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Started by ledeper, September 02, 2008, 12:48:07 PM

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ledeper

Enter ship name, Enter country Enter ship type laid down 1914

Displacement:
   32.035 t light; 33.786 t standard; 36.322 t normal; 38.352 t full load

Dimensions: Length overall / water x beam x draught
   719,27 ft / 715,22 ft x 108,27 ft x 29,53 ft (normal load)
   219,23 m / 218,00 m x 33,00 m  x 9,00 m

Armament:
      9 - 14,96" / 380 mm guns (3x3 guns), 1.674,25lbs / 759,43kg shells, 1914 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, majority forward, 1 raised mount - superfiring
      14 - 5,91" / 150 mm guns in single mounts, 102,98lbs / 46,71kg shells, 1914 Model
     Quick firing guns in deck mounts
     on side, all amidships
      4 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,88kg shells, 1914 Model
     Breech loading guns in deck mounts
     on centreline, all amidships, all raised mounts - superfiring
   Weight of broadside 16.518 lbs / 7.492 kg
   Shells per gun, main battery: 110

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   13,8" / 350 mm   536,42 ft / 163,50 m   12,50 ft / 3,81 m
   Ends:   Unarmoured
   Upper:   4,92" / 125 mm   536,42 ft / 163,50 m   8,01 ft / 2,44 m
     Main Belt covers 115 % of normal length

   - Torpedo Bulkhead:
      1,97" / 50 mm   536,42 ft / 163,50 m   27,30 ft / 8,32 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   13,8" / 350 mm   7,87" / 200 mm      11,8" / 300 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,20" / 5 mm         -               -

   - Armour deck: 2,95" / 75 mm, Conning tower: 11,81" / 300 mm

Machinery:
   Diesel Internal combustion motors,
   Electric cruising motors plus geared drives, 4 shafts, 79.897 shp / 59.603 Kw = 25,75 kts
   Range 7.500nm at 14,00 kts
   Bunker at max displacement = 4.566 tons

Complement:
   1.315 - 1.710

Cost:
   £4,183 million / $16,731 million

Distribution of weights at normal displacement:
   Armament: 2.065 tons, 5,7 %
   Armour: 11.682 tons, 32,2 %
      - Belts: 4.782 tons, 13,2 %
      - Torpedo bulkhead: 1.066 tons, 2,9 %
      - Armament: 2.586 tons, 7,1 %
      - Armour Deck: 2.969 tons, 8,2 %
      - Conning Tower: 279 tons, 0,8 %
   Machinery: 3.078 tons, 8,5 %
   Hull, fittings & equipment: 14.710 tons, 40,5 %
   Fuel, ammunition & stores: 4.288 tons, 11,8 %
   Miscellaneous weights: 500 tons, 1,4 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     51.651 lbs / 23.429 Kg = 30,9 x 15,0 " / 380 mm shells or 8,5 torpedoes
   Stability (Unstable if below 1.00): 1,17
   Metacentric height 7,6 ft / 2,3 m
   Roll period: 16,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 65 %
         - Recoil effect (Restricted arc if above 1.00): 0,53
   Seaboat quality  (Average = 1.00): 1,30

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,556
   Length to Beam Ratio: 6,61 : 1
   'Natural speed' for length: 26,74 kts
   Power going to wave formation at top speed: 47 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      22,97 ft / 7,00 m
      - Forecastle (10 %):   21,33 ft / 6,50 m
      - Mid (70 %):      21,33 ft / 6,50 m
      - Quarterdeck (15 %):   19,69 ft / 6,00 m
      - Stern:      19,69 ft / 6,00 m
      - Average freeboard:   21,02 ft / 6,41 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 88,7 %
      - Above water (accommodation/working, high = better): 166,6 %
   Waterplane Area: 54.346 Square feet or 5.049 Square metres
   Displacement factor (Displacement / loading): 104 %
   Structure weight / hull surface area: 202 lbs/sq ft or 985 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,96
      - Longitudinal: 1,36
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent
   Good seaboat, rides out heavy weather easily

The Rock Doctor

Why single deck mounts versus casemates?  The latter would be better protected.

ledeper

Casemate gun is a problem in medium/high seaways,and these ships is operate in the Atlantic