WesWorld

Repository for data pertaining to subject class of vessels

Shuihong - Class:
HICMS Shuihong-1 ( MWS-01 ) - Active
HICMS Shuihong-2 ( MWS-02 ) - Active
HICMS Shuihong-3 ( MWS-03 ) - Active
HICMS Shuihong-4 ( MWS-04 ) - Active
HICMS Shuihong-5 ( MWS-05 ) - Active


Gongshu - Class (ex-Australian Thorneycroft 'R' rebuild):
HICMS Gongshu ( MWS-06 ) - Active
HICMS Gongke ( MWS-07 ) - Active
HICMS Juyaoke ( MWS-08 ) - Active
HICMS Dianyaomu ( MWS-09 ) - lost by mine


Fushun - Class:
HICMS Fushun-01 ( MWS-10 ) - lost by mine
HICMS Fushun-02 ( MWS-11 ) - Active
HICMS Fushun-03 ( MWS-12 ) - Active
HICMS Fushun-04 ( MWS-13 ) - Active
HICMS Fushun-05 ( MWS-14 ) - Active
HICMS Fushun-06 ( MWS-15 ) - Active
HICMS Fushun-07 ( MWS-16 ) - Active
HICMS Fushun-08 ( MWS-17 ) - Active
HICMS Fushun-09 ( MWS-18 ) - Active
HICMS Fushun-10 ( MWS-19 ) - Active
HICMS Fushun-11 ( MWS-20 ) - Active
HICMS Fushun-12 ( MWS-21 ) - Active
HICMS Fushun-13 ( MWS-22 ) - Active
HICMS Fushun-14 ( MWS-23 ) - Active
HICMS Fushun-15 ( MWS-24 ) - Active


Tian Yan - Class:
HICMS Tian Yan ( MWS-100 ) - Active
HICMS Lie Ying ( MWS-101 ) - Active


Lauting - Class:
HICMS Lauting ( MWS-200 ) - Active

Shuihong - Class
Minesweeper

Dimensions:
Length, 52.0 m x Beam, 8.0 m x Depth, 2.7 m
566 tonnes normal displacement (475 tonnes standard)

Armament:
Main battery: 1 x 10.5-cm
Secondary battery: 2 x 3.5-cm (1 x 2)
AA battery: 4 x 1.5-cm (1 x 4)

Weight of broadside: 17 kg

Hull unarmored
Conning tower, 5.0 cm

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

Maximum speed for 3999 shaft kw = 21.50 knots
Approximate cruising radius, 6000 nm / 12 knots

Typical complement: 58-75


Estimated cost, $717,000 (£179,000)

Distribution of weights:
Percent
normal
displacement:

Armament ......................... 5 tonnes = 1 pct
Armor, total ..................... 5 tonnes = 1 pct

C.T. 3 tonnes = 1 pct
Armament 2 tonnes = 0 pct

Machinery ........................ 162 tonnes = 29 pct
Hull and fittings; equipment ..... 238 tonnes = 42 pct
Fuel, ammunition, stores ......... 106 tonnes = 19 pct
Miscellaneous weights ............ 50 tonnes = 9 pct
-----
566 tonnes = 100 pct

Estimated metacentric height, 0.2 m

Displacement summary:

Light ship: 460 tonnes
Standard displacement: 475 tonnes
Normal service: 566 tonnes
Full load: 637 tonnes

Loading submergence 264 tonnes/metre

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


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.10

Shellfire needed to sink: 312 kg = 19.4 x 10.5-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 0.4
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 58 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.10

Relative quality as a seaboat: 1.15

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


Hull form characteristics:

Block coefficient: 0.50
Sharpness coefficient: 0.38
Hull speed coefficient 'M' = 6.30
'Natural speed' for length = 13.1 knots
Power going to wave formation
at top speed: 71 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 109 percent

Relative accommodation and working space: 115 percent


Displacement factor: 135 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 0.97
(Structure weight per square
metre of hull surface: 220 kg)

Relative longitudinal hull strength: 5.47
(for 3.80 m average freeboard;
freeboard adjustment +1.20 m)

Relative composite hull strength: 1.16

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


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

170.56 x 26.24 x 8.86; 12.46 -- Dimensions
0.50 -- Block coefficient
1933 -- Year laid down
21.50 / 6000 / 12.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
50 tons -- Miscellaneous weights
++++++++++
1 x 4.13; 0 -- Main battery; turrets
Central positioning of guns
Gun-shields
:
2 x 1.38; 0 -- Secondary battery; turrets
Gun-shields
:
4 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 / 1.97 -- Deck / CT
1.18 / 0.79 / 0.79 / 0.00 -- Battery armor

Breakdown of Miscellaneous Weight:
- 20 tons minesweeping gear
- 10 tons for hydrophone
- 15 tons for DC rails
- 5 tons for 50 DC (each DC: 100kg)





Ships in Class:
HICMS Shuihong-1 laid down 1933
HICMS Shuihong-2 laid down 1934
HICMS Shuihong-3 laid down 1934
HICMS Shuihong-4 laid down 1935
HICMS Shuihong-5 laid down 1935

Gongshu - Class (ex-Australian Thorneycroft 'R' rebuild)
Minelayer

Displacement:
917 t light; 944 t standard; 1,054 t normal; 1,143 t full load

Dimensions:
Length overall / water x beam x draught
279.61 ft / 274.25 ft x 27.00 ft x 11.00 ft (normal load)
85.22 m / 83.59 m x 8.23 m x 3.35 m

Armament:
2 - 2.95" / 75.0 mm guns (1x2 guns), 13.00lbs / 5.90kg shells, 1932 Model
Dual purpose guns in a deck mount with hoist
on centreline forward
4 - 1.38" / 35.0 mm guns (2x2 guns), 1.32lbs / 0.60kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on centreline, all amidships, all raised mounts - superfiring
8 - 0.54" / 13.7 mm guns (4x2 guns), 0.11lbs / 0.05kg shells, 1932 Model
Machine guns in deck mounts
on side, evenly spread, 2 raised mounts
Weight of broadside 32 lbs / 15 kg
Shells per gun, main battery: 250
4 - 18.0" / 457.2 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm 0.39" / 10 mm -
2nd: 0.39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 28,265 shp / 21,086 Kw = 33.00 kts
Range 3,500nm at 15.00 kts
Bunker at max displacement = 199 tons

Complement:
92 - 120

Cost:
£0.185 million / $0.739 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0.4 %
Armour: 3 tons, 0.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 3 tons, 0.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 554 tons, 52.5 %
Hull, fittings & equipment: 287 tons, 27.2 %
Fuel, ammunition & stores: 137 tons, 13.0 %
Miscellaneous weights: 70 tons, 6.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
271 lbs / 123 Kg = 21.1 x 3.0 " / 75 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 1.0 ft / 0.3 m
Roll period: 11.6 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.10
Seaboat quality (Average = 1.00): 0.77

Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0.453
Length to Beam Ratio: 10.16 : 1
'Natural speed' for length: 18.99 kts
Power going to wave formation at top speed: 73 %
Trim (Max stability = 0, Max steadiness = 100): 65
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20.00 ft / 6.10 m
- Forecastle (20 %): 15.00 ft / 4.57 m (12.00 ft / 3.66 m aft of break)
- Mid (50 %): 12.00 ft / 3.66 m
- Quarterdeck (15 %): 12.00 ft / 3.66 m
- Stern: 12.00 ft / 3.66 m
- Average freeboard: 13.00 ft / 3.96 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 179.9 %
- Above water (accommodation/working, high = better): 88.8 %
Waterplane Area: 4,919 Square feet or 457 Square metres
Displacement factor (Displacement / loading): 59 %
Structure weight / hull surface area: 27 lbs/sq ft or 133 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.68
- Overall: 0.59
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

Breakdown of Miscellaneous Weight:
- 20 tons minelaying equipment
- 10 tons hydrophone
- 40 tons stored mines





Ships in Class:
HICMS Gongshu; laid down 1916 (refitted 1932)
HICMS Gongke; laid down 1916 (refitted 1932)
HICMS Juyaoke; laid down 1916 (refitted 1932)
HICMS Dianyaomu; laid down 1916 (refitted 1932)

Fushun - Class
Coastal Minesweeper

Displacement:
113 t light; 119 t standard; 127 t normal; 134 t full load

Dimensions:
Length overall / water x beam x draught
124.77 ft / 120.73 ft x 18.77 ft x 4.92 ft (normal load)
38.03 m / 36.80 m x 5.72 m x 1.50 m

Armament:
2 - 1.77" / 45.0 mm guns in single mounts, 2.78lbs / 1.26kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
2 - 0.50" / 12.7 mm guns (1x2 guns), 0.06lbs / 0.03kg shells, 1938 Model
Anti-aircraft guns in deck mount
on centreline amidships, all raised guns - superfiring
Weight of broadside 6 lbs / 3 kg
Shells per gun, main battery: 1,000

Armour:
- Conning tower: 0.31" / 8 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 3 shafts, 575 shp / 429 Kw = 16.20 kts
Range 2,500nm at 10.00 kts
Bunker at max displacement = 15 tons

Complement:
18 - 24

Cost:
£0.038 million / $0.153 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0.6%
Armour: 0 tons, 0.1%
- Belts: 0 tons, 0.0%
- Torpedo bulkhead: 0 tons, 0.0%
- Armament: 0 tons, 0.0%
- Armour Deck: 0 tons, 0.0%
- Conning Tower: 0 tons, 0.1%
Machinery: 16 tons, 12.4%
Hull, fittings & equipment: 62 tons, 48.4%
Fuel, ammunition & stores: 14 tons, 11.1%
Miscellaneous weights: 35 tons, 27.5%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
318 lbs / 144 Kg = 114.4 x 1.8 " / 45 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.09
Metacentric height 0.5 ft / 0.1 m
Roll period: 11.4 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 1.73

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 6.43 : 1
'Natural speed' for length: 13.25 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 29
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 11.09 ft / 3.38 m
- Forecastle (20%): 10.50 ft / 3.20 m
- Mid (50%): 10.50 ft / 3.20 m (6.56 ft / 2.00 m aft of break)
- Quarterdeck (15%): 6.56 ft / 2.00 m
- Stern: 6.56 ft / 2.00 m
- Average freeboard: 8.58 ft / 2.61 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 77.3%
- Above water (accommodation/working, high = better): 128.3%
Waterplane Area: 1,447 Square feet or 134 Square metres
Displacement factor (Displacement / loading): 176%
Structure weight / hull surface area: 22 lbs/sq ft or 109 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.79
- Longitudinal: 7.85
- Overall: 1.00
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:
- 20 tons minesweeping gear
- 10 tons sonar
- 5 tons spare





Ships in Class:
HICMS Fushun-1; laid down 1937
HICMS Fushun-2; laid down 1937
HICMS Fushun-3; laid down 1937
HICMS Fushun-4; laid down 1937
HICMS Fushun-5; laid down 1937
HICMS Fushun-6; laid down 1938
HICMS Fushun-7; laid down 1938
HICMS Fushun-8; laid down 1938
HICMS Fushun-9; laid down 1938
HICMS Fushun-10; laid down 1938
HICMS Fushun-11; laid down 1938
HICMS Fushun-12; laid down 1938
HICMS Fushun-13; laid down 1938
HICMS Fushun-14; laid down 1938
HICMS Fushun-15; laid down 1938

Tian Yan - Class:
Minewarfare Mothership

Displacement:
4.558 t light; 4.988 t standard; 5.911 t normal; 6.650 t full load

Dimensions:
Length overall / water x beam x draught
457,30 ft / 446,19 ft x 58,40 ft x 14,44 ft (normal load)
139,38 m / 136,00 m x 17,80 m x 4,40 m

Armament:
6 - 4,13" / 105 mm guns (3x2 guns), 35,32lbs / 16,02kg shells, 1943 Model
Breech loading guns in deck mounts with hoists
on centreline ends, majority forward, 2 raised mounts - superfiring
8 - 1,46" / 37,0 mm guns (4x2 guns), 1,55lbs / 0,70kg shells, 1943 Model
Anti-aircraft guns in deck mounts
on side, all amidships, 2 raised mounts - superfiring
6 - 0,31" / 8,0 mm guns (3x2 guns), 0,02lbs / 0,01kg shells, 1943 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 224 lbs / 102 kg
Shells per gun, main battery: 2.400

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 11.431 shp / 8.528 Kw = 20,00 kts
Range 8.000nm at 17,00 kts
Bunker at max displacement = 1.662 tons

Complement:
336 - 438

Cost:
£1,469 million / $5,876 million

Distribution of weights at normal displacement:
Armament: 28 tons, 0,5%
Machinery: 295 tons, 5,0%
Hull, fittings & equipment: 2.485 tons, 42,0%
Fuel, ammunition & stores: 1.353 tons, 22,9%
Miscellaneous weights: 1.750 tons, 29,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
16.134 lbs / 7.318 Kg = 456,8 x 4,1 " / 105 mm shells or 2,7 torpedoes
Stability (Unstable if below 1.00): 1,00
Metacentric height 2,2 ft / 0,7 m
Roll period: 16,5 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0,17
Seaboat quality (Average = 1.00): 2,00

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,550
Length to Beam Ratio: 7,64 : 1
'Natural speed' for length: 21,12 kts
Power going to wave formation at top speed: 42 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 30,51 ft / 9,30 m
- Forecastle (20%): 28,54 ft / 8,70 m
- Mid (50%): 28,54 ft / 8,70 m (22,31 ft / 6,80 m aft of break)
- Quarterdeck (15%): 22,31 ft / 6,80 m
- Stern: 22,31 ft / 6,80 m
- Average freeboard: 25,58 ft / 7,80 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 58,4%
- Above water (accommodation/working, high = better): 259,7%
Waterplane Area: 18.185 Square feet or 1.689 Square metres
Displacement factor (Displacement / loading): 230%
Structure weight / hull surface area: 76 lbs/sq ft or 370 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,88
- Longitudinal: 4,12
- Overall: 1,03
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

Comments:
Bunker at max displacement = 1.662 tons
Operational Range: 3000nm (662 tons)
1000tons Diesel fuel for other use

Breakdown of Miscellaneous Weight:
- 25 tons for catapult
- 25 tons for aircraft (GY-196)
- 25 tons for electronic equipment
- 25 tons for degaussing system
- 150 tons for other use

Optional placement:
- 1500 tons for mines

or
- 12 boats with minesweeping gear
- 4 tug boats
- 4 buoy boats
- 1 leader boat

or
- 10 small minesweepers
- 6 Buoyboats
- 1 leader boat


small boats (onboard):
Tonnage: 15 tons
Length: 13,5m o.a. / 13m wl
Width: 3,48m
Draught: 0,9m
Freeboard: 2,35m
Engine: 2x 6cyl diesel 150 hp / 12 kn / 2 shafts
Range: 175 sm / 12 kn





Ships in Class:
HICMS Tian Yan; laid down 1944
HICMS Lie Ying; laid down 1944

HICMS Lauting
Mine Transporter

Info:
Mine transports intended for transportation of mines with the subsequent transfer on other ships; no own minelaying equipment had, mines were stored in holds in not-ready condition.


Displacement:
823 t light; 853 t standard; 1.480 t normal; 1.982 t full load

Dimensions:
Length overall / water x beam x draught
181,80 ft / 174,87 ft x 34,12 ft x 14,47 ft (normal load)
55,41 m / 53,30 m x 10,40 m x 4,41 m

Armament:
4 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1948 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, all raised mounts - superfiring
Weight of broadside 1 lbs / 0 kg
Shells per gun, main battery: 400

Machinery:
Diesel Internal combustion motors,
Geared drive, 1 shaft, 392 shp / 292 Kw = 9,50 kts
Range 60.000nm at 9,00 kts
Bunker at max displacement = 1.129 tons

Complement:
119 - 155

Cost:
£0,225 million / $0,902 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0,0%
Machinery: 10 tons, 0,6%
Hull, fittings & equipment: 663 tons, 44,8%
Fuel, ammunition & stores: 657 tons, 44,4%
Miscellaneous weights: 150 tons, 10,1%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
10.415 lbs / 4.724 Kg = 42.667,3 x 0,8 " / 20 mm shells or 6,8 torpedoes
Stability (Unstable if below 1.00): 1,14
Metacentric height 1,3 ft / 0,4 m
Roll period: 12,7 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0,00
Seaboat quality (Average = 1.00): 2,00

Hull form characteristics:
Hull has raised forecastle, rise forward of midbreak, raised quarterdeck
Block coefficient: 0,600
Length to Beam Ratio: 5,13 : 1
'Natural speed' for length: 13,22 kts
Power going to wave formation at top speed: 36 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 15,00 degrees
Stern overhang: 2,62 ft / 0,80 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 16,08 ft / 4,90 m
- Forecastle (20%): 15,75 ft / 4,80 m (13,78 ft / 4,20 m aft of break)
- Mid (50%): 13,12 ft / 4,00 m (10,50 ft / 3,20 m aft of break)
- Quarterdeck (20%): 13,78 ft / 4,20 m (10,50 ft / 3,20 m before break)
- Stern: 13,78 ft / 4,20 m
- Average freeboard: 13,12 ft / 4,00 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 15,0%
- Above water (accommodation/working, high = better): 81,8%
Waterplane Area: 4.269 Square feet or 397 Square metres
Displacement factor (Displacement / loading): 870%
Structure weight / hull surface area: 85 lbs/sq ft or 416 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,70
- Longitudinal: 10,91
- Overall: 2,04
Hull space for machinery, storage, compartmentation is excellent
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

Breakdown of Misc. Weight:
100 tons for cranes and rails for mine stowing
50 tons reserved for design growth or war modification


Info:
true range: 3000sm at 9 kn / true bunker: 69 tons
low stowed cargo: 1060 tons => 265 mines @ 4 tons