Ash19256

Ta-class battleship

Apr 30th, 2020
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  1. Taker, Abyssal Ta-class battleship laid down 1939
  2.  
  3. Displacement:
  4. 60,491 t light; 64,422 t standard; 70,662 t normal; 75,654 t full load
  5.  
  6. Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
  7. (938.21 ft / 910.00 ft) x 122.00 ft x (40.80 / 42.97 ft)
  8. (285.96 m / 277.37 m) x 37.19 m x (12.44 / 13.10 m)
  9.  
  10. Armament:
  11. 9 - 16.00" / 406 mm 50.0 cal guns - 2,700.00lbs / 1,224.70kg shells, 150 per gun
  12. Breech loading guns in turret on barbette mounts, 1939 Model
  13. 3 x 3-gun mounts on centreline ends, majority forward
  14. 1 raised mount - superfiring
  15. 20 - 5.00" / 127 mm 38.0 cal guns - 55.29lbs / 25.08kg shells, 450 per gun
  16. Dual purpose guns in deck and hoist mounts, 1939 Model
  17. 10 x Twin mounts on sides, evenly spread
  18. 4 raised mounts
  19. 80 - 1.57" / 40.0 mm 56.3 cal guns - 1.98lbs / 0.90kg shells, 2,000 per gun
  20. Anti-air guns in deck mounts, 1939 Model
  21. 20 x Quad mounts on sides, evenly spread
  22. 10 raised mounts
  23. 68 - 0.79" / 20.0 mm 70.0 cal guns - 0.26lbs / 0.12kg shells, 4,000 per gun
  24. Anti-air guns in deck mounts, 1939 Model
  25. 68 x Single mounts on sides, evenly spread
  26. Weight of broadside 25,583 lbs / 11,604 kg
  27.  
  28. Armour:
  29. - Belts: Width (max) Length (avg) Height (avg)
  30. Main: 12.1" / 307 mm 491.40 ft / 149.78 m 13.25 ft / 4.04 m
  31. Ends: 1.00" / 25 mm 418.58 ft / 127.58 m 13.25 ft / 4.04 m
  32. Upper: 8.00" / 203 mm 491.40 ft / 149.78 m 8.00 ft / 2.44 m
  33. Main Belt covers 83 % of normal length
  34.  
  35. - Torpedo Bulkhead - Additional damage containing bulkheads:
  36. 4.00" / 102 mm 491.40 ft / 149.78 m 37.62 ft / 11.47 m
  37. Beam between torpedo bulkheads 95.00 ft / 28.96 m
  38.  
  39. - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
  40. Main: 19.5" / 495 mm 11.0" / 279 mm 17.3" / 439 mm
  41. 2nd: 3.00" / 76 mm 1.00" / 25 mm 3.00" / 76 mm
  42. 3rd: 0.25" / 6 mm - -
  43.  
  44. - Armoured deck - multiple decks:
  45. For and Aft decks: 7.00" / 178 mm
  46. Forecastle: 1.00" / 25 mm Quarter deck: 1.00" / 25 mm
  47.  
  48. - Conning towers: Forward 17.30" / 439 mm, Aft 17.30" / 439 mm
  49.  
  50. Machinery:
  51. Oil fired boilers, steam turbines, plus diesel motors,
  52. Electric motors, 4 shafts, 245,809 shp / 183,374 Kw = 33.00 kts
  53. Range 15,000nm at 15.00 kts
  54. Bunker at max displacement = 11,231 tons
  55.  
  56. Complement:
  57. 2,166 - 2,817
  58.  
  59. Cost:
  60. £30.147 million / $120.587 million
  61.  
  62. Distribution of weights at normal displacement:
  63. Armament: 4,570 tons, 6.5 %
  64. - Guns: 4,570 tons, 6.5 %
  65. Armour: 22,712 tons, 32.1 %
  66. - Belts: 5,101 tons, 7.2 %
  67. - Torpedo bulkhead: 2,736 tons, 3.9 %
  68. - Armament: 5,615 tons, 7.9 %
  69. - Armour Deck: 7,986 tons, 11.3 %
  70. - Conning Towers: 1,274 tons, 1.8 %
  71. Machinery: 6,651 tons, 9.4 %
  72. Hull, fittings & equipment: 26,269 tons, 37.2 %
  73. Fuel, ammunition & stores: 10,171 tons, 14.4 %
  74. Miscellaneous weights: 290 tons, 0.4 %
  75. - Hull above water: 50 tons
  76. - Above deck: 240 tons
  77.  
  78. Overall survivability and seakeeping ability:
  79. Survivability (Non-critical penetrating hits needed to sink ship):
  80. 127,217 lbs / 57,705 Kg = 62.1 x 16.0 " / 406 mm shells or 22.2 torpedoes
  81. Stability (Unstable if below 1.00): 1.08
  82. Metacentric height 7.8 ft / 2.4 m
  83. Roll period: 18.4 seconds
  84. Steadiness - As gun platform (Average = 50 %): 70 %
  85. - Recoil effect (Restricted arc if above 1.00): 0.86
  86. Seaboat quality (Average = 1.00): 1.41
  87.  
  88. Hull form characteristics:
  89. Hull has a flush deck,
  90. an extended bulbous bow and large transom stern
  91. Block coefficient (normal/deep): 0.546 / 0.555
  92. Length to Beam Ratio: 7.46 : 1
  93. 'Natural speed' for length: 35.07 kts
  94. Power going to wave formation at top speed: 53 %
  95. Trim (Max stability = 0, Max steadiness = 100): 50
  96. Bow angle (Positive = bow angles forward): 28.00 degrees
  97. Stern overhang: 8.00 ft / 2.44 m
  98. Freeboard (% = length of deck as a percentage of waterline length):
  99. Fore end, Aft end
  100. - Forecastle: 23.00 %, 38.00 ft / 11.58 m, 34.00 ft / 10.36 m
  101. - Forward deck: 27.00 %, 34.00 ft / 10.36 m, 34.00 ft / 10.36 m
  102. - Aft deck: 27.00 %, 34.00 ft / 10.36 m, 34.00 ft / 10.36 m
  103. - Quarter deck: 23.00 %, 34.00 ft / 10.36 m, 34.00 ft / 10.36 m
  104. - Average freeboard: 34.37 ft / 10.48 m
  105.  
  106. Ship space, strength and comments:
  107. Space - Hull below water (magazines/engines, low = better): 77.7 %
  108. - Above water (accommodation/working, high = better): 240.3 %
  109. Waterplane Area: 80,355 Square feet or 7,465 Square metres
  110. Displacement factor (Displacement / loading): 125 %
  111. Structure weight / hull surface area: 238 lbs/sq ft or 1,161 Kg/sq metre
  112. Hull strength (Relative):
  113. - Cross-sectional: 0.93
  114. - Longitudinal: 1.90
  115. - Overall: 1.00
  116. Excellent machinery, storage, compartmentation space
  117. Excellent accommodation and workspace room
  118. Ship has slow, easy roll, a good, steady gun platform
  119. Good seaboat, rides out heavy weather easily
  120.  
  121. Aviation Facilities:
  122. -3x floatplanes
  123. -2x catapults
  124. -Internal maintenance bay
  125.  
  126. Also carries a pair of floatplane recovery and movement cranes, as well as command facilities. (Features shared with Tarant-variant Ta-class)
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