Light Cruisers of Esc 19-20

Started by ledeper, November 23, 2009, 12:08:33 PM

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ledeper

Light Cruisers of Esc 19-20,planned building 3 every H/Y

QuoteEnter ship name, Enter country Enter ship type laid down 1919 (Engine 1916)

Displacement:
   6.730 t light; 6.938 t standard; 7.778 t normal; 8.450 t full load

Dimensions: Length overall / water x beam x draught
   485,75 ft / 482,28 ft x 62,34 ft x 19,69 ft (normal load)
   148,06 m / 147,00 m x 19,00 m  x 6,00 m

Armament:
     6 - 5,91" / 150 mm guns (3x2 guns), 102,98lbs / 46,71kg shells, 1919 Model
     Quick firing guns in deck mounts with hoists
     on centreline ends, majority forward, 1 raised mount - superfiring
     4 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,88kg shells, 1919 Model
     Anti-aircraft guns in deck mounts
     on side, all amidships, all raised mounts - superfiring
   Weight of broadside 626 lbs / 284 kg
   Shells per gun, main battery: 150

Armour:
  - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,94" / 100 mm   311,68 ft / 95,00 m   11,78 ft / 3,59 m
   Ends:   Unarmoured
   Upper:   1,97" / 50 mm   311,68 ft / 95,00 m   8,01 ft / 2,44 m
     Main Belt covers 99 % of normal length

  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,91" / 150 mm   3,94" / 100 mm            -
   2nd:   0,39" / 10 mm         -               -

  - Armour deck: 1,97" / 50 mm, Conning tower: 5,91" / 150 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 3 shafts, 53.724 shp / 40.078 Kw = 29,00 kts
   Range 7.000nm at 14,00 kts
   Bunker at max displacement = 1.511 tons

Complement:
   413 - 538

Cost:
   £1,269 million / $5,075 million

Distribution of weights at normal displacement:
   Armament: 78 tons, 1,0 %
   Armour: 1.693 tons, 21,8 %
      - Belts: 823 tons, 10,6 %
      - Torpedo bulkhead: 0 tons, 0,0 %
      - Armament: 115 tons, 1,5 %
      - Armour Deck: 704 tons, 9,1 %
      - Conning Tower: 50 tons, 0,6 %
   Machinery: 2.002 tons, 25,7 %
   Hull, fittings & equipment: 2.608 tons, 33,5 %
   Fuel, ammunition & stores: 1.048 tons, 13,5 %
   Miscellaneous weights: 350 tons, 4,5 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     9.779 lbs / 4.436 Kg = 95,0 x 5,9 " / 150 mm shells or 1,5 torpedoes
   Stability (Unstable if below 1.00): 1,31
   Metacentric height 4,0 ft / 1,2 m
   Roll period: 13,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 51 %
         - Recoil effect (Restricted arc if above 1.00): 0,11
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,460
   Length to Beam Ratio: 7,74 : 1
   'Natural speed' for length: 21,96 kts
   Power going to wave formation at top speed: 58 %
   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:      19,69 ft / 6,00 m
      - Forecastle (20 %):   15,78 ft / 4,81 m
      - Mid (50 %):      15,78 ft / 4,81 m
      - Quarterdeck (15 %):   15,78 ft / 4,81 m
      - Stern:      15,78 ft / 4,81 m
      - Average freeboard:   16,09 ft / 4,91 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 96,6 %
      - Above water (accommodation/working, high = better): 140,7 %
   Waterplane Area: 19.337 Square feet or 1.796 Square metres
   Displacement factor (Displacement / loading): 117 %
   Structure weight / hull surface area: 90 lbs/sq ft or 440 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,96
      - Longitudinal: 1,48
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent

The 1920 model

QuoteEnter ship name, Enter country Enter ship type laid down 1920

Displacement:
   7.315 t light; 7.560 t standard; 8.326 t normal; 8.939 t full load

Dimensions: Length overall / water x beam x draught
   512,00 ft / 508,53 ft x 62,34 ft x 19,69 ft (normal load)
   156,06 m / 155,00 m x 19,00 m  x 6,00 m

Armament:
     9 - 5,91" / 150 mm guns (3x3 guns), 102,98lbs / 46,71kg shells, 1920 Model
     Quick firing guns in deck mounts with hoists
     on centreline ends, majority forward, 1 raised mount - superfiring
     4 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,88kg shells, 1920 Model
     Anti-aircraft guns in deck mounts
     on side, all amidships, all raised mounts - superfiring
   Weight of broadside 935 lbs / 424 kg
   Shells per gun, main battery: 150
   4 - 19,7" / 500 mm above water torpedoes

Armour:
  - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   5,91" / 150 mm   301,84 ft / 92,00 m   9,48 ft / 2,89 m
   Ends:   Unarmoured
   Upper:   3,94" / 100 mm   301,84 ft / 92,00 m   8,01 ft / 2,44 m
     Main Belt covers 91 % of normal length

  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,91" / 150 mm   3,94" / 100 mm            -
   2nd:   0,39" / 10 mm         -               -

  - Armour deck: 1,97" / 50 mm, Conning tower: 3,94" / 100 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 3 shafts, 54.558 shp / 40.700 Kw = 29,00 kts
   Range 7.000nm at 14,00 kts
   Bunker at max displacement = 1.379 tons

Complement:
   435 - 566

Cost:
   £1,468 million / $5,873 million

Distribution of weights at normal displacement:
   Armament: 117 tons, 1,4 %
   Armour: 2.062 tons, 24,8 %
      - Belts: 1.137 tons, 13,7 %
      - Torpedo bulkhead: 0 tons, 0,0 %
      - Armament: 143 tons, 1,7 %
      - Armour Deck: 747 tons, 9,0 %
      - Conning Tower: 35 tons, 0,4 %
   Machinery: 1.908 tons, 22,9 %
   Hull, fittings & equipment: 2.879 tons, 34,6 %
   Fuel, ammunition & stores: 1.011 tons, 12,1 %
   Miscellaneous weights: 350 tons, 4,2 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10.941 lbs / 4.963 Kg = 106,2 x 5,9 " / 150 mm shells or 1,7 torpedoes
   Stability (Unstable if below 1.00): 1,26
   Metacentric height 3,8 ft / 1,1 m
   Roll period: 13,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 52 %
         - Recoil effect (Restricted arc if above 1.00): 0,17
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,467
   Length to Beam Ratio: 8,16 : 1
   'Natural speed' for length: 22,55 kts
   Power going to wave formation at top speed: 56 %
   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:      19,69 ft / 6,00 m
      - Forecastle (10 %):   15,78 ft / 4,81 m
      - Mid (50 %):      15,78 ft / 4,81 m
      - Quarterdeck (15 %):   15,78 ft / 4,81 m
      - Stern:      15,78 ft / 4,81 m
      - Average freeboard:   15,94 ft / 4,86 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 90,3 %
      - Above water (accommodation/working, high = better): 130,9 %
   Waterplane Area: 20.511 Square feet or 1.906 Square metres
   Displacement factor (Displacement / loading): 116 %
   Structure weight / hull surface area: 94 lbs/sq ft or 459 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,97
      - Longitudinal: 1,35
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent