144 sonar

1943, Assiniboine: - 1 x 1 - 120/45, 1 x 1 - 76/45, 2 x 4 - 12.7/62; + 2 x 2 - 20/70 Oerlikon Mk II/IV, 2 x 1 - 20/70 Oerlikon Mk II/IV, 2 x 12 - 178 Split Hedgehog Mk II ASWRL, 2 DCT, DC stowage increased up to 50, type 144 sonar

1943 - 1944, many survived: - type 286 radar; + type 291 radar

1944, all: + 4 DCT, 1 DCR (125 DC)

1944, Duncan, Kootenay: - 1 x 1 - 76/45, 1 x 24 - 178 Hedgehog ASWRL; + 1 x 1 - 120/45 QF Mk IX, 2 x 12 - 178 Split Hedgehog Mk II ASWRL

Naval service


Fraser was lost in a mouth of Gironde at collision with cruiser Calcutta 28/6/1940. Ottawa was sunk by German submarine U91 at coast of Canada 14/9/1942. Dainty 24/2/1941 was sunk by German Ju 88 bombers in harbour of Tobruk. Daring 18/2/1940 was sunk by German submarine U23 at coast of Northern Scotland. Defender 11/7/1941 was damaged by German aircraft at Tobruk and sunk at tow in Sidi-Barani area. Delight 29/7/1940 was badly damaged by German Ju 87 bombers at Portland, she was towed off in a port where has sunk at night 29-30/7/1940. Diamond 27/4/1941 was sunk by German Ju 88 bombers at Malea point (Greece). Margaree was lost at collision with s/s Port Fairy in Northern Atlantic 22/10/1940. Duchess 12/12/1939 sunk as a result of collision with battleship Barham at coast of Scotland. Duncan 17/1/1940 was damaged as a result of collision with a merchant vessel and repaired about one year. Assiniboine wrecked at Prince William Island 10/11/1945.