Coastal Battleships

Started by Logi, November 13, 2008, 04:56:34 PM

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Logi

QuoteQH Longzi, Middle kingdom costal battleship laid down 1892

Displacement:
  5.557 t light; 5.836 t standard; 6.003 t normal; 6.137 t full load

Dimensions: Length overall / water x beam x draught
  410,11 ft / 410,11 ft x 67,26 ft x 10,17 ft (normal load)
  125,00 m / 125,00 m x 20,50 m  x 3,10 m

Armament:
     2 - 9,84" / 250 mm guns in single mounts, 476,75lbs / 216,25kg shells, 1892 Model
    Breech loading guns in turrets (on barbettes)
    on side, evenly spread
     2 - 7,68" / 195 mm guns in single mounts, 226,24lbs / 102,62kg shells, 1892 Model
    Breech loading guns in casemate mounts
    on centreline, all amidships
     10 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1892 Model
    Breech loading guns in casemate mounts
    on side, evenly spread
     10 - 0,98" / 25,0 mm guns in single mounts, 0,48lbs / 0,22kg shells, 1892 Model
    Machine guns in deck mounts
    on side, evenly spread
  Weight of broadside 1.764 lbs / 800 kg
  Shells per gun, main battery: 150
  14 - 14,0" / 355,6 mm submerged torpedo tubes

Armour:
  - Belts:      Width (max)   Length (avg)      Height (avg)
  Main:   7,87" / 200 mm   266,57 ft / 81,25 m   9,22 ft / 2,81 m
  Ends:   1,97" / 50 mm   143,50 ft / 43,74 m   9,22 ft / 2,81 m
  Upper:   4,33" / 110 mm   229,66 ft / 70,00 m   8,01 ft / 2,44 m
    Main Belt covers 100% of normal length

  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
  Main:   3,94" / 100 mm   3,94" / 100 mm      3,15" / 80 mm
  2nd:   3,94" / 100 mm   3,15" / 80 mm            -
  3rd:   3,94" / 100 mm         -               -
  4th:   0,79" / 20 mm         -               -

  - Armour deck: 1,57" / 40 mm, Conning tower: 5,91" / 150 mm

Machinery:
  Coal fired boilers, complex reciprocating steam engines,
  Direct drive, 2 shafts, 2.449 ihp / 1.827 Kw = 12,35 kts
  Range 3.000nm at 6,00 kts
  Bunker at max displacement = 300 tons (100% coal)

Complement:
  340 - 443

Cost:
  £0,441 million / $1,764 million

Distribution of weights at normal displacement:
  Armament: 220 tons, 3,7%
  Armour: 2.282 tons, 38,0%
     - Belts: 1.323 tons, 22,0%
     - Torpedo bulkhead: 0 tons, 0,0%
     - Armament: 245 tons, 4,1%
     - Armour Deck: 672 tons, 11,2%
     - Conning Tower: 42 tons, 0,7%
  Machinery: 437 tons, 7,3%
  Hull, fittings & equipment: 2.617 tons, 43,6%
  Fuel, ammunition & stores: 446 tons, 7,4%
  Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
  Survivability (Non-critical penetrating hits needed to sink ship):
    14.362 lbs / 6.515 Kg = 30,1 x 9,8 " / 250 mm shells or 2,7 torpedoes
  Stability (Unstable if below 1.00): 1,48
  Metacentric height 5,4 ft / 1,6 m
  Roll period: 12,2 seconds
  Steadiness   - As gun platform (Average = 50 %): 63 %
        - Recoil effect (Restricted arc if above 1.00): 0,15
  Seaboat quality  (Average = 1.00): 1,26

Hull form characteristics:
  Hull has raised forecastle
  Block coefficient: 0,749
  Length to Beam Ratio: 6,10 : 1
  'Natural speed' for length: 20,25 kts
  Power going to wave formation at top speed: 24 %
  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 (% = measuring location as a percentage of overall length):
     - Stem:      19,69 ft / 6,00 m
     - Forecastle (20%):   19,69 ft / 6,00 m (13,12 ft / 4,00 m aft of break)
     - Mid (50%):      13,12 ft / 4,00 m
     - Quarterdeck (15%):   13,12 ft / 4,00 m
     - Stern:      13,12 ft / 4,00 m
     - Average freeboard:   14,44 ft / 4,40 m
  Ship tends to be wet forward

Ship space, strength and comments:
  Space   - Hull below water (magazines/engines, low = better): 62,0%
     - Above water (accommodation/working, high = better): 169,7%
  Waterplane Area: 23.081 Square feet or 2.144 Square metres
  Displacement factor (Displacement / loading): 122%
  Structure weight / hull surface area: 94 lbs/sq ft or 457 Kg/sq metre
  Hull strength (Relative):
     - Cross-sectional: 1,00
     - Longitudinal: 1,12
     - Overall: 1,01
  Hull space for machinery, storage, compartmentation is excellent
  Room for accommodation and workspaces is excellent
  Good seaboat, rides out heavy weather easily

Ships:
Longzi (Dragon Class) 1892 (Krupp) Sunk
Hailong (Sea Dragon) 1899 (Krupp Cemented) Sunk

Logi

#1
QuoteJemappes/Valmy, "Long"-class France Coastal battleship laid down 1887 (Engine 1900) - REFIT 1900

Displacement:
  6.214 t light; 6.450 t standard; 6.996 t normal; 7.432 t full load

Dimensions: Length overall / water x beam x draught
  284,00 ft / 284,00 ft x 57,00 ft x 25,00 ft (normal load)
  86,56 m / 86,56 m x 17,37 m  x 7,62 m

Armament:
     2 - 9,84" / 250 mm guns in single mounts, 476,75lbs / 216,25kg shells, 1903 Model
    Breech loading guns in turrets (on barbettes)
    on centreline ends, evenly spread
     4 - 5,51" / 140 mm guns (2x2 guns), 83,72lbs / 37,97kg shells, 1903 Model
    Quick firing guns in deck mounts
    on side, all amidships
     10 - 3,94" / 100 mm guns (4 mounts), 29,14lbs / 13,22kg shells, 1887 Model
    Quick firing guns in deck mounts
    on side, evenly spread
     12 - 0,98" / 25,0 mm guns (6x2 guns), 0,46lbs / 0,21kg shells, 1887 Model
    Machine guns in deck mounts
    on side, evenly spread, all raised mounts
  Weight of broadside 1.585 lbs / 719 kg
  Shells per gun, main battery: 100
  2 - 18,0" / 457,2 mm above water torpedoes

Armour:
  - Belts:      Width (max)   Length (avg)      Height (avg)
  Main:   17,5" / 445 mm   170,00 ft / 51,82 m   7,50 ft / 2,29 m
  Ends:   12,0" / 304 mm   114,00 ft / 34,75 m   7,50 ft / 2,29 m
    Main Belt covers 92% of normal length

  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
  Main:   12,0" / 304 mm   10,0" / 254 mm      10,0" / 254 mm

  - Armour deck: 3,98" / 101 mm, Conning tower: 11,97" / 304 mm

Machinery:
  Coal fired boilers, complex reciprocating steam engines,
  Direct drive, 2 shafts, 8.148 ihp / 6.078 Kw = 16,99 kts
  Range 3.000nm at 12,00 kts
  Bunker at max displacement = 983 tons (100% coal)

Complement:
  382 - 497

Cost:
  £0,562 million / $2,249 million

Distribution of weights at normal displacement:
  Armament: 198 tons, 2,8%
  Armour: 2.730 tons, 39,0%
     - Belts: 1.410 tons, 20,2%
     - Torpedo bulkhead: 0 tons, 0,0%
     - Armament: 351 tons, 5,0%
     - Armour Deck: 875 tons, 12,5%
     - Conning Tower: 94 tons, 1,3%
  Machinery: 1.273 tons, 18,2%
  Hull, fittings & equipment: 1.962 tons, 28,1%
  Fuel, ammunition & stores: 782 tons, 11,2%
  Miscellaneous weights: 50 tons, 0,7%

Overall survivability and seakeeping ability:
  Survivability (Non-critical penetrating hits needed to sink ship):
    6.999 lbs / 3.175 Kg = 15,4 x 9,8 " / 250 mm shells or 1,4 torpedoes
  Stability (Unstable if below 1.00): 1,05
  Metacentric height 2,4 ft / 0,7 m
  Roll period: 15,6 seconds
  Steadiness   - As gun platform (Average = 50 %): 70 %
        - Recoil effect (Restricted arc if above 1.00): 0,40
  Seaboat quality  (Average = 1.00): 1,20

Hull form characteristics:
  Hull has a flush deck
  Block coefficient: 0,605
  Length to Beam Ratio: 4,98 : 1
  'Natural speed' for length: 16,85 kts
  Power going to wave formation at top speed: 56 %
  Trim (Max stability = 0, Max steadiness = 100): 58
  Bow angle (Positive = bow angles forward): 0,00 degrees
  Stern overhang: 0,00 ft / 0,00 m
  Freeboard (% = measuring location as a percentage of overall length):
     - Stem:      14,00 ft / 4,27 m
     - Forecastle (20%):   14,00 ft / 4,27 m
     - Mid (50%):      14,00 ft / 4,27 m
     - Quarterdeck (15%):   14,00 ft / 4,27 m
     - Stern:      14,00 ft / 4,27 m
     - Average freeboard:   14,00 ft / 4,27 m
  Ship tends to be wet forward

Ship space, strength and comments:
  Space   - Hull below water (magazines/engines, low = better): 81,7%
     - Above water (accommodation/working, high = better): 77,8%
  Waterplane Area: 11.895 Square feet or 1.105 Square metres
  Displacement factor (Displacement / loading): 101%
  Structure weight / hull surface area: 105 lbs/sq ft or 515 Kg/sq metre
  Hull strength (Relative):
     - Cross-sectional: 0,88
     - Longitudinal: 3,08
     - Overall: 1,00
  Hull space for machinery, storage, compartmentation is excellent
  Room for accommodation and workspaces is cramped
  Ship has slow, easy roll, a good, steady gun platform
  Good seaboat, rides out heavy weather easily

Ships:
Jemmappes -> Wenlong (Cultured Dragon) Sunk
Valmy  -> Yunlong (Cloud Dragon) Sunk

Logi

QuoteQH Shengzi, Middle Kingdom Coastal Battleship laid down 1902

Displacement:
   11.536 t light; 11.999 t standard; 12.441 t normal; 12.795 t full load

Dimensions: Length overall / water x beam x draught
   508,53 ft / 508,53 ft x 88,58 ft x 18,04 ft (normal load)
   155,00 m / 155,00 m x 27,00 m  x 5,50 m

Armament:
      2 - 12,99" / 330 mm guns (1x2 guns), 1.096,51lbs / 497,37kg shells, 1902 Model
     Breech loading guns in a turret (on a barbette)
     on centreline forward
      2 - 7,68" / 195 mm guns (1x2 guns), 226,24lbs / 102,62kg shells, 1902 Model
     Breech loading guns in a turret (on a barbette)
     on centreline aft
      8 - 5,51" / 140 mm guns in single mounts, 83,72lbs / 37,98kg shells, 1902 Model
     Quick firing guns in casemate mounts
     on side, evenly spread, 6 raised mounts
      10 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1902 Model
     Quick firing guns in deck mounts
     on side, evenly spread, 4 raised mounts
     6 guns in hull casemates - Limited use in heavy seas
   Weight of broadside 3.611 lbs / 1.638 kg
   Shells per gun, main battery: 100
   14 - 20,0" / 508 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   7,87" / 200 mm   393,70 ft / 120,00 m   11,81 ft / 3,60 m
   Ends:   3,94" / 100 mm     98,43 ft / 30,00 m   11,29 ft / 3,44 m
     16,40 ft / 5,00 m Unarmoured ends
   Upper:   3,94" / 100 mm   330,54 ft / 100,75 m   8,01 ft / 2,44 m
     Main Belt covers 119% of normal length

   - Torpedo Bulkhead:
      1,97" / 50 mm   330,54 ft / 100,75 m   13,52 ft / 4,12 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   7,87" / 200 mm   7,87" / 200 mm      7,87" / 200 mm
   2nd:   3,94" / 100 mm   3,94" / 100 mm      3,94" / 100 mm
   3rd:   1,57" / 40 mm   1,57" / 40 mm            -
   4th:   1,57" / 40 mm   1,57" / 40 mm            -

   - Armour deck: 3,15" / 80 mm, Conning tower: 7,87" / 200 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 6.388 ihp / 4.766 Kw = 15,00 kts
   Range 2.500nm at 10,00 kts
   Bunker at max displacement = 795 tons (100% coal)

Complement:
   588 - 765

Cost:
   £0,918 million / $3,674 million

Distribution of weights at normal displacement:
   Armament: 431 tons, 3,5%
   Armour: 4.910 tons, 39,5%
      - Belts: 2.163 tons, 17,4%
      - Torpedo bulkhead: 325 tons, 2,6%
      - Armament: 522 tons, 4,3%
      - Armour Deck: 1.807 tons, 14,5%
      - Conning Tower: 91 tons, 0,7%
   Machinery: 968 tons, 7,8%
   Hull, fittings & equipment: 5.143 tons, 41,3%
   Fuel, ammunition & stores: 894 tons, 7,2%
   Miscellaneous weights: 105 tons, 0,8%

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     27.120 lbs / 12.301 Kg = 24,7 x 13,0 " / 330 mm shells or 5,6 torpedoes
   Stability (Unstable if below 1.00): 1,35
   Metacentric height 7,2 ft / 2,2 m
   Roll period: 13,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 81 %
         - Recoil effect (Restricted arc if above 1.00): 0,21
   Seaboat quality  (Average = 1.00): 1,62

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,536
   Length to Beam Ratio: 5,74 : 1
   'Natural speed' for length: 22,55 kts
   Power going to wave formation at top speed: 28 %
   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 (% = measuring location as a percentage of overall length):
      - Stem:      26,90 ft / 8,20 m
      - Forecastle (20%):   26,25 ft / 8,00 m
      - Mid (50%):      15,52 ft / 4,73 m
      - Quarterdeck (15%):   15,52 ft / 4,73 m
      - Stern:      15,52 ft / 4,73 m
      - Average freeboard:   19,33 ft / 5,89 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 78,9%
      - Above water (accommodation/working, high = better): 180,8%
   Waterplane Area: 31.020 Square feet or 2.882 Square metres
   Displacement factor (Displacement / loading): 119%
   Structure weight / hull surface area: 129 lbs/sq ft or 629 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,95
      - Longitudinal: 1,68
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is excellent
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

the 14 torpedo tubes are all broadside, 105 ton misc weight towing gear

Ships:
Weisheng (Commanding Victory) 1903