Erelis-class Armoured Cruiser (1894)

Erelis-class Armoured Cruiser
== Erelis-class, Liotainian Armoured Cruiser laid down 1894 ==
=== Displacement: ===
   9,015 t light; 9,562 t standard; 11,115 t normal; 12,357 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (501.97 ft / 492.13 ft) x 65.62 ft x (23.62 / 25.62 ft)
   (153.00 m / 150.00 m) x 20.00 m  x (7.20 / 7.81 m)
=== Armament: ===
     4 - 8.66" / 220 mm 45.0 cal guns - 327.66lbs / 148.62kg shells, 150 per gun
     Breech loading guns in casemate mounts, 1894 Model
     4 x Single mounts on side ends, evenly spread
     16 - 5.12" / 130 mm 45.0 cal guns - 67.62lbs / 30.67kg shells, 300 per gun
     Quick firing guns in casemate mounts, 1894 Model
     14 x Single mounts on sides, evenly spread
       8 hull mounts in casemates- Limited use in heavy seas
     2 x Single mounts on centreline ends, evenly spread
     20 - 2.36" / 60.0 mm 45.0 cal guns - 6.39lbs / 2.90kg shells, 300 per gun
     Quick firing guns in deck mounts, 1885 Model
     20 x Single mounts on sides, evenly spread
     20 - 1.77" / 45.0 mm 45.0 cal guns - 2.70lbs / 1.22kg shells, 450 per gun
     Quick firing guns in deck mounts, 1885 Model
     20 x Single mounts on sides, evenly spread
     Weight of broadside 2,574 lbs / 1,168 kg
     Main Torpedoes
     4 - 17.7" / 450 mm, 16.73 ft / 5.10 m torpedoes - 0.479 t each, 1.918 t total
   In 4 sets of deck mounted carriage/fixed tubes
     2nd Torpedoes
     8 - 17.7" / 450 mm, 16.73 ft / 5.10 m torpedoes - 0.479 t each, 3.835 t total
   In 4 sets of deck mounted reloads
=== Armour: ===
  - Belts:        Width (max)    Length (avg)        Height (avg)
   Main:    7.87" / 200 mm    328.08 ft / 100.00 m    11.48 ft / 3.50 m
   Ends:    3.94" / 100 mm    164.04 ft / 50.00 m    9.84 ft / 3.00 m
   Upper:    3.15" / 80 mm    328.08 ft / 100.00 m    6.56 ft / 2.00 m
     Main Belt covers 103 % of normal length
  - Torpedo Bulkhead - Strengthened structural bulkheads:
       1.97" / 50 mm    328.08 ft / 100.00 m    26.25 ft / 8.00 m
   Beam between torpedo bulkheads 59.06 ft / 18.00 m
  - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
   Main:    6.30" / 160 mm    3.15" / 80 mm        3.15" / 80 mm
   2nd:    3.15" / 80 mm    1.97" / 50 mm        2.36" / 60 mm
  - Armoured deck - single deck:
   For and Aft decks: 2.56" / 65 mm
   Forecastle: 1.57" / 40 mm  Quarter deck: 1.57" / 40 mm
  - Conning towers: Forward 7.87" / 200 mm, Aft 0.00" / 0 mm
=== Machinery: ===
   Coal fired boilers, complex reciprocating steam engines, 
   Direct drive, 3 shafts, 13,184 ihp / 9,835 Kw = 19.00 kts
   Range 9,500nm at 10.00 kts
   Bunker at max displacement = 2,795 tons (100% coal)
=== Complement: ===
   540 - 703
=== Cost: ===
   £0.757 million / $3.026 million
=== Distribution of weights at normal displacement: ===
   Armament: 422 tons, 3.8 %
      - Guns: 415 tons, 3.7 %
      - Weapons: 7 tons, 0.1 %
   Armour: 3,696 tons, 33.3 %
      - Belts: 1,772 tons, 15.9 %
      - Torpedo bulkhead: 627 tons, 5.6 %
      - Armament: 250 tons, 2.3 %
      - Armour Deck: 962 tons, 8.7 %
      - Conning Tower: 84 tons, 0.8 %
   Machinery: 2,273 tons, 20.5 %
   Hull, fittings & equipment: 2,324 tons, 20.9 %
   Fuel, ammunition & stores: 2,100 tons, 18.9 %
   Miscellaneous weights: 300 tons, 2.7 %
      - Hull below water: 100 tons
      - Hull above water: 100 tons
      - On freeboard deck: 50 tons
      - Above deck: 50 tons
=== Overall survivability and seakeeping ability: ===
   Survivability (Non-critical penetrating hits needed to sink ship):
     15,988 lbs / 7,252 Kg = 49.2 x 8.7 " / 220 mm shells or 7.6 torpedoes
   Stability (Unstable if below 1.00): 1.56
   Metacentric height 5.6 ft / 1.7 m
   Roll period: 11.6 seconds
   Steadiness    - As gun platform (Average = 50 %): 92 %
           - Recoil effect (Restricted arc if above 1.00): 0.16
   Seaboat quality  (Average = 1.00): 1.83
=== Hull form characteristics: ===
   Hull has rise forward of midbreak,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.510 / 0.523
   Length to Beam Ratio: 7.50 : 1
   'Natural speed' for length: 22.18 kts
   Power going to wave formation at top speed: 38 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): -10.00 degrees
   Stern overhang: 6.56 ft / 2.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
               Fore end,     Aft end
      - Forecastle:    20.00 %,  24.61 ft / 7.50 m,  21.33 ft / 6.50 m
      - Forward deck:    20.00 %,  21.33 ft / 6.50 m,  21.33 ft / 6.50 m
      - Aft deck:    45.00 %,  13.12 ft / 4.00 m,  13.12 ft / 4.00 m
      - Quarter deck:    15.00 %,  13.12 ft / 4.00 m,  13.12 ft / 4.00 m
      - Average freeboard:        16.67 ft / 5.08 m
=== Ship space, strength and comments: ===
   Space    - Hull below water (magazines/engines, low = better): 90.4 %
       - Above water (accommodation/working, high = better): 117.1 %
   Waterplane Area: 21,713 Square feet or 2,017 Square metres
   Displacement factor (Displacement / loading): 114 %
   Structure weight / hull surface area: 97 lbs/sq ft or 474 Kg/sq metre
   Hull strength (Relative):
       - Cross-sectional: 0.96
       - Longitudinal: 1.47
       - Overall: 1.00
   Adequate machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather
Category:Armoured Cruisers of Liotain
Category:Ships Laid Down in 1894
Category:Royal Liotainian Navy