Croiseurs Cuirassés - Armored Cruisers

Started by Jefgte, July 08, 2014, 04:56:27 PM

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Jefgte

After the Dupuy de Lome (6675t - 111x16x7.5 - 2x194+6x164 - 13 000shp & 19.7kts)
"Le Ministère de la Guerre" choose to have an uniform 194mm armament for long range battle.

2 cruisers Neerwinden & Wissembourg laid down in 1890

Neerwinden, France AC laid down 1890

Displacement:
   6 220 t light; 6 532 t standard; 7 419 t normal; 8 128 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (393.50 ft / 388.50 ft) x 45.93 ft (Bulges 52.49 ft) x (22.14 / 24.09 ft)
   (119.94 m / 118.41 m) x 14.00 m (Bulges 16.00 m)  x (6.75 / 7.34 m)

Armament:
      2 - 7.64" / 194 mm 40.0 cal guns - 213.52lbs / 96.85kg shells, 140 per gun
     Breech loading guns in turret on barbette mounts, 1890 Model
     2 x Single mounts on centreline ends, evenly spread
      4 - 7.64" / 194 mm 40.0 cal guns - 213.52lbs / 96.85kg shells, 140 per gun
     Breech loading guns in turret on barbette mounts, 1890 Model
     4 x Single mounts on side ends, evenly spread
      6 - 5.51" / 140 mm 45.0 cal guns - 84.44lbs / 38.30kg shells, 220 per gun
     Breech loading guns in casemate mounts, 1890 Model
     6 x Single mounts on sides, evenly spread
      4 - 1.85" / 47.0 mm 45.0 cal guns - 3.20lbs / 1.45kg shells, 300 per gun
     Quick firing guns in deck mounts, 1890 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 0.31" / 8.0 mm 76.0 cal guns - 0.02lbs / 0.01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1890 Model
     4 x Single mounts on sides, forward deck aft
      4 raised mounts
      Weight of broadside 1 801 lbs / 817 kg
      Main Torpedoes
      2 - 15.0" / 380 mm, 14.96 ft / 4.56 m torpedoes - 0.267 t each, 0.535 t total
   submerged bow & stern tubes
      2nd Torpedoes
      2 - 15.0" / 380 mm, 14.96 ft / 4.56 m torpedoes - 0.267 t each, 0.535 t total
   submerged side tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3.94" / 100 mm   347.77 ft / 106.00 m   8.01 ft / 2.44 m
   Ends:   2.95" / 75 mm     32.81 ft / 10.00 m   8.01 ft / 2.44 m
     7.92 ft / 2.41 m Unarmoured ends
     Main Belt covers 138 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   3.94" / 100 mm   1.57" / 40 mm      2.95" / 75 mm
   2nd:   3.94" / 100 mm   1.57" / 40 mm      2.95" / 75 mm
   3rd:   1.77" / 45 mm         -         1.77" / 45 mm
   4th:   0.39" / 10 mm         -               -
   5th:   0.39" / 10 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1.57" / 40 mm
   Forecastle: 0.98" / 25 mm  Quarter deck: 0.98" / 25 mm

   - Conning towers: Forward 3.94" / 100 mm, Aft 2.95" / 75 mm

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 4 shafts, 14 000 ihp / 10 444 Kw = 20.17 kts
   Range 6 500nm at 10.00 kts
   Bunker at max displacement = 1 595 tons (100% coal)

Complement:
   399 - 519

Cost:
   £0.730 million / $2.920 million

Distribution of weights at normal displacement:
   Armament: 401 tons, 5.4 %
      - Guns: 399 tons, 5.4 %
      - Weapons: 2 tons, 0.0 %
   Armour: 1 094 tons, 14.7 %
      - Belts: 461 tons, 6.2 %
      - Armament: 234 tons, 3.2 %
      - Armour Deck: 342 tons, 4.6 %
      - Conning Towers: 56 tons, 0.8 %
   Machinery: 2 719 tons, 36.6 %
   Hull, fittings & equipment: 1 944 tons, 26.2 %
   Fuel, ammunition & stores: 1 198 tons, 16.2 %
   Miscellaneous weights: 62 tons, 0.8 %
      - Hull below water: 12 tons
      - On freeboard deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 879 lbs / 1 760 Kg = 17.4 x 7.6 " / 194 mm shells or 3.8 torpedoes
   Stability (Unstable if below 1.00): 1.39
   Metacentric height 2.8 ft / 0.8 m
   Roll period: 13.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0.42
   Seaboat quality  (Average = 1.00): 1.44

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.575 / 0.579
   Length to Beam Ratio: 7.40 : 1
   'Natural speed' for length: 19.71 kts
   Power going to wave formation at top speed: 50 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): -30.00 degrees
   Stern overhang: 1.00 ft / 0.30 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  17.06 ft / 5.20 m,  14.76 ft / 4.50 m
      - Forward deck:   30.00 %,  14.76 ft / 4.50 m,  13.12 ft / 4.00 m
      - Aft deck:   30.00 %,  13.12 ft / 4.00 m,  13.12 ft / 4.00 m
      - Quarter deck:   20.00 %,  13.12 ft / 4.00 m,  14.11 ft / 4.30 m
      - Average freeboard:      13.98 ft / 4.26 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 136.9 %
      - Above water (accommodation/working, high = better): 82.4 %
   Waterplane Area: 12 749 Square feet or 1 184 Square metres
   Displacement factor (Displacement / loading): 95 %
   Structure weight / hull surface area: 98 lbs/sq ft or 479 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.94
      - Longitudinal: 1.72
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#1
Fleurus - La Marsaille, France AC2 laid down 1893 (Engine 1890)

Displacement:
   7 000 t light; 7 364 t standard; 8 324 t normal; 9 092 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (431.51 ft / 426.51 ft) x 49.21 ft (Bulges 55.77 ft) x (21.30 / 23.09 ft)
   (131.52 m / 130.00 m) x 15.00 m (Bulges 17.00 m)  x (6.49 / 7.04 m)

Armament:
      4 - 7.64" / 194 mm 40.0 cal guns - 213.52lbs / 96.85kg shells, 140 per gun
     Breech loading guns in turret on barbette mounts, 1893 Model
     2 x Twin mounts on centreline ends, evenly spread
      4 - 7.64" / 194 mm 40.0 cal guns - 213.52lbs / 96.85kg shells, 140 per gun
     Breech loading guns in turret on barbette mounts, 1893 Model
     4 x Single mounts on side ends, evenly spread
      6 - 5.51" / 140 mm 45.0 cal guns - 84.44lbs / 38.30kg shells, 220 per gun
     Breech loading guns in casemate mounts, 1893 Model
     6 x Single mounts on sides, evenly spread
      4 - 1.85" / 47.0 mm 45.0 cal guns - 3.20lbs / 1.45kg shells, 300 per gun
     Quick firing guns in deck mounts, 1893 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 0.31" / 8.0 mm 76.0 cal guns - 0.02lbs / 0.01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1893 Model
     4 x Single mounts on sides, forward deck aft
      4 raised mounts
      Weight of broadside 2 228 lbs / 1 010 kg
      Main Torpedoes
      2 - 15.0" / 380 mm, 14.96 ft / 4.56 m torpedoes - 0.300 t each, 0.600 t total
   submerged bow & stern tubes
      2nd Torpedoes
      2 - 15.0" / 380 mm, 14.96 ft / 4.56 m torpedoes - 0.300 t each, 0.600 t total
   submerged side tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3.94" / 100 mm   377.30 ft / 115.00 m   8.01 ft / 2.44 m
   Ends:   2.95" / 75 mm     32.81 ft / 10.00 m   8.01 ft / 2.44 m
     16.40 ft / 5.00 m Unarmoured ends
     Main Belt covers 136 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   3.94" / 100 mm   1.57" / 40 mm      2.95" / 75 mm
   2nd:   3.94" / 100 mm   1.57" / 40 mm      2.95" / 75 mm
   3rd:   1.77" / 45 mm         -         1.77" / 45 mm
   4th:   0.39" / 10 mm         -               -
   5th:   0.39" / 10 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1.57" / 40 mm
   Forecastle: 0.98" / 25 mm  Quarter deck: 0.98" / 25 mm

   - Conning towers: Forward 3.94" / 100 mm, Aft 2.95" / 75 mm

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 4 shafts, 15 200 ihp / 11 340 Kw = 20.40 kts
   Range 6 500nm at 10.00 kts
   Bunker at max displacement = 1 728 tons (100% coal)

Complement:
   435 - 566

Cost:
   £0.826 million / $3.302 million

Distribution of weights at normal displacement:
   Armament: 466 tons, 5.6 %
      - Guns: 463 tons, 5.6 %
      - Weapons: 2 tons, 0.0 %
   Armour: 1 225 tons, 14.7 %
      - Belts: 498 tons, 6.0 %
      - Armament: 264 tons, 3.2 %
      - Armour Deck: 402 tons, 4.8 %
      - Conning Towers: 61 tons, 0.7 %
   Machinery: 2 952 tons, 35.5 %
   Hull, fittings & equipment: 2 296 tons, 27.6 %
   Fuel, ammunition & stores: 1 324 tons, 15.9 %
   Miscellaneous weights: 62 tons, 0.7 %
      - Hull below water: 12 tons
      - On freeboard deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     4 649 lbs / 2 109 Kg = 20.9 x 7.6 " / 194 mm shells or 3.8 torpedoes
   Stability (Unstable if below 1.00): 1.42
   Metacentric height 3.2 ft / 1.0 m
   Roll period: 13.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 76 %
         - Recoil effect (Restricted arc if above 1.00): 0.44
   Seaboat quality  (Average = 1.00): 1.52

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.575 / 0.579
   Length to Beam Ratio: 7.65 : 1
   'Natural speed' for length: 20.65 kts
   Power going to wave formation at top speed: 47 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): -30.00 degrees
   Stern overhang: 1.00 ft / 0.30 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  17.72 ft / 5.40 m,  15.09 ft / 4.60 m
      - Forward deck:   30.00 %,  15.09 ft / 4.60 m,  13.45 ft / 4.10 m
      - Aft deck:   30.00 %,  13.45 ft / 4.10 m,  13.45 ft / 4.10 m
      - Quarter deck:   20.00 %,  13.45 ft / 4.10 m,  14.44 ft / 4.40 m
      - Average freeboard:      14.33 ft / 4.37 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 135.1 %
      - Above water (accommodation/working, high = better): 91.0 %
   Waterplane Area: 14 996 Square feet or 1 393 Square metres
   Displacement factor (Displacement / loading): 95 %
   Structure weight / hull surface area: 102 lbs/sq ft or 497 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.49
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#2
A serious progress was made by the introduction of the 240mm gun in twin turret in the Castillon class:

Castillon, France AC3 laid down 1895 (Engine 1890)

4 Cruisers in the class:
Castillon - Cocherel - Formigny - Baugé

Displacement:
   9 500 t light; 9 917 t standard; 10 993 t normal; 11 854 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (503.69 ft / 498.69 ft) x 55.77 ft (Bulges 62.34 ft) x (21.53 / 23.04 ft)
   (153.52 m / 152.00 m) x 17.00 m (Bulges 19.00 m)  x (6.56 / 7.02 m)

Armament:
      4 - 9.45" / 240 mm 40.0 cal guns - 404.24lbs / 183.36kg shells, 140 per gun
     Breech loading guns in turret on barbette mounts, 1895 Model
     2 x Twin mounts on centreline ends, evenly spread
      6 - 5.51" / 140 mm 40.0 cal guns - 80.25lbs / 36.40kg shells, 140 per gun
     Breech loading guns in casemate mounts, 1895 Model
     6 x Single mounts on sides, evenly spread
      6 - 3.94" / 100.0 mm 45.0 cal guns - 30.78lbs / 13.96kg shells, 220 per gun
     Breech loading guns in casemate mounts, 1895 Model
     6 x Single mounts on sides, evenly spread
      8 - 2.56" / 65.0 mm 45.0 cal guns - 8.44lbs / 3.83kg shells, 300 per gun
     Quick firing guns in deck mounts, 1895 Model
     4 x Single mounts on side ends, evenly spread
      4 raised mounts
      4 - 0.31" / 8.0 mm 76.0 cal guns - 0.02lbs / 0.01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1895 Model
     4 x Single mounts on sides, forward deck aft
      4 raised mounts
      Weight of broadside 2 351 lbs / 1 066 kg
      Main Torpedoes
      2 - 17.7" / 450 mm, 17.72 ft / 5.40 m torpedoes - 0.524 t each, 1.048 t total
   submerged bow & stern tubes
      2nd Torpedoes
      2 - 17.7" / 450 mm, 17.72 ft / 5.40 m torpedoes - 0.524 t each, 1.048 t total
   submerged side tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   4.72" / 120 mm   459.32 ft / 140.00 m   8.01 ft / 2.44 m
   Ends:   2.95" / 75 mm     32.81 ft / 10.00 m   8.01 ft / 2.44 m
     6.56 ft / 2.00 m Unarmoured ends
     Main Belt covers 142 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5.91" / 150 mm   2.95" / 75 mm      3.94" / 100 mm
   2nd:   1.77" / 45 mm   1.57" / 40 mm      1.77" / 45 mm
   3rd:   0.79" / 20 mm         -               -
   4th:   0.39" / 10 mm         -               -
   5th:   0.39" / 10 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1.57" / 40 mm
   Forecastle: 1.18" / 30 mm  Quarter deck: 1.18" / 30 mm

   - Conning towers: Forward 3.94" / 100 mm, Aft 3.94" / 100 mm

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 4 shafts, 22 000 ihp / 16 412 Kw = 21.76 kts
   Range 6 000nm at 10.00 kts
   Bunker at max displacement = 1 937 tons (100% coal)

Complement:
   536 - 697

Cost:
   £1.098 million / $4.391 million

Distribution of weights at normal displacement:
   Armament: 431 tons, 3.9 %
      - Guns: 427 tons, 3.9 %
      - Weapons: 4 tons, 0.0 %
   Armour: 1 587 tons, 14.4 %
      - Belts: 707 tons, 6.4 %
      - Armament: 246 tons, 2.2 %
      - Armour Deck: 550 tons, 5.0 %
      - Conning Towers: 84 tons, 0.8 %
   Machinery: 4 272 tons, 38.9 %
   Hull, fittings & equipment: 3 138 tons, 28.5 %
   Fuel, ammunition & stores: 1 493 tons, 13.6 %
   Miscellaneous weights: 72 tons, 0.7 %
      - Hull below water: 12 tons
      - On freeboard deck: 60 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     6 077 lbs / 2 757 Kg = 14.4 x 9.4 " / 240 mm shells or 2.4 torpedoes
   Stability (Unstable if below 1.00): 1.52
   Metacentric height 4.3 ft / 1.3 m
   Roll period: 12.7 seconds
   Steadiness   - As gun platform (Average = 50 %): 82 %
         - Recoil effect (Restricted arc if above 1.00): 0.31
   Seaboat quality  (Average = 1.00): 1.64

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.575 / 0.579
   Length to Beam Ratio: 8.00 : 1
   'Natural speed' for length: 22.33 kts
   Power going to wave formation at top speed: 46 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 0.00 degrees
   Stern overhang: 1.00 ft / 0.30 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  19.03 ft / 5.80 m,  16.40 ft / 5.00 m
      - Forward deck:   30.00 %,  16.40 ft / 5.00 m,  15.09 ft / 4.60 m
      - Aft deck:   30.00 %,  15.09 ft / 4.60 m,  15.09 ft / 4.60 m
      - Quarter deck:   20.00 %,  15.09 ft / 4.60 m,  15.75 ft / 4.80 m
      - Average freeboard:      15.83 ft / 4.82 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 141.6 %
      - Above water (accommodation/working, high = better): 108.9 %
   Waterplane Area: 19 872 Square feet or 1 846 Square metres
   Displacement factor (Displacement / loading): 93 %
   Structure weight / hull surface area: 105 lbs/sq ft or 513 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.98
      - Longitudinal: 1.27
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#3
Beaugency, France AC4 laid down 1899

4 cruisers in the class
Beaugency-Pontvalain - Jemappes-Wattignies

Displacement:
   9 840 t light; 10 231 t standard; 11 315 t normal; 12 183 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (485.56 ft / 485.56 ft) x 65.62 ft x (20.38 / 21.67 ft)
   (148.00 m / 148.00 m) x 20.00 m  x (6.21 / 6.60 m)

Armament:
      4 - 9.45" / 240 mm 45.0 cal guns - 425.38lbs / 192.95kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1899 Model
     2 x Twin mounts on centreline, evenly spread
      6 - 6.46" / 164 mm 45.0 cal guns - 135.74lbs / 61.57kg shells, 150 per gun
     Breech loading guns in deck mounts, 1899 Model
     6 x Single mounts on sides, evenly spread
      8 - 1.85" / 47.0 mm 45.0 cal guns - 3.20lbs / 1.45kg shells, 200 per gun
     Breech loading guns in deck mounts, 1899 Model
     8 x Single mounts on side ends, evenly spread
      4 raised mounts - superfiring
      Weight of broadside 2 542 lbs / 1 153 kg
      Main Torpedoes
      2 - 17.7" / 450 mm, 17.72 ft / 5.40 m torpedoes - 0.601 t each, 1.202 t total
   submerged side tubes
      2nd Torpedoes
      2 - 17.7" / 450 mm, 17.72 ft / 5.40 m torpedoes - 0.601 t each, 1.202 t total
   submerged side tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   4.72" / 120 mm   452.76 ft / 138.00 m   9.84 ft / 3.00 m
   Ends:   Unarmoured
     Main Belt covers 143 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5.91" / 150 mm   1.97" / 50 mm      4.72" / 120 mm
   2nd:   1.57" / 40 mm         -               -
   3rd:   0.49" / 13 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1.57" / 40 mm

   - Conning towers: Forward 4.72" / 120 mm, Aft 0.00" / 0 mm

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 4 shafts, 24 600 ihp / 18 351 Kw = 22.11 kts
   Range 7 000nm at 10.00 kts
   Bunker at max displacement = 1 951 tons (100% coal)

Complement:
   548 - 713

Cost:
   £1.158 million / $4.634 million

Distribution of weights at normal displacement:
   Armament: 509 tons, 4.5 %
      - Guns: 504 tons, 4.5 %
      - Weapons: 5 tons, 0.0 %
   Armour: 1 686 tons, 14.9 %
      - Belts: 833 tons, 7.4 %
      - Armament: 238 tons, 2.1 %
      - Armour Deck: 565 tons, 5.0 %
      - Conning Tower: 51 tons, 0.5 %
   Machinery: 4 393 tons, 38.8 %
   Hull, fittings & equipment: 3 210 tons, 28.4 %
   Fuel, ammunition & stores: 1 475 tons, 13.0 %
   Miscellaneous weights: 42 tons, 0.4 %
      - Hull below water: 12 tons
      - On freeboard deck: 30 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     6 884 lbs / 3 122 Kg = 16.3 x 9.4 " / 240 mm shells or 2.2 torpedoes
   Stability (Unstable if below 1.00): 1.59
   Metacentric height 5.8 ft / 1.8 m
   Roll period: 11.4 seconds
   Steadiness   - As gun platform (Average = 50 %): 79 %
         - Recoil effect (Restricted arc if above 1.00): 0.29
   Seaboat quality  (Average = 1.00): 1.58

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.610 / 0.618
   Length to Beam Ratio: 7.40 : 1
   'Natural speed' for length: 22.04 kts
   Power going to wave formation at top speed: 49 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 0.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18.00 %,  19.69 ft / 6.00 m,  16.40 ft / 5.00 m
      - Forward deck:   32.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
      - Aft deck:   34.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
      - Quarter deck:   16.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
      - Average freeboard:      16.64 ft / 5.07 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 143.0 %
      - Above water (accommodation/working, high = better): 134.1 %
   Waterplane Area: 23 521 Square feet or 2 185 Square metres
   Displacement factor (Displacement / loading): 91 %
   Structure weight / hull surface area: 103 lbs/sq ft or 501 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.37
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

Conflans-Coligny, France AC5 laid down 1900

Displacement:
   6 995 t light; 7 321 t standard; 8 181 t normal; 8 869 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (393.70 ft / 393.70 ft) x 59.06 ft (Bulges 65.62 ft) x (18.47 / 19.89 ft)
   (120.00 m / 120.00 m) x 18.00 m (Bulges 20.00 m)  x (5.63 / 6.06 m)

Armament:
      4 - 9.45" / 240 mm 45.0 cal guns - 425.38lbs / 192.95kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1900 Model
     2 x Twin mounts on centreline ends, evenly spread
      6 - 5.51" / 140 mm 45.0 cal guns - 84.44lbs / 38.30kg shells, 200 per gun
     Breech loading guns in casemate mounts, 1900 Model
     6 x Single mounts on sides, evenly spread
      8 - 2.95" / 75.0 mm 45.0 cal guns - 12.99lbs / 5.89kg shells, 200 per gun
     Quick firing guns in deck mounts, 1900 Model
     8 x Single mounts on side ends, evenly spread
      8 raised mounts
      Weight of broadside 2 312 lbs / 1 049 kg
      Main Torpedoes
      2 - 17.7" / 450 mm, 17.72 ft / 5.40 m torpedoes - 0.623 t each, 1.245 t total
   submerged bow & stern tubes
      2nd Torpedoes
      2 - 17.7" / 450 mm, 17.72 ft / 5.40 m torpedoes - 0.623 t each, 1.245 t total
   submerged side tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   4.72" / 120 mm   354.33 ft / 108.00 m   9.19 ft / 2.80 m
   Ends:   1.57" / 40 mm     32.81 ft / 10.00 m   7.87 ft / 2.40 m
     6.56 ft / 2.00 m Unarmoured ends
     Main Belt covers 138 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5.51" / 140 mm   1.97" / 50 mm      4.72" / 120 mm
   2nd:   0.79" / 20 mm         -               -
   3rd:   0.79" / 20 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1.57" / 40 mm
   Forecastle: 0.98" / 25 mm  Quarter deck: 0.98" / 25 mm

   - Conning towers: Forward 4.72" / 120 mm, Aft 0.00" / 0 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 4 shafts, 18 475 ihp / 13 782 Kw = 21.09 kts
   Range 7 000nm at 10.00 kts
   Bunker at max displacement = 1 548 tons (100% coal)

Complement:
   429 - 559

Cost:
   £0.837 million / $3.350 million

Distribution of weights at normal displacement:
   Armament: 480 tons, 5.9 %
      - Guns: 475 tons, 5.8 %
      - Weapons: 5 tons, 0.1 %
   Armour: 1 326 tons, 16.2 %
      - Belts: 633 tons, 7.7 %
      - Armament: 195 tons, 2.4 %
      - Armour Deck: 456 tons, 5.6 %
      - Conning Tower: 41 tons, 0.5 %
   Machinery: 2 887 tons, 35.3 %
   Hull, fittings & equipment: 2 213 tons, 27.1 %
   Fuel, ammunition & stores: 1 186 tons, 14.5 %
   Miscellaneous weights: 90 tons, 1.1 %
      - Hull below water: 10 tons
      - Hull above water: 30 tons
      - Above deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     4 844 lbs / 2 197 Kg = 11.5 x 9.4 " / 240 mm shells or 2.0 torpedoes
   Stability (Unstable if below 1.00): 1.58
   Metacentric height 4.9 ft / 1.5 m
   Roll period: 12.5 seconds
   Steadiness   - As gun platform (Average = 50 %): 74 %
         - Recoil effect (Restricted arc if above 1.00): 0.24
   Seaboat quality  (Average = 1.00): 1.19

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.600 / 0.604
   Length to Beam Ratio: 6.00 : 1
   'Natural speed' for length: 19.84 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 62
   Bow angle (Positive = bow angles forward): 0.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  17.06 ft / 5.20 m,  13.45 ft / 4.10 m
      - Forward deck:   30.00 %,  13.45 ft / 4.10 m,  13.12 ft / 4.00 m
      - Aft deck:   30.00 %,  13.12 ft / 4.00 m,  13.12 ft / 4.00 m
      - Quarter deck:   20.00 %,  13.12 ft / 4.00 m,  13.12 ft / 4.00 m
      - Average freeboard:      13.53 ft / 4.12 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 137.4 %
      - Above water (accommodation/working, high = better): 99.7 %
   Waterplane Area: 17 005 Square feet or 1 580 Square metres
   Displacement factor (Displacement / loading): 91 %
   Structure weight / hull surface area: 99 lbs/sq ft or 485 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.95
      - Longitudinal: 1.50
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

Misc Weight 90t :
10t for 12 torpedoes (3/sub.tube)
15t for extra pump installation
15t for climatization
25t for long range wireless
25t reserved
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf