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Bei Yong-Class Heavy Cruiser (1936) (Taishe)

pointlessbluearrow Feb 16th, 2020 (edited) 164 Never
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  1. Bei Yong-Class, Taishe Dynasty Heavy Cruiser laid down 1936 (Engine 1938)
  2.  
  3. Displacement:
  4.     17,510 t light; 18,275 t standard; 19,483 t normal; 20,449 t full load
  5.  
  6. Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
  7.     (727.68 ft / 721.78 ft) x 75.46 ft x (26.25 / 27.16 ft)
  8.     (221.80 m / 220.00 m) x 23.00 m  x (8.00 / 8.28 m)
  9.  
  10. Armament:
  11.       8 - 9.84" / 250 mm 50.0 cal guns - 518.09lbs / 235.00kg shells, 100 per gun
  12.       Breech loading guns in turret on barbette mounts, 1934 Model
  13.       4 x Twin mounts on centreline, evenly spread
  14.         2 raised mounts
  15.       8 - 5.91" / 150 mm 50.0 cal guns - 109.02lbs / 49.45kg shells, 250 per gun
  16.       Quick firing guns in turret on barbette mounts, 1934 Model
  17.       4 x Twin mounts on sides, evenly spread
  18.       8 - 3.15" / 80.0 mm 60.0 cal guns - 17.11lbs / 7.76kg shells, 300 per gun
  19.       Dual purpose guns in deck and hoist mounts, 1934 Model
  20.       4 x Twin mounts on sides, evenly spread
  21.         4 raised mounts
  22.       16 - 0.79" / 20.0 mm 75.0 cal guns - 0.29lbs / 0.13kg shells, 500 per gun
  23.       Anti-air guns in deck mounts, 1936 Model
  24.       4 x 2 row quad mounts on sides, evenly spread
  25.       Weight of broadside 5,158 lbs / 2,340 kg
  26.  
  27. Armour:
  28.    - Belts:     Width (max) Length (avg)        Height (avg)
  29.     Main:   9.84" / 250 mm  393.70 ft / 120.00 m    10.20 ft / 3.11 m
  30.     Ends:   1.97" / 50 mm   328.08 ft / 100.00 m    10.20 ft / 3.11 m
  31.     Upper:  1.97" / 50 mm   393.70 ft / 120.00 m    8.01 ft / 2.44 m
  32.       Main Belt covers 84 % of normal length
  33.  
  34.    - Torpedo Bulkhead - Additional damage containing bulkheads:
  35.         1.97" / 50 mm   393.70 ft / 120.00 m    16.57 ft / 5.05 m
  36.     Beam between torpedo bulkheads 57.41 ft / 17.50 m
  37.  
  38.    - Gun armour:    Face (max)  Other gunhouse (avg)    Barbette/hoist (max)
  39.     Main:   9.84" / 250 mm  5.91" / 150 mm      5.91" / 150 mm
  40.     2nd:    5.91" / 150 mm  3.94" / 100 mm      3.94" / 100 mm
  41.     3rd:    2.95" / 75 mm   1.97" / 50 mm       1.97" / 50 mm
  42.     4th:    1.97" / 50 mm         -               -
  43.  
  44.    - Armoured deck - multiple decks:
  45.     For and Aft decks: 3.94" / 100 mm
  46.     Forecastle: 1.97" / 50 mm  Quarter deck: 1.97" / 50 mm
  47.  
  48.    - Conning towers: Forward 7.87" / 200 mm, Aft 0.00" / 0 mm
  49.  
  50. Machinery:
  51.     Oil fired boilers, steam turbines,
  52.     Geared drive, 4 shafts, 80,761 shp / 60,248 Kw = 30.00 kts
  53.     Range 10,000nm at 12.00 kts
  54.     Bunker at max displacement = 2,174 tons
  55.  
  56. Complement:
  57.     823 - 1,071
  58.  
  59. Cost:
  60.     £7.660 million / $30.638 million
  61.  
  62. Distribution of weights at normal displacement:
  63.     Armament: 1,265 tons, 6.5 %
  64.        - Guns: 1,265 tons, 6.5 %
  65.     Armour: 6,464 tons, 33.2 %
  66.        - Belts: 2,188 tons, 11.2 %
  67.        - Torpedo bulkhead: 475 tons, 2.4 %
  68.        - Armament: 1,217 tons, 6.2 %
  69.        - Armour Deck: 2,461 tons, 12.6 %
  70.        - Conning Tower: 123 tons, 0.6 %
  71.     Machinery: 2,211 tons, 11.4 %
  72.     Hull, fittings & equipment: 7,270 tons, 37.3 %
  73.     Fuel, ammunition & stores: 1,973 tons, 10.1 %
  74.     Miscellaneous weights: 300 tons, 1.5 %
  75.        - Hull above water: 200 tons
  76.        - Above deck: 100 tons
  77.  
  78. Overall survivability and seakeeping ability:
  79.     Survivability (Non-critical penetrating hits needed to sink ship):
  80.       32,097 lbs / 14,559 Kg = 67.3 x 9.8 " / 250 mm shells or 5.1 torpedoes
  81.     Stability (Unstable if below 1.00): 1.01
  82.     Metacentric height 3.3 ft / 1.0 m
  83.     Roll period: 17.3 seconds
  84.     Steadiness  - As gun platform (Average = 50 %): 65 %
  85.             - Recoil effect (Restricted arc if above 1.00): 0.71
  86.     Seaboat quality  (Average = 1.00): 1.29
  87.  
  88. Hull form characteristics:
  89.     Hull has a flush deck,
  90.       a straight bulbous bow and large transom stern
  91.     Block coefficient (normal/deep): 0.477 / 0.484
  92.     Length to Beam Ratio: 9.57 : 1
  93.     'Natural speed' for length: 30.85 kts
  94.     Power going to wave formation at top speed: 48 %
  95.     Trim (Max stability = 0, Max steadiness = 100): 50
  96.     Bow angle (Positive = bow angles forward): 5.00 degrees
  97.     Stern overhang: 3.28 ft / 1.00 m
  98.     Freeboard (% = length of deck as a percentage of waterline length):
  99.                 Fore end,    Aft end
  100.        - Forecastle:    20.00 %,  29.86 ft / 9.10 m,  24.28 ft / 7.40 m
  101.        - Forward deck:  30.00 %,  24.28 ft / 7.40 m,  18.70 ft / 5.70 m
  102.        - Aft deck:  35.00 %,  18.70 ft / 5.70 m,  18.70 ft / 5.70 m
  103.        - Quarter deck:  15.00 %,  18.70 ft / 5.70 m,  18.70 ft / 5.70 m
  104.        - Average freeboard:     21.10 ft / 6.43 m
  105.  
  106. Ship space, strength and comments:
  107.     Space   - Hull below water (magazines/engines, low = better): 83.5 %
  108.         - Above water (accommodation/working, high = better): 170.9 %
  109.     Waterplane Area: 36,949 Square feet or 3,433 Square metres
  110.     Displacement factor (Displacement / loading): 120 %
  111.     Structure weight / hull surface area: 141 lbs/sq ft or 688 Kg/sq metre
  112.     Hull strength (Relative):
  113.         - Cross-sectional: 0.98
  114.         - Longitudinal: 1.22
  115.         - Overall: 1.00
  116.     Adequate machinery, storage, compartmentation space
  117.     Excellent accommodation and workspace room
  118.     Good seaboat, rides out heavy weather easily
  119.  
  120. 100 Tons (Additional) Above Deck:
  121. =====================
  122. -2 Heavy Cranes (2*25=50 Tons)
  123. -2 Rotating Compressed Air Catapults (2*25=50 Tons)
  124.  
  125. 200 Tons (Additional) in the Hull Above Waterline:
  126. =====================
  127. -4 Seaplanes with accompanying hangars (4*(30+20))
  128.  
  129. Split Barbette (Mean: 150mm):
  130. =====================
  131. 200mm above Armored Deck
  132. 100mm below Armored Deck
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