WesWorld

C1 , laid down 1914, lost 1916 (dive accident)
C2 , laid down 1914, lost 1918 (uncharted rock)
C3 , laid down 1914, scrapped 1921
C4 , laid down 1914, lost 1917 (unknown)
C5 , laid down 1914, scrapped 1921
C6 , laid down 1914, scrapped 1921
C7 , laid down 1914, lost 1915 (dive accident), surfaced 1918, scrapped 1918
C8 , laid down 1914, sunk 1917 (gunfire)
C9 , laid down 1914, scrapped 1921
C10 , laid down 1914, scrapped 1921
C11 , laid down 1914, scrapped 1921
C12 , laid down 1914, lost 1918 (unknown)
C13 , laid down 1915, sunk 1916 (gunfire)
C14 , laid down 1915, scrapped 1921
C15 , cancelled 1915
C16 , cancelled 1915

[Technical data based on historical German WW1 sub U-31]

Length, 64.7 m x Beam, 6.32 m x Depth, 3.45 m
685 tonnes standard (878 tonnes submerged)
Diving Depth: 50 m
Main battery: 2 x 8.8-cm
4 TT (6-10), 50 cm
Maximum speed 16.4 knots surfaced
Maximum speed 9.7 knots submerged
Approximate cruising radius, 8800 nm / 8 knots surfaced
Approximate cruising radius, 50 nm / 5 knots submerged
Typical complement: 31-37
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

D1 , laid down 1915, scrapped 1921
D2 , laid down 1915, scrapped 1921
D3 , laid down 1915, lost 1917 (unknown)
D4 , laid down 1915, scrapped 1921
D5 , laid down 1915, sunk 1916 (mine)
D6 , laid down 1915, scrapped 1921
D7 , laid down 1915, scrapped 1921
D8 , laid down 1915, scrapped 1921
D9 , laid down 1915, scrapped 1921
D10 , laid down 1916, scrapped 1921
D11 , laid down 1916, lost 1918 (fire)
D12 , laid down 1916, scrapped 1921

[Technical data based on historical German WW1 sub U-51]

Displacement:
695 t light; 714 t standard; 845 t normal; 947 t full load
Loading submergence 75 tons/feet

Dimensions:
214,17 ft x 21,26 ft x 14,76 ft (normal load)
65,28 m x 6,48 m x 4,50 m

Armament:
1 - 3,46" / 88 mm guns
Weight of broadside 21 lbs / 9 kg
4 - 21,0" / 533 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion motors plus batteries
Geared drive, 2 shafts, 2.400 shp / 1.790 Kw = 17,36 kts
Range 8.000nm at 10,00 kts

Complement:
38

Cost:
£0,057 million / $0,228 million

Distribution of weights at normal displacement:
Armament: 3 tons, 0,3%
Machinery: 91 tons, 10,8%
Hull, fittings & equipment: 432 tons, 51,1%
Fuel, ammunition & stores: 150 tons, 17,7%
Miscellaneous weights: 170 tons, 20,1%

Metacentric height 0,5

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,00
Shellfire needed to sink: 439 lbs / 199 Kg = 21,1 x 3,5 " / 88 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0,3
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 1 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,00
Relative quality as seaboat: 0,00

Hull form characteristics:
Block coefficient: 0,440
Sharpness coefficient: 0,31
Hull speed coefficient 'M': 6,92
'Natural speed' for length: 14,63 kts
Power going to wave formation at top speed: 46 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 95,3%
Relative accommodation and working space: 0,6%
(Average = 100%)
Displacement factor: 227%
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 3,08
(Structure weight / hull surface area: 96 lbs / square foot or 470 Kg / square metre)
Relative longitudinal hull strength: 2,08
(for 0,10 ft / 0,03 m average freeboard, freeboard adjustment -9,14 ft)
Relative composite hull strength: 2,29

2 bow tubes
2 aft tube
70m operational diving depth
110m emergency diving depth
175m crush depth

E1 , laid down 1916
E2 , laid down 1916, lost 1917 (dive accident)
E3 , laid down 1916
E4 , laid down 1916, lost 17-10-35 (unknown)
E5 , laid down 1916
E6 , laid down 1916
E7 , laid down 1916, sunk 1918 (ramming)
E8 , laid down 1916
E9 , laid down 1916
E10 , laid down 1916, lost 1918 (unknown)
E11 , laid down 1916
E12 , laid down 1916. lost 15-01-36 (unknown)
E13 , cancelled 1917
E14 , cancelled 1917
E15 , cancelled 1917
E16 , laid down 1916, lost 1930 (unknown)
E17 , laid down 1916
E18 , laid down 1916, broken up on slip
E19 , laid down 1917
E20 , laid down 1917

[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

F1 , laid down 1916, scrapped 1939
F2 , laid down 1916, scrapped 1939
F3 , laid down 1916, scrapped 1939
F4 , laid down 1916, scrapped 1939
F5 , laid down 1917, sunk 17-02-36 (depth charge)
F6 , laid down 1917, lost 1930 (unknown)
F7 , laid down 1917, scrapped 1940
F8 , laid down 1917, scrapped 1940
F9 , laid down 1917, scrapped 1940
F10 , laid down 1918, scrapped 1941
F11 , laid down 1918, sunk 05-10-35 (depth charges)
F12 , laid down 1918, scrapped 1941
F13 , laid down 1918, scrapped 1941
F14 , laid down 1918, scrapped 1942
F15 , laid down 1918, scrapped 1942
F16 , laid down 1918, scrapped 1942

[Technical data based on historical German WW1 sub U-115]

Length, 72.3 m x Beam, 6.5 m x Depth, 4.0 m
882 tonnes standard (1233 tonnes submerged)
Diving Depth: 75 m
Main battery: 1 x 10.5-cm
Secondary battery: 1 x 8.8-cm
6 TT (12-16), 50 cm
Maximum speed 16.0 knots surfaced
Maximum speed 9.0 knots submerged
Approximate cruising radius, 11400 nm / 8 knots surfaced
Approximate cruising radius, 60 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

J1, laid down 1918
J2, laid down 1918
J3, laid down 1918, declared lost 16-08-35 (unknown)
J4, laid down 1918

[Technical data based on historical German WW1 sub U-117]

Length, 81.52 m x Beam, 7.42 m x Depth, 4.22 m
1.164 tonnes standard (1.512 tonnes submerged)
Diving Depth: 75 m
Main battery: 1 x 15.0-cm
Secondary battery: 1 x 8.8-cm
6 TT (12-16), 50 cm and 42 mines
Maximum speed 14.7 knots surfaced
Maximum speed 7.0 knots submerged
Approximate cruising radius, 13900 nm / 8 knots surfaced
Approximate cruising radius, 50 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

L1 , laid down 1931
L2 , laid down 1931

Displacement:
871 t light; 899 t standard (900 t officially); 1.112 t normal; 1.283 t full load

Dimensions: Length overall / water x beam x draught
213,82 ft / 213,25 ft x 26,25 ft x 17,39 ft (normal load)
65,17 m / 65,00 m x 8,00 m x 5,30 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1931 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, 1931 Model
Anti-aircraft gun in deck mount
on centreline amidships, 1 raised gun
Weight of broadside 36 lbs / 16 kg
Shells per gun, main battery: 300
6 - 21,0" / 533 mm submerged torpedo tubes

Armour:

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 4.000 shp / 2.984 Kw = 18,91 kts
Range 10.000nm at 12,00 kts
Bunker at max displacement = 384 tons

Complement:
96 - 125

Diving Depth:
80m operational
130m emergency
200m crush

Cost:
£0,222 million / $0,889 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0,4%
Armour: 0 tons, 0,0%
- 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, 0,0%
Machinery: 120 tons, 10,8%
Hull, fittings & equipment: 546 tons, 49,1%
Fuel, ammunition & stores: 242 tons, 21,7%
Miscellaneous weights: 200 tons, 18,0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
517 lbs / 235 Kg = 14,6 x 4,1 " / 105 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,07
Metacentric height 0,8 ft / 0,2 m
Roll period: 12,6 seconds
Steadiness - As gun platform (Average = 50 %): 3 %
- 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: 8,13 : 1
'Natural speed' for length: 14,60 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0,98 ft / 0,30 m
- Forecastle (20%): 0,33 ft / 0,10 m
- Mid (50%): 0,33 ft / 0,10 m
- Quarterdeck (15%): 0,33 ft / 0,10 m
- Stern: 0,33 ft / 0,10 m
- Average freeboard: 0,38 ft / 0,12 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 107,0%
- Above water (accommodation/working, high = better): 2,2%
Waterplane Area: 3.445 Square feet or 320 Square metres
Displacement factor (Displacement / loading): 234%
Structure weight / hull surface area: 101 lbs/sq ft or 492 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 2,66
- Longitudinal: 2,89
- Overall: 2,69
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

M1 , laid down 1935
M2 , laid down 1935
M3 , laid down 1935
M4 , laid down 1935
M5 , laid down 1935
M6 , laid down 1935

Displacement:
1.085 t light; 1.120 t standard; 1.454 t normal; 1.720 t full load

Dimensions: Length overall / water x beam x draught
226,84 ft / 226,38 ft x 29,53 ft x 19,03 ft (normal load)
69,14 m / 69,00 m x 9,00 m x 5,80 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1935 Model
Breech loading gun in deck mount
on centreline forward
2 - 0,79" / 20,0 mm guns (1x2 guns), 0,24lbs / 0,11kg shells, 1935 Model
Anti-aircraft guns in deck mount
on centreline amidships, all raised guns - superfiring
Weight of broadside 36 lbs / 16 kg
Shells per gun, main battery: 300
6 - 21,0" / 533 mm submerged torpedo tubes

Armour:

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 4.634 shp / 3.457 Kw = 18,91 kts
Range 14.000nm at 12,00 kts
Bunker at max displacement = 600 tons

Complement:
117 - 153

Cost:
£0,306 million / $1,225 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0,3%
Armour: 0 tons, 0,0%
- 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, 0,0%
Machinery: 132 tons, 9,1%
Hull, fittings & equipment: 699 tons, 48,1%
Fuel, ammunition & stores: 368 tons, 25,3%
Miscellaneous weights: 250 tons, 17,2%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
949 lbs / 431 Kg = 26,9 x 4,1 " / 105 mm shells or 0,6 torpedoes
Stability (Unstable if below 1.00): 1,12
Metacentric height 1,0 ft / 0,3 m
Roll period: 12,4 seconds
Steadiness - As gun platform (Average = 50 %): 3 %
- 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: 7,67 : 1
'Natural speed' for length: 15,05 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 50
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: 0,98 ft / 0,30 m
- Forecastle (20%): 0,33 ft / 0,10 m
- Mid (50%): 0,33 ft / 0,10 m
- Quarterdeck (15%): 0,33 ft / 0,10 m
- Stern: 0,33 ft / 0,10 m
- Average freeboard: 0,38 ft / 0,12 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 83,2%
- Above water (accommodation/working, high = better): 2,2%
Waterplane Area: 4.115 Square feet or 382 Square metres
Displacement factor (Displacement / loading): 265%
Structure weight / hull surface area: 110 lbs/sq ft or 535 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 2,63
- Longitudinal: 3,00
- Overall: 2,67
Hull space for machinery, storage, compartmentation is excellent
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

O1 , laid down 1939
O3 , laid down 1939
O5 , laid down 1939
O6 , laid down 1939
O7 , laid down 1939
O2 , laid down 1940
O4 , laid down 1940
O8 , laid down 1940


Drawing by Daidalos

Displacement:
1.175 t light; 1.215 t standard; 1.576 t normal; 1.864 t full load

Dimensions: Length overall / water x beam x draught
226,84 ft / 226,38 ft x 30,18 ft x 19,69 ft (normal load)
69,14 m / 69,00 m x 9,20 m x 6,00 m

Armament:
2 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1939 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
2 - 0,79" / 20,0 mm guns (1x2 guns), 0,24lbs / 0,11kg shells, 1939 Model
Anti-aircraft guns in deck mount
on centreline amidships, all raised guns - superfiring
Weight of broadside 71 lbs / 32 kg
Shells per gun, main battery: 200
8 - 21,0" / 533 mm submerged torpedo tubes

Armour:

- Armour deck: 0,79" / 20 mm, Conning tower: 1,97" / 50 mm

Machinery:
Diesel Internal combustion engines plus batteries,
Electric cruising motors plus geared drives, 2 shafts, 4.691 shp / 3.500 Kw = 18,70 kts
Range 15.000nm at 12,00 kts
Bunker at max displacement = 649 tons

Complement:
124 - 162

Cost:
£0,386 million / $1,545 million

Distribution of weights at normal displacement:
Armament: 9 tons, 0,6%
Armour: 67 tons, 4,3%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 0 tons, 0,0%
- Armour Deck: 62 tons, 3,9%
- Conning Tower: 6 tons, 0,4%
Machinery: 127 tons, 8,1%
Hull, fittings & equipment: 722 tons, 45,8%
Fuel, ammunition & stores: 400 tons, 25,4%
Miscellaneous weights: 250 tons, 15,9%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
881 lbs / 400 Kg = 24,9 x 4,1 " / 105 mm shells or 0,6 torpedoes
Stability (Unstable if below 1.00): 1,11
Metacentric height 1,0 ft / 0,3 m
Roll period: 12,6 seconds
Steadiness - As gun platform (Average = 50 %): 3 %
- 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: 0,410
Length to Beam Ratio: 7,50 : 1
'Natural speed' for length: 15,05 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 50
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: 0,98 ft / 0,30 m
- Forecastle (20%): 0,33 ft / 0,10 m
- Mid (50%): 0,33 ft / 0,10 m
- Quarterdeck (15%): 0,33 ft / 0,10 m
- Stern: 0,33 ft / 0,10 m
- Average freeboard: 0,38 ft / 0,12 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): 2,1%
Waterplane Area: 4.232 Square feet or 393 Square metres
Displacement factor (Displacement / loading): 245%
Structure weight / hull surface area: 109 lbs/sq ft or 534 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 2,53
- Longitudinal: 3,06
- Overall: 2,58
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

Diving Depth: 80m
Emergency Depth: 125m
Crushing Depth: 200m

Q1 , laid down 1940
Q2 , laid down 1941

Displacement:
1.223 t light; 1.260 t standard; 1.622 t normal; 1.912 t full load

Dimensions: Length overall / water x beam x draught
220,28 ft / 219,82 ft x 32,81 ft x 19,69 ft (normal load)
67,14 m / 67,00 m x 10,00 m x 6,00 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1935 Model
Breech loading gun in deck mount
on centreline forward
2 - 0,79" / 20,0 mm guns (1x2 guns), 0,24lbs / 0,11kg shells, 1938 Model
Anti-aircraft guns in deck mount
on centreline amidships, all raised guns - superfiring
Weight of broadside 36 lbs / 16 kg
Shells per gun, main battery: 200
6 - 21,0" / 533 mm submerged torpedo tubes

Armour:

- Armour deck: 0,79" / 20 mm, Conning tower: 1,97" / 50 mm

Machinery:
Diesel Internal combustion engines plus batteries,
Electric cruising motors plus geared drives, 2 shafts, 6.627 shp / 4.944 Kw = 20,20 kts
Range 15.000nm at 12,00 kts
Bunker at max displacement = 652 tons

Complement:
127 - 166

Cost:
£0,428 million / $1,713 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0,3%
Armour: 71 tons, 4,3%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 0 tons, 0,0%
- Armour Deck: 65 tons, 4,0%
- Conning Tower: 6 tons, 0,4%
Machinery: 177 tons, 10,9%
Hull, fittings & equipment: 671 tons, 41,4%
Fuel, ammunition & stores: 399 tons, 24,6%
Miscellaneous weights: 300 tons, 18,5%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
952 lbs / 432 Kg = 27,0 x 4,1 " / 105 mm shells or 0,6 torpedoes
Stability (Unstable if below 1.00): 1,07
Metacentric height 1,1 ft / 0,3 m
Roll period: 13,3 seconds
Steadiness - As gun platform (Average = 50 %): 2 %
- 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: 6,70 : 1
'Natural speed' for length: 14,83 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: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0,98 ft / 0,30 m
- Forecastle (20%): 0,33 ft / 0,10 m
- Mid (50%): 0,33 ft / 0,10 m
- Quarterdeck (15%): 0,33 ft / 0,10 m
- Stern: 0,33 ft / 0,10 m
- Average freeboard: 0,38 ft / 0,12 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 90,3%
- Above water (accommodation/working, high = better): 2,2%
Waterplane Area: 4.439 Square feet or 412 Square metres
Displacement factor (Displacement / loading): 213%
Structure weight / hull surface area: 101 lbs/sq ft or 494 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 2,25
- Longitudinal: 2,93
- Overall: 2,31
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

Diving Depth: 80m
Emergency Depth: 125m
Crushing Depth: 200m

T1, laid down 1942
T2, laid down 1942
T3, laid down 1943
T4, laid down 1943
T5, laid down 1942
T6, laid down 1943
T7, laid down 1942
T8, laid down 1942

Displacement:
954 t light; 986 t standard; 1.186 t normal; 1.346 t full load

Dimensions: Length overall / water x beam x draught
216,99 ft / 216,54 ft x 26,25 ft x 17,39 ft (normal load)
66,14 m / 66,00 m x 8,00 m x 5,30 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1942 Model
Breech loading gun in deck mount
on centreline forward
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1942 Model
Machine guns in deck mounts
on centreline, all amidships, all raised mounts - superfiring
Weight of broadside 36 lbs / 16 kg
Shells per gun, main battery: 400
6 - 21,0" / 533 mm submerged torpedo tubes

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

Machinery:
Diesel Internal combustion engines plus batteries,
Electric cruising motors plus geared drives, 2 shafts, 4.000 shp / 2.984 Kw = 18,73 kts
Range 10.000nm at 12,00 kts
Bunker at max displacement = 360 tons

Complement:
100 - 131

Cost:
£0,330 million / $1,318 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0,4%
Armour: 0 tons, 0,0%
- 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, 0,0%
Machinery: 104 tons, 8,8%
Hull, fittings & equipment: 645 tons, 54,4%
Fuel, ammunition & stores: 232 tons, 19,5%
Miscellaneous weights: 200 tons, 16,9%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
696 lbs / 316 Kg = 19,7 x 4,1 " / 105 mm shells or 0,5 torpedoes
Stability (Unstable if below 1.00): 1,11
Metacentric height 0,8 ft / 0,3 m
Roll period: 12,1 seconds
Steadiness - As gun platform (Average = 50 %): 3 %
- 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: 0,420
Length to Beam Ratio: 8,25 : 1
'Natural speed' for length: 14,72 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 50
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: 0,98 ft / 0,30 m
- Forecastle (20%): 0,33 ft / 0,10 m
- Mid (50%): 0,33 ft / 0,10 m
- Quarterdeck (15%): 0,33 ft / 0,10 m
- Stern: 0,33 ft / 0,10 m
- Average freeboard: 0,38 ft / 0,12 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): 2,2%
Waterplane Area: 3.543 Square feet or 329 Square metres
Displacement factor (Displacement / loading): 267%
Structure weight / hull surface area: 116 lbs/sq ft or 565 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 3,07
- Longitudinal: 3,10
- Overall: 3,07
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

6 bow tubes
100m operational diving depth
160m emergency diving depth
250m crush depth