środa, 29 sierpnia 2012

Okręt wieżowy z lat 60-tych XIX w. - 25.04.2010

Moja propozycja okrętu wieżowego z lat 60-tych XIX w. - coś na kształt okrętów Reeda (Devastation, Thunderer, Dreadnought), tylko nieco wcześniejszy.

Enter ship name, Enter country Enter ship type laid down 1866

Displacement:
5 343 t light; 5 559 t standard; 6 191 t normal; 6 696 t full load

Dimensions: Length overall / water x beam x draught
271,65 ft / 271,65 ft x 56,76 ft x 21,65 ft (normal load)
82,80 m / 82,80 m x 17,30 m x 6,60 m

Armament:
4 - 10,00" / 254 mm guns (2x2 guns), 320,00lbs / 145,15kg shells, 1866 Model
Breech loading guns in Coles/Ericsson turrets
on centreline ends, evenly spread
Weight of broadside 1 280 lbs / 581 kg
Shells per gun, main battery: 130

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7,48" / 190 mm 271,65 ft / 82,80 m 13,12 ft / 4,00 m
Ends: Unarmoured
Main Belt covers 154% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 7,01" / 178 mm 4,72" / 120 mm -

- Armour deck: 0,79" / 20 mm, Conning tower: 4,72" / 120 mm

Machinery:
Coal fired boilers, simple reciprocating steam engines,
Direct drive, 1 shaft, 4 526 ihp / 3 376 Kw = 14,00 kts
Range 3 650nm at 8,00 kts
Bunker at max displacement = 1 137 tons (100% coal)

Complement:
348 - 453

Cost:
£0,492 million / $1,967 million

Distribution of weights at normal displacement:
Armament: 160 tons, 2,6%
Armour: 1 614 tons, 26,1%
- Belts: 987 tons, 15,9%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 424 tons, 6,8%
- Armour Deck: 169 tons, 2,7%
- Conning Tower: 34 tons, 0,6%
Machinery: 1 217 tons, 19,7%
Hull, fittings & equipment: 2 352 tons, 38,0%
Fuel, ammunition & stores: 848 tons, 13,7%
Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4 328 lbs / 1 963 Kg = 13,5 x 10,0 " / 254 mm shells or 0,8 torpedoes
Stability (Unstable if below 1.00): 1,18
Metacentric height 2,9 ft / 0,9 m
Roll period: 13,9 seconds
Steadiness - As gun platform (Average = 50 %): 88 %
- Recoil effect (Restricted arc if above 1.00): 0,35
Seaboat quality (Average = 1.00): 1,76

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,649
Length to Beam Ratio: 4,79 : 1
'Natural speed' for length: 16,48 kts
Power going to wave formation at top speed: 48 %
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: 12,80 ft / 3,90 m
- Forecastle (20%): 12,80 ft / 3,90 m
- Mid (50%): 12,80 ft / 3,90 m
- Quarterdeck (15%): 12,80 ft / 3,90 m
- Stern: 12,80 ft / 3,90 m
- Average freeboard: 12,80 ft / 3,90 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84,0%
- Above water (accommodation/working, high = better): 81,5%
Waterplane Area: 11 634 Square feet or 1 081 Square metres
Displacement factor (Displacement / loading): 116%
Structure weight / hull surface area: 137 lbs/sq ft or 667 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,89
- Longitudinal: 2,96
- Overall: 1,00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

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