WesWorld

Type IIc
Costal Submarine

Ships:
U2 laid down 1935
U3 laid down 1935
U4 laid down 1935
U5 laid down 1935
U6 laid down 1936
U7 laid down 1936
U8 laid down 1936
U9 laid down 1936
U10 laid down 1936
U11 laid down 1936
U12 laid down 1937
U13 laid down 1937
U14 laid down 1937
U15 laid down 1937
U16 laid down 1937
U17 laid down 1937

Displacement:
349 t light; 356 t standard; 373 t normal; 387 t full load

Dimensions:
Length overall / water x beam x draught
144,36 ft / 144,36 ft x 16,08 ft x 12,80 ft (normal load)
44,00 m / 44,00 m x 4,90 m x 3,90 m

Armament:
2 - 0,79" / 20,0 mm guns (1x2 guns), 0,24lbs / 0,11kg shells, 1935 Model
Dual purpose guns in deck mount
on centreline forward
Weight of broadside 0 lbs / 0 kg
Shells per gun, main battery: 500
3 - 21,0" / 533 mm submerged torpedo tubes

Armour:
- Conning tower: 0,79" / 20 mm

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 2 shafts, 321 shp / 240 Kw = 11,20 kts
Range 3.700nm at 8,00 kts
Bunker at max displacement = 31 tons

Complement:
21

Cost:
£0,069 million / $0,275 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0,0%
Armour: 1 tons, 0,2%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 0 tons, 0,0%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 1 tons, 0,2%
Machinery: 9 tons, 2,4%
Hull, fittings & equipment: 269 tons, 71,9%
Fuel, ammunition & stores: 25 tons, 6,6%
Miscellaneous weights: 70 tons, 18,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
288 lbs / 131 Kg = 1.179,1 x 0,8 " / 20 mm shells or 0,5 torpedoes
Stability (Unstable if below 1.00): 1,02
Metacentric height 0,3 ft / 0,1 m
Roll period: 11,6 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0,00
Seaboat quality (Average = 1.00): 0,00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,440
Length to Beam Ratio: 8,98 : 1
'Natural speed' for length: 12,01 kts
Power going to wave formation at top speed: 34 %
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: 0,00 ft / 0,00 m
- Forecastle (20%): 0,00 ft / 0,00 m
- Mid (50%): 0,00 ft / 0,00 m
- Quarterdeck (15%): 0,00 ft / 0,00 m
- Stern: 0,00 ft / 0,00 m
- Average freeboard: 0,00 ft / 0,00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 65,6%
- Above water (accommodation/working, high = better): 0,0%
Waterplane Area: 1.468 Square feet or 136 Square metres
Displacement factor (Displacement / loading): 417%
Structure weight / hull surface area: 107 lbs/sq ft or 522 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 4,42
- Longitudinal: 4,80
- Overall: 4,46

only for chinese use; not official
operational diving depth = 446 feet or 134m
emergency diving depth = 714 feet or 214m
crush depth = 1115 feet or 335m

Jin-Class
Oceangoing Submarine

Ships:
J-1 laid down 1937
J-2 laid down 1937
J-3 laid down 1937
J-4 laid down 1937


Displacement:
617 t light; 632 t standard; 651 t normal; 667 t full load

Dimensions:
Length overall / water x beam x draught
173.88 ft / 173.88 ft x 22.97 ft x 14.27 ft (normal load)
53.00 m / 53.00 m x 7.00 m x 4.35 m

Armament:
1 - 3.46" / 88.0 mm guns in single mounts, 20.79lbs / 9.43kg shells, 1937 Model
Breech loading gun in deck mount
on centreline forward
1 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1937 Model
Anti-aircraft gun in deck mount
on centreline amidships
Weight of broadside 21 lbs / 10 kg
Shells per gun, main battery: 150
5 - 21.0" / 533.4 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion engines plus batteries,
Electric cruising motors plus geared drives, 2 shafts, 731 shp / 546 Kw = 13.00 kts
Range 4,000nm at 7.00 kts
Bunker at max displacement = 35 tons

Complement:
63 - 83

Cost:
£0.145 million / $0.581 million

Distribution of weights at normal displacement:
Armament: 3 tons, 0.4%
Machinery: 20 tons, 3.1%
Hull, fittings & equipment: 474 tons, 72.8%
Fuel, ammunition & stores: 35 tons, 5.3%
Miscellaneous weights: 120 tons, 18.4%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
482 lbs / 219 Kg = 23.2 x 3.5 " / 88 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.17
Metacentric height 0.7 ft / 0.2 m
Roll period: 11.2 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.400
Length to Beam Ratio: 7.57 : 1
'Natural speed' for length: 13.19 kts
Power going to wave formation at top speed: 39 %
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: 0.00 ft / 0.00 m
- Forecastle (20%): 0.00 ft / 0.00 m
- Mid (50%): 0.00 ft / 0.00 m
- Quarterdeck (15%): 0.00 ft / 0.00 m
- Stern: 0.00 ft / 0.00 m
- Average freeboard: 0.00 ft / 0.00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 73.2%
- Above water (accommodation/working, high = better): 0.0%
Waterplane Area: 2,458 Square feet or 228 Square metres
Displacement factor (Displacement / loading): 359%
Structure weight / hull surface area: 128 lbs/sq ft or 626 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 4.14
- Longitudinal: 4.16
- Overall: 4.14

Only for chinese use; not official
Diving depth: 414 feet
Emergency Depth: 621 feet
Crush Depth: 1035 feet




Thanks to Daidalos for the drawing

S-Class Submarines
Coastal Submarine
build 1918 for Italy, purchased 1938

U-18 ex S1 taken in service in Q1/1938 - scrapped Q1/1943
U-19 ex S2 taken in service in Q1/1938 - scrapped Q1/1943
U-20 ex S3 taken in service in Q1/1938 - scrapped Q1/943
U-21 ex S4 taken in service in Q1/1938 - scrapped Q1/1943
U-22 ex S5 taken in service in Q1/1938 - scrapped Q1/943
U-23 ex S6 taken in service in Q2/1938 - scrapped Q2/1943
U-24 ex S7 taken in service in Q2/1938 - scrapped Q2/1943
U-25 ex S8 taken in service in Q2/1938 - scrapped Q2/1943
U-26 ex S9 taken in service in Q2/1938 - scrapped Q2/1943
U-27 ex S10 taken in service in Q2/1938 - scrapped Q2/1943
U-28 ex S11 taken in service in Q3/1938 - sunk during dive accident
U-29 ex S12 taken in service in Q3/1938 - scrapped Q3/1943
U-30 ex S13 taken in service in Q3/1938 - scrapped Q3/1943
U-31 ex S14 taken in service in Q3/1938 - scrapped Q3/1943
U-32 ex S15 taken in service in Q3/1938 - scrapped Q3/1943
U-33 ex S16 taken in service in Q4/1938 - scrapped Q3/1943
U-34 ex S17 taken in service in Q4/1938 - scrapped Q4/1943
U-35 ex S18 taken in service in Q4/1938 - scrapped Q4/1943
U-36 ex S19 taken in service in Q4/1938 - scrapped Q4/1943
U-37 ex S20 taken in service in Q4/1938 - scrapped Q4/1943


Displacement:
440 t light; 450 t standard; 502 t normal; 542 t full load

Dimensions:
50.00 m x 6.00 m x 3.00 m
6 - 450 mm submerged bow torpedo tubes with 12 torpedoes

Machinery:
Diesel Internal combustion engines plus batteries,
Electric cruising motors plus geared drives, 1 shaft, 1,000 shp / 746 Kw = 14.61 kts submerged
Range 5,000nm at 10.00 kts

Complement:
26 - 34

Cost:
£0.041 million / $0.164 million

Relative margin of stability: 1.08


not official, only for chines use

Operational diving depth ~210ft

E-Class Submarines
Oceangoing Submarine
build 1916-17 for SAE, purchased 1938

U-38 ex E1 , laid down 1916, purchased 1938
U-39 ex E3 , laid down 1916, purchased 1938
U-40 ex E5 , laid down 1916, purchased 1938
U-41 ex E6 , laid down 1916, purchased 1938
U-42 ex E8 , laid down 1916, purchased 1938
U-43 ex E9 , laid down 1916, purchased 1938
U-44 ex E11 , laid down 1916, purchased 1938
U-45 ex E17 , laid down 1916, purchased 1938
U-46 ex E19 , laid down 1917, purchased 1938
U-47 ex E20 , laid down 1917, purchased 1938

[Technical data based on historical German WW1 sub U-66]

Length, 69.5 m x Beam, 6.3 m x Depth, 3.79 m
791 tonnes standard (933 tonnes submerged)
Diving Depth: 50 m
Main battery: 1 x 10.5-cm
5 TT (12), 50 cm
Maximum speed 16.8 knots surfaced
Maximum speed 10.3 knots submerged
Approximate cruising radius, 7370 nm / 8 knots surfaced
Approximate cruising radius, 115 nm / 5 knots submerged
Typical complement: 32-38
Oil firing
Good seaboat; rides out heavy weather easily
Magazines and engineering spaces are cramped, with poor watertight subdivision
Main deck guns subject to being washed down in a seaway

Guìyú-Class - Long Range Submarine laid down 1942

Ships:
U-101 laid down 1942
U-102 laid down 1942
U-103 laid down 1942
U-104 on trials
U-105 on trials
U-106 on trials


Displacement:
2,004 t light; 2,061 t standard; 2,403 t normal; 2,677 t full load

Dimensions:
Length overall / water x beam x draught
295.28 ft / 295.28 ft x 29.53 ft x 19.69 ft (normal load)
90.00 m / 90.00 m x 9.00 m x 6.00 m

Armament:
2 - 4.13" / 105 mm guns in single mounts, 35.32lbs / 16.02kg shells, 1942 Model
Quick firing guns in deck mounts
on centreline, all amidships
2 - 1.77" / 45.0 mm guns in single mounts, 2.78lbs / 1.26kg shells, 1942 Model
Breech loading guns in deck mounts
on centreline, all amidships, all raised mounts - superfiring
Weight of broadside 76 lbs / 35 kg
Shells per gun, main battery: 200
2 - 19.7" / 500 mm above water torpedoes, 8 - 19.7" / 500 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion engines plus batteries,
Electric cruising motors plus geared drives, 2 shafts, 9,749 shp / 7,273 Kw = 21.64 kts
Range 14,000nm at 11.00 kts
Bunker at max displacement = 616 tons

Complement:
171 - 223

Cost:
£0.724 million / $2.896 million

Distribution of weights at normal displacement:
Armament: 10 tons, 0.4 %
Machinery: 255 tons, 10.6 %
Hull, fittings & equipment: 1,288 tons, 53.6 %
Fuel, ammunition & stores: 399 tons, 16.6 %
Miscellaneous weights: 451 tons, 18.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,338 lbs / 607 Kg = 37.9 x 4.1 " / 105 mm shells or 0.7 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 0.9 ft / 0.3 m
Roll period: 13.1 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.490
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 17.18 kts
Power going to wave formation at top speed: 53 %
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: 0.00 ft / 0.00 m
- Forecastle (20 %): 0.00 ft / 0.00 m
- Mid (50 %): 0.00 ft / 0.00 m
- Quarterdeck (15 %): 0.00 ft / 0.00 m
- Stern: 0.00 ft / 0.00 m
- Average freeboard: 0.00 ft / 0.00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 92.4 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 5,757 Square feet or 535 Square metres
Displacement factor (Displacement / loading): 232 %
Structure weight / hull surface area: 145 lbs/sq ft or 708 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 3.41
- Longitudinal: 2.02
- Overall: 2.30
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability


Info:
401 tons for ballast
50 tons for torpedoes and mines


only for chinese use; not official
operational diving depth = 230 feet or 70m
emergency diving depth = 368 feet or 112m
crush depth = 575 feet or 175m

Shayú-Class - Coastal Submarine laid down 1942

U-48 - U-76

Displacement:
182 t light; 186 t standard; 191 t normal; 196 t full load

Dimensions:
Length overall / water x beam x draught
104.99 ft / 104.99 ft x 12.47 ft x 9.84 ft (normal load)
32.00 m / 32.00 m x 3.80 m x 3.00 m

Armament:
1 - 1.77" / 45.0 mm guns in single mounts, 2.78lbs / 1.26kg shells, 1942 Model
Quick firing gun in deck mount
on centreline amidships
1 - 0.31" / 7.9 mm guns in single mounts, 0.02lbs / 0.01kg shells, 1942 Model
Machine gun in deck mount
on centreline amidships, 1 raised gun
Weight of broadside 3 lbs / 1 kg
Shells per gun, main battery: 400
2 - 19.7" / 500 mm submerged torpedo tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Ends: 8.00" / 203 mm 15.00 ft / 4.57 m 2.70 ft / 0.82 m
89.99 ft / 27.43 m Unarmoured ends

Machinery:
Diesel Internal combustion engines plus batteries,
Electric cruising motors plus geared drives, 1 shaft, 387 shp / 289 Kw = 12.77 kts
Range 1,600nm at 8.25 kts
Bunker at max displacement = 10 tons

Complement:
25 - 33

Cost:
£0.051 million / $0.205 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.2 %
Armour: 12 tons, 6.3 %
- Belts: 12 tons, 6.3 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 0 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 10 tons, 5.3 %
Hull, fittings & equipment: 127 tons, 66.4 %
Fuel, ammunition & stores: 10 tons, 5.1 %
Miscellaneous weights: 32 tons, 16.7 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
100 lbs / 45 Kg = 36.0 x 1.8 " / 45 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.01
Metacentric height 0.2 ft / 0.1 m
Roll period: 11.0 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.520
Length to Beam Ratio: 8.42 : 1
'Natural speed' for length: 10.25 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: 0.00 ft / 0.00 m
- Forecastle (20 %): 0.00 ft / 0.00 m
- Mid (50 %): 0.00 ft / 0.00 m
- Quarterdeck (15 %): 0.00 ft / 0.00 m
- Stern: 0.00 ft / 0.00 m
- Average freeboard: 0.00 ft / 0.00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96.3 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 857 Square feet or 80 Square metres
Displacement factor (Displacement / loading): 286 %
Structure weight / hull surface area: 86 lbs/sq ft or 422 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 4.55
- Longitudinal: 4.17
- Overall: 4.26
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability


Info:
32 tons for ballast
12 tons for torpedoes (simmed using ends belt)
Surface speed: 13.1 knots


only for chinese use; not official
operational diving depth = 426 feet or 130m
emergency diving depth = 680 feet or 200m
crush depth = 1050 feet or 320m

Yáomù, China Fleet Submarine laid down 1942

U200 laid down 1943
U201 laid down 1943
U202 laid down 1943
U203 laid down 1943
U204 laid down 1943
U205 laid down 1943
U206 laid down 1943
U207 laid down 1943
U208 laid down 1943
U209 laid down 1943
U210 laid down 1943
U211 laid down 1943


Displacement:
690 t light; 707 t standard; 745 t normal; 776 t full load

Dimensions:
Length overall / water x beam x draught
187,01 ft / 187,01 ft x 21,00 ft x 14,76 ft (normal load)
57,00 m / 57,00 m x 6,40 m x 4,50 m

Armament:
1 - 3,46" / 88,0 mm guns in single mounts, 20,79lbs / 9,43kg shells, 1942 Model
Breech loading gun in deck mount
on centreline forward
2 - 0,31" / 7,9 mm guns (1x2 guns), 0,02lbs / 0,01kg shells, 1942 Model
Machine guns in deck mount
on side amidships, all raised guns
Weight of broadside 21 lbs / 9 kg
Shells per gun, main battery: 200
6 - 21,0" / 533 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion engines plus batteries,
Electric cruising motors plus geared drives, 2 shafts, 684 shp / 510 Kw = 12,50 kts
Range 6.000nm at 8,00 kts
Bunker at max displacement = 69 tons

Complement:
70 - 92

Cost:
£0,183 million / $0,734 million

Distribution of weights at normal displacement:
Armament: 3 tons, 0,3%
Machinery: 18 tons, 2,4%
Hull, fittings & equipment: 514 tons, 69,0%
Fuel, ammunition & stores: 55 tons, 7,4%
Miscellaneous weights: 155 tons, 20,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
395 lbs / 179 Kg = 19,0 x 3,5 " / 88 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,05
Metacentric height 0,5 ft / 0,2 m
Roll period: 12,1 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0,00
Seaboat quality (Average = 1.00): 0,00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,450
Length to Beam Ratio: 8,91 : 1
'Natural speed' for length: 13,68 kts
Power going to wave formation at top speed: 35 %
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: 0,00 ft / 0,00 m
- Forecastle (20%): 0,00 ft / 0,00 m
- Mid (50%): 0,00 ft / 0,00 m
- Quarterdeck (15%): 0,00 ft / 0,00 m
- Stern: 0,00 ft / 0,00 m
- Average freeboard: 0,00 ft / 0,00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96,5%
- Above water (accommodation/working, high = better): 0,0%
Waterplane Area: 2.505 Square feet or 233 Square metres
Displacement factor (Displacement / loading): 352%
Structure weight / hull surface area: 129 lbs/sq ft or 628 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 4,28
- Longitudinal: 3,66
- Overall: 3,80
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

Info:
125 tons for ballast
30 tons for torpedoes


only for chinese use; not official
operational diving depth = 428 feet or 130m
emergency diving depth = 685 feet or 200m
crush depth = 1050 feet or 320m

Please move to the "old post" folder