czwartek, 12 grudnia 2013

Monitor dla kolonii



Czas wrócić do tematu kolonii:) mamy tam wprawdzie parę kanonierek, ale żadnego prawdziwego okrętu opancerzonego. Jego namiastką może być niezbyt duży monitor, który dzięki małemu zanurzeniu mógłby swobodnie pływać po lagunach i estuariach w jakie obfituje wybrzeże Togo, które przypomnę – upatrzyłem sobie na jedną z naszych kolonii. Wybrzeże Liberii z kolei w takie atrakcje nie obfituje, dlatego okręty są tylko dwa – na potrzeby ochrony wybrzeża Togo. Wybrzeża Liberii mogą strzec okręty pełnomorskie..






















Tantal, polish monitor laid down 1879 (Engine 1880)

Displacement:
    506 t light; 531 t standard; 546 t normal; 558 t full load

Dimensions: Length overall / water x beam x draught
    138,22 ft / 138,22 ft x 31,76 ft x 6,43 ft (normal load)
    42,13 m / 42,13 m x 9,68 m  x 1,96 m

Armament:
      2 - 7,99" / 203 mm guns in single mounts, 213,13lbs / 96,67kg shells, 1879 Model
      Breech loading guns in Coles/Ericsson turrets
      on centreline ends, evenly spread
    Weight of broadside 426 lbs / 193 kg
    Shells per gun, main battery: 60

Armour:
   - Belts:        Width (max)    Length (avg)        Height (avg)
    Main:    4,72" / 120 mm      79,99 ft / 24,38 m    2,56 ft / 0,78 m
    Ends:    Unarmoured
      Main Belt covers 89% of normal length
      Main belt does not fully cover magazines and engineering spaces

   - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    5,43" / 138 mm    4,13" / 105 mm              -

   - Armour deck: 0,59" / 15 mm, Conning tower: 4,72" / 120 mm

Machinery:
    Coal fired boilers, simple reciprocating steam engines,
    Direct drive, 1 shaft, 179 ihp / 134 Kw = 8,50 kts
    Range 1 000nm at 6,00 kts
    Bunker at max displacement = 28 tons (100% coal)

Complement:
    56 - 73

Cost:
    £0,067 million / $0,268 million

Distribution of weights at normal displacement:
    Armament: 53 tons, 9,8%
    Armour: 136 tons, 25,0%
       - Belts: 46 tons, 8,5%
       - Torpedo bulkhead: 0 tons, 0,0%
       - Armament: 46 tons, 8,4%
       - Armour Deck: 37 tons, 6,8%
       - Conning Tower: 7 tons, 1,2%
    Machinery: 32 tons, 5,9%
    Hull, fittings & equipment: 284 tons, 51,9%
    Fuel, ammunition & stores: 40 tons, 7,4%
    Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      403 lbs / 183 Kg = 1,9 x 8,0 " / 203 mm shells or 0,4 torpedoes
    Stability (Unstable if below 1.00): 1,38
    Metacentric height 1,6 ft / 0,5 m
    Roll period: 10,6 seconds
    Steadiness    - As gun platform (Average = 50 %): 28 %
            - Recoil effect (Restricted arc if above 1.00): 0,13
    Seaboat quality  (Average = 1.00): 0,31

Hull form characteristics:
    Hull has a flush deck
    Block coefficient: 0,677
    Length to Beam Ratio: 4,35 : 1
    'Natural speed' for length: 11,76 kts
    Power going to wave formation at top speed: 36 %
    Trim (Max stability = 0, Max steadiness = 100): 50
    Bow angle (Positive = bow angles forward): -15,00 degrees
    Stern overhang: 0,00 ft / 0,00 m
    Freeboard (% = measuring location as a percentage of overall length):
       - Stem:        5,48 ft / 1,67 m
       - Forecastle (24%):    2,00 ft / 0,61 m
       - Mid (50%):        2,00 ft / 0,61 m
       - Quarterdeck (22%):    2,00 ft / 0,61 m
       - Stern:        4,49 ft / 1,37 m
       - Average freeboard:    2,61 ft / 0,80 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): 23,2%
    Waterplane Area: 3 412 Square feet or 317 Square metres
    Displacement factor (Displacement / loading): 86%
    Structure weight / hull surface area: 74 lbs/sq ft or 360 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0,99
        - Longitudinal: 1,12
        - Overall: 1,00
    Hull space for machinery, storage, compartmentation is adequate
    Room for accommodation and workspaces is extremely poor
    Ship has quick, lively roll, not a steady gun platform
    Caution: Lacks seaworthiness - very limited seakeeping ability

Tantal (1880)
Hades (1881)

1 komentarz:

  1. Sylwetka wydaje mi się trochę jakby znajoma..

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