(1892) Temeraire Class - LB

-- Overview --
Class of three ships Temeraire, Ulm, and Jean Bart. Lain down January 1892, and completed October 1893. Significantly increase belt (14") and deck (1.25") armor over previous designs. Tertiary battery upgraded with 9cm/45 caliber model 1892 weapons.
-- Design --
Temeraire Class, Celtica BB laid down 1892
Displacement:
   10,478 t light; 11,100 t standard; 11,997 t normal; 12,715 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (360.00 ft / 360.00 ft) x 72.00 ft x (27.00 / 28.33 ft)
   (109.73 m / 109.73 m) x 21.95 m  x (8.23 / 8.63 m)
Armament:
     4 - 12.99" / 330 mm 35.0 cal guns - 1,100.00lbs / 498.95kg shells, 60 per gun
     Breech loading guns in turret on barbette mounts, 1887 Model
     2 x 2-gun mounts on centreline ends, evenly spread
     12 - 7.48" / 190 mm 40.0 cal guns - 200.00lbs / 90.72kg shells, 150 per gun
     Breech loading guns in casemate mounts, 1888 Model
     12 x Single mounts on sides, evenly spread
       12 hull mounts in casemates- Limited use in all but light seas
     12 - 3.54" / 90.0 mm 45.0 cal guns - 20.00lbs / 9.07kg shells, 250 per gun
     Quick firing guns in deck mounts, 1892 Model
     12 x Single mounts on sides, evenly spread
     4 - 1.57" / 40.0 mm 50.0 cal guns - 2.01lbs / 0.91kg shells, 400 per gun
     Quick firing guns in deck mounts, 1892 Model
     4 x Single mounts on sides, evenly spread
       4 raised mounts
     Weight of broadside 7,048 lbs / 3,197 kg
     Main Torpedoes
     4 - 17.7" / 450 mm, 13.12 ft / 4.00 m torpedoes - 0.353 t each, 1.413 t total
   submerged side tubes
Armour:
  - Belts:        Width (max)    Length (avg)        Height (avg)
   Main:    14.0" / 356 mm    216.00 ft / 65.84 m    9.50 ft / 2.90 m
   Ends:    6.00" / 152 mm    144.00 ft / 43.89 m    9.50 ft / 2.90 m
   Upper:    6.00" / 152 mm    216.00 ft / 65.84 m    7.50 ft / 2.29 m
     Main Belt covers 92 % of normal length
  - Torpedo Bulkhead - Strengthened structural bulkheads:
       1.00" / 25 mm    216.00 ft / 65.84 m    25.00 ft / 7.62 m
   Beam between torpedo bulkheads 65.00 ft / 19.81 m
  - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
   Main:    14.0" / 356 mm    8.00" / 203 mm        11.6" / 295 mm
   2nd:    5.00" / 127 mm    1.25" / 32 mm        1.25" / 32 mm
   3rd:    1.25" / 32 mm    0.50" / 13 mm              -
  - Protected deck - multiple decks:
   For and Aft decks: 3.05" / 77 mm
   Forecastle: 1.30" / 33 mm  Quarter deck: 1.30" / 33 mm
  - Conning towers: Forward 13.00" / 330 mm, Aft 0.00" / 0 mm
Machinery:
   Coal fired boilers, complex reciprocating steam engines, 
   Direct drive, 2 shafts, 10,411 ihp / 7,766 Kw = 17.00 kts
   Range 5,097nm at 10.00 kts
   Bunker at max displacement = 1,616 tons (100% coal)
Complement:
   573 - 745
Cost:
   £1.031 million / $4.125 million
Distribution of weights at normal displacement:
   Armament: 1,028 tons, 8.6 %
      - Guns: 1,026 tons, 8.5 %
      - Weapons: 3 tons, 0.0 %
   Armour: 4,390 tons, 36.6 %
      - Belts: 2,092 tons, 17.4 %
      - Torpedo bulkhead: 200 tons, 1.7 %
      - Armament: 1,015 tons, 8.5 %
      - Armour Deck: 936 tons, 7.8 %
      - Conning Tower: 147 tons, 1.2 %
   Machinery: 1,859 tons, 15.5 %
   Hull, fittings & equipment: 3,201 tons, 26.7 %
   Fuel, ammunition & stores: 1,519 tons, 12.7 %
   Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     14,257 lbs / 6,467 Kg = 13.0 x 13.0 " / 330 mm shells or 9.3 torpedoes
   Stability (Unstable if below 1.00): 1.38
   Metacentric height 5.4 ft / 1.6 m
   Roll period: 13.0 seconds
   Steadiness    - As gun platform (Average = 50 %): 71 %
           - Recoil effect (Restricted arc if above 1.00): 0.52
   Seaboat quality  (Average = 1.00): 1.42
Hull form characteristics:
   Hull has low quarterdeck ,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.600 / 0.606
   Length to Beam Ratio: 5.00 : 1
   'Natural speed' for length: 18.97 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:    20.00 %,  15.00 ft / 4.57 m,  15.00 ft / 4.57 m
      - Forward deck:    30.00 %,  15.00 ft / 4.57 m,  15.00 ft / 4.57 m
      - Aft deck:    30.00 %,  15.00 ft / 4.57 m,  15.00 ft / 4.57 m
      - Quarter deck:    20.00 %,  7.50 ft / 2.29 m,  7.50 ft / 2.29 m
      - Average freeboard:        13.50 ft / 4.11 m
   Ship tends to be wet forward
Ship space, strength and comments:
   Space    - Hull below water (magazines/engines, low = better): 91.6 %
       - Above water (accommodation/working, high = better): 94.5 %
   Waterplane Area: 18,957 Square feet or 1,761 Square metres
   Displacement factor (Displacement / loading): 100 %
   Structure weight / hull surface area: 145 lbs/sq ft or 710 Kg/sq metre
   Hull strength (Relative):
       - Cross-sectional: 0.89
       - Longitudinal: 2.68
       - 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
Armament:
33cm/35 model 1887
19cm/40 model 1892
9cm/45 model 1892
4cm/50 model 1892
45cm/4 model 1892
Armor:
Main belt extends 2' below waterline
1.25" protected deck & slopes plus 1.25" battery and 0.5" upper
Main barbette 14" above battery 8" below