Awaji, japanese coastal battleship laid down 1885 (Engine 1886)
Displacement:
2 780 t light; 2 920 t standard; 3 022 t normal; 3 104 t full load
Dimensions: Length overall / water x beam x draught
255,91 ft / 254,92 ft x 46,59 ft x 14,44 ft (normal load)
78,00 m / 77,70 m x 14,20 m x 4,40 m
Armament:
2 - 10,00" / 254 mm guns in single mounts, 462,50lbs / 209,79kg shells, 1885 Model
Breech loading guns in Coles/Ericsson turrets
on centreline ends, evenly spread
4 - 5,98" / 152 mm guns in single mounts, 99,12lbs / 44,96kg shells, 1885 Model
Quick firing guns in casemate mounts
on side, all amidships
6 - 2,24" / 57,0 mm guns in single mounts, 5,23lbs / 2,37kg shells, 1885 Model
Quick firing guns in deck mounts
on side, all amidships
Weight of broadside 1 353 lbs / 614 kg
Shells per gun, main battery: 100
3 - 18,0" / 457 mm submerged torpedo tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 10,5" / 267 mm 107,28 ft / 32,70 m 6,89 ft / 2,10 m
Ends: Unarmoured
Main Belt covers 65% of normal length
Main belt does not fully cover magazines and engineering spaces
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 9,21" / 234 mm 5,98" / 152 mm -
2nd: 4,72" / 120 mm - -
- Armour deck: 0,79" / 20 mm, Conning tower: 7,87" / 200 mm
Machinery:
Coal fired boilers, simple reciprocating steam engines,
Direct drive, 2 shafts, 2 145 ihp / 1 600 Kw = 13,50 kts
Range 2 240nm at 7,00 kts
Bunker at max displacement = 185 tons (100% coal)
Complement:
203 - 264
Cost:
£0,297 million / $1,187 million
Distribution of weights at normal displacement:
Armament: 169 tons, 5,6%
Armour: 952 tons, 31,5%
- Belts: 394 tons, 13,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 394 tons, 13,0%
- Armour Deck: 129 tons, 4,3%
- Conning Tower: 35 tons, 1,2%
Machinery: 411 tons, 13,6%
Hull, fittings & equipment: 1 248 tons, 41,3%
Fuel, ammunition & stores: 243 tons, 8,0%
Miscellaneous weights: 0 tons, 0,0%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2 950 lbs / 1 338 Kg = 6,4 x 10,0 " / 254 mm shells or 0,9 torpedoes
Stability (Unstable if below 1.00): 1,12
Metacentric height 2,0 ft / 0,6 m
Roll period: 13,9 seconds
Steadiness - As gun platform (Average = 50 %): 84 %
- Recoil effect (Restricted arc if above 1.00): 0,65
Seaboat quality (Average = 1.00): 1,67
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,617
Length to Beam Ratio: 5,47 : 1
'Natural speed' for length: 15,97 kts
Power going to wave formation at top speed: 43 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): -8,00 degrees
Stern overhang: 0,98 ft / 0,30 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 10,83 ft / 3,30 m
- Forecastle (20%): 10,83 ft / 3,30 m
- Mid (50%): 10,83 ft / 3,30 m
- Quarterdeck (15%): 10,83 ft / 3,30 m
- Stern: 10,83 ft / 3,30 m
- Average freeboard: 10,83 ft / 3,30 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 95,0%
- Above water (accommodation/working, high = better): 89,6%
Waterplane Area: 8 825 Square feet or 820 Square metres
Displacement factor (Displacement / loading): 96%
Structure weight / hull surface area: 100 lbs/sq ft or 489 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,91
- Longitudinal: 2,29
- 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
Awaji (1886)
Tajima (1887)
Iwashiro (1888)
Brak komentarzy:
Prześlij komentarz