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fighting ships of the world

ROYAL NAVY - UNITED KINGDOM

CRUISERS

NORFOLK heavy cruisers (1930)

Norfolk 1943

Name No Yard No Builder Laid down Launched Comp Fate
Dorsetshire 40   Portsmouth DYd 21/9/1927 29/1/1929 30/9/1930 sunk 5/4/1942
Norfolk 78 - C78 628 Fairfield, Govan 8/7/1927 12/12/1928 30/4/1930 sold for BU 1/1950

 

Displacement standard, t

9925 - 9975 (Norfolk finally about 10900)

Displacement full, t

13425 (Norfolk finally 14600)

Length, m

181.4 pp 192.9 - 193.7 oa

Breadth, m

20.1

Draught, m

6.37 deep load (Norfolk finally 6.91)

No of shafts

4

Machinery

Parsons geared steam turbines, 8 Admiralty 3-drum boilers

Power, h. p.

80000

Max speed, kts

32.3

Fuel, t

oil 3210 (later 3005)

Endurance, nm(kts) 12500(12)
Armour, mm

box protection to magazines: 102 - 25, belt: 25, barbettes: 25, turrets: 25, deck: 38 - 25

Armament

4 x 2 - 203/50 BL Mk VIII, 4 x 1 - 102/45 QF Mk V, 4 x 1 - 47/40 Hotchkiss Mk I, 4 x 1 - 40/39 2pdr QF Mk II, 2 x 4 - 533 TT

Complement

710

Ship project history: Ships of 1926 program repeated cruisers of London class but had new Mk II turret mounts.

Protection: Magazines were protected by 111 (102mm armour on 9mm plating) - 25mm sides and 76 - 25mm platform deck. Machinery was protected by 25mm bulkheads and 32mm deck. Steering gear has 38 - 25mm horizontal protection.

Modernizations: 1931, both: + 1 Flycatcher seaplane (plane launched from water)

1932, both: + 1 catapult S-II-L (Flycatcher was replaced by Osprey 1934)

1933, both: + 2 x 4 - 12.7/62

1937, both: - 4 x 1 - 102/45, 1 catapult with seaplane; + 4 x 2 - 102/45 QF Mk XVI, 2 x 8 - 40/39 2pdr QF Mk VIII, 1 catapult E-IV-H with 1 Walrus seaplane

1939, both: - 4 x 1 - 47/40

6/1940, Norfolk: + 2 x 20 - 178 UP AA rockets projectors

9/1941, Norfolk: - 2 x 4 - 12.7/62, 2 x 20 - 178 UP; + 6 x 1 - 20/70 Oerlikon Mk II/IV, type 273, 281, 284, 285 radars

early 1942, Dorsetshire: + 9 x 1 - 20/70 Oerlikon Mk II/IV

10/1942, Norfolk: + 3  x 1 - 20/70 Oerlikon Mk II/IV

5/1943, Norfolk: - catapult with seaplane; + 3 x 1 - 20/70 Oerlikon Mk II/IV

11/1944, Norfolk: - 1 x 2 - 203/50 ("X"), 2 x 8 - 40/39, 2 x 1 - 20/70, type 273, 281, 284 radars; + 6 x 4 - 40/39 2pdr QF Mk VIII, 11 x 2 - 20/70 Oerlikon Mk II/IV, type 274, 277, 281B, 283, 293 radars; displacement was 10900/14600t

9/1945, Norfolk: - 10 x 1 - 20/70; + 10 x 1 - 40/56 Bofors Mk I/III

1/1946, Norfolk: 3 x 2 - 203/50 Mk II, 4 x 2 - 102/45 Mk XIX, 10 x 1 - 40/60 Mk III, 6 x 4 - 40/39 Mk VII, 11 x 2 - 20/70 Mk V, 2 x 4 - 533 TT

Naval service: Dorsetshire was sunk by Japanese carrier aircraft (D3A1 diving bombers from Akagi, Hiryu and Soryu) 5/4/1942 (she received up to 10 bombing hits in 8 minutes). Norfolk participated in battle with German battlecruiser Scharnhorst 26/12/1943, has received 2 hits of 283mm shells, repair last 10 months.

Ivan Gogin, 2008-15