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1

Monday, September 26th 2016, 2:01pm

His Imperial Chinese Navy - Amphibious Warfare Vessels (AV-XX)

Repository for data pertaining to the subject

2

Monday, September 26th 2016, 2:07pm

Index of Class and Vessels

Shao Yang - Class:
HICMS Shao Yang ( AV-01 ) - Active
HICMS Chien Yang ( AV-02 ) - Active
HICMS Liao Yang ( AV-03 ) - Active
HICMS Shen Yang ( AV-04 ) - Active
HICMS Te Yang ( AV-05 ) - Active
HICMS Yun Yang ( AV-06 ) - Active
HICMS Chen Yang ( AV-07 ) - Active


Zhen Nan - Class:
HICMS Zhen Nan ( AV-08 ) - Active
HICMS Yu Men ( AV-09 ) - Active
HICMS Yang Ming ( AV-10 ) - Active
HICMS Yong Ning ( AV-11 ) - Active
HICMS Yong Feng ( AV-12 ) - Active


Lian Bi - Class:
64 Vessels - Active


Chù - Class:
HICMS Chù ( AV-13 ) - Active
HICMS Shùw ( AV-14 ) - Active


Qingwa - Class:
HICMS Qingwa ( AV-15 ) - Active
HICMS Hama ( AV-16 ) - Active
HICMS Min ( AV-17 ) - Active
HICMS Chan ( AV-18 ) - Active


Nanning - Class (ex SAE Mimir - Class):
HICMS Nanning ( AV-19 ) - Active
HICMS Nanchang ( AV-20 ) - Active


Landing Vehicle Infantry (LVI):
LVI-1 - Active (permanently assigned to AV-19)
LVI-2 - Active (permanently assigned to AV-19)
LVI-3 - Active (permanently assigned to AV-20)
LVI-4 - Active (permanently assigned to AV-20)


Dongting - Class:
HICMS Dongting ( AV-21 ) - Active

3

Monday, September 26th 2016, 2:20pm

Shao Yang - Class

Shao Yang - Class
Fast Troop Transport

During the restructuration of the Chinese Navy, the APD-Class was renamed to Shao Yang - Class.

Dimensions:
Length, 92.5 m x Beam, 9.9 m x Depth, 3.4 m
1412 tonnes normal displacement (1244 tonnes standard)

Armament:
Main battery: 1 x 12.5-cm
Secondary battery: 4 x 3.5-cm
AA battery: 8 x 1.5-cm

Weight of broadside: 30 kg

Hull unarmored

Battery armor:
Main, 3.0 cm shields / secondary, 2.0 cm shields
AA, 2.0 cm shields

Maximum speed for 8003 shaft kw = 24.28 knots
Approximate cruising radius, 7300 nm / 12 knots

Typical complement: 115-150


Estimated cost, $1.815 million (£454,000)

Remarks:

Excellent seaboat; comfortable and able to fight her guns
in the heaviest weather.

Ship is roomy, with superior accommodation and working space.

Distribution of weights:
Percent
normal
displacement:

Armament ......................... 8 tonnes = 1 pct
Armor, total ..................... 4 tonnes = 0 pct

Armament 4 tonnes = 0 pct

Machinery ........................ 309 tonnes = 22 pct
Hull and fittings; equipment ..... 540 tonnes = 38 pct
Fuel, ammunition, stores ......... 202 tonnes = 14 pct
Miscellaneous weights ............ 350 tonnes = 25 pct
-----
1412 tonnes = 100 pct

Estimated metacentric height, 0.3 m

Displacement summary:

Light ship: 1210 tonnes
Standard displacement: 1244 tonnes
Normal service: 1412 tonnes
Full load: 1541 tonnes

Loading submergence 541 tonnes/metre

+++++++++++++++++++++++++


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.05

Shellfire needed to sink: 827 kg = 30.6 x 12.5-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 0.7
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 67 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.08

Relative quality as a seaboat: 1.69

+++++++++++++++++++++++++


Hull form characteristics:

Block coefficient: 0.45
Sharpness coefficient: 0.32
Hull speed coefficient 'M' = 8.26
'Natural speed' for length = 17.4 knots
Power going to wave formation
at top speed: 57 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 103 percent

Relative accommodation and working space: 135 percent


Displacement factor: 136 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 0.92
(Structure weight per square
metre of hull surface: 242 kg)

Relative longitudinal hull strength: 2.22
(for 4.30 m average freeboard;
freeboard adjustment +1.18 m)

Relative composite hull strength: 1.00

+++++++++++++++++++++++++


[Machine-readable parameters: Spring Style v. 1.2.1]

303.40 x 32.47 x 11.15; 14.10 -- Dimensions
0.45 -- Block coefficient
1934 -- Year laid down
24.28 / 7300 / 12.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
350 tons -- Miscellaneous weights
++++++++++
1 x 4.92; 0 -- Main battery; turrets
Central positioning of guns
Gun-shields
:
4 x 1.38; 0 -- Secondary battery; turrets
Gun-shields
:
8 x 0.59 -- Tertiary (QF/AA) battery
Gun-shields
:
0 -- No fourth (light) battery
0 -- No torpedo armament
++++++++++
0.00 -- No belt armor
0.00 / 0.00 -- Deck / CT
1.18 / 0.79 / 0.79 / 0.00 -- Battery armor


(Note: For portability, values are stored in Anglo-American units)

Breakdown of Miscellaneous Weight:
- 80 tons for 4 x 10 t LCVP and davits for them
- 240 tons for berthing for 120 troops
- 30 tons reserve and/or deck cargo



------------


Ships in Class:
HICMS Shao Yang; laid down 1932
HICMS Chien Yang; laid down 1933
HICMS Liao Yang; laid down 1934
HICMS Shen Yang; laid down 1935
HICMS Te Yang; laid down 1935
HICMS Yun Yang; laid down 1945
HICMS Chen Yang; laid down 1945

4

Monday, September 26th 2016, 2:38pm

Zhen Nan - Class

Zhen Nan - Class
Landing Craft Vehicle

During the restructuration of the Chinese Navy, the CLCV's were reclasified as Zhen Nan - Class.

Dimensions:
Length, 40.0 m x Beam, 9.2 m x Depth, 1.2 m
356 tonnes normal displacement (333 tonnes standard)

Armament:
Main battery: 2 x 3.5-cm
Secondary battery: 2 x 1.5-cm

Weight of broadside: 1 kg

Hull unarmored
Conning tower, 3.0 cm

Battery armor:
Main, 2.0 cm shields / secondary, 2.0 cm shields


Maximum speed for 400 shaft kw = 12.01 knots
Approximate cruising radius, 1500 nm / 12 knots

Typical complement: 41-53


Estimated cost, $243,000 (£61,000)

Remarks:

Ship has slow, easy roll; a good, steady gun platform.

Excellent seaboat; comfortable and able to fight her guns
in the heaviest weather.

Magazines and engineering spaces are roomy, with superior
watertight subdivision.

Ship is roomy, with superior accommodation and working space.


Distribution of weights:
Percent
normal
displacement:

Armor, total ..................... 2 tonnes = 1 pct

C.T. 1 tonnes = 0 pct
Armament 1 tonnes = 0 pct

Machinery ........................ 16 tonnes = 4 pct
Hull and fittings; equipment ..... 152 tonnes = 43 pct
Fuel, ammunition, stores ......... 31 tonnes = 9 pct
Miscellaneous weights ............ 155 tonnes = 44 pct
-----
356 tonnes = 100 pct

Estimated metacentric height, 0.3 m

Displacement summary:

Light ship: 326 tonnes
Standard displacement: 333 tonnes
Normal service: 356 tonnes
Full load: 373 tonnes

Loading submergence 320 tonnes/metre

+++++++++++++++++++++++++


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.14

Shellfire needed to sink: 599 kg = 1008.2 x 3.5-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 0.9
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 80 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.01

Relative quality as a seaboat: 2.00

+++++++++++++++++++++++++


Hull form characteristics:

Block coefficient: 0.80
Sharpness coefficient: 0.55
Hull speed coefficient 'M' = 5.65
'Natural speed' for length = 11.5 knots
Power going to wave formation
at top speed: 53 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 64 percent

Relative accommodation and working space: 197 percent


Displacement factor: 186 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 0.83
(Structure weight per square
metre of hull surface: 156 kg)

Relative longitudinal hull strength: 5.66
(for 3.80 m average freeboard;
freeboard adjustment +1.43 m)

Relative composite hull strength: 1.01

+++++++++++++++++++++++++


[Machine-readable parameters: Spring Style v. 1.2.1]

131.20 x 30.18 x 3.94; 12.46 -- Dimensions
0.80 -- Block coefficient
1931 -- Year laid down
12.01 / 1500 / 12.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
155 tons -- Miscellaneous weights
++++++++++
2 x 1.38; 0 -- Main battery; turrets
Central positioning of guns
Gun-shields
:
2 x 0.59; 0 -- Secondary battery; turrets
Gun-shields
:
0 -- No tertiary (QF/AA) battery
0 -- No fourth (light) battery
0 -- No torpedo armament
++++++++++
0.00 -- No belt armor
0.00 / 1.18 -- Deck / CT
0.79 / 0.79 / 0.00 / 0.00 -- Battery armor


(Note: For portability, values are stored in Anglo-American units)

Breakdown of Miscellaneous Weight:
- 100 tons for vehicles
- 50 tons for vehicle well, doors, and ramp
- 5 tons for weight allowance



------------


Ships in Class:
HICMS Zhen Nan; laid down 1935
HICMS Yu Men; laid down 1935
HICMS Yang Ming; laid down 1935
HICMS Yong Ning; laid down 1935
HICMS Yong Feng; laid down 1935

5

Monday, September 26th 2016, 2:47pm

Lian Bi - Class

Lian Bi - Class
Landing Craft Vehicle Personal

During the restructuration of the Chinese Navy, the LCVP's were reclasified as Lian Bi - Class.

Dimensions:
Length: 11,1 m
Beam: 3,33 m
Draft: (forward) 0,66 m; (aft) 0,86m
Light displacement: 9 t

Armament:
2 × 7.62mm MG

Engine:
Propulsion: Dieselengine max. 225 - 250hp
Speed: 9 knots

Cargo:
Troops: 36 men or vehicle: 1×2.6t or cargo - 4.5t max.

Crew:
3 men

------------


Ships in Class:
64 Vessels are still in service

6

Monday, September 26th 2016, 2:53pm

Chù - Class

Chù - Class
Assault Landing Ship

Displacement:
4,247 t light; 4,358 t standard; 4,795 t normal; 5,144 t full load

Dimensions:
Length overall / water x beam x draught
398.33 ft / 393.70 ft x 59.06 ft x 13.12 ft (normal load)
121.41 m / 120.00 m x 18.00 m x 4.00 m

Armament:
8 - 1.85" / 47.0 mm guns in single mounts, 3.17lbs / 1.44kg shells, 1941 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
8 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1941 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 27 lbs / 12 kg
Shells per gun, main battery: 900

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.79" / 20 mm 0.39" / 10 mm -
2nd: 0.39" / 10 mm 0.20" / 5 mm -

- Conning tower: 0.79" / 20 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 3,677 shp / 2,743 Kw = 15.00 kts
Range 5,500nm at 15.00 kts
Bunker at max displacement = 787 tons

Complement:
287 - 374

Cost:
£1.021 million / $4.083 million

Distribution of weights at normal displacement:
Armament: 3 tons, 0.1 %
Armour: 11 tons, 0.2 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 6 tons, 0.1 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 5 tons, 0.1 %
Machinery: 97 tons, 2.0 %
Hull, fittings & equipment: 1,735 tons, 36.2 %
Fuel, ammunition & stores: 548 tons, 11.4 %
Miscellaneous weights: 2,400 tons, 50.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
11,936 lbs / 5,414 Kg = 3,767.7 x 1.9 " / 47 mm shells or 2.3 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 2.7 ft / 0.8 m
Roll period: 15.1 seconds
Steadiness - As gun platform (Average = 50 %): 64 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.550
Length to Beam Ratio: 6.67 : 1
'Natural speed' for length: 19.84 kts
Power going to wave formation at top speed: 32 %
Trim (Max stability = 0, Max steadiness = 100): 32
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26.25 ft / 8.00 m
- Forecastle (20 %): 22.97 ft / 7.00 m
- Mid (50 %): 19.69 ft / 6.00 m
- Quarterdeck (15 %): 13.12 ft / 4.00 m (19.69 ft / 6.00 m before break)
- Stern: 13.12 ft / 4.00 m
- Average freeboard: 20.11 ft / 6.13 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 62.7 %
- Above water (accommodation/working, high = better): 220.1 %
Waterplane Area: 16,226 Square feet or 1,507 Square metres
Displacement factor (Displacement / loading): 182 %
Structure weight / hull surface area: 72 lbs/sq ft or 352 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 2.25
- Overall: 1.04
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Breakdown of Miscellaneous Weight:
- 300 tons for 1x heavy landing craft
- 72 tons for 8x landing craft (9t each)
- 28 tons for miscellaneous items associated with landing craft
- 800 tons for cargo
- 1200 tons for 600 troops

Thank to Brock for the sim

------------


Ships in Class:
HICMS Chù; laid down 1941
HICMS Shùw; laid down 1941

7

Monday, September 26th 2016, 3:28pm

Qingwa - Class

Qingwa - Class
Landing Ship

Displacement:
1,394 t light; 1,443 t standard; 1,764 t normal; 2,021 t full load

Dimensions:
Length overall / water x beam x draught
289.32 ft / 278.87 ft x 55.77 ft x 7.22 ft (normal load)
88.18 m / 85.00 m x 17.00 m x 2.20 m

Armament:
8 - 1.85" / 47.0 mm guns (4x2 guns), 3.17lbs / 1.44kg shells, 1941 Model
Anti-aircraft guns in deck mounts
on side, all aft
8 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1941 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 27 lbs / 12 kg
Shells per gun, main battery: 800

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 2,966 shp / 2,212 Kw = 16.00 kts
Range 5,500nm at 16.00 kts
Bunker at max displacement = 578 tons

Complement:
135 - 176

Cost:
£0.387 million / $1.549 million

Distribution of weights at normal displacement:
Armament: 3 tons, 0.2 %
Machinery: 78 tons, 4.4 %
Hull, fittings & equipment: 663 tons, 37.6 %
Fuel, ammunition & stores: 370 tons, 21.0 %
Miscellaneous weights: 650 tons, 36.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4,932 lbs / 2,237 Kg = 1,556.9 x 1.9 " / 47 mm shells or 1.9 torpedoes
Stability (Unstable if below 1.00): 1.40
Metacentric height 3.8 ft / 1.1 m
Roll period: 12.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.53

Hull form characteristics:
Hull has raised forecastle, raised quarterdeck
Block coefficient: 0.550
Length to Beam Ratio: 5.00 : 1
'Natural speed' for length: 16.70 kts
Power going to wave formation at top speed: 44 %
Trim (Max stability = 0, Max steadiness = 100): 46
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 19.69 ft / 6.00 m
- Forecastle (20 %): 16.40 ft / 5.00 m (9.84 ft / 3.00 m aft of break)
- Mid (50 %): 9.84 ft / 3.00 m
- Quarterdeck (15 %): 16.40 ft / 5.00 m (9.84 ft / 3.00 m before break)
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 12.40 ft / 3.78 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 57.6 %
- Above water (accommodation/working, high = better): 150.7 %
Waterplane Area: 10,855 Square feet or 1,008 Square metres
Displacement factor (Displacement / loading): 212 %
Structure weight / hull surface area: 50 lbs/sq ft or 244 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.58
- Overall: 1.00
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:
- 300 tons for 150 troops
- 300 tons for tanks, trucks, or vehicles
- 50 tons for other supplies

Thank to Brock for the sim

------------


Ships in Class:
HICMS Qingwa; laid down 1943
HICMS Hama; laid down 1943
HICMS Min; laid down 1943
HICMS Chan; laid down 1943

8

Monday, September 26th 2016, 4:05pm

Nanning - Class (ex SAE Mimir - Class)

Nanning - Class
Auxiliary Landing Ship

as laid down

Displacement:
1.999 t light; 2.077 t standard; 2.712 t normal; 3.221 t full load

Dimensions:
Length overall / water x beam x draught
367,45 ft / 367,45 ft x 39,37 ft x 13,12 ft (normal load)
112,00 m / 112,00 m x 12,00 m x 4,00 m

Armament:
4 - 4,13" / 105 mm guns (2x2 guns), 35,32lbs / 16,02kg shells, 1922 Model
Breech loading guns in deck mounts with hoists
on centreline ends, evenly spread
4 - 3,46" / 88,0 mm guns (3 mounts), 20,79lbs / 9,43kg shells, 1922 Model
Breech loading guns in deck mounts
on side, all amidships, all raised mounts - superfiring
8 - 1,57" / 40,0 mm guns (2x4 guns), 1,95lbs / 0,89kg shells, 1922 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
12 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1922 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 243 lbs / 110 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1,97" / 50 mm 147,64 ft / 45,00 m 7,51 ft / 2,29 m
Ends: Unarmoured
Main Belt covers 62% of normal length
Main belt does not fully cover magazines and engineering spaces

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm - -
2nd: 0,98" / 25 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 14.983 shp / 11.177 Kw = 24,20 kts
Range 10.000nm at 15,00 kts
Bunker at max displacement = 1.144 tons

Complement:
187 - 244

Cost:
£0,454 million / $1,818 million

Distribution of weights at normal displacement:
Armament: 30 tons, 1,1%
Armour: 118 tons, 4,3%
- Belts: 100 tons, 3,7%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 18 tons, 0,7%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 508 tons, 18,7%
Hull, fittings & equipment: 943 tons, 34,8%
Fuel, ammunition & stores: 713 tons, 26,3%
Miscellaneous weights: 400 tons, 14,7%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4.023 lbs / 1.825 Kg = 113,9 x 4,1 " / 105 mm shells or 1,1 torpedoes
Stability (Unstable if below 1.00): 1,17
Metacentric height 1,7 ft / 0,5 m
Roll period: 12,8 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0,20
Seaboat quality (Average = 1.00): 1,41

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,500
Length to Beam Ratio: 9,33 : 1
'Natural speed' for length: 19,17 kts
Power going to wave formation at top speed: 54 %
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: 21,10 ft / 6,43 m
- Forecastle (20%): 13,42 ft / 4,09 m
- Mid (50%): 13,42 ft / 4,09 m
- Quarterdeck (15%): 13,42 ft / 4,09 m
- Stern: 13,42 ft / 4,09 m
- Average freeboard: 14,03 ft / 4,28 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 86,2%
- Above water (accommodation/working, high = better): 131,7%
Waterplane Area: 9.639 Square feet or 895 Square metres
Displacement factor (Displacement / loading): 153%
Structure weight / hull surface area: 58 lbs/sq ft or 286 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,94
- Longitudinal: 1,69
- Overall: 1,00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Comments:
The vessel can carry up to 6 floatplanes of post-WW1 vintage.

------------


after rebuilt:


Displacement:
2.082 t light; 2.160 t standard; 2.676 t normal; 3.089 t full load

Dimensions:
Length overall / water x beam x draught
367,45 ft / 362,53 ft x 39,37 ft x 13,12 ft (normal load)
112,00 m / 110,50 m x 12,00 m x 4,00 m

Armament:
4 - 4,13" / 105 mm guns (2x2 guns), 35,32lbs / 16,02kg shells, 1922 Model
Breech loading guns in deck mounts with hoists
on centreline ends, evenly spread
8 - 1,57" / 40,0 mm guns (2x4 guns), 1,95lbs / 0,89kg shells, 1922 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
14 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1922 Model
Machine guns in deck mounts
on side, evenly spread, 5 raised mounts
Weight of broadside 160 lbs / 73 kg
Shells per gun, main battery: 250

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1,38" / 35 mm 229,66 ft / 70,00 m 9,84 ft / 3,00 m
Ends: Unarmoured
Main Belt covers 97% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,98" / 25 mm -
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

- Conning tower: 1,18" / 30 mm

Machinery:
Oil fired boilers, steam turbines,
Hydraulic drive, 2 shafts, 14.964 shp / 11.163 Kw = 24,20 kts
Range 10.000nm at 15,00 kts
Bunker at max displacement = 929 tons

Complement:
185 - 241

Cost:
£0,392 million / $1,569 million

Distribution of weights at normal displacement:
Armament: 20 tons, 0,7%
Armour: 150 tons, 5,6%
- Belts: 131 tons, 4,9%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 14 tons, 0,5%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 5 tons, 0,2%
Machinery: 386 tons, 14,4%
Hull, fittings & equipment: 826 tons, 30,9%
Fuel, ammunition & stores: 594 tons, 22,2%
Miscellaneous weights: 700 tons, 26,2%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
3.055 lbs / 1.385 Kg = 86,5 x 4,1 " / 105 mm shells or 1,0 torpedoes
Stability (Unstable if below 1.00): 1,01
Metacentric height 1,3 ft / 0,4 m
Roll period: 14,7 seconds
Steadiness - As gun platform (Average = 50 %): 68 %
- Recoil effect (Restricted arc if above 1.00): 0,11
Seaboat quality (Average = 1.00): 1,22

Hull form characteristics:
Hull has raised forecastle, raised quarterdeck
Block coefficient: 0,500
Length to Beam Ratio: 9,21 : 1
'Natural speed' for length: 19,04 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 56
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 4,92 ft / 1,50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20,34 ft / 6,20 m
- Forecastle (20%): 16,40 ft / 5,00 m (8,53 ft / 2,60 m aft of break)
- Mid (50%): 8,53 ft / 2,60 m
- Quarterdeck (35%): 16,40 ft / 5,00 m (8,53 ft / 2,60 m before break)
- Stern: 16,40 ft / 5,00 m
- Average freeboard: 13,18 ft / 4,02 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 82,1%
- Above water (accommodation/working, high = better): 83,5%
Waterplane Area: 9.510 Square feet or 883 Square metres
Displacement factor (Displacement / loading): 150%
Structure weight / hull surface area: 54 lbs/sq ft or 263 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,97
- Longitudinal: 1,36
- Overall: 1,01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Good seaboat, rides out heavy weather easily

Breakdown of Miscellaneous Weight:
- 200 tons for 2x LVI
- 500 tons of supplies
or
- 200 tons for 2x LVI
- 500 tons of tanks and vehicles
or
- 200 tons for 2x LVI
- 250 troops over short distances

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Ships in Class:
HICMS Nanchang; laid down 1922, rebuilt 1942
HICMS Nanning; laid down 1922, rebuilt 1942

9

Monday, September 26th 2016, 4:15pm

LVI - Landing Vehicle Infantry

LVI
Landing Vehicle Infantry

Displacement:
101 t light; 104 t standard; 106 t normal; 109 t full load

Dimensions:
Length overall / water x beam x draught
106,61 ft / 104,99 ft x 19,03 ft x 2,33 ft (normal load)
32,49 m / 32,00 m x 5,80 m x 0,71 m

Armament:
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1938 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 0 lbs / 0 kg
Shells per gun, main battery: 3.500

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,39" / 10 mm - -
- Conning tower: 0,98" / 25 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 427 shp / 318 Kw = 14,00 kts
Range 360nm at 12,00 kts
Bunker at max displacement = 5 tons

Complement:
16 - 21

Cost:
£0,029 million / $0,117 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0,1%
Armour: 1 tons, 0,5%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 0 tons, 0,1%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,4%
Machinery: 12 tons, 11,0%
Hull, fittings & equipment: 48 tons, 45,4%
Fuel, ammunition & stores: 6 tons, 5,4%
Miscellaneous weights: 40 tons, 37,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
298 lbs / 135 Kg = 1.222,0 x 0,8 " / 20 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,06
Metacentric height 0,5 ft / 0,1 m
Roll period: 11,7 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0,00
Seaboat quality (Average = 1.00): 0,85

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0,800
Length to Beam Ratio: 5,52 : 1
'Natural speed' for length: 11,93 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 60
Bow angle (Positive = bow angles forward): 10,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 9,19 ft / 2,80 m
- Forecastle (20%): 7,22 ft / 2,20 m
- Mid (50%): 6,56 ft / 2,00 m
- Quarterdeck (15%): 6,56 ft / 2,00 m
- Stern: 6,56 ft / 2,00 m
- Average freeboard: 6,95 ft / 2,12 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 78,5%
- Above water (accommodation/working, high = better): 146,0%
Waterplane Area: 1.826 Square feet or 170 Square metres
Displacement factor (Displacement / loading): 165%
Structure weight / hull surface area: 20 lbs/sq ft or 97 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,87
- Longitudinal: 3,46
- Overall: 1,00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

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Ships in Class:
LVI-1; laid down 1942 - permanently assigned to AV-19
LVI-2; laid down 1942 - permanently assigned to AV-19
LVI-3; laid down 1942 - permanently assigned to AV-20
LVI-4; laid down 1942 - permanently assigned to AV-20

10

Monday, September 26th 2016, 4:33pm

Dongting - Class

Dongting - Class
Landing Ship

Displacement:
6.735 t light; 6.893 t standard; 7.384 t normal; 7.777 t full load

Dimensions:
Length overall / water x beam x draught
476,38 ft / 472,44 ft x 72,18 ft x 13,78 ft (normal load)
145,20 m / 144,00 m x 22,00 m x 4,20 m

Armament:
4 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1944 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, all raised mounts - superfiring
16 - 0,79" / 20,0 mm guns (8x2 guns), 0,24lbs / 0,11kg shells, 1944 Model
Anti-aircraft guns in deck mounts
on side, all amidships, 4 raised mounts - superfiring
Weight of broadside 55 lbs / 25 kg
Shells per gun, main battery: 300

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 13.358 shp / 9.965 Kw = 20,00 kts
Range 5.500nm at 14,00 kts
Bunker at max displacement = 884 tons

Complement:
397 - 517

Cost:
£1,799 million / $7,195 million

Distribution of weights at normal displacement:
Armament: 7 tons, 0,1%
Machinery: 353 tons, 4,8%
Hull, fittings & equipment: 2.475 tons, 33,5%
Fuel, ammunition & stores: 649 tons, 8,8%
Miscellaneous weights: 3.900 tons, 52,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
13.368 lbs / 6.064 Kg = 1.038,5 x 3,0 " / 75 mm shells or 2,4 torpedoes
Stability (Unstable if below 1.00): 1,09
Metacentric height 3,6 ft / 1,1 m
Roll period: 16,0 seconds
Steadiness - As gun platform (Average = 50 %): 79 %
- Recoil effect (Restricted arc if above 1.00): 0,01
Seaboat quality (Average = 1.00): 1,58

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,550
Length to Beam Ratio: 6,55 : 1
'Natural speed' for length: 21,74 kts
Power going to wave formation at top speed: 42 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 3,94 ft / 1,20 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 19,19 ft / 5,85 m
- Forecastle (20%): 17,22 ft / 5,25 m
- Mid (50%): 17,22 ft / 5,25 m
- Quarterdeck (15%): 17,22 ft / 5,25 m
- Stern: 17,22 ft / 5,25 m
- Average freeboard: 17,38 ft / 5,30 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 74,4%
- Above water (accommodation/working, high = better): 196,7%
Waterplane Area: 23.798 Square feet or 2.211 Square metres
Displacement factor (Displacement / loading): 158%
Structure weight / hull surface area: 79 lbs/sq ft or 386 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,98
- Longitudinal: 1,24
- Overall: 1,00
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 Misc. Weight:
- 2900 tons for 1450 troops
- 266 tons for 28 LCs (each 9,5 tons)
- 100 tons for 2 catapults
- 250 tons for Doors & landing craft launch system, cranes
- 225 tons for 9 seaplanes
- 159 tons for electronics etc

Landing Craft (onboard):
Displacement: 9.5 tons
Length (OA): 47 feet
Beam: 10 feet
Draught: 2.6 feet
Propulsion: 1x Diesel, 60 hp
Speed: 9 knots
Range: 100 nm at 7.5 knots
Complement: 12
Capacity: 70 troops or 12 tons cargo

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Ships in Class:
HICMS Dongting; laid down 1944