WesWorld

Haibing - Class
converted freighter from the Tjianjin Shipping Ltd.

Displacement:
3.696 t light; 3.870 t standard; 6.599 t normal; 8.783 t full load

Dimensions:
Length overall / water x beam x draught
385,15 ft / 375,72 ft x 54,79 ft x 18,70 ft (normal load)
117,39 m / 114,52 m x 16,70 m x 5,70 m

Armament:
4 - 1,46" / 37,0 mm guns (2x2 guns), 1,55lbs / 0,70kg shells, 1938 Model
Anti-aircraft guns in deck mounts with hoists
on centreline ends, evenly spread, all raised mounts
6 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, all raised mounts - superfiring
Weight of broadside 8 lbs / 3 kg
Shells per gun, main battery: 8.000

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 11.795 shp / 8.799 Kw = 19,50 kts
Range 42.000nm at 13,00 kts
Bunker at max displacement = 4.913 tons

Complement:
365 - 475

Cost:
£0,989 million / $3,954 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0,0%
Machinery: 323 tons, 4,9%
Hull, fittings & equipment: 1.872 tons, 28,4%
Fuel, ammunition & stores: 2.904 tons, 44,0%
Miscellaneous weights: 1.500 tons, 22,7%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
19.707 lbs / 8.939 Kg = 12.751,0 x 1,5 " / 37 mm shells or 3,7 torpedoes
Stability (Unstable if below 1.00): 1,11
Metacentric height 2,5 ft / 0,8 m
Roll period: 14,6 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0,01
Seaboat quality (Average = 1.00): 2,00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,600
Length to Beam Ratio: 6,86 : 1
'Natural speed' for length: 19,38 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 22,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 23,33 ft / 7,11 m
- Forecastle (20%): 22,31 ft / 6,80 m
- Mid (50%): 22,31 ft / 6,80 m
- Quarterdeck (15%): 22,31 ft / 6,80 m
- Stern: 22,31 ft / 6,80 m
- Average freeboard: 22,39 ft / 6,82 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 42,7%
- Above water (accommodation/working, high = better): 171,5%
Waterplane Area: 14.727 Square feet or 1.368 Square metres
Displacement factor (Displacement / loading): 306%
Structure weight / hull surface area: 70 lbs/sq ft or 343 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,87
- Longitudinal: 3,64
- Overall: 1,01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather


Breakdown of MIscellaneous Weight (1500tons):
cranes and handling gear - 100 tons
Accomodations for 350 men @ 2 tons per man - 700 tons
Meeting rooms and amenities - 700 tons

Low-stowed cargo simmed as additionals fuel
true bunkers 1013tons; (8000 sm)
low-stowed-cargo: 3900 tons

low-stowed-cargo: 3900 tons
additional fuel - 2000 tons
Torpedo stowage (@2 tons) - 600 tons
Ammunition/battery stowage - 500 tons
parts & stores stowage - 600 tons
machine shop - 200 tons


Converted merchantman:
Cost to acquire and convert as naval auxiliary: 924 tons