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1

Wednesday, September 28th 2016, 9:10am

His Imperial Chinese Navy - Escort Cruiser (CE-XX)

Repository for information relating to subject class of warships

2

Wednesday, September 28th 2016, 10:03am

Index of Class and Vessels

Lhasa - Class (ex Greece Athinai Cruiser):
HICMS Lhasa ( CE-01 ) - Active
HICMS Nagqu ( CE-02 ) - Active
HICMS Qamdo ( CE-03 ) - Active
HICMS Nyingchi ( CE-04 ) - Active
HICMS Shannan ( CE-05 ) - Active
HICMS Ngari ( CE-06 ) - Active


Taitung - Class (ex Peru Almirante Tucker-Class):
HICMS Jeye ( CE-07 ) - Active
HICMS Taitung ( CE-08 ) - Active


Xuli - Class (ex Bharat Chennai Cruiser):
HICMS Xuli ( CE-09 ) - Active


Xia - Class:
HICMS Xia ( CE-10 ) - Active
HICMS Yaofeng ( CE-11 ) - on trials
HICMS Suhitou ( CE-12 ) - on trials


Zhonglu - Class (ex-SAE Santa Fé Cruiser):
HICMS Tongtu ( CE-13 ) - Reservefleet
HICMS Zhonglu ( CE-14 ) - Reservefleet

3

Wednesday, September 28th 2016, 10:42am

Lhasa - Class (ex Greece Athinai Cruiser)

Lhasa - Class (ex Greece Athinai Cruiser)
Escort Cruiser

Displacement:
5,774 t light; 5,997 t standard; 6,312 t normal; 6,538 t full load
Loading submergence 480 tons/feet

Dimensions:
490.00 ft x 57.00 ft x 16.90 ft (normal load)
149.35 m x 17.37 m x 5.15 m

Armament:
8 - 6.00" / 152 mm guns (4 Main turrets x 2 guns, 2 superfiring turrets)
4 - 5.00" / 127 mm guns (4 2nd turrets x 1 guns)
24 - 1.57" / 40 mm AA guns
12 - 0.50" / 13 mm guns
Weight of broadside 1,162 lbs / 527 kg
12 - 21.0" / 533.4 mm above water torpedoes

Armour:
Belt 5.50" / 140 mm, ends unarmoured
Belts cover 63 % of normal area
Main turrets 6.00" / 152 mm
Armour deck 3.50" / 89 mm, Conning tower 6.00" / 152 mm
Machinery: Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 22,031 shp / 16,435 Kw = 24.00 kts
Range 5,000nm at 12.00 kts

Complement:
354 - 460

Cost:
£1.388 million / $5.553 million

Distribution of weights at normal Displacement:
Armament: 145 tons, 2.3 % Armour: 2,008 tons, 31.8 %
Belts: 416 tons, 6.6 %, Armament: 460 tons, 7.3 %, Armour Deck: 1,087 tons, 17.2 %
Conning Tower: 44 tons, 0.7 %, Torpedo bulkhead: 0 tons, 0.0 % Machinery: 715 tons, 11.3 %
Hull, fittings & equipment: 2,486 tons, 39.4 %
Fuel, ammunition & stores: 537 tons, 8.5 %
Miscellaneous weights: 420 tons, 6.7 %

Metacentric height 2.4

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.05
Shellfire needed to sink: 11,030 lbs / 5,003 Kg = 102.1 x 6.0 " / 152 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 2.3
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 74 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.37
Relative quality as seaboat: 1.41

Hull form characteristics:
Block coefficient: 0.468
Sharpness coefficient: 0.34
Hull speed coefficient 'M': 8.11
'Natural speed' for length: 22.14 kts
Power going to wave formation at top speed: 46 %
Trim: 52
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 62.7 %
Relative accommodation and working space: 95.4 %
(Average = 100%)
Displacement factor: 126 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.98
(Structure weight / hull surface area: 95 lbs / square foot or 464 Kg / square metre)
Relative longitudinal hull strength: 1.23
(for 15.00 ft / 4.57 m average freeboard, freeboard adjustment 1.19 ft)
Relative composite hull strength: 1.00

Remarks:
Hull space for machinery, storage & compartmentation is excellent
Room for accommodation & workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Informations from the Greece Ency:
Built to comply with the Clieto Treaty and to give the navy more cruiser size ships. These ships introduced the powered 6" twin mount to deal with fast moving targets.

Breakdown of Miscellaneous Weight:
- 25 tons for degaussing system
- 25 tons for catapult
- 100 tons for 4 aircraft
- 48 tons for crew comforts
- 72 tons for spare torpedoes and handling equipment
- 150 tons for general storage and future growth

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


Ships in Class:
HICMS Lhasa; laid down 1925]
HICMS Nagqu; laid down 1926
HICMS Qamdo; laid down 1926
HICMS Nyingchi; laid down 1927
HICMS Shannan; laid down 1927
HICMS Ngari; laid down 1928

4

Wednesday, September 28th 2016, 11:15am

Taitung - Class (ex Peru Almirante Tucker-Class)

Taitung - Class (ex Peru Almirante Tucker-Class)
Escort Cruiser

as laid down

Length, 129.9 m x Beam, 14.0 m x Depth, 5.5 m
4535 tonnes normal displacement (4118 tonnes standard)

Main battery: 8 x 10.5-cm
Secondary battery: 4 x 8.8-cm
QF battery: 2 x 3.7-cm
Light battery: 4 x 1.5-cm

Weight of broadside: 168 kg

4 TT, 45.0 cm

Main belt, 7.5 cm; full length
Armor deck, average 4.0 cm
Conning tower, 10.0 cm

Battery armor:
Main, 2.5 cm shields / secondary, 2.5 cm
QF, 2.0 cm shields / light guns, 1.5 cm shields

Maximum speed for 22013 shaft kw = 27.00 knots
Approximate cruising radius, 6000 nm / 10 knots

Typical complement: 276-359

Estimated cost, $1.439 million (£360,000)

Remarks:
Ship has slow, easy roll; a good, steady gun platform.
Main deck secondary guns subject to being washed down in a seaway.

Distribution of weights:
Percent normal displacement:

Armament ......................... 46 tonnes = 1 pct
Armor, total ..................... 785 tonnes = 17 pct

Belt 407 tonnes = 9 pct
Deck 334 tonnes = 7 pct
C.T. 23 tonnes = 1 pct
Armament 20 tonnes = 0 pct

Machinery ........................ 1294 tonnes = 29 pct
Hull and fittings; equipment ..... 1822 tonnes = 40 pct
Fuel, ammunition, stores ......... 539 tonnes = 12 pct
Miscellaneous weights ............ 50 tonnes = 1 pct
-----
4535 tonnes = 100 pct

Estimated metacentric height, 0.6 m

Displacement summary:
Light ship: 3996 tonnes
Standard displacement: 4118 tonnes
Normal service: 4535 tonnes
Full load: 4851 tonnes

Loading submergence 1076 tonnes/metre

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

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.17

Shellfire needed to sink: 2162 kg = 134.6 x 10.5-cm shells (Approximates weight of penetrating shell hits needed to sink ship,not counting critical hits)

Torpedoes needed to sink: 1.0 (Approximates number of 'typical' torpedo hits needed to sink ship)

Relative steadiness as gun platform, 71 percent (50 percent is 'average')

Relative rocking effect from firing to beam, 0.10

Relative quality as a seaboat: 1.05

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

Hull form characteristics:

Block coefficient: 0.45
Sharpness coefficient: 0.32
Hull speed coefficient 'M' = 7.87
'Natural speed' for length = 20.6 knots
Power going to wave formation at top speed: 55 percent

Estimated hull characteristics and strength:
Relative underwater volume absorbed by magazines and engineering spaces: 102 percent
Relative accommodation and working space: 100 percent
Displacement factor: 120 percent (Displacement relative to loading factors)

Relative cross-sectional hull strength: 1.23 (Structure weight per square metre of hull surface: 441 kg)

Relative longitudinal hull strength: 1.75 (for 4.30 m average freeboard; freeboard adjustment +0.36 m)

Relative composite hull strength: 1.27

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

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

426.00 x 46.00 x 18.00; 14.10 -- Dimensions
0.45 -- Block coefficient
1912 -- Year laid down
27.00 / 6000 / 10.00; Turbine, coal fired -- Speed / radius / cruise

50 tons -- Miscellaneous weights

++++++++++

8 x 4.13; 0 -- Main battery; turrets
Central positioning of guns
Gun-shields:
4 x 3.46; 0 -- Secondary battery; turrets
Main deck battery:
2 x 1.46 -- Tertiary (QF/AA) battery
Gun-shields :
4 x 0.59 -- Fourth (light) battery
4 / 0 / 17.72 -- TT / submerged / size

++++++++++

2.95 / 2.95 / 0.00 / 0.00; 100 -- Belt armor; relative extent
1.57 / 3.94 -- Deck / CT
0.98 / 0.98 / 0.79 / 0.59 -- Battery armor

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

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


as rebuilt 1926

Length, 129.9 m x Beam, 14.0 m x Depth, 5.2 m
4290 tonnes normal displacement (3899 tonnes standard)

Main battery: 6 x 15.0-cm
Secondary battery: 4 x 10.5-cm
AA battery: 4 x 3.5-cm
Light battery: 2 x 1.5-cm

Weight of broadside: 348 kg

6 TT, 55.0 cm

Main belt, 7.5 cm; ends unarmored
Armor deck, average 4.0 cm
Conning tower, 10.0 cm

Battery armor:
Main, 7.5 cm shields / secondary, 4.0 cm shields
AA, 2.0 cm shields / light guns, 2.0 cm shields

Maximum speed for 29003 shaft kw = 29.15 knots
Approximate cruising radius, 8000 nm / 12 knots

Typical complement: 265-345

Estimated cost, $5.329 million (£1.332 million)

Remarks:

Relative extent of belt armor, 114 percent of 'typical' coverage.

Magazines and engineering spaces are cramped, with poor watertight subdivision.

Distribution of weights:

Percent
normal
displacement:
Armament ......................... 96 tonnes = 2 pct
Armor, total ..................... 716 tonnes = 17 pct
Belt 313 tonnes = 7 pct
Deck 334 tonnes= 8 pct
C.T. 22 tonnes = 1 pct
Armament 46 tonnes = 1 pct
Machinery ........................ 1244 tonnes = 29 pct
Hull and fittings; equipment ..... 1644 tonnes = 38 pct
Fuel, ammunition, stores ......... 541 tonnes = 13 pct
Miscellaneous weights ............ 50 tonnes = 1 pct
-----
4290 tonnes = 100 pct

Estimated metacentric height, 0.6 m

Displacement summary:
Light ship: 3749 tonnes
Standard displacement: 3899 tonnes
Normal service: 4290 tonnes
Full load: 4587 tonnes

Loading submergence 1074 tonnes/metre

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


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.12
Shellfire needed to sink: 1773 kg = 37.9 x 15.0-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, 66 percent (50 percent is 'average')

Relative rocking effect from firing to beam, 0.24

Relative quality as a seaboat: 1.02

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


Hull form characteristics:

Block coefficient: 0.45
Sharpness coefficient: 0.32
Hull speed coefficient 'M' = 8.02
'Natural speed' for length = 20.6 knots
Power going to wave formation at top speed: 59 percent

Estimated hull characteristics and strength:

Relative underwater volume absorbed by magazines and engineering spaces: 113 percent

Relative accommodation and working space: 98 percent

Displacement factor: 107 percent
(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.97 (Structure weight per square metre of hull surface: 394 kg)

Relative longitudinal hull strength: 1.79 (for 4.70 m average freeboard; freeboard adjustment +0.80 m)

Relative composite hull strength: 1.03

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

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

426.07 x 45.92 x 17.06; 15.42 -- Dimensions
0.45 -- Block coefficient
1926 -- Year laid down
29.15 / 8000 / 12.00; Oil-fired turbine or equivalent --
Speed / radius / cruise

50 tons -- Miscellaneous weights

++++++++++

6 x 5.91; 0 -- Main battery; turrets
Central positioning of guns
Gun-shields :
4 x 4.13; 0 -- Secondary battery; turrets
Gun-shields :
4 x 1.38 -- Tertiary (QF/AA) battery
Gun-shields :
2 x 0.59 -- Fourth (light) battery
6 / 0 / 21.65 -- TT / submerged / size

++++++++++

2.95 / 0.00 / 0.00 / 0.00; 114 -- Belt armor; relative extent
1.57 / 3.94 -- Deck / CT
2.95 / 1.57 / 0.79 / 0.79 -- Battery armor

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

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


as refitted

Displacement:
3,533 t light; 3,689 t standard; 4,264 t normal; 4,724 t full load

Dimensions:
Length overall / water x beam x draught
440.35 ft / 423.23 ft x 45.93 ft x 17.06 ft (normal load)
134.22 m / 129.00 m x 14.00 m x 5.20 m

Armament:
6 - 5.00" / 127 mm guns (3x2 guns), 62.50lbs / 28.35kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority forward
16 - 1.46" / 37.0 mm guns (4x4 guns), 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts with hoists
on side, all amidships
16 - 0.79" / 20.0 mm guns (8x2 guns), 0.24lbs / 0.11kg shells, 1934 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 404 lbs / 183 kg
Shells per gun, main battery: 300
10 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.95" / 75 mm 1.57" / 40 mm 1.57" / 40 mm
2nd: 0.79" / 20 mm 0.79" / 20 mm 0.79" / 20 mm
3rd: 0.79" / 20 mm 0.79" / 20 mm -

- Armour deck: 1.57" / 40 mm, Conning tower: 3.94" / 100 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 38,023 shp / 28,365 Kw = 29.00 kts
Range 12,000nm at 12.00 kts
Bunker at max displacement = 1,036 tons

Complement:
263 - 342

Cost:
£0.612 million / $2.447 million

Distribution of weights at normal displacement:
Armament: 50 tons, 1.2 %
Armour: 438 tons, 10.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 54 tons, 1.3 %
- Armour Deck: 361 tons, 8.5 %
- Conning Tower: 22 tons, 0.5 %
Machinery: 1,217 tons, 28.5 %
Hull, fittings & equipment: 1,627 tons, 38.2 %
Fuel, ammunition & stores: 732 tons, 17.2 %
Miscellaneous weights: 200 tons, 4.7 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4,800 lbs / 2,177 Kg = 76.8 x 5.0 " / 127 mm shells or 1.0 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 2.2 ft / 0.7 m
Roll period: 13.0 seconds
Steadiness - As gun platform (Average = 50 %): 64 %
- Recoil effect (Restricted arc if above 1.00): 0.24
Seaboat quality (Average = 1.00): 1.28

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.450
Length to Beam Ratio: 9.21 : 1
'Natural speed' for length: 20.57 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.64 ft / 6.90 m
- Forecastle (20 %): 16.73 ft / 5.10 m
- Mid (50 %): 16.73 ft / 5.10 m
- Quarterdeck (15 %): 16.73 ft / 5.10 m
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 17.18 ft / 5.24 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 108.0 %
- Above water (accommodation/working, high = better): 97.0 %
Waterplane Area: 12,400 Square feet or 1,152 Square metres
Displacement factor (Displacement / loading): 123 %
Structure weight / hull surface area: 73 lbs/sq ft or 358 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.92
- Longitudinal: 2.28
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Good seaboat, rides out heavy weather easily

Breakdown of Miscellaneous Weight:
- 25 tons for catapult
- 25 tons for aircraft
- 25 tons for sonar
- 25 tons for radar
- 25 tons for degaussing system
- 75 tons for crew comfort



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

Ships in Class:
HICMS Jeye; laid down 1917, rebuilt 1926, refitted 1937
HICMS Taitung; laid down 1917, rebuilt 1926, refitted 1937

5

Wednesday, September 28th 2016, 11:59am

Xuli - Class (ex Bharat Chennai Cruiser)

Xuli - Class (ex Bharat Chennai Cruiser)
Escort Cruiser

as laid down

Length, 129.9 m x Beam, 14.0 m x Depth, 5.5 m
4535 tonnes normal displacement (4136 tonnes standard)

Main battery: 4 x 15.0-cm
Secondary battery: 4 x 10.5-cm
AA battery: 4 x 3.5-cm
Light battery: 16 x 1.5-cm

Weight of broadside: 255 kg

Main belt, 7.5 cm; full length
Armor deck, average 4.0 cm
Conning tower, 10.0 cm

Battery armor:
Main, 5.0 cm shields / secondary, 2.5 cm shields
AA, 2.0 cm shields / light guns, 2.0 cm shields

Maximum speed for 10991 shaft kw = 22.61 knots
Approximate cruising radius, 8000 nm / 12 knots

Typical complement: 276-359

Estimated cost, $3.838 million (£959,000)

Remarks:

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

Good seaboat; rides out heavy weather easily.

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

Distribution of weights:
Percent
normal
displacement:

Armament ......................... 70 tonnes = 2 pct
Armor, total ..................... 791 tonnes = 17 pct

Belt 407 tonnes = 9 pct
Deck 334 tonnes = 7 pct
C.T. 23 tonnes = 1 pct
Armament 26 tonnes = 1 pct

Machinery ........................ 465 tonnes = 10 pct
Hull and fittings; equipment ..... 2647 tonnes = 58 pct
Fuel, ammunition, stores ......... 537 tonnes = 12 pct
Miscellaneous weights ............ 25 tonnes = 1 pct
-----
4535 tonnes = 100 pct

Estimated metacentric height, 0.6 m

Displacement summary:

Light ship: 3998 tonnes
Standard displacement: 4136 tonnes
Normal service: 4535 tonnes
Full load: 4837 tonnes

Loading submergence 1076 tonnes/metre

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

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.14

Shellfire needed to sink: 4734 kg = 101.1 x 15.0-cm shells (Approximates weight of penetrating shell hits needed to sink ship, not counting critical hits)

Torpedoes needed to sink: 2.7 (Approximates number of 'typical' torpedo hits needed to sink ship)

Relative steadiness as gun platform, 72 percent (50 percent is 'average')

Relative rocking effect from firing to beam, 0.16

Relative quality as a seaboat: 1.44

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

Hull form characteristics:

Block coefficient: 0.45
Sharpness coefficient: 0.32
Hull speed coefficient 'M' = 7.87
'Natural speed' for length = 20.6 knots
Power going to wave formation at top speed: 45 percent

Estimated hull characteristics and strength:

Relative underwater volume absorbed by magazines and engineering spaces: 47 percent

Relative accommodation and working space: 112 percent

Displacement factor: 197 percent
(Displacement relative to loading factors)

Relative cross-sectional hull strength: 1.75
(Structure weight per square metre of hull surface: 641 kg)

Relative longitudinal hull strength: 2.55
(for 4.30 m average freeboard; freeboard adjustment +0.36 m)

Relative composite hull strength: 1.82

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

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

426.00 x 46.00 x 18.00; 14.10 -- Dimensions
0.45 -- Block coefficient
1927 -- Year laid down
22.61 / 8000 / 12.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
25 tons -- Miscellaneous weights
++++++++++
4 x 5.91; 0 -- Main battery; turrets Central positioning of guns
Gun-shields :
4 x 4.13; 0 -- Secondary battery; turrets
Gun-shields :
4 x 1.38 -- Tertiary (QF/AA) battery
Gun-shields :
16 x 0.59 -- Fourth (light) battery
0 -- No torpedo armament
++++++++++
2.95 / 2.95 / 0.00 / 0.00; 100 -- Belt armor; relative extent
1.57 / 3.94 -- Deck / CT
1.97 / 0.98 / 0.79 / 0.79 -- Battery armor

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

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


as refitted

Displacement:
3.931 t light; 4.139 t standard; 4.542 t normal; 4.864 t full load

Dimensions:
Length overall / water x beam x draught
432,33 ft / 426,18 ft x 45,93 ft x 18,04 ft (normal load)
131,78 m / 129,90 m x 14,00 m x 5,50 m

Armament:
4 - 5,91" / 150 mm guns (2x2 guns), 102,98lbs / 46,71kg shells, 1927 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
4 - 4,13" / 105 mm guns (2x2 guns), 35,32lbs / 16,02kg shells, 1927 Model
Breech loading guns in deck mounts
on centreline, evenly spread, all raised mounts
4 - 1,38" / 35,0 mm guns in single mounts, 1,31lbs / 0,59kg shells, 1927 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
16 - 0,59" / 15,0 mm guns (4x4 guns), 0,10lbs / 0,05kg shells, 1927 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 560 lbs / 254 kg
Shells per gun, main battery: 350

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2,95" / 75 mm 277,03 ft / 84,44 m 8,14 ft / 2,48 m
Ends: Unarmoured
Main Belt covers 100% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,97" / 50 mm - -
2nd: 0,98" / 25 mm - -
3rd: 0,79" / 20 mm - -
4th: 0,79" / 20 mm - -

- Armour deck: 1,57" / 40 mm, Conning tower: 3,94" / 100 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 14.726 shp / 10.986 Kw = 22,61 kts
Range 8.000nm at 12,00 kts
Bunker at max displacement = 725 tons

Complement:
276 - 359

Cost:
£0,951 million / $3,803 million

Distribution of weights at normal displacement:
Armament: 70 tons, 1,5%
Armour: 680 tons, 15,0%
- Belts: 278 tons, 6,1%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 32 tons, 0,7%
- Armour Deck: 347 tons, 7,6%
- Conning Tower: 23 tons, 0,5%
Machinery: 465 tons, 10,2%
Hull, fittings & equipment: 2.691 tons, 59,3%
Fuel, ammunition & stores: 610 tons, 13,4%
Miscellaneous weights: 25 tons, 0,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
10.439 lbs / 4.735 Kg = 101,4 x 5,9 " / 150 mm shells or 2,6 torpedoes
Stability (Unstable if below 1.00): 1,18
Metacentric height 2,1 ft / 0,6 m
Roll period: 13,2 seconds
Steadiness - As gun platform (Average = 50 %): 82 %
- Recoil effect (Restricted arc if above 1.00): 0,18
Seaboat quality (Average = 1.00): 1,63

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,450
Length to Beam Ratio: 9,28 : 1
'Natural speed' for length: 20,64 kts
Power going to wave formation at top speed: 45 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 15,00 degrees
Stern overhang: -3,94 ft / -1,20 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22,97 ft / 7,00 m
- Forecastle (18%): 14,11 ft / 4,30 m
- Mid (50%): 14,11 ft / 4,30 m
- Quarterdeck (18%): 14,11 ft / 4,30 m
- Stern: 14,11 ft / 4,30 m
- Average freeboard: 14,73 ft / 4,49 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 48,6%
- Above water (accommodation/working, high = better): 115,8%
Waterplane Area: 11.897 Square feet or 1.105 Square metres
Displacement factor (Displacement / loading): 207%
Structure weight / hull surface area: 130 lbs/sq ft or 635 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,84
- Longitudinal: 2,97
- Overall: 1,93
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather



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


Ships in Class:
HICMS Xuli; laid down 1917, refitted 1926

6

Wednesday, September 28th 2016, 1:34pm

Xia - Class

Xia - Class
Anti Aircraft Cruiser

Displacement:
7.814 t light; 8.179 t standard; 9.097 t normal; 9.831 t full load

Dimensions:
Length overall / water x beam x draught
564,31 ft / 551,18 ft x 56,43 ft x 19,69 ft (normal load)
172,00 m / 168,00 m x 17,20 m x 6,00 m

Armament:
12 - 5,31" / 135 mm guns (6x2 guns), 75,07lbs / 34,05kg shells, 1936 Model
Dual purpose guns in turrets (on barbettes)
on centreline ends, evenly spread, 4 raised mounts - superfiring
12 - 4,13" / 105 mm guns (6x2 guns), 35,32lbs / 16,02kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, all amidships, 2 raised mounts - superfiring
16 - 1,57" / 40,0 mm guns (6 mounts), 1,95lbs / 0,88kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
24 - 0,79" / 20,0 mm guns (4x6 guns), 0,24lbs / 0,11kg shells, 1936 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
12 - 0,79" / 20,0 mm guns (6x2 guns), 0,24lbs / 0,11kg shells, 1936 Model
Machine guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 1.365 lbs / 619 kg
Shells per gun, main battery: 220

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3,15" / 80 mm 393,70 ft / 120,00 m 11,48 ft / 3,50 m
Ends: Unarmoured
Main Belt covers 110% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,77" / 45 mm 1,38" / 35 mm 2,36" / 60 mm
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -
5th: 0,39" / 10 mm - -

- Armour deck: 1,57" / 40 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 93.834 shp / 70.000 Kw = 34,21 kts
Range 8.400nm at 15,00 kts
Bunker at max displacement = 1.652 tons

Complement:
465 - 605

Cost:
£4,141 million / $16,564 million

Distribution of weights at normal displacement:
Armament: 171 tons, 1,9%
Armour: 1.452 tons, 16,0%
- Belts: 586 tons, 6,4%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 227 tons, 2,5%
- Armour Deck: 640 tons, 7,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 2.633 tons, 28,9%
Hull, fittings & equipment: 3.528 tons, 38,8%
Fuel, ammunition & stores: 1.283 tons, 14,1%
Miscellaneous weights: 30 tons, 0,3%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
9.308 lbs / 4.222 Kg = 124,0 x 5,3 " / 135 mm shells or 1,3 torpedoes
Stability (Unstable if below 1.00): 1,06
Metacentric height 2,4 ft / 0,7 m
Roll period: 15,4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,56
Seaboat quality (Average = 1.00): 1,01

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0,520
Length to Beam Ratio: 9,77 : 1
'Natural speed' for length: 26,78 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 2,62 ft / 0,80 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28,87 ft / 8,80 m
- Forecastle (25%): 23,95 ft / 7,30 m
- Mid (59%): 23,95 ft / 7,30 m (15,75 ft / 4,80 m aft of break)
- Quarterdeck (15%): 15,75 ft / 4,80 m
- Stern: 15,75 ft / 4,80 m
- Average freeboard: 21,08 ft / 6,43 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 109,8%
- Above water (accommodation/working, high = better): 183,5%
Waterplane Area: 21.960 Square feet or 2.040 Square metres
Displacement factor (Displacement / loading): 112%
Structure weight / hull surface area: 96 lbs/sq ft or 467 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,93
- Longitudinal: 1,82
- 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

Breakdown of Miscellaneous Weight:
- 30 tons for radar equipment



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


Ships in Class:
HICMS Xia; laid down 1937
HICMS Yaofeng; laid down 1946
HICMS Suhitou; laid down 1946

7

Wednesday, October 5th 2016, 10:33am

Zhonglu - Class (ex-SAE Santa Fé Cruiser)

Zhonglu - Class (ex-SAE Santa Fé Cruiser)
Escort Cruiser

as laid down

Displacement:
4.450 t light; 4.641 t standard; 5.200 t normal; 5.648 t full load

Dimensions:
Length overall / water x beam x draught
456,04 ft / 452,76 ft x 47,24 ft x 18,70 ft (normal load)
139,00 m / 138,00 m x 14,40 m x 5,70 m

Armament:
8 - 5,91" / 150 mm guns in single mounts, 102,98lbs / 46,71kg shells, 1916 Model
Breech loading guns in deck mounts
on centreline, evenly spread, 2 raised mounts
8 - 3,46" / 88,0 mm guns in single mounts, 20,79lbs / 9,43kg shells, 1916 Model
Breech loading guns in deck mounts
on side, all amidships
Weight of broadside 990 lbs / 449 kg
Shells per gun, main battery: 150
4 - 21,0" / 533 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2,76" / 70 mm 375,98 ft / 114,60 m 9,19 ft / 2,80 m
Ends: Unarmoured
Upper: 1,57" / 40 mm 295,28 ft / 90,00 m 4,92 ft / 1,50 m
Main Belt covers 128% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,59" / 15 mm -
2nd: 0,79" / 20 mm 0,59" / 15 mm -

- Armour deck: 1,18" / 30 mm, Conning tower: 3,15" / 80 mm

Machinery:
Coal and oil fired boilers, steam turbines,
Geared drive, 2 shafts, 45.576 shp / 34.000 Kw = 29,65 kts
Range 11.000nm at 10,00 kts
Bunker at max displacement = 1.007 tons (35% coal)

Complement:
306 - 398

Cost:
£0,827 million / $3,307 million

Distribution of weights at normal displacement:
Armament: 124 tons, 2,4%
Armour: 843 tons, 16,2%
- Belts: 477 tons, 9,2%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 46 tons, 0,9%
- Armour Deck: 299 tons, 5,8%
- Conning Tower: 20 tons, 0,4%
Machinery: 1.754 tons, 33,7%
Hull, fittings & equipment: 1.730 tons, 33,3%
Fuel, ammunition & stores: 750 tons, 14,4%
Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
3.717 lbs / 1.686 Kg = 36,1 x 5,9 " / 150 mm shells or 0,8 torpedoes
Stability (Unstable if below 1.00): 1,30
Metacentric height 2,6 ft / 0,8 m
Roll period: 12,3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,22
Seaboat quality (Average = 1.00): 1,09

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,455
Length to Beam Ratio: 9,58 : 1
'Natural speed' for length: 21,28 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 64
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 3,28 ft / 1,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21,33 ft / 6,50 m
- Forecastle (30%): 20,34 ft / 6,20 m
- Mid (40%): 20,34 ft / 6,20 m (12,47 ft / 3,80 m aft of break)
- Quarterdeck (15%): 12,47 ft / 3,80 m
- Stern: 12,47 ft / 3,80 m
- Average freeboard: 15,73 ft / 4,80 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 127,7%
- Above water (accommodation/working, high = better): 103,3%
Waterplane Area: 13.700 Square feet or 1.273 Square metres
Displacement factor (Displacement / loading): 97%
Structure weight / hull surface area: 74 lbs/sq ft or 363 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,95
- Longitudinal: 1,63
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform



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


after modernisation 1929

Displacement:
4.598 t light; 4.812 t standard; 5.351 t normal; 5.782 t full load

Dimensions:
Length overall / water x beam x draught
477,81 ft / 465,88 ft x 47,24 ft x 18,70 ft (normal load)
145,64 m / 142,00 m x 14,40 m x 5,70 m

Armament:
8 - 5,91" / 150 mm guns (4x2 guns), 102,98lbs / 46,71kg shells, 1916 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 3,46" / 88,0 mm guns (4x2 guns), 20,79lbs / 9,43kg shells, 1916 Model
Breech loading guns in deck mounts
on side, all amidships
8 - 1,57" / 40,0 mm guns (4x2 guns), 1,95lbs / 0,88kg shells, 1924 Model
Breech loading guns in deck mounts
on side, evenly spread
8 - 0,79" / 20,0 mm guns (4x2 guns), 0,24lbs / 0,11kg shells, 1924 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 1.008 lbs / 457 kg
Shells per gun, main battery: 180
6 - 21,0" / 533 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2,36" / 60 mm 435,04 ft / 132,60 m 9,19 ft / 2,80 m
Ends: Unarmoured
Upper: 1,38" / 35 mm 295,28 ft / 90,00 m 8,04 ft / 2,45 m
Main Belt covers 144% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,59" / 15 mm -
2nd: 0,79" / 20 mm - -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

- Armour deck: 1,38" / 35 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 67.024 shp / 50.000 Kw = 32,55 kts
Range 6.000nm at 15,00 kts
Bunker at max displacement = 971 tons

Complement:
312 - 406

Cost:
£0,908 million / $3,632 million

Distribution of weights at normal displacement:
Armament: 126 tons, 2,4%
Armour: 907 tons, 17,0%
- Belts: 506 tons, 9,5%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 41 tons, 0,8%
- Armour Deck: 359 tons, 6,7%
- Conning Tower: 0 tons, 0,0%
Machinery: 2.058 tons, 38,5%
Hull, fittings & equipment: 1.476 tons, 27,6%
Fuel, ammunition & stores: 753 tons, 14,1%
Miscellaneous weights: 30 tons, 0,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2.385 lbs / 1.082 Kg = 23,2 x 5,9 " / 150 mm shells or 0,6 torpedoes
Stability (Unstable if below 1.00): 1,27
Metacentric height 2,5 ft / 0,8 m
Roll period: 12,5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,25
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,455
Length to Beam Ratio: 9,86 : 1
'Natural speed' for length: 21,58 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 25,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25,59 ft / 7,80 m
- Forecastle (30%): 21,00 ft / 6,40 m
- Mid (42%): 20,34 ft / 6,20 m (12,47 ft / 3,80 m aft of break)
- Quarterdeck (15%): 12,47 ft / 3,80 m
- Stern: 12,47 ft / 3,80 m
- Average freeboard: 16,56 ft / 5,05 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 143,7%
- Above water (accommodation/working, high = better): 99,7%
Waterplane Area: 14.097 Square feet or 1.310 Square metres
Displacement factor (Displacement / loading): 88%
Structure weight / hull surface area: 60 lbs/sq ft or 293 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,74
- Longitudinal: 1,39
- Overall: 0,79
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform

Comments:
The ships got a life-extension refit in 1943 before they were purchased by the ICN.

Breakdown of Miscellaneous Weight:
- 15 tons for spare torpedos
- 15 tons for degaussing system



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


Ships in Class:
HICMS Tongtou; laid down 1916, rebuild 1929, refit 1943
HICMS Zhonglu; laid down 1916, rebuild 1929, refit 1943