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1

Thursday, February 24th 2011, 6:13am

French Battleships

Dreadnought Battleships
"Cuirassés, à l'ennemi! Donnez-lui tout!"

Bretagne-class Dreadnought Battleship - 1912
- Bretagne (retired 1942)
- Provence (retired 1942)
- Lorraine

France-class Dreadnought Battleship - 1924
- France
- République

Richelieu-class Dreadnought Battleship - 1931
- Richelieu
- Courbet

Liberté-class Dreadnought Battleship - 1938
- Liberté
- Justice

2

Thursday, February 24th 2011, 6:14am


Image courtesy of Meretmarine

Bretagne-class, French Battleship laid down 1912
Ships in Class:
- Bretagne (retired)
- Provence (retired)
- Lorraine

Notes:
There are three Bretagne-class Battleships. Provence and Bretagne underwent a partial reconstruction in 1931, while Lorraine was rebuilt in 1935. In 1942, I]Bretagne[/I] and Provence were retired and scrapped.

Bretagne and Provence, French Battleship laid down 1912 (Engine 1931)

Displacement:
20,858 t light; 22,155 t standard; 25,342 t normal; 27,892 t full load

Dimensions: Length overall / water x beam x draught
547.90 ft / 547.90 ft x 92.85 ft (Bulges 96.13 ft) x 28.54 ft (normal load)
167.00 m / 167.00 m x 28.30 m (Bulges 29.30 m) x 8.70 m

Armament:
8 - 13.39" / 340 mm guns (4x2 guns), 1,322.77lbs / 600.00kg shells, 1931 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
2 - 13.39" / 340 mm guns (1x2 guns), 1,322.77lbs / 600.00kg shells, 1931 Model
Breech loading guns in a turret (on a barbette)
on centreline amidships
12 - 4.72" / 120 mm guns (6x2 guns), 61.73lbs / 28.00kg shells, 1931 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
32 - 1.57" / 40.0 mm guns (8x4 guns), 1.95lbs / 0.88kg shells, 1931 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
6 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1931 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 14,031 lbs / 6,364 kg
Shells per gun, main battery: 100

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 10.6" / 270 mm 331.36 ft / 101.00 m 12.47 ft / 3.80 m
Ends: Unarmoured
Main Belt covers 93 % of normal length

- Torpedo Bulkhead and Bulges:
1.57" / 40 mm 331.36 ft / 101.00 m 26.25 ft / 8.00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 7.87" / 200 mm 9.84" / 250 mm
2nd: 15.7" / 400 mm 7.87" / 200 mm 9.84" / 250 mm
3rd: 0.98" / 25 mm 0.20" / 5 mm -
4th: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 5.12" / 130 mm, Conning tower: 12.40" / 315 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 46,207 shp / 34,470 Kw = 23.00 kts
Range 9,000nm at 18.00 kts
Bunker at max displacement = 5,736 tons

Complement:
1,003 - 1,305

Cost:
£2.256 million / $9.023 million

Distribution of weights at normal displacement:
Armament: 1,586 tons, 6.3 %
Armour: 8,601 tons, 33.9 %
- Belts: 1,974 tons, 7.8 %
- Torpedo bulkhead: 507 tons, 2.0 %
- Armament: 2,400 tons, 9.5 %
- Armour Deck: 3,490 tons, 13.8 %
- Conning Tower: 231 tons, 0.9 %
Machinery: 1,382 tons, 5.5 %
Hull, fittings & equipment: 9,239 tons, 36.5 %
Fuel, ammunition & stores: 4,484 tons, 17.7 %
Miscellaneous weights: 50 tons, 0.2 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
34,047 lbs / 15,443 Kg = 28.4 x 13.4 " / 340 mm shells or 6.2 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 5.7 ft / 1.7 m
Roll period: 16.9 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.53
Seaboat quality (Average = 1.00): 1.07

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.590
Length to Beam Ratio: 5.70 : 1
'Natural speed' for length: 23.41 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 46
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: 27.89 ft / 8.50 m
- Forecastle (20 %): 19.69 ft / 6.00 m
- Mid (50 %): 19.69 ft / 6.00 m (12.47 ft / 3.80 m aft of break)
- Quarterdeck (15 %): 12.47 ft / 3.80 m
- Stern: 12.47 ft / 3.80 m
- Average freeboard: 16.73 ft / 5.10 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 83.7 %
- Above water (accommodation/working, high = better): 110.6 %
Waterplane Area: 36,860 Square feet or 3,424 Square metres
Displacement factor (Displacement / loading): 105 %
Structure weight / hull surface area: 183 lbs/sq ft or 895 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.60
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate

Lorraine, French Battleship laid down 1912 (Engine 1935)

Displacement:
20,939 t light; 22,239 t standard; 25,342 t normal; 27,824 t full load

Dimensions: Length overall / water x beam x draught
547.90 ft / 547.90 ft x 92.85 ft (Bulges 96.13 ft) x 28.54 ft (normal load)
167.00 m / 167.00 m x 28.30 m (Bulges 29.30 m) x 8.70 m

Armament:
8 - 13.39" / 340 mm guns (4x2 guns), 1,322.77lbs / 600.00kg shells, 1931 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
2 - 13.39" / 340 mm guns (1x2 guns), 1,322.77lbs / 600.00kg shells, 1931 Model
Breech loading guns in a turret (on a barbette)
on centreline amidships
12 - 4.72" / 120 mm guns (6x2 guns), 61.73lbs / 28.00kg shells, 1931 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
48 - 1.57" / 40.0 mm guns (8 mounts), 1.95lbs / 0.88kg shells, 1931 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 32 raised guns
6 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1931 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 14,062 lbs / 6,379 kg
Shells per gun, main battery: 100

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 10.6" / 270 mm 331.36 ft / 101.00 m 12.47 ft / 3.80 m
Ends: Unarmoured
Main Belt covers 93 % of normal length

- Torpedo Bulkhead and Bulges:
1.57" / 40 mm 331.36 ft / 101.00 m 27.56 ft / 8.40 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 7.87" / 200 mm 9.84" / 250 mm
2nd: 15.7" / 400 mm 7.87" / 200 mm 9.84" / 250 mm
3rd: 0.98" / 25 mm 0.20" / 5 mm -
4th: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 5.12" / 130 mm, Conning tower: 12.40" / 315 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 49,054 shp / 36,594 Kw = 23.35 kts
Range 9,100nm at 18.00 kts
Bunker at max displacement = 5,585 tons

Complement:
1,003 - 1,305

Cost:
£2.263 million / $9.054 million

Distribution of weights at normal displacement:
Armament: 1,590 tons, 6.3 %
Armour: 8,631 tons, 34.1 %
- Belts: 1,974 tons, 7.8 %
- Torpedo bulkhead: 532 tons, 2.1 %
- Armament: 2,404 tons, 9.5 %
- Armour Deck: 3,490 tons, 13.8 %
- Conning Tower: 231 tons, 0.9 %
Machinery: 1,394 tons, 5.5 %
Hull, fittings & equipment: 9,235 tons, 36.4 %
Fuel, ammunition & stores: 4,403 tons, 17.4 %
Miscellaneous weights: 90 tons, 0.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
33,506 lbs / 15,198 Kg = 27.9 x 13.4 " / 340 mm shells or 6.2 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 5.6 ft / 1.7 m
Roll period: 17.1 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.04

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.590
Length to Beam Ratio: 5.70 : 1
'Natural speed' for length: 23.41 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 48
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: 27.89 ft / 8.50 m
- Forecastle (20 %): 19.69 ft / 6.00 m
- Mid (50 %): 19.69 ft / 6.00 m (12.47 ft / 3.80 m aft of break)
- Quarterdeck (15 %): 12.47 ft / 3.80 m
- Stern: 12.47 ft / 3.80 m
- Average freeboard: 16.73 ft / 5.10 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.2 %
- Above water (accommodation/working, high = better): 110.6 %
Waterplane Area: 36,860 Square feet or 3,424 Square metres
Displacement factor (Displacement / loading): 105 %
Structure weight / hull surface area: 183 lbs/sq ft or 895 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.59
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate


Air search radar - 20 tons
Surface search radar - 20 tons

3

Thursday, February 24th 2011, 6:17am

France-class


Image by TheSmilingAssassin and modified by me.

France-class, French battleship laid down 1924 (Engine 1934)

Displacement:
38,497 t light; 41,011 t standard; 47,710 t normal; 53,068 t full load

Dimensions: Length overall / water x beam x draught
776.24 ft / 767.72 ft x 108.92 ft (Bulges 122.05 ft) x 31.82 ft (normal load)
236.60 m / 234.00 m x 33.20 m (Bulges 37.20 m) x 9.70 m

Armament:
12 - 15.00" / 381 mm guns (4x3 guns), 2,039.28lbs / 925.00kg shells, 1924 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
12 - 4.72" / 120 mm guns (6x2 guns), 61.73lbs / 28.00kg shells, 1924 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
48 - 1.57" / 40.0 mm guns (12x4 guns), 1.95lbs / 0.88kg shells, 1924 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
Weight of broadside 25,306 lbs / 11,478 kg
Shells per gun, main battery: 110

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 14.2" / 360 mm 438.16 ft / 133.55 m 11.81 ft / 3.60 m
Ends: Unarmoured
Main Belt covers 88 % of normal length

- Torpedo Bulkhead and Bulges:
1.18" / 30 mm 438.16 ft / 133.55 m 28.87 ft / 8.80 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 7.87" / 200 mm 11.8" / 300 mm
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 5.51" / 140 mm, Conning tower: 15.75" / 400 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 111,921 shp / 83,493 Kw = 27.00 kts
Range 14,000nm at 18.00 kts
Bunker at max displacement = 12,057 tons

Complement:
1,613 - 2,098

Cost:
£12.366 million / $49.463 million

Distribution of weights at normal displacement:
Armament: 2,622 tons, 5.5 %
Armour: 13,708 tons, 28.7 %
- Belts: 3,258 tons, 6.8 %
- Torpedo bulkhead: 553 tons, 1.2 %
- Armament: 3,444 tons, 7.2 %
- Armour Deck: 6,007 tons, 12.6 %
- Conning Tower: 446 tons, 0.9 %
Machinery: 3,220 tons, 6.7 %
Hull, fittings & equipment: 18,782 tons, 39.4 %
Fuel, ammunition & stores: 9,212 tons, 19.3 %
Miscellaneous weights: 165 tons, 0.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
64,875 lbs / 29,427 Kg = 38.4 x 15.0 " / 381 mm shells or 10.7 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 6.9 ft / 2.1 m
Roll period: 19.6 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.56
Seaboat quality (Average = 1.00): 1.07

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.560
Length to Beam Ratio: 6.29 : 1
'Natural speed' for length: 27.71 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 65
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: 31.82 ft / 9.70 m
- Forecastle (21 %): 21.00 ft / 6.40 m
- Mid (80 %): 18.04 ft / 5.50 m
- Quarterdeck (20 %): 13.45 ft / 4.10 m (18.04 ft / 5.50 m before break)
- Stern: 13.45 ft / 4.10 m
- Average freeboard: 19.53 ft / 5.95 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 79.5 %
- Above water (accommodation/working, high = better): 135.8 %
Waterplane Area: 58,909 Square feet or 5,473 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 230 lbs/sq ft or 1,123 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.19
- 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

Breakdown of Miscellaneous Weights:
Air search radar - 20 tons
Surface search radar - 20 tons

MN France: Fleet Command Bridge
MN Republique: 4 Seaplanes, 2 Catapults

Ships in Class:
- France
- République

4

Thursday, February 24th 2011, 6:18am


Image courtesy of Meretmarine

Richelieu-class, French Battleship laid down 1931, refitted 1945
As rebuilt in 1945-1946.

Displacement:
34,312 t light; 36,163 t standard; 41,190 t normal; 45,212 t full load

Dimensions: Length overall / water x beam x draught
780.83 ft / 764.76 ft x 104.99 ft (Bulges 114.17 ft) x 30.02 ft (normal load)
238.00 m / 233.10 m x 32.00 m (Bulges 34.80 m) x 9.15 m

Armament:
8 - 15.00" / 381 mm guns (2x4 guns), 2,039.28lbs / 925.00kg shells, 1931 Model
Breech loading guns in turrets (on barbettes)
on centreline, all forward, 1 raised mount - superfiring
6 - 5.98" / 152 mm guns (2x3 guns), 110.23lbs / 50.00kg shells, 1931 Model
Breech loading guns in turrets (on barbettes)
on centreline, all aft, 1 raised mount - superfiring
12 - 3.94" / 100 mm guns (6x2 guns), 35.27lbs / 16.00kg shells, 1945 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
16 - 2.24" / 57.0 mm guns (8x2 guns), 6.61lbs / 3.00kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on side, evenly spread, all raised mounts
Weight of broadside 17,505 lbs / 7,940 kg
Shells per gun, main battery: 104

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.4" / 340 mm 383.86 ft / 117.00 m 12.14 ft / 3.70 m
Ends: 1.18" / 30 mm 229.66 ft / 70.00 m 9.84 ft / 3.00 m
151.25 ft / 46.10 m Unarmoured ends
Main Belt covers 77 % of normal length

- Torpedo Bulkhead and Bulges:
1.77" / 45 mm 383.86 ft / 117.00 m 26.90 ft / 8.20 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 17.7" / 450 mm 7.87" / 200 mm 13.8" / 350 mm
2nd: 1.97" / 50 mm 0.98" / 25 mm 1.57" / 40 mm
3rd: 0.98" / 25 mm 0.20" / 5 mm 0.20" / 5 mm
4th: 0.59" / 15 mm 0.20" / 5 mm 0.20" / 5 mm

- Armour deck: 5.31" / 135 mm, Conning tower: 17.72" / 450 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 115,076 shp / 85,847 Kw = 29.00 kts
Range 12,000nm at 18.00 kts
Bunker at max displacement = 9,049 tons

Complement:
1,445 - 1,879

Cost:
£14.040 million / $56.161 million

Distribution of weights at normal displacement:
Armament: 1,827 tons, 4.4 %
Armour: 12,018 tons, 29.2 %
- Belts: 2,937 tons, 7.1 %
- Torpedo bulkhead: 677 tons, 1.6 %
- Armament: 2,212 tons, 5.4 %
- Armour Deck: 5,736 tons, 13.9 %
- Conning Tower: 455 tons, 1.1 %
Machinery: 3,441 tons, 8.4 %
Hull, fittings & equipment: 16,801 tons, 40.8 %
Fuel, ammunition & stores: 6,878 tons, 16.7 %
Miscellaneous weights: 225 tons, 0.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
62,964 lbs / 28,560 Kg = 37.3 x 15.0 " / 381 mm shells or 10.7 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 6.9 ft / 2.1 m
Roll period: 18.2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.48
Seaboat quality (Average = 1.00): 1.12

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.550
Length to Beam Ratio: 6.70 : 1
'Natural speed' for length: 32.44 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 62
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 34.45 ft / 10.50 m
- Forecastle (30 %): 21.33 ft / 6.50 m
- Mid (50 %): 19.03 ft / 5.80 m
- Quarterdeck (20 %): 19.03 ft / 5.80 m
- Stern: 20.67 ft / 6.30 m
- Average freeboard: 21.69 ft / 6.61 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76.9 %
- Above water (accommodation/working, high = better): 149.9 %
Waterplane Area: 58,336 Square feet or 5,420 Square metres
Displacement factor (Displacement / loading): 122 %
Structure weight / hull surface area: 211 lbs/sq ft or 1,029 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.38
- 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

Breakdown of Miscellaneous Weights:
- 50 tons for crew comforts (air conditioning, movie theatre, and ice cream machine)
- 110 tons for Electronics Suite
- 25 tons for electronic fire-control on 381mm, 152mm, 100mm, and 57mm guns
- 40 tons for flagship suite

Electronics:
Not available at present.

*****


Richelieu-class, French Battleship laid down 1931
As completed.

Displacement:
34,291 t light; 36,163 t standard; 41,190 t normal; 45,212 t full load

Dimensions: Length overall / water x beam x draught
780.83 ft / 764.76 ft x 104.99 ft (Bulges 114.17 ft) x 30.02 ft (normal load)
238.00 m / 233.10 m x 32.00 m (Bulges 34.80 m) x 9.15 m

Armament:
8 - 15.00" / 381 mm guns (2x4 guns), 2,039.28lbs / 925.00kg shells, 1931 Model
Breech loading guns in turrets (on barbettes)
on centreline, all forward, 1 raised mount - superfiring
6 - 5.98" / 152 mm guns (2x3 guns), 110.23lbs / 50.00kg shells, 1931 Model
Breech loading guns in turrets (on barbettes)
on centreline, all aft, 1 raised mount - superfiring
12 - 4.72" / 120 mm guns (6x2 guns), 61.73lbs / 28.00kg shells, 1931 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
48 - 1.57" / 40.0 mm guns (12x4 guns), 1.95lbs / 0.88kg shells, 1931 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 6 raised mounts
Weight of broadside 17,810 lbs / 8,078 kg
Shells per gun, main battery: 104

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.4" / 340 mm 383.86 ft / 117.00 m 12.14 ft / 3.70 m
Ends: 1.18" / 30 mm 229.66 ft / 70.00 m 9.84 ft / 3.00 m
151.25 ft / 46.10 m Unarmoured ends
Main Belt covers 77 % of normal length

- Torpedo Bulkhead and Bulges:
1.77" / 45 mm 383.86 ft / 117.00 m 26.90 ft / 8.20 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 17.7" / 450 mm 7.87" / 200 mm 13.8" / 350 mm
2nd: 1.97" / 50 mm 0.98" / 25 mm 1.57" / 40 mm
3rd: 0.98" / 25 mm 0.20" / 5 mm -
4th: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 5.31" / 135 mm, Conning tower: 17.72" / 450 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 115,076 shp / 85,847 Kw = 29.00 kts
Range 12,000nm at 18.00 kts
Bunker at max displacement = 9,049 tons

Complement:
1,445 - 1,879

Cost:
£14.152 million / $56.609 million

Distribution of weights at normal displacement:
Armament: 1,859 tons, 4.5 %
Armour: 12,026 tons, 29.2 %
- Belts: 2,937 tons, 7.1 %
- Torpedo bulkhead: 677 tons, 1.6 %
- Armament: 2,220 tons, 5.4 %
- Armour Deck: 5,736 tons, 13.9 %
- Conning Tower: 455 tons, 1.1 %
Machinery: 3,441 tons, 8.4 %
Hull, fittings & equipment: 16,865 tons, 40.9 %
Fuel, ammunition & stores: 6,899 tons, 16.7 %
Miscellaneous weights: 100 tons, 0.2 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
62,745 lbs / 28,461 Kg = 37.2 x 15.0 " / 381 mm shells or 10.6 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 6.9 ft / 2.1 m
Roll period: 18.2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.49
Seaboat quality (Average = 1.00): 1.12

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.550
Length to Beam Ratio: 6.70 : 1
'Natural speed' for length: 32.44 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 62
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 34.45 ft / 10.50 m
- Forecastle (30 %): 21.33 ft / 6.50 m
- Mid (50 %): 19.03 ft / 5.80 m
- Quarterdeck (20 %): 19.03 ft / 5.80 m
- Stern: 20.67 ft / 6.30 m
- Average freeboard: 21.68 ft / 6.61 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 77.2 %
- Above water (accommodation/working, high = better): 149.8 %
Waterplane Area: 58,336 Square feet or 5,420 Square metres
Displacement factor (Displacement / loading): 122 %
Structure weight / hull surface area: 212 lbs/sq ft or 1,033 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.39
- 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

Notes:
- 60mm external decapping plate. 280mm main belt is inclined at 15 degrees.
- 30mm splinter belt protects her forecastle

Range 3,610nm @ 29.00 kts
Range 5,380nm @ 25.00 kts
Range 9.000nm @ 20.00 kts
Range 12,000@ 18.00 kts
Range 18,000nm @ 15.00 kts

Breakdown of Miscellaneous Weights:
Richelieu - Command bridge
Courbet - 3 Seaplanes, 1 catapult

Ships in Class:
- Richelieu
- Courbet

5

Thursday, February 24th 2011, 6:18am



Liberte-class, French battleship laid down 1938

Displacement:
45,986 t light; 48,093 t standard; 54,088 t normal; 58,884 t full load

Dimensions: Length overall / water x beam x draught
892.81 ft / 875.98 ft x 104.99 ft (Bulges 118.11 ft) x 31.99 ft (normal load)
272.13 m / 267.00 m x 32.00 m (Bulges 36.00 m) x 9.75 m

Armament:
8 - 15.00" / 381 mm guns (2x4 guns), 2,039.28lbs / 925.00kg shells, 1938 Model
Breech loading guns in turrets (on barbettes)
on centreline, all forward, 1 raised mount - superfiring
6 - 5.98" / 152 mm guns (2x3 guns), 110.23lbs / 50.00kg shells, 1938 Model
Breech loading guns in turrets (on barbettes)
on centreline, all aft, 1 raised mount - superfiring
16 - 4.72" / 120 mm guns (8x2 guns), 59.52lbs / 27.00kg shells, 1938 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
64 - 1.57" / 40.0 mm guns (16x4 guns), 1.95lbs / 0.89kg shells, 1938 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 6 raised mounts
Weight of broadside 18,053 lbs / 8,189 kg
Shells per gun, main battery: 100

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 14.2" / 360 mm 475.72 ft / 145.00 m 13.12 ft / 4.00 m
Ends: 2.36" / 60 mm 400.26 ft / 122.00 m 9.84 ft / 3.00 m
Main Belt covers 84 % of normal length

- Torpedo Bulkhead and Bulges:
1.97" / 50 mm 475.72 ft / 145.00 m 29.53 ft / 9.00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 21.7" / 550 mm 8.66" / 220 mm 17.7" / 450 mm
2nd: 2.76" / 70 mm 0.98" / 25 mm 1.97" / 50 mm
3rd: 0.98" / 25 mm 0.20" / 5 mm -
4th: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 6.30" / 160 mm, Conning tower: 15.75" / 400 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 191,900 shp / 143,157 Kw = 32.00 kts
Range 12,800nm at 18.00 kts
Bunker at max displacement = 10,792 tons

Complement:
1,773 - 2,305

Cost:
£22.161 million / $88.646 million

Distribution of weights at normal displacement:
Armament: 1,889 tons, 3.5 %
Armour: 17,004 tons, 31.4 %
- Belts: 4,231 tons, 7.8 %
- Torpedo bulkhead: 1,023 tons, 1.9 %
- Armament: 3,311 tons, 6.1 %
- Armour Deck: 7,953 tons, 14.7 %
- Conning Tower: 485 tons, 0.9 %
Machinery: 5,255 tons, 9.7 %
Hull, fittings & equipment: 21,513 tons, 39.8 %
Fuel, ammunition & stores: 8,102 tons, 15.0 %
Miscellaneous weights: 325 tons, 0.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
93,706 lbs / 42,505 Kg = 55.5 x 15.0 " / 381 mm shells or 15.3 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 6.8 ft / 2.1 m
Roll period: 19.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.56
Seaboat quality (Average = 1.00): 1.22

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.572
Length to Beam Ratio: 7.42 : 1
'Natural speed' for length: 34.32 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 57
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 36.09 ft / 11.00 m
- Forecastle (30 %): 26.25 ft / 8.00 m
- Mid (50 %): 26.25 ft / 8.00 m
- Quarterdeck (20 %): 26.25 ft / 8.00 m
- Stern: 27.89 ft / 8.50 m
- Average freeboard: 27.59 ft / 8.41 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 73.6 %
- Above water (accommodation/working, high = better): 192.4 %
Waterplane Area: 68,247 Square feet or 6,340 Square metres
Displacement factor (Displacement / loading): 126 %
Structure weight / hull surface area: 216 lbs/sq ft or 1,053 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.36
- 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

Notes:
- 60mm external decapping plate. 300mm main belt is inclined at 15 degrees.

Range 3,400nm @ 30.00 kts
Range 5,400nm @ 25.00 kts
Range 9.000nm @ 20.00 kts
Range 12,800@ 18.00 kts

Breakdown of Miscellaneous Weight:
Liberte - Command bridge
Justice - 3 Seaplanes, 1 catapult

Surface search radar - 20 tons
Air search radar - 20 tons
Misc weight 185 tons

Ships in Class:
- Liberté
- Justice