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Aircraft Carrier Clemenceau
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MN Clemenceau is the first French aircraft carrier laid down as an Aircraft Carrier.

French Clemenceau class aircraft carrier, laid down 1923

Length, 220.0 m x Beam, 23.0 m x Depth, 6.5 m
16580 tonnes normal displacement (15163 tonnes standard)

Main battery: 6 x 12.0-cm (3 x 2; 1 superfiring)
AA battery: 16 x 4.0-cm

Weight of broadside: 158 kg

Aircraft - 72 (2 Ftr Sqdn, 2 TB Sqdn, 1 LB Sqdn, 1 Recce Sqdn, each of 12 AC)

Main belt, 4.5 cm; ends unarmored
Armor deck, average 5.0 cm
Conning tower, 5.0 cm

Battery armor:
Main, 2.5 cm
AA, 2.5 cm shields

Maximum speed for 54950 shaft kw = 29.00 knots
Approximate cruising radius, 12000 nm / 12 knots

Typical complement: 731-950


Estimated cost, $10.463 million (2.616 million)

Remarks:

Relative extent of belt armor, 85 percent of 'typical' coverage.

Ship has slow, easy roll; a good, steady gun platform.

Excellent seaboat; comfortable and able to fight her guns
in the heaviest weather.

Ship is roomy, with superior accommodation and working space.


Distribution of weights:
Percent
normal
displacement:

Armament ......................... 43 tonnes = 0 pct
Armor, total ..................... 1634 tonnes = 10 pct

Belt 303 tonnes = 2 pct
Deck 1246 tonnes = 8 pct
C.T. 28 tonnes = 0 pct
Armament 57 tonnes = 0 pct

Machinery ........................ 2461 tonnes = 15 pct
Hull and fittings; equipment ..... 5480 tonnes = 33 pct
Fuel, ammunition, stores ......... 1777 tonnes = 11 pct
Miscellaneous weights ............ 5184 tonnes = 31 pct
-----
16580 tonnes = 100 pct

Estimated metacentric height, 1.2 m

Displacement summary:

Light ship: 14803 tonnes
Standard displacement: 15163 tonnes
Normal service: 16580 tonnes
Full load: 17647 tonnes

Loading submergence 3206 tonnes/metre

+++++++++++++++++++++++++


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.10

Shellfire needed to sink: 10759 kg = 448.9 x 12.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 2.5
(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, 0.05

Relative quality as a seaboat: 1.63

+++++++++++++++++++++++++


Hull form characteristics:

Block coefficient: 0.50
Sharpness coefficient: 0.34
Hull speed coefficient 'M' = 8.66
'Natural speed' for length = 26.9 knots
Power going to wave formation
at top speed: 46 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 85 percent

Relative accommodation and working space: 197 percent


Displacement factor: 137 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 1.00
(Structure weight per square
metre of hull surface: 504 kg)

Relative longitudinal hull strength: 1.00
(for 6.73 m average freeboard;
freeboard adjustment +1.62 m)

Relative composite hull strength: 1.00

+++++++++++++++++++++++++


[Machine-readable parameters: Spring Style v. 1.2.1]

721.60 x 75.44 x 21.32; 22.07 -- Dimensions
0.50 -- Block coefficient
1923 -- Year laid down
29.00 / 12000 / 12.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
5184 tons -- Miscellaneous weights
++++++++++
6 x 4.72; 3; 1 -- Main battery; turrets; superfiring
:
0 -- No secondary battery
16 x 1.57 -- Tertiary (QF/AA) battery
Gun-shields
:
0 -- No fourth (light) battery
0 -- No torpedo armament
++++++++++
1.77 / 0.00 / 0.00 / 0.00; 85 -- Belt armor; relative extent
1.97 / 1.97 -- Deck / CT
0.98 / 0.00 / 0.98 / 0.00 -- Battery armor


(Note: For portability, values are stored in Anglo-American units)


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