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1

Monday, September 26th 2016, 11:26am

His Imperial Chinese Navy - Torpedoboats (TB-XX)

Repository for data pertaining to the subject

2

Monday, September 26th 2016, 11:41am

Index of Class and Vessels

Huangfen-Class:
HICMS Huangfen 600 ( TB-01 ) - Active
HICMS Huangfen 601 ( TB-02 ) - Active
HICMS Huangfen 602 ( TB-03 ) - Active
HICMS Huangfen 603 ( TB-04 ) - Active
HICMS Huangfen 604 ( TB-05 ) - Active
HICMS Huangfen 605 ( TB-06 ) - Active
HICMS Huangfen 606 ( TB-07 ) - Active


Huangfen II-Class:
HICMS Huangfen 610 ( TB-08 ) - Active
HICMS Huangfen 611 ( TB-09 ) - Active
HICMS Huangfen 612 ( TB-10 ) - Active


Shijiazhuang - Class (ex Persia Vendidad):
HICMS Shijiazhuang ( TB-11 ) - Active


Yú - Class (ex Bulgarian Slivnitsa - Class):
HICMS Zunyú ( TB-12 ) - Active
HICMS Gouyú ( TB-13 ) - Active
HICMS Liyú ( TB-14 ) - Active
HICMS Dàmahayú ( TB-15 ) - Active
HICMS Guìyú ( TB-16 ) - sunk Sino / Chosen War
HICMS Nián ( TB-17 ) - Active
HICMS Yúta ( TB-18 ) - Active
HICMS Táiyú ( TB-19 ) - Active


Luhan - Class (ex Filipino Ajo-class):
HICMS Luhan-01 ( TB-20 ) - Active
HICMS Luhan-02 ( TB-21 ) - Active
HICMS Luhan-03 ( TB-22 ) - Active


Xigaze - Class (ex German T-13 - Class):
HICMS Xigaze ( TB-23 ) - Active
HICMS Bainang ( TB-24 ) - Active
HICMS Nyalam ( TB-25 ) - Active
HICMS Saga ( TB-26 ) - Active
HICMS Gamba ( TB-27 ) - Active
HICMS Burang ( TB-28 ) - Active
HICMS Rutog ( TB-29 ) - Active
HICMS Cona ( TB-30 ) - Active


Huangfen III - Class:
HICMS Huangfen 620 ( TB-31 ) - Active
HICMS Huangfen 621 ( TB-32 ) - Active
HICMS Huangfen 622 ( TB-33 ) - Active
HICMS Huangfen 623 ( TB-34 ) - Active
HICMS Huangfen 624 ( TB-35 ) - Active
HICMS Huangfen 625 ( TB-36 ) - Active


Luhu - Class (ex Peruvian Ancon-Class):
HICMS Luhu-1 ( TB-37 ) - Active
HICMS Luhu-2 ( TB-38 ) - Active
HICMS Luhu-3 ( TB-39 ) - Active
HICMS Luhu-4 ( TB-40 ) - Active
HICMS Luhu-5 ( TB-41 ) - Active
HICMS Luhu-6 ( TB-42 ) - Active
HICMS Luhu-7 ( TB-43 ) - Active
HICMS Luhu-8 ( TB-44 ) - Active

3

Monday, September 26th 2016, 11:45am

Huangfen - Class

Huangfen - Class
Torpedoboat

Displacement:
837 t light; 859 t standard; 889 t normal; 913 t full load

Dimensions:
Length overall / water x beam x draught
235,47 ft / 229,49 ft x 22,80 ft x 12,14 ft (normal load)
71,77 m / 69,95 m x 6,95 m x 3,70 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1925 Model
Breech loading gun in deck mount
on centreline aft
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1925 Model
Machine guns in deck mounts
on centreline ends, evenly spread, all raised mounts - superfiring
6 - 0,31" / 7,9 mm guns in single mounts, 0,02lbs / 0,01kg shells, 1925 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 36 lbs / 16 kg
Shells per gun, main battery: 200
6 - 18,0" / 457,2 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,59" / 15 mm - -
2nd: 0,16" / 4 mm - -
- Conning tower: 1,38" / 35 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 17.456 shp / 13.022 Kw = 29,30 kts
Range 1.800nm at 11,00 kts
Bunker at max displacement = 54 tons

Complement:
80 - 105

Cost:
£0,315 million / $1,260 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0,5%
Armour: 4 tons, 0,5%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 1 tons, 0,2%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 3 tons, 0,3%
Machinery: 451 tons, 50,7%
Hull, fittings & equipment: 377 tons, 42,4%
Fuel, ammunition & stores: 52 tons, 5,9%
Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
402 lbs / 182 Kg = 11,4 x 4,1 " / 105 mm shells or 0,2 torpedoes
Stability (Unstable if below 1.00): 1,01
Metacentric height 0,6 ft / 0,2 m
Roll period: 12,9 seconds
Steadiness - As gun platform (Average = 50 %): 57 %
- Recoil effect (Restricted arc if above 1.00): 0,14
Seaboat quality (Average = 1.00): 1,04

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0,490
Length to Beam Ratio: 10,06 : 1
'Natural speed' for length: 17,30 kts
Power going to wave formation at top speed: 73 %
Trim (Max stability = 0, Max steadiness = 100): 55
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: 16,40 ft / 5,00 m
- Forecastle (18%): 13,45 ft / 4,10 m
- Mid (50%): 13,45 ft / 4,10 m
- Quarterdeck (18%): 13,45 ft / 4,10 m
- Stern: 13,45 ft / 4,10 m
- Average freeboard: 13,66 ft / 4,16 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 168,0%
- Above water (accommodation/working, high = better): 48,3%
Waterplane Area: 3.592 Square feet or 334 Square metres
Displacement factor (Displacement / loading): 76%
Structure weight / hull surface area: 38 lbs/sq ft or 186 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,78
- Longitudinal: 9,22
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor




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


Ships in Class:
HICMS Huangfen 600; laid down 1925
HICMS Huangfen 601; laid down 1925
HICMS Huangfen 602; laid down 1928
HICMS Huangfen 603; laid down 1928
HICMS Huangfen 604; laid down 1930
HICMS Huangfen 605; laid down 1930
HICMS Huangfen 606; laid down 1932

4

Monday, September 26th 2016, 11:55am

Huangfen II - Class

Huangfen II - Class
Torpedoboat

Displacement:
1.167 t light; 1.207 t standard; 1.356 t normal; 1.475 t full load

Dimensions:
Length overall / water x beam x draught
325,76 ft / 318,24 ft x 33,46 ft x 11,48 ft (normal load)
99,29 m / 97,00 m x 10,20 m x 3,50 m

Armament:
4 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1935 Model
Dual purpose guns in deck mounts with hoists
on centreline, 3 aft, 1 front , 2 raised mounts - superfiring
4 - 1,46" / 37,0 mm guns (2x2 guns), 1,55lbs / 0,70kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
8 - 0,79" / 20,0 mm guns (4x2 guns), 0,24lbs / 0,11kg shells, 1935 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 149 lbs / 68 kg
Shells per gun, main battery: 150
6 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm 0,98" / 25 mm -
2nd: 0,39" / 10 mm - -

- Conning tower: 0,98" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 26.556 shp / 19.811 Kw = 32,30 kts
Range 2.400nm at 19,00 kts
Bunker at max displacement = 268 tons

Complement:
111 - 145

Cost:
£0,739 million / $2,956 million

Distribution of weights at normal displacement:
Armament: 19 tons, 1,4%
Armour: 16 tons, 1,1%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 13 tons, 1,0%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 3 tons, 0,2%
Machinery: 633 tons, 46,7%
Hull, fittings & equipment: 449 tons, 33,1%
Fuel, ammunition & stores: 189 tons, 13,9%
Miscellaneous weights: 50 tons, 3,7%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
475 lbs / 216 Kg = 13,5 x 4,1 " / 105 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,19
Metacentric height 1,3 ft / 0,4 m
Roll period: 12,2 seconds
Steadiness - As gun platform (Average = 50 %): 80 %
- Recoil effect (Restricted arc if above 1.00): 0,47
Seaboat quality (Average = 1.00): 1,60

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0,388
Length to Beam Ratio: 9,51 : 1
'Natural speed' for length: 20,76 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 17,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24,61 ft / 7,50 m
- Forecastle (20%): 23,62 ft / 7,20 m
- Mid (40%): 23,62 ft / 7,20 m (14,76 ft / 4,50 m aft of break)
- Quarterdeck (15%): 14,76 ft / 4,50 m
- Stern: 14,76 ft / 4,50 m
- Average freeboard: 18,39 ft / 5,60 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 165,5%
- Above water (accommodation/working, high = better): 124,2%
Waterplane Area: 6.760 Square feet or 628 Square metres
Displacement factor (Displacement / loading): 79%
Structure weight / hull surface area: 28 lbs/sq ft or 135 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,40
- Longitudinal: 4,54
- Overall: 0,50
Hull space for machinery, storage, compartmentation is cramped
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:
- 10 tons for radar
- 20 tons for spare torpedoes
- 20 tons for degaussing system



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


Ships in Class:
HICMS Huangfen 610; laid down 1936
HICMS Huangfen 611; laid down 1936
HICMS Huangfen 612; laid down 1936

5

Monday, September 26th 2016, 12:08pm

Shijiazhuang - Class (ex Persia Vendidad - Class)

Shijiazhuang - Class (ex Persia Vendidad - Class)
Torpedoboat

Displacement:
1,993 t light; 2,071 t standard; 2,148 t normal; 2,210 t full load

Dimensions:
Length overall / water x beam x draught
394.41 ft / 390.00 ft x 37.80 ft x 12.00 ft (normal load)
120.22 m / 118.87 m x 11.52 m x 3.66 m

Armament:
6 - 3.00" / 76.2 mm guns (3x2 guns), 13.50lbs / 6.12kg shells, 1935 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.65lbs / 0.75kg shells, 1935 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
8 - 0.79" / 20.0 mm guns in single mounts, 0.27lbs / 0.12kg shells, 1935 Model
Machine guns in deck mounts
on side, all amidships, 4 raised mounts - superfiring
Weight of broadside 90 lbs / 41 kg
Shells per gun, main battery: 640
8 - 18.0" / 457.2 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm 0.50" / 13 mm -
2nd: 0.50" / 13 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 61,264 shp / 45,703 Kw = 37.50 kts
Range 1,505nm at 15.00 kts
Bunker at max displacement = 139 tons

Complement:
157 - 205

Cost:
£1.328 million / $5.312 million

Distribution of weights at normal displacement:
Armament: 11 tons, 0.5 %
Armour: 8 tons, 0.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 8 tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,298 tons, 60.4 %
Hull, fittings & equipment: 662 tons, 30.8 %
Fuel, ammunition & stores: 155 tons, 7.2 %
Miscellaneous weights: 15 tons, 0.7 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
476 lbs / 216 Kg = 35.2 x 3.0 " / 76 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.25
Metacentric height 1.7 ft / 0.5 m
Roll period: 12.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.11
Seaboat quality (Average = 1.00): 0.97

Hull form characteristics:
Hull has raised forecastle, rise forward of midbreak
and transom stern
Block coefficient: 0.425
Length to Beam Ratio: 10.32 : 1
'Natural speed' for length: 22.70 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 72
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: 25.00 ft / 7.62 m
- Forecastle (40 %): 21.00 ft / 6.40 m (20.00 ft / 6.10 m aft of break)
- Mid (40 %): 20.00 ft / 6.10 m (14.00 ft / 4.27 m aft of break)
- Quarterdeck (10 %): 14.00 ft / 4.27 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 17.44 ft / 5.32 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 201.0 %
- Above water (accommodation/working, high = better): 118.0 %
Waterplane Area: 9,576 Square feet or 890 Square metres
Displacement factor (Displacement / loading): 60 %
Structure weight / hull surface area: 35 lbs/sq ft or 170 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.16
- Overall: 0.57
Hull space for machinery, storage, compartmentation is extremely poor
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

Breakdown of Miscellaneous Weight:
- 15 tons for spare torpedoes



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


Ships in Class:
HICMS Shijiazhuang; laid down 1935

6

Monday, September 26th 2016, 12:17pm

Yú - Class (ex Bulgarian Slivnitsa - Class)

Yú - Class (ex Bulgarian Slivnitsa - Class)
Torpedoboat

Displacement:
607 t light; 627 t standard; 678 t normal; 719 t full load

Dimensions:
Length overall / water x beam x draught
268.93 ft / 262.47 ft x 22.97 ft x 9.84 ft (normal load)
81.97 m / 80.00 m x 7.00 m x 3.00 m

Armament:
2 - 3.94" / 100 mm guns in single mounts, 30.51lbs / 13.84kg shells, 1930 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread, 1 raised mount
2 - 0.79" / 20.0 mm guns (1x2 guns), 0.24lbs / 0.11kg shells, 1930 Model
Anti-aircraft guns in deck mount
on side
Weight of broadside 62 lbs / 28 kg
Shells per gun, main battery: 200
6 - 17.7" / 450 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.79" / 20 mm - -
3rd: 0.39" / 10 mm - -
- Conning tower: 0.79" / 20 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 20,000 shp / 14,920 Kw = 32.68 kts
Range 2,000nm at 15.00 kts
Bunker at max displacement = 92 tons

Complement:
66 - 86

Cost:
£0.313 million / $1.252 million

Distribution of weights at normal displacement:
Armament: 8 tons, 1.1 %
Armour: 5 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 3 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 1 tons, 0.2 %
Machinery: 337 tons, 49.7 %
Hull, fittings & equipment: 198 tons, 29.1 %
Fuel, ammunition & stores: 71 tons, 10.5 %
Miscellaneous weights: 60 tons, 8.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
161 lbs / 73 Kg = 5.3 x 3.9 " / 100 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 0.6 ft / 0.2 m
Roll period: 12.3 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.19
Seaboat quality (Average = 1.00): 0.79

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 11.43 : 1
'Natural speed' for length: 18.54 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 63
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18.04 ft / 5.50 m
- Forecastle (20 %): 16.40 ft / 5.00 m
- Mid (30 %): 16.40 ft / 5.00 m (8.20 ft / 2.50 m aft of break)
- Quarterdeck (15 %): 8.20 ft / 2.50 m
- Stern: 8.20 ft / 2.50 m
- Average freeboard: 10.79 ft / 3.29 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 178.8 %
- Above water (accommodation/working, high = better): 53.8 %
Waterplane Area: 3,851 Square feet or 358 Square metres
Displacement factor (Displacement / loading): 51 %
Structure weight / hull surface area: 24 lbs/sq ft or 116 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.24
- Overall: 0.58
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 for degaussing system
- 30 tons for spare torpedoes
- 10 tons storage

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


Ships in Class:
HICMS Zunyú; laid down 1931
HICMS Gouyú; laid down 1931
HICMS Liyú; laid down 1931
HICMS Dàmahayú; laid down 1931
HICMS Guìyú; laid down 1931
HICMS Nián; laid down 1931
HICMS Yúta; laid down 1931
HICMS Táiyú; laid down 1931

7

Monday, September 26th 2016, 12:36pm

Luhan - Class (ex Filipino Ajo-class)

Luhan - Class (ex Filipino Ajo-class)
Torpedoboat

as laid down:

Displacement:
600 t light; 615 t standard; 694 t normal; 758 t full load

Dimensions:
Length overall / water x beam x draught
237.76 ft / 235.00 ft x 23.50 ft x 11.00 ft (normal load)
72.47 m / 71.63 m x 7.16 m x 3.35 m

Armament:
1 - 3.00" / 76.2 mm guns in single mounts, 14.00lbs / 6.35kg shells, 1922 Model
Quick firing gun in a deck mount with a hoist
on centreline forward
2 - 1.57" / 40.0 mm guns (1x2 guns), 2.00lbs / 0.91kg shells, 1922 Model
Anti-aircraft guns in a deck mount
on centreline aft
2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1922 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring

Weight of broadside 18 lbs / 8 kg
Shells per gun, main battery: 150

8 - 18.0" / 457.2 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm - -
2nd: 0.50" / 13 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 10,403 shp / 7,760 Kw = 26.25 kts
Range 1,030nm at 21.00 kts (Bunkerage = 142 tons)

Complement:
9 officers and 68 men

Cost:
£0.192 million / $0.768 million

Distribution of weights at normal displacement:
Armament: 2 tons, 0.3 %
Armour: 2 tons, 0.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 2 tons, 0.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 340 tons, 49.0 %
Hull, fittings & equipment: 256 tons, 36.8 %
Fuel, ammunition & stores: 95 tons, 13.6 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
316 lbs / 143 Kg = 23.4 x 3.0 " / 76 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 0.7 ft / 0.2 m
Roll period: 11.6 seconds
Steadiness - As gun platform (Average = 50 %): 56 %
- Recoil effect (Restricted arc if above 1.00): 0.08
Seaboat quality (Average = 1.00): 1.06

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.400
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 15.33 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 53
Bow angle (Positive = bow angles forward): 12.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 13.00 ft / 3.96 m
- Forecastle (20 %): 10.00 ft / 3.05 m
- Mid (50 %): 10.00 ft / 3.05 m
- Quarterdeck (15 %): 10.00 ft / 3.05 m
- Stern: 10.00 ft / 3.05 m
- Average freeboard: 10.24 ft / 3.12 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 160.8 %
- Above water (accommodation/working, high = better): 26.2 %
Waterplane Area: 3,399 Square feet or 316 Square metres
Displacement factor (Displacement / loading): 96 %
Structure weight / hull surface area: 35 lbs/sq ft or 172 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.80
- Longitudinal: 3.33
- Overall: 0.92
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor



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


after 25% refit:

Displacement:
608 t light; 628 t standard; 694 t normal; 748 t full load

Dimensions:
Length overall / water x beam x draught
237,76 ft / 235,00 ft x 23,50 ft x 11,00 ft (normal load)
72,47 m / 71,63 m x 7,16 m x 3,35 m

Armament:
2 - 4,13" / 105 mm guns (1x2 guns), 35,32lbs / 16,02kg shells, 1940 Model
Breech loading guns in a deck mount with hoist
on centreline forward
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,89kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on side, all amidships
4 - 0,50" / 12,7 mm guns (2x2 guns), 0,06lbs / 0,03kg shells, 1922 Model
Machine guns in deck mounts
on side, evenly spread, 1 raised mount
Weight of broadside 79 lbs / 36 kg
Shells per gun, main battery: 120
8 - 21,8" / 553 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm - -
2nd: 0,51" / 13 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 10.403 shp / 7.760 Kw = 26,25 kts
Range 1.030nm at 21,00 kts
Bunker at max displacement = 120 tons

Complement:
66 - 87

Cost:
£0,187 million / $0,747 million

Distribution of weights at normal displacement:
Armament: 10 tons, 1,4%
Armour: 4 tons, 0,6%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 4 tons, 0,6%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 278 tons, 40,1%
Hull, fittings & equipment: 306 tons, 44,0%
Fuel, ammunition & stores: 86 tons, 12,4%
Miscellaneous weights: 10 tons, 1,4%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
331 lbs / 150 Kg = 9,4 x 4,1 " / 105 mm shells or 0,2 torpedoes
Stability (Unstable if below 1.00): 0,95
Metacentric height 0,5 ft / 0,2 m
Roll period: 13,8 seconds
Steadiness - As gun platform (Average = 50 %): 49 %
- Recoil effect (Restricted arc if above 1.00): 0,43
Seaboat quality (Average = 1.00): 0,97

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,400
Length to Beam Ratio: 10,00 : 1
'Natural speed' for length: 15,33 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 12,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 13,00 ft / 3,96 m
- Forecastle (20%): 10,00 ft / 3,05 m
- Mid (50%): 10,00 ft / 3,05 m
- Quarterdeck (15%): 10,00 ft / 3,05 m
- Stern: 10,00 ft / 3,05 m
- Average freeboard: 10,24 ft / 3,12 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 142,0%
- Above water (accommodation/working, high = better): -7,2%
Waterplane Area: 3.399 Square feet or 316 Square metres
Displacement factor (Displacement / loading): 107%
Structure weight / hull surface area: 42 lbs/sq ft or 205 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,86
- Longitudinal: 3,83
- Overall: 1,00
Caution: Poor stability - excessive risk of capsizing
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

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


Ships in Class:
HICMS Luhan-01; laid down 1922; refit 1940
HICMS Luhan-02; laid down 1922; refit 1940
HICMS Luhan-03; laid down 1922; refit 1940

8

Monday, September 26th 2016, 1:31pm

Xigaze - Class (ex German T-13 - Class)

Xigaze - Class (ex German T-13 - Class)
Torpedoboat


Displacement:
1,083 t light; 1,138 t standard; 1,238 t normal; 1,318 t full load

Dimensions:
Length overall / water x beam x draught
323.74 ft / 311.68 ft x 29.53 ft x 11.48 ft (normal load) [98.68 m / 95.00 m x 9.00 m x 3.50 m]


Armament:
6 - 4.13" / 105 mm guns (3x2 guns), 35.32lbs / 16.02kg shells, 1928 Model Dual purpose guns in deck mounts on centreline ends, majority forward, 1 raised mount - superfiring
2 - 1.46" / 37.0 mm guns (1x2 guns), 1.55lbs / 0.70kg shells, 1929 Model Anti-aircraft guns in deck mount on centreline aft, all raised guns - superfiring
16 - 0.79" / 20.0 mm guns (4x4 guns), 0.24lbs / 0.11kg shells, 1936 Model Anti-aircraft guns in deck mounts on side ends, evenly spread, 2 raised mounts - superfiring
Weight of broadside 219 lbs / 99 kg
Shells per gun, main battery: 240
6 - 21.0" / 533 mm above water torpedoes

Armour:
Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm 0.79" / 20 mm -
2nd: 0.79" / 20 mm 0.79" / 20 mm -
3rd: 0.39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines, Geared drive, 2 shafts, 31,862 shp / 23,769 Kw = 34.00 kts
Range 3,000nm at 15.00 kts
Bunker at max displacement = 180 tons

Complement:
103 - 135

Cost:
£0.797 million / $3.186 million

Distribution of weights at normal displacement:
Armament: 27 tons, 2.2 %
Armour: 17 tons, 1.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 17 tons, 1.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 608 tons, 49.1 %
Hull, fittings & equipment: 401 tons, 32.4 %
Fuel, ammunition & stores: 155 tons, 12.5 %
Miscellaneous weights: 30 tons, 2.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship): 387 lbs / 176 Kg = 11.0 x 4.1 " / 105 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.35
Metacentric height 1.4 ft / 0.4 m
Roll period: 10.6 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.29
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has rise forward of midbreak and transom stern
Block coefficient: 0.410
Length to Beam Ratio: 10.56: 1
'Natural speed' for length: 20.30 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 1.64 ft / 0.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18.04 ft / 5.50 m
- Forecastle (20 %): 18.04 ft / 5.50 m
- Mid (45 %): 18.04 ft / 5.50 m (11.48 ft / 3.50 m aft of break)
- Quarterdeck (15 %): 11.48 ft / 3.50 m
- Stern: 11.48 ft / 3.50 m
- Average freeboard: 14.44 ft / 4.40 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 179.2 %
- Above water (accommodation/working, high = better): 84.5 %
Waterplane Area: 5,916 Square feet or 550 Square metres
Displacement factor (Displacement / loading): 61 %
Structure weight / hull surface area: 31 lbs/sq ft or 151 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.98
- Overall: 0.59
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped


Breakdown of Miscellaneous Weight:
- 30 tons for spare torpedoes

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


Ships in Class:
HICMS Xigaze; laid down 1937
HICMS Bainang; laid down 1937
HICMS Nyalam; laid down 1937
HICMS Saga; laid down 1937
HICMS Gamba; laid down 1937
HICMS Burang; laid down 1937
HICMS Rutog; laid down 1937
HICMS Cona; laid down 1937

9

Monday, September 26th 2016, 1:45pm

Huangfen III - Class

Huangfen III - Class
Torpedoboat

Displacement:
2.156 t light; 2.298 t standard; 2.483 t normal; 2.631 t full load

Dimensions:
Length overall / water x beam x draught
377,19 ft / 360,89 ft x 37,07 ft x 11,81 ft (normal load)
114,97 m / 110,00 m x 11,30 m x 3,60 m

Armament:
4 - 5,00" / 127 mm guns (2x2 guns), 62,50lbs / 28,35kg shells, 1946 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1946 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1946 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1946 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 266 lbs / 121 kg
Shells per gun, main battery: 600
8 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2,17" / 55 mm 1,38" / 35 mm -

- Armour deck: 0,39" / 10 mm, Conning tower: 0,98" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 39.475 shp / 29.448 Kw = 32,00 kts
Range 2.500nm at 18,00 kts
Bunker at max displacement = 333 tons

Complement:
175 - 228

Cost:
£1,712 million / $6,848 million

Distribution of weights at normal displacement:
Armament: 33 tons, 1,3%
Armour: 97 tons, 3,9%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 22 tons, 0,9%
- Armour Deck: 71 tons, 2,9%
- Conning Tower: 4 tons, 0,2%
Machinery: 986 tons, 39,7%
Hull, fittings & equipment: 920 tons, 37,1%
Fuel, ammunition & stores: 327 tons, 13,2%
Miscellaneous weights: 120 tons, 4,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1.373 lbs / 623 Kg = 22,0 x 5,0 " / 127 mm shells or 0,5 torpedoes
Stability (Unstable if below 1.00): 1,10
Metacentric height 1,4 ft / 0,4 m
Roll period: 13,4 seconds
Steadiness - As gun platform (Average = 50 %): 78 %
- Recoil effect (Restricted arc if above 1.00): 0,60
Seaboat quality (Average = 1.00): 1,56

Hull form characteristics:
Hull has raised forecastle, rise forward of midbreak
and transom stern
Block coefficient: 0,550
Length to Beam Ratio: 9,73 : 1
'Natural speed' for length: 21,61 kts
Power going to wave formation at top speed: 69 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 7,22 ft / 2,20 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24,93 ft / 7,60 m
- Forecastle (20%): 24,61 ft / 7,50 m (24,28 ft / 7,40 m aft of break)
- Mid (65%): 24,28 ft / 7,40 m (16,73 ft / 5,10 m aft of break)
- Quarterdeck (20%): 16,73 ft / 5,10 m
- Stern: 16,73 ft / 5,10 m
- Average freeboard: 21,73 ft / 6,62 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 147,0%
- Above water (accommodation/working, high = better): 139,5%
Waterplane Area: 9.721 Square feet or 903 Square metres
Displacement factor (Displacement / loading): 101%
Structure weight / hull surface area: 40 lbs/sq ft or 194 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,51
- Longitudinal: 5,69
- Overall: 0,65
Hull space for machinery, storage, compartmentation is cramped
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:
- 25 tons for radar
- 32 tons for spare torpedoes
- 20 tons for sonar & hydrophones
- 15 tons for DC-rails
- 8 tons for 32 DC's @ 0,25 ton
- 20 tons reserve




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


Ships in Class:
HICMS Huangfen 620; laid down 1946
HICMS Huangfen 621; laid down 1946
HICMS Huangfen 622; laid down 1946
HICMS Huangfen 623; laid down 1946
HICMS Huangfen 624; laid down 1946
HICMS Huangfen 625; laid down 1946

10

Wednesday, August 28th 2019, 11:12am

Luhu - Class (ex Peruvian Ancon-Class)

Luhu - Class (ex Peruvian Ancon-Class)
Torpedoboat


Displacement:
987 t light; 1,039 t standard; 1,139 t normal; 1,218 t full load

Dimensions:
Length overall / water x beam x draught
323.74 ft / 311.68 ft x 29.53 ft x 10.83 ft (normal load) [98.68 m / 95.00 m x 9.00 m x 3.30 m]

Armament:
6 - 4.13" / 105 mm guns (3x2 guns), 35.32lbs / 16.02kg shells, 1932 Model Dual purpose guns in deck mounts on centerline ends, majority forward, 1 raised mount - superfiring
2 - 1.46" / 37.0 mm guns (1x2 guns), 1.55lbs / 0.70kg shells, 1932 Model Anti-aircraft guns in deck mount on centerline aft, all raised guns - superfiring
4 - 0.98" / 25.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1932 Model Anti-aircraft guns in deck mounts on side ends, evenly spread
Weight of broadside 216 lbs / 98 kg
Shells per gun, main battery: 240
4 - 21.0" / 533 mm above water torpedoes

Armor:
Gun armor: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm 0.79" / 20 mm -
2nd: 0.79" / 20 mm 0.79" / 20 mm -
3rd: 0.39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines, Geared drive, 2 shafts, 28,150 shp / 21,000 Kw = 33.50 kts
Range 3,000nm at 15.00 kts
Bunker at max displacement = 179 tons

Complement:
97 - 127

Cost:
£0.614 million / $2.454 million

Distribution of weights at normal displacement:
Armament: 27 tons, 2.4 %
Armor: 16 tons, 1.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 16 tons, 1.4 %
- Armor Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 555 tons, 48.8 %
Hull, fittings & equipment: 364 tons, 31.9 %
Fuel, ammunition & stores: 151 tons, 13.3 %
Miscellaneous weights: 25 tons, 2.2 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship): 358 lbs / 162 Kg = 10.1 x 4.1 " / 105 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.40
Metacentric height 1.5 ft / 0.4 m
Roll period: 10.3 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.26
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has rise forward of midbreak and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 10.56: 1
'Natural speed' for length: 20.33 kts
Power going to wave formation at top speed: 69 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 1.64 ft / 0.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18.04 ft / 5.50 m
- Forecastle (20 %): 18.04 ft / 5.50 m
- Mid (35 %): 18.04 ft / 5.50 m (11.48 ft / 3.50 m aft of break)
- Quarterdeck (15 %): 11.48 ft / 3.50 m
- Stern: 11.48 ft / 3.50 m
- Average freeboard: 13.78 ft / 4.20 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 179.0 %
- Above water (accommodation/working, high = better): 105.2 %
Waterplane Area: 5,879 Square feet or 546 Square meters
Displacement factor (Displacement / loading): 59 %
Structure weight / hull surface area: 30 lbs/sq ft or 146 Kg/sq meter
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.50
- Overall: 0.58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate


Breakdown of Misc. Weight - 25tons:
5 tons reserved for depth charges and rails
20 tons reserved for mines and growth