Protected & Scout Cruisers

Started by Jefgte, August 16, 2017, 04:23:12 PM

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Jefgte

#15
With just 27kts speed & 6000nm range, C14 is a Colonial Armored Gunboat
(27kts is the speed of the Colonial Cruisers)

CAGB3000, Byzantine Empire C14- Colonial Armored Gun Boat laid down 1930

1930 => Nustha - Neshie - Narhut - Nosiak
1931 => Nolter - Nulkuk - Nharvu - Nokilo

Displacement:
    3 000 t light; 3 163 t standard; 3 414 t normal; 3 616 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
    (409,95 ft / 406,82 ft) x 47,83 ft x (12,53 / 13,08 ft)
    (124,95 m / 124,00 m) x 14,58 m  x (3,82 / 3,99 m)

Armament:
      4 - 7,52" / 191 mm 45,0 cal guns - 200,00lbs / 90,72kg shells, 110 per gun
      Breech loading guns in deck and hoist mounts, 1930 Model
      4 x Single mounts on centreline ends, evenly spread
        2 raised mounts - superfiring
      6 - 4,02" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 280 per gun
      Dual purpose guns in deck mounts, 1932 Model
      6 x Single mounts on sides, forward evenly spread
      8 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 600 per gun
      Anti-air guns in deck mounts, 1930 Model
      4 x 2-gun mounts on side ends, evenly spread
        4 raised mounts
      8 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 3 000 per gun
      Machine guns in deck mounts, 1930 Model
      4 x 2-gun mounts on sides, forward evenly spread
        4 raised mounts
      Weight of broadside 1 015 lbs / 460 kg

Armour:
  - Belts:        Width (max)    Length (avg)        Height (avg)
    Main:    3,15" / 80 mm    269,03 ft / 82,00 m    9,84 ft / 3,00 m
    Ends:    1,18" / 30 mm    134,51 ft / 41,00 m    7,87 ft / 2,40 m
      3,28 ft / 1,00 m Unarmoured ends
      Main Belt covers 102 % of normal length

  - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    2,76" / 70 mm    1,18" / 30 mm        1,77" / 45 mm
    2nd:    0,39" / 10 mm          -                  -
    3rd:    0,24" / 6 mm          -                  -
    4th:    0,24" / 6 mm          -                  -

  - Armoured deck - single deck:
    For and Aft decks: 1,38" / 35 mm
    Forecastle: 0,79" / 20 mm  Quarter deck: 0,79" / 20 mm

  - Conning towers: Forward 3,15" / 80 mm, Aft 1,18" / 30 mm

Machinery:
    Oil fired boilers, steam turbines,
    Geared drive, 4 shafts, 26 120 shp / 19 486 Kw = 27,00 kts
    Range 6 000nm at 12,00 kts
    Bunker at max displacement = 453 tons

Complement:
    223 - 290

Cost:
    £1,283 million / $5,133 million

Distribution of weights at normal displacement:
    Armament: 266 tons, 7,8 %
      - Guns: 266 tons, 7,8 %
    Armour: 779 tons, 22,8 %
      - Belts: 392 tons, 11,5 %
      - Armament: 60 tons, 1,8 %
      - Armour Deck: 306 tons, 9,0 %
      - Conning Towers: 21 tons, 0,6 %
    Machinery: 792 tons, 23,2 %
    Hull, fittings & equipment: 1 068 tons, 31,3 %
    Fuel, ammunition & stores: 415 tons, 12,2 %
    Miscellaneous weights: 95 tons, 2,8 %
      - Hull below water: 15 tons
      - Hull above water: 3 tons
      - On freeboard deck: 26 tons
      - Above deck: 51 tons

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      3 332 lbs / 1 511 Kg = 15,7 x 7,5 " / 191 mm shells or 1,0 torpedoes
    Stability (Unstable if below 1.00): 1,05
    Metacentric height 1,8 ft / 0,6 m
    Roll period: 14,9 seconds
    Steadiness    - As gun platform (Average = 50 %): 71 %
            - Recoil effect (Restricted arc if above 1.00): 0,73
    Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
    Hull has raised forecastle, rise forward of midbreak,
      a normal bow and a cruiser stern
    Block coefficient (normal/deep): 0,490 / 0,497
    Length to Beam Ratio: 8,50 : 1
    'Natural speed' for length: 20,17 kts
    Power going to wave formation at top speed: 57 %
    Trim (Max stability = 0, Max steadiness = 100): 70
    Bow angle (Positive = bow angles forward): 8,00 degrees
    Stern overhang: 0,00 ft / 0,00 m
    Freeboard (% = length of deck as a percentage of waterline length):
                Fore end,    Aft end
      - Forecastle:    17,50 %,  22,21 ft / 6,77 m,  18,37 ft / 5,60 m
      - Forward deck:    33,50 %,  18,04 ft / 5,50 m,  14,76 ft / 4,50 m
      - Aft deck:    33,50 %,  14,44 ft / 4,40 m,  12,47 ft / 3,80 m
      - Quarter deck:    15,50 %,  12,47 ft / 3,80 m,  13,12 ft / 4,00 m
      - Average freeboard:        15,47 ft / 4,71 m

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 101,2 %
        - Above water (accommodation/working, high = better): 163,8 %
    Waterplane Area: 12 849 Square feet or 1 194 Square metres
    Displacement factor (Displacement / loading): 103 %
    Structure weight / hull surface area: 63 lbs/sq ft or 307 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0,71
        - Longitudinal: 1,24
        - Overall: 0,75
    Adequate machinery, storage, compartmentation space
    Excellent accommodation and workspace room
    Ship has slow, easy roll, a good, steady gun platform

AD
25t for Long Range Marconi
26t for top mast rangefinder - FC1924
OD
16t for 2 x 2 TT x 21" HW
10t reserved for new materials, armaments.
AW
Climatisation
BW
15t for additionnal pumps
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf