Seaplane Carrier Almaz, laid down 1915
Length, 110.6 m x Beam, 13.2 m x Depth, 5.3 m
3667 tonnes normal displacement (3270 tonnes standard)
Main battery: 7 x 13.0-cm
AA
battery: 4 x 7.6-cm
Light battery:
2 x 0.7-cm
Weight of broadside: 238 kg
Armor deck, average 7.6 cm
Battery armor:
Main, 3.0 cm shields
Aircraft - 4 Seaplanes, 2 Cranes
Maximum speed for 6422 shaft kw = 20.00 knots
Approximate cruising radius, 5000 nm / 12 knots
Typical complement: 47-61
Estimated cost, $1.253 million (£313,000)
Remarks:
Ship has slow, easy roll; a good, steady gun platform.
Excellent seaboat; comfortable and able to fight her guns
in the
heaviest weather.
Magazines and engineering spaces are roomy, with superior
watertight
subdivision.
Distribution of weights:
Percent
normal
displacement:
Armament ......................... 65
tonnes = 2 pct
Armor, total .....................
538 tonnes = 15 pct
Deck
524 tonnes = 14 pct
Armament
13 tonnes = 0 pct
Machinery ........................ 359 tonnes
= 10 pct
Hull and fittings; equipment ..... 2091
tonnes = 57 pct
Fuel, ammunition, stores .........
514 tonnes = 14 pct
Miscellaneous weights ............
100 tonnes = 3 pct
-----
3667 tonnes = 100 pct
Estimated metacentric height, 0.6 m
Displacement summary:
Light ship:
3153 tonnes
Standard displacement: 3270 tonnes
Normal service: 3667 tonnes
Full load: 3969 tonnes
Loading submergence 888 tonnes/metre
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Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.19
Shellfire needed to sink: 3611 kg = 118.5 x 13.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not
counting critical hits)
Torpedoes needed to sink: 2.3
(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, 0.17
Relative quality as a seaboat: 1.63
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Hull form characteristics:
Block coefficient: 0.47
Sharpness coefficient: 0.34
Hull speed coefficient 'M' = 7.19
'Natural speed' for length = 19.0 knots
Power going to wave formation
at top speed: 45 percent
Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 50 percent
Relative accommodation and working space: 100 percent
Displacement factor: 195 percent
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.78
(Structure weight per square
metre
of hull surface: 619 kg)
Relative longitudinal hull strength: 3.37
(for 4.00 m average freeboard;
freeboard
adjustment +0.22 m)
Relative composite hull strength: 1.90
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[Machine-readable parameters: Spring Style v. 1.2.1]
362.77 x 43.30 x 17.38; 13.12 -- Dimensions
0.47 -- Block coefficient
1915 -- Year laid down
20.00 / 5000
/ 12.00; Turbine, coal fired -- Speed / radius / cruise
100 tons -- Miscellaneous weights
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7 x 5.12;
0 -- Main battery; turrets
Central positioning of guns
Gun-shields
:
0 -- No secondary
battery
4 x 2.99 -- Tertiary (QF/AA) battery
:
2 x 0.28 -- Fourth (light) battery
0 -- No torpedo
armament
++++++++++
0.00 -- No belt armor
2.99 / 0.00 -- Deck / CT
1.18 / 0.00 / 0.00 / 0.00 -- Battery armor
(Note: For portability, values are stored in Anglo-American units)
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