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Valiant, Cascadian Dreadnought laid down 1905

Units: 2


  • CRS Valiant
  • CRS Vigilant


Displacement:
    20,019 t light; 21,087 t standard; 23,189 t normal; 24,870 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
    (530.00 ft / 530.00 ft) x 86.00 ft x (29.00 / 30.74 ft)
    (161.54 m / 161.54 m) x 26.21 m  x (8.84 / 9.37 m)

Armament:
      10 - 12.00" / 305 mm 45.0 cal guns - 870.01lbs / 394.63kg shells, 100 per gun
      Breech loading guns in turret on barbette mounts, 1903 Model
      3 x 2-gun mounts on centreline ends, majority forward
      2 x 2-gun mounts on sides amidships
      16 - 5.00" / 127 mm 50.0 cal guns - 60.01lbs / 27.22kg shells, 200 per gun
      Quick firing guns in casemate mounts, 1900 Model
      16 x Single mounts on sides, evenly spread
        16 hull mounts in casemates- Limited use in heavy seas
      8 - 3.00" / 76.2 mm 50.0 cal guns - 13.01lbs / 5.90kg shells, 250 per gun
      Anti-air guns in deck mounts, 1914 Model
      4 x Single mounts on side ends, evenly spread
        4 raised mounts
      4 x Single mounts on sides, evenly spread
        4 double raised mounts
      Weight of broadside 9,764 lbs / 4,429 kg
      Main Torpedoes
      4 - 21.0" / 533 mm, 16.40 ft / 5.00 m torpedoes - 0.958 t each, 3.833 t total
    submerged side tubes

Armour:
   - Belts:        Width (max)    Length (avg)        Height (avg)
    Main:    12.0" / 305 mm    354.00 ft / 107.90 m    13.00 ft / 3.96 m
    Ends:    6.00" / 152 mm    176.00 ft / 53.64 m    13.00 ft / 3.96 m
    Upper:    9.00" / 229 mm    354.00 ft / 107.90 m    13.00 ft / 3.96 m
      Main Belt covers 103 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
        2.00" / 51 mm    354.00 ft / 107.90 m    26.00 ft / 7.92 m
    Beam between torpedo bulkheads 61.00 ft / 18.59 m

   - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    12.0" / 305 mm    10.0" / 254 mm        11.0" / 279 mm
    2nd:    2.00" / 51 mm    1.00" / 25 mm        1.00" / 25 mm

   - Protected deck - single deck:
    For and Aft decks: 2.00" / 51 mm
    Forecastle: 1.50" / 38 mm  Quarter deck: 3.00" / 76 mm

   - Conning towers: Forward 10.00" / 254 mm, Aft 3.00" / 76 mm

Machinery:
    Coal fired boilers, steam turbines,
    Direct drive, 4 shafts, 32,174 shp / 24,002 Kw = 21.23 kts
    Range 8,000nm at 10.00 kts
    Bunker at max displacement = 3,783 tons (100% coal)

Complement:
    939 - 1,221

Cost:
    £1.952 million / $7.807 million

Distribution of weights at normal displacement:
    Armament: 2,140 tons, 9.2 %
       - Guns: 2,133 tons, 9.2 %
       - Weapons: 8 tons, 0.0 %
    Armour: 9,063 tons, 39.1 %
       - Belts: 4,730 tons, 20.4 %
       - Torpedo bulkhead: 681 tons, 2.9 %
       - Armament: 2,131 tons, 9.2 %
       - Armour Deck: 1,294 tons, 5.6 %
       - Conning Towers: 228 tons, 1.0 %
    Machinery: 2,681 tons, 11.6 %
    Hull, fittings & equipment: 6,134 tons, 26.5 %
    Fuel, ammunition & stores: 3,170 tons, 13.7 %
    Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      29,566 lbs / 13,411 Kg = 34.2 x 12.0 " / 305 mm shells or 6.7 torpedoes
    Stability (Unstable if below 1.00): 1.16
    Metacentric height 5.3 ft / 1.6 m
    Roll period: 15.7 seconds
    Steadiness    - As gun platform (Average = 50 %): 75 %
            - Recoil effect (Restricted arc if above 1.00): 0.58
    Seaboat quality  (Average = 1.00): 1.33

Hull form characteristics:
    Hull has a flush deck,
      a ram bow and a cruiser stern
    Block coefficient (normal/deep): 0.614 / 0.621
    Length to Beam Ratio: 6.16 : 1
    'Natural speed' for length: 23.02 kts
    Power going to wave formation at top speed: 48 %
    Trim (Max stability = 0, Max steadiness = 100): 56
    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 %,  17.50 ft / 5.33 m,  17.50 ft / 5.33 m
       - Forward deck:    30.00 %,  17.50 ft / 5.33 m,  17.50 ft / 5.33 m
       - Aft deck:    35.00 %,  17.50 ft / 5.33 m,  17.50 ft / 5.33 m
       - Quarter deck:    15.00 %,  17.50 ft / 5.33 m,  17.50 ft / 5.33 m
       - Average freeboard:        17.50 ft / 5.33 m
    Ship tends to be wet forward

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 102.6 %
        - Above water (accommodation/working, high = better): 119.9 %
    Waterplane Area: 33,775 Square feet or 3,138 Square metres
    Displacement factor (Displacement / loading): 102 %
    Structure weight / hull surface area: 152 lbs/sq ft or 742 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0.95
        - Longitudinal: 1.55
        - Overall: 1.00
    Adequate machinery, storage, compartmentation space
    Adequate accommodation and workspace room
    Ship has slow, easy roll, a good, steady gun platform
    Good seaboat, rides out heavy weather easily

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