WesWorld

St. Cyr, French Aircraft Carrier laid down 1935
- St. Cyr
- Ocean

Displacement:
28,624 t light; 29,463 t standard; 34,051 t normal; 37,722 t full load

Dimensions: Length overall / water x beam x draught
721.41 ft / 711.94 ft x 82.02 ft (Bulges 98.43 ft) x 29.53 ft (normal load)
219.89 m / 217.00 m x 25.00 m (Bulges 30.00 m) x 9.00 m

Armament:
12 - 4.72" / 120 mm guns (6x2 guns), 61.73lbs / 28.00kg shells, 1935 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
64 - 1.57" / 40.0 mm guns (16x4 guns), 1.95lbs / 0.88kg shells, 1935 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 6 raised mounts
Weight of broadside 866 lbs / 393 kg
Shells per gun, main battery: 300

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.54" / 90 mm 469.16 ft / 143.00 m 13.12 ft / 4.00 m
Ends: 1.18" / 30 mm 242.78 ft / 74.00 m 9.84 ft / 3.00 m
Upper: 1.97" / 50 mm 469.16 ft / 143.00 m 27.56 ft / 8.40 m
Main Belt covers 101 % of normal length

- Torpedo Bulkhead and Bulges:
2.36" / 60 mm 469.16 ft / 143.00 m 32.81 ft / 10.00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 3.54" / 90 mm, Conning tower: 3.94" / 100 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 195,885 shp / 146,130 Kw = 34.00 kts
Range 12,800nm at 18.00 kts
Bunker at max displacement = 8,260 tons

Complement:
1,253 - 1,629

Cost:
£9.472 million / $37.886 million

Distribution of weights at normal displacement:
Armament: 95 tons, 0.3 %
Armour: 6,418 tons, 18.8 %
- Belts: 2,100 tons, 6.2 %
- Torpedo bulkhead: 1,345 tons, 4.0 %
- Armament: 33 tons, 0.1 %
- Armour Deck: 2,851 tons, 8.4 %
- Conning Tower: 89 tons, 0.3 %
Machinery: 5,565 tons, 16.3 %
Hull, fittings & equipment: 10,151 tons, 29.8 %
Fuel, ammunition & stores: 5,427 tons, 15.9 %
Miscellaneous weights: 6,395 tons, 18.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
52,744 lbs / 23,924 Kg = 1,000.4 x 4.7 " / 120 mm shells or 7.7 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 5.0 ft / 1.5 m
Roll period: 18.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.06
Seaboat quality (Average = 1.00): 1.52

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.576
Length to Beam Ratio: 7.23 : 1
'Natural speed' for length: 31.00 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 46
Bow angle (Positive = bow angles forward): 13.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 41.01 ft / 12.50 m
- Forecastle (17 %): 41.01 ft / 12.50 m
- Mid (50 %): 41.01 ft / 12.50 m (24.61 ft / 7.50 m aft of break)
- Quarterdeck (15 %): 24.61 ft / 7.50 m
- Stern: 26.25 ft / 8.00 m
- Average freeboard: 32.93 ft / 10.04 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 101.4 %
- Above water (accommodation/working, high = better): 215.4 %
Waterplane Area: 43,500 Square feet or 4,041 Square metres
Displacement factor (Displacement / loading): 138 %
Structure weight / hull surface area: 129 lbs/sq ft or 630 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.91
- Longitudinal: 2.36
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

75 aircraft, plus 16 spares

Air search radar - 20 tons

AOC - 250 tons

Misc - 105 tons



MN Vauban, French Aircraft Carrier laid down 1931

Displacement:
12,533 t light; 12,879 t standard; 14,798 t normal; 16,334 t full load

Dimensions: Length overall / water x beam x draught
699.53 ft / 688.98 ft x 72.18 ft (Bulges 78.74 ft) x 19.69 ft (normal load)
213.22 m / 210.00 m x 22.00 m (Bulges 24.00 m) x 6.00 m

Armament:
8 - 4.72" / 120 mm guns (4x2 guns), 61.73lbs / 28.00kg shells, 1931 Model
Breech loading guns in deck mounts with hoists
on side, all amidships, all raised mounts - superfiring
32 - 1.57" / 40.0 mm guns (8x4 guns), 1.95lbs / 0.89kg shells, 1931 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
Weight of broadside 556 lbs / 252 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.97" / 50 mm 459.32 ft / 140.00 m 11.48 ft / 3.50 m
Ends: Unarmoured
Main Belt covers 103 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 1.97" / 50 mm, Conning tower: 2.95" / 75 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 70,040 shp / 52,250 Kw = 30.00 kts
Range 12,400nm at 15.00 kts
Bunker at max displacement = 3,455 tons

Complement:
670 - 872

Cost:
£3.416 million / $13.662 million

Distribution of weights at normal displacement:
Armament: 61 tons, 0.4 %
Armour: 1,727 tons, 11.7 %
- Belts: 432 tons, 2.9 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 19 tons, 0.1 %
- Armour Deck: 1,238 tons, 8.4 %
- Conning Tower: 38 tons, 0.3 %
Machinery: 2,095 tons, 14.2 %
Hull, fittings & equipment: 5,051 tons, 34.1 %
Fuel, ammunition & stores: 2,265 tons, 15.3 %
Miscellaneous weights: 3,600 tons, 24.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
23,209 lbs / 10,528 Kg = 440.2 x 4.7 " / 120 mm shells or 2.9 torpedoes
Stability (Unstable if below 1.00): 1.17
Metacentric height 4.1 ft / 1.3 m
Roll period: 16.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.07
Seaboat quality (Average = 1.00): 1.38

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.485
Length to Beam Ratio: 8.75 : 1
'Natural speed' for length: 30.33 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 51
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 39.37 ft / 12.00 m
- Forecastle (25 %): 26.25 ft / 8.00 m
- Mid (50 %): 26.25 ft / 8.00 m (13.12 ft / 4.00 m aft of break)
- Quarterdeck (15 %): 13.12 ft / 4.00 m
- Stern: 14.11 ft / 4.30 m
- Average freeboard: 21.07 ft / 6.42 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76.3 %
- Above water (accommodation/working, high = better): 179.6 %
Waterplane Area: 33,982 Square feet or 3,157 Square metres
Displacement factor (Displacement / loading): 148 %
Structure weight / hull surface area: 101 lbs/sq ft or 492 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 1.01
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily


MN Gambetta, French Aircraft carrier laid down 1925

Displacement:
13,020 t light; 13,385 t standard; 15,252 t normal; 16,744 t full load

Dimensions: Length overall / water x beam x draught
695.54 ft / 695.54 ft x 75.46 ft x 20.34 ft (normal load)
212.00 m / 212.00 m x 23.00 m x 6.20 m

Armament:
8 - 4.72" / 120 mm guns (4x2 guns), 52.72lbs / 23.92kg shells, 1925 Model
Breech loading guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 2.95" / 75.0 mm guns in single mounts, 12.87lbs / 5.84kg shells, 1925 Model
Breech loading guns in deck mounts
on side, all amidships, all raised mounts - superfiring
16 - 1.57" / 40.0 mm guns (8x2 guns), 1.95lbs / 0.89kg shells, 1925 Model
Breech loading guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 505 lbs / 229 kg
Shells per gun, main battery: 200

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.97" / 50 mm 357.15 ft / 108.86 m 9.84 ft / 3.00 m
Ends: Unarmoured
Main Belt covers 79 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.98" / 25 mm -
2nd: 0.98" / 25 mm - -
3rd: 0.98" / 25 mm - -

- Armour deck: 1.97" / 50 mm, Conning tower: 1.97" / 50 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 71,422 shp / 53,281 Kw = 30.00 kts
Range 11,100nm at 15.00 kts (Bunkerage = 3,359 tons)

Aviation:
60 Aircraft, 2 Elevators

Complement:
686 - 892

Cost:
£2.727 million / $10.909 million

Distribution of weights at normal displacement:
Armament: 63 tons, 0.4 %
Armour: 1,693 tons, 11.1 %
- Belts: 302 tons, 2.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 41 tons, 0.3 %
- Armour Deck: 1,324 tons, 8.7 %
- Conning Tower: 26 tons, 0.2 %
Machinery: 2,319 tons, 15.2 %
Hull, fittings & equipment: 5,345 tons, 35.0 %
Fuel, ammunition & stores: 2,231 tons, 14.6 %
Miscellaneous weights: 3,600 tons, 23.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
26,222 lbs / 11,894 Kg = 497.3 x 4.7 " / 120 mm shells or 2.7 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 4.3 ft / 1.3 m
Roll period: 15.2 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.07
Seaboat quality (Average = 1.00): 1.50

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.500
Length to Beam Ratio: 9.22 : 1
'Natural speed' for length: 30.29 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 47
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.97 ft / 7.00 m
- Forecastle (20 %): 22.64 ft / 6.90 m
- Mid (50 %): 22.64 ft / 6.90 m (22.31 ft / 6.80 m aft of break)
- Quarterdeck (15 %): 22.31 ft / 6.80 m
- Stern: 22.31 ft / 6.80 m
- Average freeboard: 22.50 ft / 6.86 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 79.0 %
- Above water (accommodation/working, high = better): 226.8 %
Waterplane Area: 36,365 Square feet or 3,378 Square metres
Displacement factor (Displacement / loading): 146 %
Structure weight / hull surface area: 101 lbs/sq ft or 496 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.12
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

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)


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

The Normandie Class Aircraft Carriers are an experimental design using the hulls of two Normandie class battleships which were canceled. The lessons learned in their construction and operation will prove valuable in the construction of new French and Russian aircraft carriers.

Normandie Class Aircraft Carrier, laid down 1914
Length, 175.6 m x Beam, 27.0 m x Depth, 9.2 m
19790 tonnes normal displacement (18706 tonnes standard)
Main battery: 8 x 15.5-cm
Secondary battery: 6 x 7.5-cm
AA battery: 8 x 3.7-cm
Light battery: 4 x 1.3-cm
Weight of broadside: 454 kg
4 TT, 53.0 cm
Main belt, 9.0 cm; bow and stern, 3.0 cm
Upper belt, 5.0 cm
Torpedo bulkhead, 5.0 cm
Armor deck, average 5.0 cm
Conning tower, 10.0 cm
Battery armor:
Main, 5.0 cm shields / secondary, 2.5 cm
AA, 2.5 cm shields
Aircraft - 40
Maximum speed for 37451 shaft kw = 25.00 knots
Approximate cruising radius, 10000 nm / 10 knots
Typical complement: 834-1085

Estimated cost, $5.159 million (£1.290 million)
Remarks:
Oil firing.
Relative extent of belt armor, 40 percent of 'typical' coverage.
Main belt does not fully protect magazines and
engineering spaces.
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.
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 ......................... 125 tonnes = 1 pct
Armor, total ..................... 2427 tonnes = 12 pct
Belt 400 tonnes = 2 pct
Torpedo bulkhead 823 tonnes = 4 pct
Deck 1088 tonnes = 5 pct
C.T. 62 tonnes = 0 pct
Armament 54 tonnes = 0 pct
Machinery ........................ 1933 tonnes = 10 pct
Hull and fittings; equipment ..... 12142 tonnes = 61 pct
Fuel, ammunition, stores ......... 1563 tonnes = 8 pct
Miscellaneous weights ............ 1600 tonnes = 8 pct
-----
19790 tonnes = 100 pct
Estimated metacentric height, 1.9 m
Displacement summary:
Light ship: 18227 tonnes
Standard displacement: 18706 tonnes
Normal service: 19790 tonnes
Full load: 20578 tonnes
Loading submergence 2800 tonnes/metre
+++++++++++++++++++++++++

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.25
Shellfire needed to sink: 16050 kg = 310.8 x 15.5-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)
Torpedoes needed to sink: 6.8
(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, 0.03
Relative quality as a seaboat: 1.63
+++++++++++++++++++++++++

Hull form characteristics:
Block coefficient: 0.45
Sharpness coefficient: 0.36
Hull speed coefficient 'M' = 6.51
'Natural speed' for length = 24.0 knots
Power going to wave formation
at top speed: 49 percent

Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 60 percent
Relative accommodation and working space: 138 percent

Displacement factor: 223 percent
(Displacement relative to loading factors)

Relative cross-sectional hull strength: 2.09
(Structure weight per square
metre of hull surface: 1246 kg)
Relative longitudinal hull strength: 4.11
(for 6.50 m average freeboard;
freeboard adjustment +1.21 m)
Relative composite hull strength: 2.24
+++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]
575.97 x 88.56 x 30.18; 21.32 -- Dimensions
0.45 -- Block coefficient
1914 -- Year laid down
25.00 / 10000 / 10.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
1600 tons -- Miscellaneous weights
++++++++++
8 x 6.10; 0 -- Main battery; turrets
Central positioning of guns
Gun-shields
:
6 x 2.95; 0 -- Secondary battery; turrets
Main deck battery
:
8 x 1.46 -- Tertiary (QF/AA) battery
Gun-shields
:
4 x 0.51 -- Fourth (light) battery
4 / 0 / 20.87 -- TT / submerged / size
++++++++++
3.54 / 1.18 / 1.97 / 1.97; 40 -- Belt armor; relative extent
1.97 / 3.94 -- Deck / CT
1.97 / 0.98 / 0.98 / 0.00 -- Battery armor

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

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

Bucentaure-class, French Fleet Carrier laid down 1939

Displacement:
35,000 t light; 36,175 t standard; 40,143 t normal; 43,317 t full load

Dimensions: Length overall / water x beam x draught
885.83 ft / 885.83 ft x 108.27 ft x 29.53 ft (normal load)
270.00 m / 270.00 m x 33.00 m x 9.00 m

Armament:
8 - 4.72" / 120 mm guns (4x2 guns), 52.72lbs / 23.91kg shells, 1939 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships, all raised mounts - superfiring
16 - 3.54" / 90.0 mm guns (8x2 guns), 22.24lbs / 10.09kg shells, 1940 Model
Automatic rapid fire guns in deck mounts with hoists
on side, evenly spread, all raised mounts
48 - 1.57" / 40.0 mm guns (12x4 guns), 1.95lbs / 0.88kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 871 lbs / 395 kg
Shells per gun, main battery: 650

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.38" / 35 mm 575.79 ft / 175.50 m 12.49 ft / 3.81 m
Ends: 0.98" / 25 mm 310.02 ft / 94.49 m 12.49 ft / 3.81 m
Main Belt covers 100 % of normal length

- Torpedo Bulkhead:
2.36" / 60 mm 575.79 ft / 175.50 m 28.46 ft / 8.67 m

- Armour deck: 3.35" / 85 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 193,268 shp / 144,178 Kw = 34.00 kts
Range 15,000nm at 15.00 kts
Bunker at max displacement = 7,142 tons

Complement:
1,417 - 1,843

Cost:
£11.962 million / $47.850 million

Distribution of weights at normal displacement:
Armament: 118 tons, 0.3 %
Armour: 6,092 tons, 15.2 %
- Belts: 561 tons, 1.4 %
- Torpedo bulkhead: 1,432 tons, 3.6 %
- Armament: 0 tons, 0.0 %
- Armour Deck: 4,099 tons, 10.2 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 5,229 tons, 13.0 %
Hull, fittings & equipment: 13,161 tons, 32.8 %
Fuel, ammunition & stores: 5,143 tons, 12.8 %
Miscellaneous weights: 10,400 tons, 25.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
57,652 lbs / 26,150 Kg = 1,093.4 x 4.7 " / 120 mm shells or 9.1 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 6.8 ft / 2.1 m
Roll period: 17.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 1.16

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.496
Length to Beam Ratio: 8.18 : 1
'Natural speed' for length: 34.54 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 61
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 32.72 ft / 9.97 m
- Forecastle (20 %): 25.00 ft / 7.62 m
- Mid (50 %): 21.00 ft / 6.40 m
- Quarterdeck (15 %): 21.00 ft / 6.40 m
- Stern: 21.00 ft / 6.40 m
- Average freeboard: 23.02 ft / 7.02 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 91.1 %
- Above water (accommodation/working, high = better): 195.1 %
Waterplane Area: 66,213 Square feet or 6,151 Square metres
Displacement factor (Displacement / loading): 144 %
Structure weight / hull surface area: 148 lbs/sq ft or 723 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.11
- Longitudinal: 0.97
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform

Breakdown of Miscellaneous Weights
- 9216 tons for airgroup
- 200t Air Control Operations
- 50t air search and fire control radar
- 20t surface search radar
- 50t radar-integrated fire control
- 120t crated planes (24) and spare parts
- 244t for flagship facilities
- 500t damage control and fire suppression systems
- 1184 tons for

Airgroup:
- 36 Arsenal VG-10N naval fighters
- 36 Breguet 810 bombers
- 18 Latecoeur Late-298 torpedo bomber (possibly Accrisius Avenger)
- 6 Dorand G.IIa+ ASW Helicopters
- Total 96 planes

Ships in Class:
- Bucentaure
- Conquérant
- Tonnerre
- Le Triomphant