RICHELIEU

Richelieu, France Battleship laid down 1935

Displacement:
41 254 t light; 43 170 t standard; 45 617 t normal; 47 574 t full load

Dimensions: Length overall / water x beam x draught
810.36 ft / 787.40 ft x 108.27 ft x 31.53 ft (normal load)
247.00 m / 240.00 m x 33.00 m x 9.61 m

Armament:
8 - 14.96" / 380 mm guns (2x4 guns), 2 039.28lbs / 925.00kg shells, 1935 Model
Breech loading guns in turrets (on barbettes)
on centreline, all forward, 1 raised mount - superfiring
9 - 5.98" / 152 mm guns (3x3 guns), 119.42lbs / 54.17kg shells, 1935 Model
Breech loading guns in turrets (on barbettes)
on centreline, all aft, 1 raised mount - superfiring
12 - 3.94" / 100 mm guns (6 mounts), 30.51lbs / 13.84kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, all amidships, 3 raised guns - superfiring
8 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
16 - 0.52" / 13.2 mm guns (8x2 guns), 0.07lbs / 0.03kg shells, 1935 Model
Breech loading guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 17 769 lbs / 8 060 kg
Shells per gun, main battery: 100

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.6" / 345 mm 511.81 ft / 156.00 m 11.48 ft / 3.50 m
Inclined 15°

Ends: 5.98" / 152 mm 164.04 ft / 50.00 m 9.84 ft / 3.00 m
111.55 ft / 34.00 m Unarmoured ends
Upper: 5.00" / 127 mm 511.81 ft / 156.00 m 8.01 ft / 2.44 m
Main Belt covers 100 % of normal length

- Torpedo Bulkhead:
1.97" / 50 mm 511.81 ft / 156.00 m 29.53 ft / 9.00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 16.9" / 430 mm 7.09" / 180 mm 15.9" / 405 mm
2nd: 3.94" / 100 mm 1.97" / 50 mm 5.12" / 130 mm
3rd: 0.79" / 20 mm - -
4th: 0.39" / 10 mm - -
5th: 0.39" / 10 mm - -

- Armour deck: 6.30" / 160 mm, Conning tower: 13.39" / 340 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 162 126 shp / 120 946 Kw = 30.00 kts
Range 5 000nm at 18.00 kts
Bunker at max displacement = 4 404 tons

Complement:
1 559 - 2 028

Cost:
£18.512 million / $74.047 million

Distribution of weights at normal displacement:
Armament: 1 842 tons, 4.0 %
Armour: 16 424 tons, 36.0 %
- Belts: 4 685 tons, 10.3 %
- Torpedo bulkhead: 1 101 tons, 2.4 %
- Armament: 3 044 tons, 6.7 %
- Armour Deck: 7 225 tons, 15.8 %
- Conning Tower: 368 tons, 0.8 %
Machinery: 4 606 tons, 10.1 %
Hull, fittings & equipment: 18 288 tons, 40.1 %
Fuel, ammunition & stores: 4 362 tons, 9.6 %
Miscellaneous weights: 95 tons, 0.2 %
Aircraft installation

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
70 772 lbs / 32 102 Kg = 42.3 x 15.0 " / 380 mm shells or 11.3 torpedoes
Stability (Unstable if below 1.00): 1.05
Metacentric height 6.2 ft / 1.9 m
Roll period: 18.2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.76
Seaboat quality (Average = 1.00): 1.15

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.594
Length to Beam Ratio: 7.27 : 1
'Natural speed' for length: 28.06 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 61
Bow angle (Positive = bow angles forward): 22.00 degrees
Stern overhang: 10.37 ft / 3.16 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 31.17 ft / 9.50 m
- Forecastle (20 %): 26.25 ft / 8.00 m
- Mid (40 %): 24.41 ft / 7.44 m
- Quarterdeck (15 %): 16.40 ft / 5.00 m (24.41 ft / 7.44 m before break)
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 24.15 ft / 7.36 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 79.0 %
- Above water (accommodation/working, high = better): 187.0 %
Waterplane Area: 62 002 Square feet or 5 760 Square metres
Displacement factor (Displacement / loading): 113 %
Structure weight / hull surface area: 212 lbs/sq ft or 1 037 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.45
- 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 platf