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fighting ships of the world

ROYAL NAVY (UNITED KINGDOM)

ESCORTS   

BLACKWOOD frigates (1955 - 1958)

Blackwood 1963

Hardy 1970

Exmouth 1975

Name No Yard No Builder Laid down Launched Comp Fate
Blackwood F78 4149 Thornycroft, Woolston 14/9/1953 4/10/1955 22/8/1957 BU 11/1976
Duncan F80 4150 Thornycroft, Woolston 17/12/1953 30/5/1957 21/10/1958 BU 2/1985
Dundas F48   White, Cowes 17/10/1952 25/9/1953 9/3/1956 BU 4/1983
Exmouth F84   White, Cowes 24/3/1954 16/11/1955 20/12/1957 BU 2/1979
Grafton F51   White, Cowes 25/2/1953 13/9/1954 11/1/1957 BU 12/1971
Hardy F54 2012 Yarrow, Scotstoun 4/2/1953 25/11/1953 15/12/1955 hulk 10/1979
Keppel F85 2013 Yarrow, Scotstoun 27/3/1953 31/8/1954 6/7/1956 BU 4/1979
Malcolm F88 2032 Yarrow, Scotstoun 1/2/1954 18/10/1955 12/12/1957 BU 8/1973
Murray F91 638 Stephen, Glasgow 30/11/1957 22/2/1955 5/6/1956 BU 8/1970
Palliser F94 639 Stephen, Glasgow 15/3/1955 10/5/1956 13/12/1957 BU 3/1983
Pellew F62 1829 Swan Hunter, Wallsend 5/11/1953 29/9/1954 26/7/1956 BU 4/1971
Russell F97 1831 Swan Hunter, Wallsend 11/11/1953 10/12/1954 7/2/1957 BU 7/1985

 

Displacement standard, t

1180

Displacement full, t

1535

Length, m

91.4 pp 94.5 oa

Breadth, m

10.7

Draught, m

4.70 max

No of shafts

1

Machinery

F78, 80: 1 set Thornycroft geared steam turbines, 2 Babcock & Wilcox boilers

F48, 51, 84: 1 set White geared steam turbines, 2 Babcock & Wilcox boilers

F54, 85, 88: 1 set Yarrow geared steam turbines, 2 Babcock & Wilcox boilers

F91, 94: 1 set Stephen geared steam turbines, 2 Babcock & Wilcox boilers

F62: 1 set Swan Hunter geared steam turbines, 2 Babcock & Wilcox boilers

F97: 1 set Wallsend Slipway & Eng geared steam turbines, 2 Babcock & Wilcox boilers

Power, h. p.

15000

Max speed, kts

27

Fuel, t

oil

Endurance, nm(kts)

4500(12)

Armament

F78, 84, 88, 94: 3 x 1 - 40/60 Mk 9, 2 x 3 - 305 Limbo Mk 10 ASWRL, 2 x 2 - 533 TT

F80, 48, 51, 54, 85, 91, 62, 97: 3 x 1 - 40/60 Mk 9, 2 x 3 - 305 Limbo Mk 10 ASWRL

Sensors

type 974, type 291 radars, type 174, type 170, type 162 sonars

Complement

140

Ship project history: The high unit cost of the Whitby design - £3.5m - led the Admiralty to consider cheaper vessels which could to be built more quickly: the result was the Type 14 (there was no Type 13), with the same ASW capacity as the Type 12, but with only half the power and virtually every other capability eliminated. All were ordered in March 1951.

    The result illustrates vividly die problems of building a 2nd rate frigate, for although the Blackwoods achieved exactly what the Staff Requirement demanded - good ASW qualities at half the cost of the Whitbys - they were not popular in the Navy. Described as a utility design (as against the 'quality' Type 12) they were mocked as 'futility frigates', for their single-mission design made them inflexible for peacetime use. What was ignored was the fact that if hostilities had broken out with the Soviet Union in the late 1950s (as many Western defence planners envisaged) there would have been an extra half dozen Type 14s and ten Type 16s. In ASW exercises the Blackwoods often proved superior to more sophisticated frigates, mainly because their inflexibility permitted them to be left to continue their ASW training to a high level, whereas other frigates frequently had their training programs interrupted.

    With only half the machinery of the Whitby class the designers had to go for finer lines and less weight to reach 25kts, and so the short forecastle reappeared. Although later strengthened after experiencing exceptionally heavy weather off Iceland. they proved very seaworthy, and many gave good service in the Fishery Protection Squadron.

Modernizations: late 1950s, Blackwood, Exmouth, Malcolm, Palliser: - 2 x 2 - 533 TT

early 1960s, all: - 1 x 1 - 40/60 (aft)

(1966-1968), Exmouth: was re-engined with COGAG installation: Rolls-Royce Olympus gas turbine (23200hp)+ 2 Rolls-Royce Proteus gas turbines (8500hp), geared to one shaft (31000hp summary), 28kts at full speed, 22kts under cruising turbines.

late 1960s, all: - type 291, type 974 radars; + type 978 radar

Naval service: No significant events.

Dundas 1973

Exmouth 1969

Ivan Gogin, 2015