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- Hai Yung(Hairong), UK CL laid down 1937
- Displacement:
- 4,241 t light; 4,500 t standard; 4,830 t normal; 5,094 t full load
- Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
- (519.57 ft / 508.53 ft) x 44.29 ft x (14.11 / 14.71 ft)
- (158.37 m / 155.00 m) x 13.50 m x (4.30 / 4.48 m)
- Armament:
- 8 - 5.28" / 134 mm 50.0 cal guns - 80.03lbs / 36.30kg shells, 320 per gun
- Quick firing guns in deck and hoist mounts, 1937 Model
- 4 x Twin mounts on centreline, evenly spread
- 2 raised mounts
- 16 - 1.57" / 40.0 mm 39.0 cal guns - 2.01lbs / 0.91kg shells, 2,500 per gun
- Anti-air guns in deck mounts, 1937 Model
- 2 x 2 row octuple mounts on sides amidships
- 2 raised mounts
- 8 - 0.79" / 20.0 mm 70.0 cal guns - 0.26lbs / 0.12kg shells, 3,500 per gun
- Anti-air guns in deck mounts, 1937 Model
- 8 x Single mounts on sides, evenly spread
- Weight of broadside 674 lbs / 306 kg
- Main Torpedoes
- 6 - 21.0" / 533 mm, 23.87 ft / 7.28 m torpedoes - 1.598 t each, 9.588 t total
- In 2 sets of deck mounted side rotating tubes
- 2nd Torpedoes
- 6 - 21.0" / 533 mm, 23.87 ft / 7.28 m torpedoes - 1.598 t each, 9.588 t total
- below water reloads
- Mines
- 2 - 500.45 lbs / 227.00 kg mines + 148 reloads - 33.512 t total
- in Above water - Stern racks/rails
- Armour:
- - Belts: Width (max) Length (avg) Height (avg)
- Main: 2.00" / 51 mm 442.42 ft / 134.85 m 7.99 ft / 2.44 m
- Ends: Unarmoured
- Main Belt covers 134 % of normal length
- - Torpedo Bulkhead - Strengthened structural bulkheads:
- 1.50" / 38 mm 442.42 ft / 134.85 m 12.78 ft / 3.90 m
- Beam between torpedo bulkheads 41.01 ft / 12.50 m
- - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
- Main: 2.00" / 51 mm - 2.50" / 64 mm
- - Box over magazines:
- 1.50" / 38 mm
- - Conning towers: Forward 2.50" / 64 mm, Aft 0.00" / 0 mm
- Machinery:
- Oil fired boilers, steam turbines,
- Geared drive, 4 shafts, 57,228 shp / 42,692 Kw = 32.00 kts
- Range 3,500nm at 16.00 kts
- Bunker at max displacement = 594 tons
- Complement:
- 289 - 376
- Cost:
- £2.390 million / $9.560 million
- Distribution of weights at normal displacement:
- Armament: 229 tons, 4.8 %
- - Guns: 156 tons, 3.2 %
- - Weapons: 73 tons, 1.5 %
- Armour: 669 tons, 13.8 %
- - Belts: 275 tons, 5.7 %
- - Torpedo bulkhead: 314 tons, 6.5 %
- - Armament: 25 tons, 0.5 %
- - Armour Deck: 39 tons, 0.8 %
- - Conning Tower: 15 tons, 0.3 %
- Machinery: 1,586 tons, 32.8 %
- Hull, fittings & equipment: 1,672 tons, 34.6 %
- Fuel, ammunition & stores: 589 tons, 12.2 %
- Miscellaneous weights: 85 tons, 1.8 %
- - Above deck: 85 tons
- Overall survivability and seakeeping ability:
- Survivability (Non-critical penetrating hits needed to sink ship):
- 4,425 lbs / 2,007 Kg = 60.3 x 5.3 " / 134 mm shells or 0.7 torpedoes
- Stability (Unstable if below 1.00): 1.20
- Metacentric height 2.1 ft / 0.6 m
- Roll period: 13.0 seconds
- Steadiness - As gun platform (Average = 50 %): 56 %
- - Recoil effect (Restricted arc if above 1.00): 0.51
- Seaboat quality (Average = 1.00): 1.13
- Hull form characteristics:
- Hull has a flush deck,
- a normal bow and a round stern
- Block coefficient (normal/deep): 0.532 / 0.538
- Length to Beam Ratio: 11.48 : 1
- 'Natural speed' for length: 22.55 kts
- Power going to wave formation at top speed: 58 %
- Trim (Max stability = 0, Max steadiness = 100): 50
- Bow angle (Positive = bow angles forward): 20.00 degrees
- Stern overhang: 3.28 ft / 1.00 m
- Freeboard (% = length of deck as a percentage of waterline length):
- Fore end, Aft end
- - Forecastle: 9.00 %, 21.33 ft / 6.50 m, 18.04 ft / 5.50 m
- - Forward deck: 35.00 %, 18.04 ft / 5.50 m, 16.40 ft / 5.00 m
- - Aft deck: 52.00 %, 16.40 ft / 5.00 m, 16.40 ft / 5.00 m
- - Quarter deck: 4.00 %, 16.40 ft / 5.00 m, 16.40 ft / 5.00 m
- - Average freeboard: 16.96 ft / 5.17 m
- Ship tends to be wet forward
- Ship space, strength and comments:
- Space - Hull below water (magazines/engines, low = better): 132.8 %
- - Above water (accommodation/working, high = better): 164.4 %
- Waterplane Area: 15,457 Square feet or 1,436 Square metres
- Displacement factor (Displacement / loading): 106 %
- Structure weight / hull surface area: 78 lbs/sq ft or 379 Kg/sq metre
- Hull strength (Relative):
- - Cross-sectional: 0.96
- - Longitudinal: 1.48
- - Overall: 1.00
- Cramped machinery, storage, compartmentation space
- Excellent accommodation and workspace room
- NOTES:
- GUNS:
- 5.25"/50 (13.4 cm) QF Mark I
- 2-pdr [4 cm/39 (1.575")] QF Mark VIII
- 20 mm/70 (0.79") Mark I
- TORPEDOES&MINES:
- 21" (53.3 cm) Mark IX and IX**
- Mark XXII and XXII*
- 150 MINES
- Armor:
- The Box over Mag is ment to cover the mags of the ship from fragments flash-firing the ship, and little else.
- Due to the nature of the size of ship, having full armor would be wasteful and inefficient against any real threat the
- IJN has to attack this ship with, so the minimization of armor and the maximization of other areas was thought to be be
- more important than tacking on armor that would not stop any real threat.
- MISC WEIGHT:
- 40t 2x plon AD
- 25t 1x crane AD
- 20t 1x rotat gp cat AD
- 85t total AD
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