Provence Class Battleship, laid down 1912
Length, 167.0 m x Beam, 28.3 m x Depth, 8.7 m
24458 tonnes normal displacement (23407 tonnes standard)
Main battery: 10 x 34.0-cm (5 x 2; 2 superfiring)
Secondary battery: 22 x 14.0-cm
QF battery: 7
x 10.0-cm
Light battery: 6 x 4.5-cm
Weight of broadside: 6393 kg
4 TT, 45.0 cm (submerged)
Main belt, 27.0 cm; bow and stern, 18.0 cm
Torpedo bulkhead, 6.0
cm
Armor deck, average 5.8 cm
Conning tower, 31.5 cm
Battery armor:
Main, 40.0 cm / secondary,
10.0 cm
QF, 2.5 cm shields
Maximum speed for 19569 shaft kw = 20.00 knots
Approximate cruising radius, 5500 nm / 10 knots
Typical complement: 978-1271
Estimated cost, $9.596 million (£2.399 million)
Remarks:
Relative extent of belt armor, 94 percent of 'typical' coverage.
Main deck secondary guns subject to being washed down
in a seaway.
Distribution of weights:
Percent
normal
displacement:
Armament ......................... 1758 tonnes =
7 pct
Armor, total ..................... 9147 tonnes
= 37 pct
Belt
2346 tonnes = 10 pct
Torpedo
bulkhead 888 tonnes =
4 pct
Deck
1508 tonnes = 6 pct
C.T.
226 tonnes = 1 pct
Armament
4179 tonnes = 17 pct
Machinery ........................ 1150 tonnes =
5 pct
Hull and fittings; equipment ..... 9665 tonnes
= 40 pct
Fuel, ammunition, stores ......... 2713
tonnes = 11 pct
Miscellaneous weights ............
25 tonnes = 0 pct
-----
24458 tonnes = 100 pct
Estimated metacentric height, 1.4 m
Displacement summary:
Light ship:
21745 tonnes
Standard displacement: 23407 tonnes
Normal service: 24458 tonnes
Full load: 25202 tonnes
Loading submergence 3346 tonnes/metre
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Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.01
Shellfire needed to sink: 9899 kg = 18.2 x 34.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not
counting critical hits)
Torpedoes needed to sink: 3.6
(Approximates number of 'typical'
torpedo hits needed to sink ship)
Relative steadiness as gun platform, 52 percent
(50 percent is 'average')
Relative rocking effect from firing to beam, 0.60
Relative quality as a seaboat: 1.12
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Hull form characteristics:
Block coefficient: 0.59
Sharpness coefficient: 0.43
Hull speed coefficient 'M' = 5.77
'Natural speed' for length = 23.4 knots
Power going to wave formation
at top speed: 44 percent
Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 93 percent
Relative accommodation and working space: 109 percent
Displacement factor: 96 percent
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.99
(Structure weight per square
metre
of hull surface: 969 kg)
Relative longitudinal hull strength: 1.37
(for 4.80 m average freeboard;
freeboard
adjustment -0.72 m)
Relative composite hull strength: 1.03
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[Machine-readable parameters: Spring Style v. 1.2.1]
547.76 x 92.82 x 28.54; 15.74 -- Dimensions
0.59 -- Block coefficient
1912 -- Year laid down
20.00 / 5500
/ 10.00; Turbine, coal fired -- Speed / radius / cruise
25 tons -- Miscellaneous weights
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10 x 13.39;
5; 2 -- Main battery; turrets; superfiring
:
22 x 5.51; 0 -- Secondary battery; turrets
Main
deck battery
:
7 x 3.94 -- Tertiary (QF/AA) battery
Gun-shields
:
6 x
1.77 -- Fourth (light) battery
4 / 4 / 17.72 -- TT / submerged / size
++++++++++
10.63 / 7.09 / 0.00 / 2.36; 94
-- Belt armor; relative extent
2.28 / 12.40 -- Deck / CT
15.75 / 3.94 / 0.98 / 0.00 -- Battery armor
(Note: For portability, values are stored in Anglo-American units)
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