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fighting ships of the world

ROYAL NAVY (UNITED KINGDOM)

ESCORTS

"RIVER" (Australian-built) frigates

nearly sister-ship Jed 1944

Name No Builder Laid down Launched Comp Fate
Barcoo (RAN) K375 - F174 Cockatoo DYd, Australia 10/1942 26/8/1943 1/1944 BU 2/1972
Barwon (RAN) K406 - F402 Cockatoo DYd, Australia 5/1943 3/8/1944 1/1946 BU 8/1962
Burdekin (RAN) K376 - F403 Walkers, Maryborough, Australia 1/1942 30/6/1943 6/1944 BU 9/1961
Diamantina (RAN) K377 - F377 Walkers, Maryborough, Australia 4/1943 6/4/1944 4/1945 survey vessel 1959, preserved 2/1980
Gascoyne (RAN) K354 - F354 Morts Dock, Sydney, Australia 7/1942 20/2/1943 11/1943 survey vessel 1959, BU 2/1972
Hawkesbury (RAN) K363 - F363 Morts Dock, Sydney, Australia 8/1942 24/7/1943 7/1944 BU 2/1972
Lachlan (RAN) K364 - F364 Morts Dock, Sydney, Australia 3/1943 25/3/1944 2/1945 to New Zealand 10/1949 (Lachlan), BU 2/1975
Macquarie (ex-Culgoa) (RAN) K532 - F532 Morts Dock, Sydney, Australia 12/1943 3/3/1945 12/1945 BU 7/1972

 

 

 

Displacement standard, t

1310 - 1460

Displacement full, t

1920 - 2180

Length, m

86.3 pp 91.8 oa

Breadth, m

11.2

Draught, m

3.61 - 3.89 deep load

No of shafts

2

Machinery

VTE, 2 Admiralty 3-drum boilers

Power, h. p.

5500

Max speed, kts

20

Fuel, t

oil 646

Armament

Burdekin: 2 x 1 - 102/40 QF Mk XIX, 2 x 2 - 20/70 Oerlikon, (2 - 4) x 1 - 20/70 Oerlikon , 1 x 24 - 178 Hedgehog DCT, 8 DCT, 2 DCR (150)

Barcoo, Gascoyne, Hawkesbury: 2 x 1 - 102/45 QF Mk XVI HA, 2 x 2 - 20/70 Oerlikon, (2 - 4) x 1 - 20/70 Oerlikon , 1 x 24 - 178 Hedgehog DCT, 8 DCT, 2 DCR (150)

Barwon, Diamantina, Lachlan: 2 x 1 - 102/45 QF Mk XVI HA, (1 - 3) õ 1 - 40/56 Bofors, 1 x 24 - 178 Hedgehog DCT, 8 DCT, 2 DCR (150)

Macquarie: 1 x 2 - 102/45 QF Mk XVI HA, 2 x 3 - 305 Squid DCT, 8 DCT, 2 DCR (54)

Sensors

type 272, 291 radars, sonars

Complement

140

Ship project history: Design of "River" class frigate is developed in 1941 when it became clear, that for service in Atlantic escorts are required larger than "Flower" class corvettes. Significantly increased dimensions have allowed to improve seaworthiness and conditions of habitability of crew, to place additional armament and to fit twin-shaft machinery (actually doubled machinery of "Flower" class corvettes) and to increase speed to 20kts. An exception made 5 ships which have received more powerful turbine machinery.

Originally known as "twin-screw corvettes", "River" class ships, as well as their predecessors, created on standards of merchant shipbuilding, but their hulls had outlines more habitual for a warship, and its slenderness has increased from 6 to 8. Thus the building technology, as well as  corvettes, as much as possible adapted for usage on the yards which do not have experience of construction of combat ships.

The frigates were built also by Australia with a little differing from standard armament, consisting of two single 102mm. Later Australian ships had improved armament. Order for 10 units cancelled.

Modernizations: 1944, Burdekin: - 2 x 1 - 102/40; + 2 x 1 - 102/45 QF Mk XVI HA

1945, Barcoo, Hawkesbury: - 2 x 1 - 102/45, 2 x 2 - 20/70, (2 - 4) x 1 - 20/70, 1 x 24 - 178 Hedgehog DCT; + 1 x 2 - 102/45 QF Mk XVI HA, 1 x 1 - 40/56 Bofors, 2 x 3 - 305 Squid DCT, type 275 radar. DC stowage was decreased to 54.

Naval service: Diamantina was preserved in Brisbane.

      Burdekin 1946

 

 

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© Ivan Gogin, 2008-10