FANDOM


Defiant, Cascadian Fast Battleship laid down 1925

Units: 4 planned

  • CRS Defiant
  • CRS Reliant
  • CRS Reprisal
  • CRS Warrior

Design SpecificationsEdit

Displacement:
    51,850 t light; 55,000 t standard; 59,998 t normal; 63,997 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
    (920.47 ft / 910.00 ft) x 114.00 ft x (33.00 / 34.75 ft)
    (280.56 m / 277.37 m) x 34.75 m  x (10.06 / 10.59 m)

Armament:
      9 - 16.00" / 406 mm 50.0 cal guns - 2,400.00lbs / 1,088.62kg shells, 125 per gun
      Breech loading guns in turret on barbette mounts, 1925 Model
      3 x 3-gun mounts on centreline ends, majority forward
        1 raised mount - superfiring
      16 - 5.00" / 127 mm 43.0 cal guns - 61.05lbs / 27.69kg shells, 500 per gun
      Dual purpose guns in deck and hoist mounts, 1925 Model
      8 x Twin mounts on sides, evenly spread
      40 - 1.57" / 40.0 mm 40.0 cal guns - 1.87lbs / 0.85kg shells, 4,000 per gun
      Anti-air guns in deck mounts, 1925 Model
      4 x 4 row quad mounts on sides, evenly spread
      6 x 4 row quad mounts on side ends, majority aft
      20 - 1.00" / 25.4 mm 50.0 cal guns - 0.53lbs / 0.24kg shells, 2,000 per gun
      Anti-air guns in deck mounts, 1925 Model
      10 x Twin mounts on sides, evenly spread
      Weight of broadside 22,662 lbs / 10,279 kg

Armour:
   - Belts:        Width (max)    Length (avg)        Height (avg)
    Main:    15.0" / 381 mm    532.00 ft / 162.15 m    17.00 ft / 5.18 m
    Ends:    Unarmoured
      Main Belt covers 90 % of normal length
      Main Belt inclined 15.00 degrees (positive = in)

   - Torpedo Bulkhead - Additional damage containing bulkheads:
        4.00" / 102 mm    532.00 ft / 162.15 m    31.00 ft / 9.45 m
    Beam between torpedo bulkheads 89.00 ft / 27.13 m

   - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    18.0" / 457 mm    11.0" / 279 mm        14.0" / 356 mm
    2nd:    1.00" / 25 mm    0.50" / 13 mm        1.00" / 25 mm

   - Armoured deck - single deck:
    For and Aft decks: 6.00" / 152 mm
    Forecastle: 1.00" / 25 mm  Quarter deck: 1.00" / 25 mm

   - Conning towers: Forward 14.00" / 356 mm, Aft 4.00" / 102 mm

Machinery:
    Oil fired boilers, steam turbines,
    Electric cruising motors plus geared drives, 4 shafts, 208,000 shp / 155,168 Kw = 32.11 kts
    Range 10,000nm at 16.00 kts
    Bunker at max displacement = 8,997 tons

Complement:
    1,916 - 2,491

Cost:
    £15.955 million / $63.820 million

Distribution of weights at normal displacement:
    Armament: 4,520 tons, 7.5 %
       - Guns: 4,520 tons, 7.5 %
    Armour: 19,734 tons, 32.9 %
       - Belts: 5,900 tons, 9.8 %
       - Torpedo bulkhead: 2,441 tons, 4.1 %
       - Armament: 3,786 tons, 6.3 %
       - Armour Deck: 7,013 tons, 11.7 %
       - Conning Towers: 594 tons, 1.0 %
    Machinery: 6,753 tons, 11.3 %
    Hull, fittings & equipment: 20,793 tons, 34.7 %
    Fuel, ammunition & stores: 8,148 tons, 13.6 %
    Miscellaneous weights: 50 tons, 0.1 %
       - On freeboard deck: 50 tons

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      82,395 lbs / 37,374 Kg = 40.2 x 16.0 " / 406 mm shells or 13.6 torpedoes
    Stability (Unstable if below 1.00): 1.07
    Metacentric height 7.0 ft / 2.1 m
    Roll period: 18.2 seconds
    Steadiness    - As gun platform (Average = 50 %): 70 %
            - Recoil effect (Restricted arc if above 1.00): 0.68
    Seaboat quality  (Average = 1.00): 1.04

Hull form characteristics:
    Hull has a flush deck,
      a normal bow and large transom stern
    Block coefficient (normal/deep): 0.613 / 0.621
    Length to Beam Ratio: 7.98 : 1
    'Natural speed' for length: 34.62 kts
    Power going to wave formation at top speed: 52 %
    Trim (Max stability = 0, Max steadiness = 100): 67
    Bow angle (Positive = bow angles forward): 10.00 degrees
    Stern overhang: 5.00 ft / 1.52 m
    Freeboard (% = length of deck as a percentage of waterline length):
                Fore end,     Aft end
       - Forecastle:    22.00 %,  31.00 ft / 9.45 m,  25.00 ft / 7.62 m
       - Forward deck:    29.00 %,  25.00 ft / 7.62 m,  22.00 ft / 6.71 m
       - Aft deck:    27.00 %,  22.00 ft / 6.71 m,  22.00 ft / 6.71 m
       - Quarter deck:    22.00 %,  22.00 ft / 6.71 m,  22.00 ft / 6.71 m
       - Average freeboard:        23.62 ft / 7.20 m
    Ship tends to be wet forward

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 89.8 %
        - Above water (accommodation/working, high = better): 181.4 %
    Waterplane Area: 80,094 Square feet or 7,441 Square metres
    Displacement factor (Displacement / loading): 112 %
    Structure weight / hull surface area: 215 lbs/sq ft or 1,048 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0.99
        - Longitudinal: 1.01
        - Overall: 1.00
    Adequate machinery, storage, compartmentation space
    Excellent accommodation and workspace room
    Ship has slow, easy roll, a good, steady gun platform

2 Scout Aircraft Included



Building Information Edit

CRS Defiant
Builder: Reilly & Colette Inc., Bremerton
Laid: 26 March 1925


CRS Reliant
Builder: Reilly & Colette Inc., Bremerton
Laid: 2 April 1925


CRS Reprisal
Builder: Moran Brothers Ltd., Seattle
Laid: 4 May 1925


CRS Warrior
Builder: Moran Brothers Ltd., Seattle
To be Laid: Q3 1925

Ad blocker interference detected!


Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.