Sviatoslav class heavy cruisers, laid down 1919
Length, 210.0 m x Beam, 22.0 m x Depth, 7.0 m
14020 tonnes normal displacement (12998 tonnes standard)
Main battery: 12 x 21.0-cm (3 x 4; 1 superfiring)
Secondary battery: 12 x 10.0-cm
AA battery: 4
x 7.6-cm
Light battery: 16 x 3.7-cm
Weight of broadside: 1743 kg
4 TT, 53.0 cm
Main belt, 12.0 cm; bow and stern, 3.0 cm
Armor deck, average 5.0
cm
Conning tower, 15.0 cm
Battery armor:
Main, 14.0 cm / secondary,
5.0 cm
AA, 2.5 cm shields / light guns, 2.5 cm shields
Aircraft - 3 Seaplanes, 1 Catapult
Maximum speed for 63064 shaft kw = 31.00 knots
Approximate cruising radius, 5500 nm / 15 knots
Typical complement: 644-838
Estimated cost, $10.968 million (£2.742 million)
Remarks:
Superfiring turret is aft.
Oil firing.
Relative extent of belt armor, 97 percent of 'typical' coverage.
Ship has slow, easy roll; a good, steady gun platform.
Good seaboat; rides out heavy weather easily.
Ship is roomy, with superior accommodation and working space.
Main deck secondary guns subject to being washed down
in a seaway.
Distribution of weights:
Percent
normal
displacement:
Armament ......................... 479 tonnes
= 3 pct
Armor, total .....................
2794 tonnes = 20 pct
Belt
968 tonnes = 7 pct
Deck
1028 tonnes = 7 pct
C.T.
74 tonnes = 1 pct
Armament
723 tonnes = 5 pct
Machinery ........................ 3001 tonnes =
21 pct
Hull and fittings; equipment ..... 6049 tonnes
= 43 pct
Fuel, ammunition, stores ......... 1622
tonnes = 12 pct
Miscellaneous weights ............
75 tonnes = 1 pct
-----
14020 tonnes = 100 pct
Estimated metacentric height, 1.2 m
Displacement summary:
Light ship:
12398 tonnes
Standard displacement: 12998 tonnes
Normal service: 14020 tonnes
Full load: 14782 tonnes
Loading submergence 2646 tonnes/metre
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Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.13
Shellfire needed to sink: 7211 kg = 56.1 x 21.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not
counting critical hits)
Torpedoes needed to sink: 2.0
(Approximates number of 'typical'
torpedo hits needed to sink ship)
Relative steadiness as gun platform, 70 percent
(50 percent is 'average')
Relative rocking effect from firing to beam, 0.50
Relative quality as a seaboat: 1.20
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Hull form characteristics:
Block coefficient: 0.43
Sharpness coefficient: 0.31
Hull speed coefficient 'M' = 8.74
'Natural speed' for length = 26.2 knots
Power going to wave formation
at top speed: 48 percent
Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 97 percent
Relative accommodation and working space: 145 percent
Displacement factor: 111 percent
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.99
(Structure weight per square
metre
of hull surface: 652 kg)
Relative longitudinal hull strength: 1.09
(for 5.60 m average freeboard;
freeboard
adjustment +0.66 m)
Relative composite hull strength: 1.00
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[Machine-readable parameters: Spring Style v. 1.2.1]
688.80 x 72.16 x 22.96; 18.37 -- Dimensions
0.43 -- Block coefficient
1919 -- Year laid down
31.00 / 5500
/ 15.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
75 tons -- Miscellaneous weights
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12
x 8.27; 3; 1 -- Main battery; turrets; superfiring
Superfiring turret aft only
:
12 x 3.94;
0 -- Secondary battery; turrets
Main deck battery
:
4 x 2.99 -- Tertiary (QF/AA) battery
Gun-shields
:
16 x 1.46 -- Fourth (light) battery
4 / 0 / 20.87 -- TT / submerged / size
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4.72 / 1.18 / 0.00 / 0.00; 97 -- Belt armor; relative extent
1.97 / 5.91 -- Deck / CT
5.51 / 1.97 / 0.98 / 0.98
-- Battery armor
(Note: For portability, values are stored in Anglo-American units)
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