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- Hitake, Imperial Osoran battleship laid down 1917 (Engine 1918)
- Displacement:
- 31,228 t light; 32,844 t standard; 35,924 t normal; 38,389 t full load
- Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
- (742.44 ft / 728.35 ft) x 108.27 ft x (29.53 / 31.11 ft)
- (226.29 m / 222.00 m) x 33.00 m x (9.00 / 9.48 m)
- Armament:
- 8 - 14.96" / 380 mm 45.0 cal guns - 1,940.07lbs / 880.00kg shells, 80 per gun
- Breech loading guns in turret on barbette mounts, 1917 Model
- 2 x Twin mounts on centreline, forward deck forward
- 1 raised mount - superfiring
- 2 x Twin mounts on centreline, aft deck aft
- 1 raised mount aft - superfiring
- 22 - 5.98" / 152 mm 50.0 cal guns - 113.44lbs / 51.45kg shells, 150 per gun
- Breech loading guns in deck mounts, 1917 Model
- 22 x Single mounts on sides, evenly spread
- Weight of broadside 18,016 lbs / 8,172 kg
- Main Torpedoes
- 4 - 17.7" / 450 mm, 16.40 ft / 5.00 m torpedoes - 0.775 t each, 3.098 t total
- submerged side tubes
- 2nd Torpedoes
- 8 - 17.7" / 450 mm, 16.40 ft / 5.00 m torpedoes - 0.775 t each, 6.196 t total
- below water reloads
- Armour:
- - Belts: Width (max) Length (avg) Height (avg)
- Main: 13.0" / 330 mm 395.67 ft / 120.60 m 12.86 ft / 3.92 m
- Ends: Unarmoured
- Main Belt covers 84 % of normal length
- - Torpedo Bulkhead - Additional damage containing bulkheads:
- 2.76" / 70 mm 467.85 ft / 142.60 m 27.53 ft / 8.39 m
- Beam between torpedo bulkheads 72.18 ft / 22.00 m
- - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
- Main: 15.0" / 380 mm 7.01" / 178 mm 15.0" / 380 mm
- 2nd: 5.98" / 152 mm 1.97" / 50 mm -
- - Armoured deck - multiple decks:
- For and Aft decks: 5.98" / 152 mm
- - Conning towers: Forward 14.96" / 380 mm, Aft 10.00" / 254 mm
- Machinery:
- Oil fired boilers, steam turbines,
- Geared drive, 4 shafts, 51,181 shp / 38,181 Kw = 23.00 kts
- Range 8,000nm at 16.00 kts
- Bunker at max displacement = 5,544 tons
- Complement:
- 1,304 - 1,696
- Cost:
- £4.985 million / $19.941 million
- Distribution of weights at normal displacement:
- Armament: 2,671 tons, 7.4 %
- - Guns: 2,657 tons, 7.4 %
- - Weapons: 14 tons, 0.0 %
- Armour: 12,981 tons, 36.1 %
- - Belts: 2,972 tons, 8.3 %
- - Torpedo bulkhead: 1,313 tons, 3.7 %
- - Armament: 3,318 tons, 9.2 %
- - Armour Deck: 4,793 tons, 13.3 %
- - Conning Towers: 585 tons, 1.6 %
- Machinery: 1,846 tons, 5.1 %
- Hull, fittings & equipment: 13,720 tons, 38.2 %
- Fuel, ammunition & stores: 4,696 tons, 13.1 %
- Miscellaneous weights: 9 tons, 0.0 %
- - Hull below water: 9 tons
- Overall survivability and seakeeping ability:
- Survivability (Non-critical penetrating hits needed to sink ship):
- 61,188 lbs / 27,754 Kg = 36.5 x 15.0 " / 380 mm shells or 22.4 torpedoes
- Stability (Unstable if below 1.00): 1.00
- Metacentric height 5.6 ft / 1.7 m
- Roll period: 19.1 seconds
- Steadiness - As gun platform (Average = 50 %): 99 %
- - Recoil effect (Restricted arc if above 1.00): 0.84
- Seaboat quality (Average = 1.00): 1.30
- Hull form characteristics:
- Hull has rise forward of midbreak,
- a normal bow and a cruiser stern
- Block coefficient (normal/deep): 0.540 / 0.548
- Length to Beam Ratio: 6.73 : 1
- 'Natural speed' for length: 26.99 kts
- Power going to wave formation at top speed: 40 %
- Trim (Max stability = 0, Max steadiness = 100): 76
- Bow angle (Positive = bow angles forward): 25.00 degrees
- Stern overhang: 0.00 ft / 0.00 m
- Freeboard (% = length of deck as a percentage of waterline length):
- Fore end, Aft end
- - Forecastle: 20.00 %, 30.22 ft / 9.21 m, 24.74 ft / 7.54 m
- - Forward deck: 30.00 %, 24.74 ft / 7.54 m, 24.74 ft / 7.54 m
- - Aft deck: 32.00 %, 12.37 ft / 3.77 m, 12.37 ft / 3.77 m
- - Quarter deck: 18.00 %, 12.37 ft / 3.77 m, 12.37 ft / 3.77 m
- - Average freeboard: 18.99 ft / 5.79 m
- Ship space, strength and comments:
- Space - Hull below water (magazines/engines, low = better): 79.1 %
- - Above water (accommodation/working, high = better): 146.2 %
- Waterplane Area: 54,520 Square feet or 5,065 Square metres
- Displacement factor (Displacement / loading): 120 %
- Structure weight / hull surface area: 204 lbs/sq ft or 998 Kg/sq metre
- Hull strength (Relative):
- - Cross-sectional: 0.97
- - Longitudinal: 1.29
- - Overall: 1.00
- Excellent machinery, storage, compartmentation space
- Excellent accommodation and workspace room
- Ship has slow, easy roll, a good, steady gun platform
- Good seaboat, rides out heavy weather easily
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