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HoOmAn

Keeper of the Sacred Block Coefficient

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1

Tuesday, October 5th 2004, 3:19pm

Destroyer, Category B

Falcon , laid down 1913, scrapped 1925
Goshawk , laid down 1913, scrapped 1925
Condor , laid down 1913, scrapped 1926
Sparrow , laid down 1913, scrapped 1925
Sea Swallow , laid down 1914, scrapped 1926
Vulture , laid down 1914, scrapped 1925
Seagull , laid down 1914, scrapped 1926
Albatross , laid down 1915, scrapped 1926
Gryphon , laid down 1915, scrapped 1928
Nighthawk , laid down 1915, scrapped 1926
Dove , laid down 1915, scrapped 1928



Displacement:
1.263 t light; 1.300 t standard; 1.509 t normal; 1.670 t full load
Loading submergence 156 tons/feet

Dimensions:
303,48 ft x 30,35 ft x 12,47 ft (normal load)
92,50 m x 9,25 m x 3,80 m

Armament:
4 - 3,46" / 88 mm guns
4 - 0,79" / 20 mm guns
Weight of broadside 84 lbs / 38 kg
4 - 21,0" / 533 mm above water torpedoes

Armour:
Main gun shields 0,98" / 25 mm

Machinery:
Coal and oil fired boilers, steam turbines,
Geared drive, 2 shafts, 37.533 shp / 28.000 Kw = 32,38 kts
Range 2.900nm at 15,00 kts

Complement:
121 - 157

Cost:
£0,198 million / $0,792 million

Distribution of weights at normal displacement:
Armament: 11 tons, 0,7%
Armour: 4 tons, 0,3%
Belts: 0 tons, 0,0%, Armament: 4 tons, 0,3%, Armour Deck: 0 tons, 0,0%
Conning Tower: 0 tons, 0,0%, Torpedo bulkhead: 0 tons, 0,0%
Machinery: 918 tons, 60,8%
Hull, fittings & equipment: 331 tons, 21,9%
Fuel, ammunition & stores: 246 tons, 16,3%
Miscellaneous weights: 0 tons, 0,0%

Metacentric height 1,4

Remarks:
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage & compartmentation is extremely poor
Room for accommodation & workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,35
Shellfire needed to sink: 284 lbs / 129 Kg = 13,6 x 3,5 " / 88 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0,2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 70 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,10
Relative quality as seaboat: 0,85

Hull form characteristics:
Block coefficient: 0,460
Sharpness coefficient: 0,32
Hull speed coefficient 'M': 8,09
'Natural speed' for length: 17,42 kts
Power going to wave formation at top speed: 71 %
Trim: 82
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 201,5%
Relative accommodation and working space: 81,3%
(Average = 100%)
Displacement factor: 48%
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0,50
(Structure weight / hull surface area: 30 lbs / square foot or 149 Kg / square metre)
Relative longitudinal hull strength: 1,31
(for 13,45 ft / 4,10 m average freeboard, freeboard adjustment 3,08 ft)
Relative composite hull strength: 0,55

HoOmAn

Keeper of the Sacred Block Coefficient

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2

Tuesday, October 5th 2004, 3:19pm

Lynx , laid down 1916, rebuild 1928, sold to Azerbaijan 1937
Tiger , laid down 1916, rebuild 1926, sold to Azerbaijan 1937
Lion , laid down 1916, rebuild 1928, sold to Azerbaijan 1937
Panther , laid down 1916, rebuild 1928, sold to Azerbaijan 1937
Jaguar , laid down 1916, rebuild 1926, sold to Azerbaijan 1937
Leopard , laid down 1916, rebuild 1927, sold to Azerbaijan 1937
Puma , laid down 1917, rebuild 1926, sold to Azerbaijan 1937
Cheetah , laid down 1917, rebuild 1927, sold to Azerbaijan 1937
Ocelot , laid down 1917, rebuild 1925, sold to India 1932
Karakal , laid down 1917, rebuild 1926, sold to India 1932
Ounce , laid down 1917, rebuild 1925, sold to India 1932
Parder , laid down 1917, rebuild 1927, sold to India 1932

Original data

Displacement:
1.545 t light; 1.593 t standard (1.590 t officially); 1.808 t normal; 1.972 t full load
Loading submergence 178 tons/feet

Dimensions:
336,29 ft x 31,17 ft x 13,12 ft (normal load)
102,50 m x 9,50 m x 4,00 m

Armament:
4 - 4,13" / 105 mm guns
4 - 0,79" / 20 mm guns
Weight of broadside 142 lbs / 65 kg
4 - 21,0" / 533 mm above water torpedoes

Armour:
Main gun shields 0,98" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 45.576 shp / 34.000 Kw = 33,57 kts
Range 3.500nm at 15,00 kts

Complement:
138 - 180

Cost:
£0,366 million / $1,464 million

Distribution of weights at normal displacement:
Armament: 18 tons, 1,0%
Armour: 5 tons, 0,3%
Belts: 0 tons, 0,0%, Armament: 5 tons, 0,3%, Armour Deck: 0 tons, 0,0%
Conning Tower: 0 tons, 0,0%, Torpedo bulkhead: 0 tons, 0,0%
Machinery: 1.105 tons, 61,1%
Hull, fittings & equipment: 417 tons, 23,1%
Fuel, ammunition & stores: 263 tons, 14,5%
Miscellaneous weights: 0 tons, 0,0%

Metacentric height 1,6

Remarks:
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage & compartmentation is extremely poor
Room for accommodation & workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,42
Shellfire needed to sink: 347 lbs / 157 Kg = 9,8 x 4,1 " / 105 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0,2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 70 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,15
Relative quality as seaboat: 1,00

Hull form characteristics:
Block coefficient: 0,460
Sharpness coefficient: 0,31
Hull speed coefficient 'M': 8,44
'Natural speed' for length: 18,34 kts
Power going to wave formation at top speed: 69 %
Trim: 70
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 204,6%
Relative accommodation and working space: 93,6%
(Average = 100%)
Displacement factor: 51%
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0,50
(Structure weight / hull surface area: 33 lbs / square foot or 160 Kg / square metre)
Relative longitudinal hull strength: 1,28
(for 14,76 ft / 4,50 m average freeboard, freeboard adjustment 4,01 ft)
Relative composite hull strength: 0,55

After modernization

Displacement:
1.541 t light; 1.585 t standard (1.580 t officially); 1.808 t normal; 1.986 t full load

Dimensions: Length overall / water x beam x draught
344,31 ft / 336,29 ft x 31,17 ft x 13,12 ft (normal load)
104,95 m / 102,50 m x 9,50 m x 4,00 m

Armament:
3 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1916 Model
Breech loading guns in deck mounts
on centreline ends, majority forward, 1 raised mount
2 - 1,57" / 40,0 mm guns (1x2 guns), 1,95lbs / 0,88kg shells, 1923 Model
Anti-aircraft guns in deck mount
on side
4 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1924 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 111 lbs / 50 kg
Shells per gun, main battery: 120
6 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm - -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 45.577 shp / 34.000 Kw = 33,58 kts
Range 4.500nm at 15,00 kts
Bunker at max displacement = 401 tons

Complement:
138 - 180

Cost:
£0,349 million / $1,395 million

Distribution of weights at normal displacement:
Armament: 14 tons, 0,8%
Armour: 7 tons, 0,4%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 7 tons, 0,4%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 1.054 tons, 58,3%
Hull, fittings & equipment: 467 tons, 25,8%
Fuel, ammunition & stores: 266 tons, 14,7%
Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
357 lbs / 162 Kg = 10,1 x 4,1 " / 105 mm shells or 0,2 torpedoes
Stability (Unstable if below 1.00): 1,28
Metacentric height 1,4 ft / 0,4 m
Roll period: 11,2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,10
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,460
Length to Beam Ratio: 10,79 : 1
'Natural speed' for length: 18,34 kts
Power going to wave formation at top speed: 69 %
Trim (Max stability = 0, Max steadiness = 100): 70
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: 22,05 ft / 6,72 m
- Forecastle (48%): 18,11 ft / 5,52 m
- Mid (48%): 18,11 ft / 5,52 m (10,24 ft / 3,12 m aft of break)
- Quarterdeck (15%): 10,24 ft / 3,12 m
- Stern: 10,24 ft / 3,12 m
- Average freeboard: 14,77 ft / 4,50 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 193,8%
- Above water (accommodation/working, high = better): 57,7%
Waterplane Area: 6.742 Square feet or 626 Square metres
Displacement factor (Displacement / loading): 59%
Structure weight / hull surface area: 32 lbs/sq ft or 154 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,54
- Longitudinal: 2,25
- Overall: 0,63
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

HoOmAn

Keeper of the Sacred Block Coefficient

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3

Tuesday, October 5th 2004, 3:27pm

Husky , laid down 1921, sunk 06-02-35 (bomb)
Terrier , laid down 1921, refitted 1935, scrapped 1936
Bulldog , laid down 1921, sold to Azerbaijan 1937
Boarhound , laid down 1921, sold to Azerbaijan 1937
Dachshund , laid down 1921, sold to Azerbaijan 1937
Alsatian , laid down 1921, sold to Azerbaijan 1937
Basset Hound , laid down 1922, sold to Azerbaijan 1937
Greyhound , laid down 1922, sold to Azerbaijan 1937
Spaniel , laid down 1922, sold to Azerbaijan 1937
Borzoj , laid down 1922, sold to Azerbaijan 1937
Basenji , laid down 1922, sunk 29-05-35 (bomb)
Basset Fauve de Bretagne , laid down 1922, sunk 01-11-35 (torpedo)



Displacement:
1.138 t light; 1.174 t standard; 1.335 t normal; 1.458 t full load
Loading submergence 163 tons/feet

Dimensions:
344,49 ft x 32,81 ft x 11,48 ft (normal load)
105,00 m x 10,00 m x 3,50 m

Armament:
3 - 4,13" / 105 mm guns
4 - 1,57" / 40 mm AA guns
6 - 0,79" / 20 mm guns
Weight of broadside 115 lbs / 52 kg
8 - 21,0" / 533 mm above water torpedoes

Armour:
Main gun shields 1,38" / 35 mm, AA gun shields 0,98" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 34.618 shp / 25.825 Kw = 33,54 kts
Range 3.700nm at 15,00 kts

Complement:
110 - 143

Cost:
£0,400 million / $1,599 million

Distribution of weights at normal displacement:
Armament: 14 tons, 1,1%
Armour: 7 tons, 0,5%
Belts: 0 tons, 0,0%, Armament: 7 tons, 0,5%, Armour Deck: 0 tons, 0,0%
Conning Tower: 0 tons, 0,0%, Torpedo bulkhead: 0 tons, 0,0%
Machinery: 751 tons, 56,3%
Hull, fittings & equipment: 365 tons, 27,4%
Fuel, ammunition & stores: 197 tons, 14,8%
Miscellaneous weights: 0 tons, 0,0%

Metacentric height 1,6

Remarks:
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage & compartmentation is cramped
Room for accommodation & workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,34
Shellfire needed to sink: 303 lbs / 137 Kg = 8,6 x 4,1 " / 105 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0,2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 71 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,11
Relative quality as seaboat: 1,01

Hull form characteristics:
Block coefficient: 0,360
Sharpness coefficient: 0,28
Hull speed coefficient 'M': 9,56
'Natural speed' for length: 18,56 kts
Power going to wave formation at top speed: 65 %
Trim: 70
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 189,9%
Relative accommodation and working space: 67,3%
(Average = 100%)
Displacement factor: 53%
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0,50
(Structure weight / hull surface area: 32 lbs / square foot or 156 Kg / square metre)
Relative longitudinal hull strength: 1,13
(for 13,29 ft / 4,05 m average freeboard, freeboard adjustment 3,16 ft)
Relative composite hull strength: 0,54

HoOmAn

Keeper of the Sacred Block Coefficient

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4

Tuesday, October 5th 2004, 3:29pm

Agaue , laid down 1921, sunk 22-05-35 (torpedo)
Aktaia , laid down 1921, rebuild 1939
Amphitrite , laid down 1921, rebuild 1939
Autonoe , laid down 1921, rebuild 1939
Doris , laid down 1921, rebuild 1939
Doto , laid down 1921, rebuild 1939
Dynamene , laid down 1922, sunk 22-05-35 (torpedo)
Eione , laid down 1922, sunk 22-05-35 (torpedo)
Erato , laid down 1922, rebuild 1939
Euagora , laid down 1922, sunk 13-02-36 (mine)
Euarne , laid down 1922, rebuild 1939
Eudora , laid down 1922, rebuild 1939



Displacement:
1.415 t light; 1.468 t standard; 1.614 t normal; 1.724 t full load
Loading submergence 175 tons/feet

Dimensions:
326,44 ft x 31,17 ft x 11,81 ft (normal load)
99,50 m x 9,50 m x 3,60 m

Armament:
4 - 5,00" / 127 mm guns
2 - 1,57" / 40 mm AA guns
4 - 0,79" / 20 mm guns
Weight of broadside 255 lbs / 116 kg
6 - 21,0" / 533 mm above water torpedoes

Armour:
Main gun shields 1,00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 42.815 shp / 31.940 Kw = 33,41 kts
Range 5.000nm at 12,00 kts

Complement:
127 - 165

Cost:
£0,523 million / $2,090 million

Distribution of weights at normal displacement:
Armament: 32 tons, 2,0%
Armour: 7 tons, 0,4%
Belts: 0 tons, 0,0%, Armament: 7 tons, 0,4%, Armour Deck: 0 tons, 0,0%
Conning Tower: 0 tons, 0,0%, Torpedo bulkhead: 0 tons, 0,0%
Machinery: 921 tons, 57,1%
Hull, fittings & equipment: 435 tons, 27,0%
Fuel, ammunition & stores: 199 tons, 12,3%
Miscellaneous weights: 20 tons, 1,2%

Metacentric height 1,2

Remarks:
Caution: Light-weight hull structure.
Hull space for machinery, storage & compartmentation is extremely poor.
Room for accommodation & workspaces is cramped.
Ship has slow, easy roll, a good, steady gun platform.

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,21
Shellfire needed to sink: 336 lbs / 152 Kg = 5,4 x 5,0 " / 127 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0,2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 71 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,35
Relative quality as seaboat: 1,03

Hull form characteristics:
Block coefficient: 0,470
Sharpness coefficient: 0,32
Hull speed coefficient 'M': 8,51
'Natural speed' for length: 18,07 kts
Power going to wave formation at top speed: 70 %
Trim: 69
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 200,5%
Relative accommodation and working space: 86,1%
(Average = 100%)
Displacement factor: 50%
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0,50
(Structure weight / hull surface area: 35 lbs / square foot or 171 Kg / square metre)
Relative longitudinal hull strength: 1,49
(for 15,75 ft / 4,80 m average freeboard, freeboard adjustment 5,23 ft)
Relative composite hull strength: 0,56

After modernization:

Displacement:
1.358 t light; 1.423 t standard; 1.614 t normal; 1.766 t full load

Dimensions: Length overall / water x beam x draught
337,61 ft / 326,44 ft x 31,17 ft x 11,81 ft (normal load)
102,90 m / 99,50 m x 9,50 m x 3,60 m

Armament:
6 - 4,53" / 115 mm guns (3x2 guns), 46,40lbs / 21,05kg shells, 1939 Model
Dual purpose guns in deck mounts
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1939 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 287 lbs / 130 kg
Shells per gun, main battery: 200
5 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,18" / 30 mm 0,98" / 25 mm -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 42.896 shp / 32.000 Kw = 33,44 kts
Range 8.000nm at 12,00 kts
Bunker at max displacement = 343 tons

Complement:
126 - 165

Cost:
£1,126 million / $4,505 million

Distribution of weights at normal displacement:
Armament: 36 tons, 2,2%
Armour: 20 tons, 1,2%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 20 tons, 1,2%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 828 tons, 51,3%
Hull, fittings & equipment: 445 tons, 27,6%
Fuel, ammunition & stores: 255 tons, 15,8%
Miscellaneous weights: 30 tons, 1,9%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
363 lbs / 165 Kg = 7,8 x 4,5 " / 115 mm shells or 0,2 torpedoes
Stability (Unstable if below 1.00): 1,25
Metacentric height 1,3 ft / 0,4 m
Roll period: 11,4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,30
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0,470
Length to Beam Ratio: 10,47 : 1
'Natural speed' for length: 18,07 kts
Power going to wave formation at top speed: 70 %
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: 23,95 ft / 7,30 m
- Forecastle (37%): 19,52 ft / 5,95 m (11,65 ft / 3,55 m aft of break)
- Mid (50%): 11,65 ft / 3,55 m
- Quarterdeck (15%): 11,65 ft / 3,55 m
- Stern: 11,65 ft / 3,55 m
- Average freeboard: 15,22 ft / 4,64 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 185,1%
- Above water (accommodation/working, high = better): 76,9%
Waterplane Area: 6.600 Square feet or 613 Square metres
Displacement factor (Displacement / loading): 61%
Structure weight / hull surface area: 31 lbs/sq ft or 150 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,52
- Overall: 0,58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

HoOmAn

Keeper of the Sacred Block Coefficient

  • Send private message

5

Tuesday, October 5th 2004, 3:37pm

Galateia , laid down 1923, refitted 1937
Eukrante , laid down 1923, sunk 09-11-35 (mine)
Glauke , laid down 1923, sunk 23-08-35 (mine)
Halia , laid down 1923, refitted 1937
Eunike , laid down 1923, rebuild 1938
Hipponoe , laid down 1923, rebuild 1938
Eupompe , laid down 1924, sunk 21-05-35 (torpedo)
Eulimene , laid down 1924, sunk 07-09-36 (torpedo)
Galene , laid down 1925, refitted 1935
Glaukonome , laid down 1925, rebuild 1938
Hippothoe , laid down 1926, rebuild 1938
Halimene , laid down 1926, rebuild 1938



Displacement:
1.394 t light; 1.449 t standard; 1.643 t normal; 1.792 t full load
Loading submergence 164 tons/feet

Dimensions:
329,99 ft x 30,18 ft x 13,12 ft (normal load)
100,58 m x 9,20 m x 4,00 m

Armament:
4 - 5,00" / 127 mm guns
5 - 1,57" / 40 mm AA guns
6 - 0,79" / 20 mm guns
Weight of broadside 261 lbs / 118 kg
6 - 21,0" / 533 mm above water torpedoes

Armour:
Main gun shields 1,38" / 35 mm, AA gun shields 0,98" / 25 mm, Light gun shields 0,98" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 42.000 shp / 31.332 Kw = 33,43 kts
Range 4.000nm at 15,00 kts

Complement:
129 - 167

Cost:
£0,595 million / $2,380 million

Distribution of weights at normal displacement:
Armament: 33 tons, 2,0%
Armour: 12 tons, 0,7%
Belts: 0 tons, 0,0%, Armament: 12 tons, 0,7%, Armour Deck: 0 tons, 0,0%
Conning Tower: 0 tons, 0,0%, Torpedo bulkhead: 0 tons, 0,0%
Machinery: 917 tons, 55,8%
Hull, fittings & equipment: 413 tons, 25,1%
Fuel, ammunition & stores: 249 tons, 15,2%
Miscellaneous weights: 20 tons, 1,2%

Metacentric height 1,1

Remarks:
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage & compartmentation is cramped
Room for accommodation & workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,19
Shellfire needed to sink: 315 lbs / 143 Kg = 5,0 x 5,0 " / 127 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0,2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 70 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,37
Relative quality as seaboat: 1,00

Hull form characteristics:
Block coefficient: 0,440
Sharpness coefficient: 0,30
Hull speed coefficient 'M': 8,55
'Natural speed' for length: 18,17 kts
Power going to wave formation at top speed: 69 %
Trim: 70
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 196,4%
Relative accommodation and working space: 72,5%
(Average = 100%)
Displacement factor: 53%
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0,50
(Structure weight / hull surface area: 34 lbs / square foot or 166 Kg / square metre)
Relative longitudinal hull strength: 1,36
(for 14,60 ft / 4,45 m average freeboard, freeboard adjustment 4,05 ft)
Relative composite hull strength: 0,55

After Refit:

Displacement:
1.395 t light; 1.445 t standard; 1.643 t normal; 1.802 t full load

Dimensions: Length overall / water x beam x draught
342,55 ft / 329,99 ft x 30,18 ft x 13,12 ft (normal load)
104,41 m / 100,58 m x 9,20 m x 4,00 m

Armament:
3 - 5,00" / 127 mm guns in single mounts, 62,50lbs / 28,35kg shells, 1923 Model
Breech loading guns in deck mounts
on centreline ends, majority forward, 1 raised mount
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1923 Model
Breech loading guns in deck mounts
on side, evenly spread
10 - 0,79" / 20,0 mm guns (3 mounts), 0,24lbs / 0,11kg shells, 1923 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 198 lbs / 90 kg
Shells per gun, main battery: 150
10 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm 0,59" / 15 mm -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 42.000 shp / 31.332 Kw = 33,44 kts
Range 4.150nm at 15,00 kts
Bunker at max displacement = 358 tons

Complement:
128 - 167

Cost:
£0,582 million / $2,327 million

Distribution of weights at normal displacement:
Armament: 25 tons, 1,5%
Armour: 11 tons, 0,7%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 11 tons, 0,7%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 932 tons, 56,7%
Hull, fittings & equipment: 417 tons, 25,4%
Fuel, ammunition & stores: 249 tons, 15,1%
Miscellaneous weights: 10 tons, 0,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
293 lbs / 133 Kg = 4,7 x 5,0 " / 127 mm shells or 0,2 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 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,24
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0,440
Length to Beam Ratio: 10,93 : 1
'Natural speed' for length: 18,17 kts
Power going to wave formation at top speed: 69 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 28,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 23,62 ft / 7,20 m
- Forecastle (31%): 19,19 ft / 5,85 m (11,32 ft / 3,45 m aft of break)
- Mid (33%): 11,32 ft / 3,45 m
- Quarterdeck (15%): 11,32 ft / 3,45 m
- Stern: 11,32 ft / 3,45 m
- Average freeboard: 14,31 ft / 4,36 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 195,1%
- Above water (accommodation/working, high = better): 32,8%
Waterplane Area: 6.303 Square feet or 586 Square metres
Displacement factor (Displacement / loading): 54%
Structure weight / hull surface area: 30 lbs/sq ft or 145 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,20
- Overall: 0,57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor
Ship has slow, easy roll, a good, steady gun platform

After Rebuild:

Displacement:
1.380 t light; 1.445 t standard; 1.643 t normal; 1.802 t full load

Dimensions: Length overall / water x beam x draught
344,95 ft / 329,99 ft x 30,18 ft x 13,12 ft (normal load)
105,14 m / 100,58 m x 9,20 m x 4,00 m

Armament:
6 - 4,53" / 115 mm guns (3x2 guns), 46,40lbs / 21,05kg shells, 1938 Model
Dual purpose guns in deck mounts
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,89kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
6 - 0,79" / 20,0 mm guns (4 mounts), 0,24lbs / 0,11kg shells, 1938 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 288 lbs / 131 kg
Shells per gun, main battery: 200
5 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,18" / 30 mm 0,98" / 25 mm -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 45.576 shp / 34.000 Kw = 34,08 kts
Range 4.800nm at 15,00 kts
Bunker at max displacement = 356 tons

Complement:
128 - 167

Cost:
£1,129 million / $4,515 million

Distribution of weights at normal displacement:
Armament: 36 tons, 2,2%
Armour: 20 tons, 1,2%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 20 tons, 1,2%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 870 tons, 52,9%
Hull, fittings & equipment: 444 tons, 27,0%
Fuel, ammunition & stores: 264 tons, 16,0%
Miscellaneous weights: 10 tons, 0,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
340 lbs / 154 Kg = 7,3 x 4,5 " / 115 mm shells or 0,2 torpedoes
Stability (Unstable if below 1.00): 1,27
Metacentric height 1,3 ft / 0,4 m
Roll period: 11,2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,32
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0,440
Length to Beam Ratio: 10,93 : 1
'Natural speed' for length: 18,17 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 70
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: 25,92 ft / 7,90 m
- Forecastle (31%): 19,19 ft / 5,85 m (11,32 ft / 3,45 m aft of break)
- Mid (33%): 11,32 ft / 3,45 m
- Quarterdeck (15%): 11,32 ft / 3,45 m
- Stern: 11,32 ft / 3,45 m
- Average freeboard: 14,59 ft / 4,45 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 188,7%
- Above water (accommodation/working, high = better): 69,5%
Waterplane Area: 6.303 Square feet or 586 Square metres
Displacement factor (Displacement / loading): 58%
Structure weight / hull surface area: 31 lbs/sq ft or 152 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,45
- Overall: 0,58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

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6

Wednesday, February 9th 2005, 10:34am

Beagle , laid down 1926, sold to Mexico 1940
Beauceron , laid down 1926, sold to Mexico 1940
Berger Picard , laid down 1926, sold to Mexico 1940
Border Collie , laid down 1926, sold to Mexico 1940
Saint Bernard , laid down 1926, sold to Mexico 1940
Bobtail , laid down 1926, sold to Mexico 1940
Boxer , laid down 1927, sunk 02-06-35 (gunfire)
Bouvier , laid down 1927, sold to Mexico 1941
Briard , laid down 1927, sunk 19-07-35 (bomb)
Bullterrrier , laid down 1927, sold to Mexico 1941
Dalmatian , laid down 1927, sold to Mexico 1941
Deerhound , laid down 1927, sold to Mexico 1941



Displacement:
1.356 t light; 1.402 t standard (1.350 t officially); 1.607 t normal; 1.771 t full load

Dimensions: Length overall / water x beam x draught
359,19 ft / 344,49 ft x 32,48 ft x 13,12 ft (normal load)
109,48 m / 105,00 m x 9,90 m x 4,00 m

Armament:
3 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1926 Model
Breech loading guns in deck mounts
on centreline ends, majority aft, 1 raised mount aft
8 - 1,57" / 40,0 mm guns (2x4 guns), 1,95lbs / 0,88kg shells, 1924 Model
Breech loading guns in deck mounts
on side, all amidships
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1923 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 123 lbs / 56 kg
Shells per gun, main battery: 190
12 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm 0,39" / 10 mm -
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 40.000 shp / 29.840 Kw = 35,12 kts
Range 4.800nm at 15,00 kts
Bunker at max displacement = 368 tons

Complement:
126 - 164

Cost:
£0,645 million / $2,579 million

Distribution of weights at normal displacement:
Armament: 15 tons, 1,0%
Armour: 8 tons, 0,5%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 8 tons, 0,5%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 902 tons, 56,2%
Hull, fittings & equipment: 430 tons, 26,8%
Fuel, ammunition & stores: 251 tons, 15,6%
Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
312 lbs / 141 Kg = 8,8 x 4,1 " / 105 mm shells or 0,2 torpedoes
Stability (Unstable if below 1.00): 1,12
Metacentric height 1,1 ft / 0,3 m
Roll period: 12,7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,11
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0,383
Length to Beam Ratio: 10,61 : 1
'Natural speed' for length: 21,42 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 35,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21,00 ft / 6,40 m
- Forecastle (50%): 18,04 ft / 5,50 m
- Mid (50%): 18,04 ft / 5,50 m (10,17 ft / 3,10 m aft of break)
- Quarterdeck (10%): 10,17 ft / 3,10 m
- Stern: 10,17 ft / 3,10 m
- Average freeboard: 14,70 ft / 4,48 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 188,8%
- Above water (accommodation/working, high = better): 28,6%
Waterplane Area: 7.087 Square feet or 658 Square metres
Displacement factor (Displacement / loading): 60%
Structure weight / hull surface area: 29 lbs/sq ft or 144 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,09
- Overall: 0,57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor
Ship has slow, easy roll, a good, steady gun platform

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7

Thursday, March 31st 2005, 6:38pm

Kymatolege , laid down 1927, rebuild 1943
Kymo , laid down 1927, rebuild 1943
Kymodoke , laid down 1927, rebuild 1943
Kymothoe , laid down 1927, rebuild 1943
Laodameia , laid down 1927
Leiagora , laid down 1928
Lysianassa , laid down 1928
Melite , laid down 1928
Menippe , laid down 1928, rebuild 1943
Nesala , laid down 1928, rebuild 1943
Neso , laid down 1929
Panopeia , laid down 1929
Pasithea , laid down 1929
Pherusa , laid down 1929
Ploto , laid down 1929
Polynoe , laid down 1929

Original Data



Displacement:
1.613 t light; 1.678 t standard; 1.910 t normal; 2.096 t full load

Dimensions: Length overall / water x beam x draught
373,08 ft / 359,25 ft x 36,09 ft x 13,22 ft (normal load)
113,71 m / 109,50 m x 11,00 m x 4,03 m

Armament:
5 - 5,00" / 127 mm guns in single mounts, 62,50lbs / 28,35kg shells, 1927 Model
Breech loading guns in deck mounts
on centreline ends, majority forward, 2 raised mounts - superfiring
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1927 Model
Anti-aircraft guns in deck mounts
on side, all amidships
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1927 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 321 lbs / 146 kg
Shells per gun, main battery: 150
9 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm 0,59" / 15 mm -
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 43.325 shp / 32.321 Kw = 35,00 kts
Range 5.000nm at 15,00 kts
Bunker at max displacement = 418 tons

Complement:
143 - 187

Cost:
£0,846 million / $3,383 million

Distribution of weights at normal displacement:
Armament: 40 tons, 2,1%
Armour: 15 tons, 0,8%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 15 tons, 0,8%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 1.017 tons, 53,3%
Hull, fittings & equipment: 528 tons, 27,6%
Fuel, ammunition & stores: 298 tons, 15,6%
Miscellaneous weights: 12 tons, 0,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
434 lbs / 197 Kg = 6,9 x 5,0 " / 127 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,34
Metacentric height 1,8 ft / 0,6 m
Roll period: 11,2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,20
Seaboat quality (Average = 1.00): 1,02

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0,390
Length to Beam Ratio: 9,95 : 1
'Natural speed' for length: 21,97 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 69
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: 23,95 ft / 7,30 m
- Forecastle (45%): 18,54 ft / 5,65 m
- Mid (50%): 18,54 ft / 5,65 m (10,76 ft / 3,28 m aft of break)
- Quarterdeck (15%): 10,76 ft / 3,28 m
- Stern: 10,76 ft / 3,28 m
- Average freeboard: 15,62 ft / 4,76 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 188,6%
- Above water (accommodation/working, high = better): 67,3%
Waterplane Area: 8.238 Square feet or 765 Square metres
Displacement factor (Displacement / loading): 62%
Structure weight / hull surface area: 33 lbs/sq ft or 161 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,02
- Overall: 0,57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

After Rebuild

Displacement:
1.615 t light; 1.691 t standard; 1.928 t normal; 2.117 t full load

Dimensions: Length overall / water x beam x draught
378,07 ft / 362,53 ft x 36,09 ft x 13,22 ft (normal load)
115,23 m / 110,50 m x 11,00 m x 4,03 m

Armament:
6 - 4,53" / 115 mm guns (3x2 guns), 50,71lbs / 23,00kg shells, 1940 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 2,24" / 57,0 mm guns (2x2 guns), 5,65lbs / 2,56kg shells, 1942 Model
Automatic rapid fire guns in deck mounts with hoists
on side, all amidships, all raised mounts - superfiring
6 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1936 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 328 lbs / 149 kg
Shells per gun, main battery: 200
8 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm 0,39" / 10 mm 0,79" / 20 mm
2nd: 0,79" / 20 mm 0,39" / 10 mm 0,59" / 15 mm
3rd: 0,39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 44.000 shp / 32.824 Kw = 35,12 kts
Range 5.900nm at 15,00 kts
Bunker at max displacement = 426 tons

Complement:
145 - 189

Cost:
£0,803 million / $3,214 million

Distribution of weights at normal displacement:
Armament: 38 tons, 2,0%
Armour: 14 tons, 0,7%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 14 tons, 0,7%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 944 tons, 49,0%
Hull, fittings & equipment: 606 tons, 31,4%
Fuel, ammunition & stores: 313 tons, 16,2%
Miscellaneous weights: 12 tons, 0,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
478 lbs / 217 Kg = 10,3 x 4,5 " / 115 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,16
Metacentric height 1,4 ft / 0,4 m
Roll period: 12,7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,46
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0,390
Length to Beam Ratio: 10,05 : 1
'Natural speed' for length: 22,05 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 70
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: 26,90 ft / 8,20 m
- Forecastle (45%): 18,57 ft / 5,66 m
- Mid (50%): 18,57 ft / 5,66 m (10,76 ft / 3,28 m aft of break)
- Quarterdeck (15%): 10,76 ft / 3,28 m
- Stern: 10,76 ft / 3,28 m
- Average freeboard: 16,17 ft / 4,93 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 174,8%
- Above water (accommodation/working, high = better): 74,3%
Waterplane Area: 8.313 Square feet or 772 Square metres
Displacement factor (Displacement / loading): 74%
Structure weight / hull surface area: 36 lbs/sq ft or 178 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,22
- Overall: 0,58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

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8

Thursday, May 4th 2006, 9:27am

Pontoporeia , down 1930
Proto , down 1930
Protomedeia , down 1930
Sao , down 1930
Speio , down 1930
Themisto , down 1930
Pronoe , laid down 1930
Psamathe , laid down 1930
Thetis , down 1931
Thoe , down 1931
Thaleia , down 1931
Arethusa , down 1931
Albuneia , down 1931
Egeria , down 1931
Iuturna , laid down 1931
Kamena , laid down 1931



Displacement:
1.595 t light; 1.670 t standard; 1.910 t normal; 2.103 t full load

Dimensions: Length overall / water x beam x draught
374,94 ft / 359,25 ft x 36,09 ft x 13,22 ft (normal load)
114,28 m / 109,50 m x 11,00 m x 4,03 m

Armament:
5 - 5,00" / 127 mm guns in single mounts, 62,50lbs / 28,35kg shells, 1930 Model
Breech loading guns in deck mounts
on centreline ends, majority forward, 2 raised mounts - superfiring
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1930 Model
Anti-aircraft guns in deck mounts
on side, all amidships
4 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1930 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 321 lbs / 146 kg
Shells per gun, main battery: 200
8 - 21,0" / 533 mm above water torpedoes

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 44.000 shp / 32.824 Kw = 35,13 kts
Range 5.350nm at 15,00 kts
Bunker at max displacement = 433 tons

Complement:
143 - 187

Cost:
£0,964 million / $3,856 million

Distribution of weights at normal displacement:
Armament: 40 tons, 2,1%
Armour: 11 tons, 0,6%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 11 tons, 0,6%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 1.007 tons, 52,7%
Hull, fittings & equipment: 527 tons, 27,6%
Fuel, ammunition & stores: 315 tons, 16,5%
Miscellaneous weights: 10 tons, 0,5%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
446 lbs / 202 Kg = 7,1 x 5,0 " / 127 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,37
Metacentric height 1,9 ft / 0,6 m
Roll period: 11,1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,19
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0,390
Length to Beam Ratio: 9,95 : 1
'Natural speed' for length: 21,97 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 32,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25,10 ft / 7,65 m
- Forecastle (37%): 19,69 ft / 6,00 m (11,81 ft / 3,60 m aft of break)
- Mid (50%): 11,81 ft / 3,60 m
- Quarterdeck (15%): 11,81 ft / 3,60 m
- Stern: 11,81 ft / 3,60 m
- Average freeboard: 15,53 ft / 4,73 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 187,3%
- Above water (accommodation/working, high = better): 74,6%
Waterplane Area: 8.238 Square feet or 765 Square metres
Displacement factor (Displacement / loading): 63%
Structure weight / hull surface area: 33 lbs/sq ft or 161 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 1,99
- Overall: 0,57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

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Keeper of the Sacred Block Coefficient

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9

Saturday, October 14th 2006, 1:19pm

Naja , laid down 1932
Maticora , laid down 1932
Death Adder , laid down 1932
Black Adder , laid down 1932
Lachesis , laid down 1933
Monatheris , laid down 1933
Sidewinder , laid down 1934
Viper , laid down 1934



Displacement:
1.590 t light; 1.665 t standard; 1.907 t normal; 2.102 t full load

Dimensions: Length overall / water x beam x draught
374,94 ft / 359,25 ft x 35,60 ft x 13,39 ft (normal load)
114,28 m / 109,50 m x 10,85 m x 4,08 m

Armament:
5 - 5,00" / 127 mm guns in single mounts, 62,50lbs / 28,35kg shells, 1932 Model
Breech loading guns in deck mounts
on centreline ends, majority aft, 2 raised mounts - superfiring
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, all amidships
4 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 321 lbs / 146 kg
Shells per gun, main battery: 200
12 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm 0,59" / 15 mm -
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 44.000 shp / 32.824 Kw = 35,14 kts
Range 5.500nm at 15,00 kts
Bunker at max displacement = 437 tons

Complement:
143 - 187

Cost:
£1,037 million / $4,149 million

Distribution of weights at normal displacement:
Armament: 40 tons, 2,1%
Armour: 15 tons, 0,8%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 15 tons, 0,8%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 992 tons, 52,0%
Hull, fittings & equipment: 527 tons, 27,6%
Fuel, ammunition & stores: 317 tons, 16,6%
Miscellaneous weights: 17 tons, 0,9%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
426 lbs / 193 Kg = 6,8 x 5,0 " / 127 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,22
Metacentric height 1,5 ft / 0,5 m
Roll period: 12,1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,23
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0,390
Length to Beam Ratio: 10,09 : 1
'Natural speed' for length: 21,94 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 32,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25,10 ft / 7,65 m
- Forecastle (37%): 19,69 ft / 6,00 m (11,81 ft / 3,60 m aft of break)
- Mid (50%): 11,81 ft / 3,60 m
- Quarterdeck (15%): 11,81 ft / 3,60 m
- Stern: 11,81 ft / 3,60 m
- Average freeboard: 15,53 ft / 4,73 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 185,3%
- Above water (accommodation/working, high = better): 45,3%
Waterplane Area: 8.126 Square feet or 755 Square metres
Displacement factor (Displacement / loading): 65%
Structure weight / hull surface area: 33 lbs/sq ft or 160 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,04
- Overall: 0,57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor
Ship has slow, easy roll, a good, steady gun platform

8 TTs installed, misc weight and 4 TTs to sim reloads

HoOmAn

Keeper of the Sacred Block Coefficient

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10

Thursday, February 21st 2008, 12:00pm

Lizard , laid down 1935
Salamander , laid down 1935
Iguana , laid down 1936
Goanna , laid down 1936



Displacement:
1.211 t light; 1.269 t standard; 1.412 t normal; 1.527 t full load

Dimensions: Length overall / water x beam x draught
336,42 ft / 321,52 ft x 34,45 ft x 11,15 ft (normal load)
102,54 m / 98,00 m x 10,50 m x 3,40 m

Armament:
4 - 5,00" / 127 mm guns in single mounts, 62,50lbs / 28,35kg shells, 1935 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
8 - 0,79" / 20,0 mm guns (4x2 guns), 0,24lbs / 0,11kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 260 lbs / 118 kg
Shells per gun, main battery: 200
10 - 21,0" / 533 mm above water torpedoes

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 37.533 shp / 28.000 Kw = 34,82 kts
Range 4.000nm at 15,00 kts
Bunker at max displacement = 258 tons

Complement:
114 - 149

Cost:
£0,871 million / $3,483 million

Distribution of weights at normal displacement:
Armament: 32 tons, 2,3%
Armour: 14 tons, 1,0%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 14 tons, 1,0%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 724 tons, 51,3%
Hull, fittings & equipment: 425 tons, 30,1%
Fuel, ammunition & stores: 201 tons, 14,3%
Miscellaneous weights: 15 tons, 1,1%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
339 lbs / 154 Kg = 5,4 x 5,0 " / 127 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,08
Metacentric height 1,2 ft / 0,4 m
Roll period: 13,4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,27
Seaboat quality (Average = 1.00): 0,80

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0,400
Length to Beam Ratio: 9,33 : 1
'Natural speed' for length: 20,86 kts
Power going to wave formation at top speed: 71 %
Trim (Max stability = 0, Max steadiness = 100): 88
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: 22,97 ft / 7,00 m
- Forecastle (30%): 18,70 ft / 5,70 m
- Mid (50%): 10,83 ft / 3,30 m
- Quarterdeck (15%): 10,83 ft / 3,30 m
- Stern: 10,83 ft / 3,30 m
- Average freeboard: 14,49 ft / 4,42 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 184,8%
- Above water (accommodation/working, high = better): 54,9%
Waterplane Area: 7.076 Square feet or 657 Square metres
Displacement factor (Displacement / loading): 58%
Structure weight / hull surface area: 32 lbs/sq ft or 158 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,10
- Overall: 0,57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

HoOmAn

Keeper of the Sacred Block Coefficient

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11

Thursday, February 21st 2008, 12:11pm

Gecko , laid down 1936
Chameleon , laid down 1936
Anolis , laid down 1937
Snapper , laid down 1937



Displacement:
1.210 t light; 1.269 t standard; 1.412 t normal; 1.527 t full load

Dimensions: Length overall / water x beam x draught
336,42 ft / 321,52 ft x 34,45 ft x 11,15 ft (normal load)
102,54 m / 98,00 m x 10,50 m x 3,40 m

Armament:
4 - 5,00" / 127 mm guns in single mounts, 62,50lbs / 28,35kg shells, 1935 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
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
6 - 0,79" / 20,0 mm guns (1x6 guns), 0,24lbs / 0,11kg shells, 1935 Model
Machine guns in deck mount
on centreline amidships, all raised guns - superfiring
Weight of broadside 261 lbs / 118 kg
Shells per gun, main battery: 200
5 - 21,0" / 533 mm above water torpedoes

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 37.533 shp / 28.000 Kw = 34,82 kts
Range 4.000nm at 15,00 kts
Bunker at max displacement = 258 tons

Complement:
114 - 149

Cost:
£0,872 million / $3,487 million

Distribution of weights at normal displacement:
Armament: 33 tons, 2,3%
Armour: 14 tons, 1,0%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 14 tons, 1,0%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 725 tons, 51,3%
Hull, fittings & equipment: 428 tons, 30,3%
Fuel, ammunition & stores: 202 tons, 14,3%
Miscellaneous weights: 10 tons, 0,7%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
356 lbs / 162 Kg = 5,7 x 5,0 " / 127 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,17
Metacentric height 1,3 ft / 0,4 m
Roll period: 12,5 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0,25
Seaboat quality (Average = 1.00): 0,81

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0,400
Length to Beam Ratio: 9,33 : 1
'Natural speed' for length: 20,86 kts
Power going to wave formation at top speed: 71 %
Trim (Max stability = 0, Max steadiness = 100): 88
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: 22,97 ft / 7,00 m
- Forecastle (30%): 18,70 ft / 5,70 m
- Mid (50%): 10,83 ft / 3,30 m
- Quarterdeck (15%): 10,83 ft / 3,30 m
- Stern: 10,83 ft / 3,30 m
- Average freeboard: 14,49 ft / 4,42 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 184,7%
- Above water (accommodation/working, high = better): 99,9%
Waterplane Area: 7.076 Square feet or 657 Square metres
Displacement factor (Displacement / loading): 58%
Structure weight / hull surface area: 33 lbs/sq ft or 160 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,12
- Overall: 0,58
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
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

HoOmAn

Keeper of the Sacred Block Coefficient

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12

Wednesday, July 7th 2010, 2:32pm

Shark , laid down 1938
Pike , laid down 1938
Perch , laid down 1938
Piranha , laid down 1938
Albacore , laid down 1938
Barracuda , laid down 1939
Trout , laid down 1939
Mackerel , laid down 1939



Displacement:
1.428 t light; 1.495 t standard; 1.731 t normal; 1.920 t full load

Dimensions: Length overall / water x beam x draught
369,48 ft / 352,69 ft x 32,81 ft x 12,47 ft (normal load)
112,62 m / 107,50 m x 10,00 m x 3,80 m

Armament:
6 - 4,53" / 115 mm guns (3x2 guns), 46,40lbs / 21,05kg shells, 1938 Model
Dual purpose guns in deck mounts
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on centreline, all aft, all raised mounts - superfiring
4 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 287 lbs / 130 kg
Shells per gun, main battery: 200
5 - 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: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 42.896 shp / 32.000 Kw = 35,19 kts
Range 6.000nm at 15,00 kts
Bunker at max displacement = 425 tons

Complement:
133 - 174

Cost:
£1,151 million / $4,604 million

Distribution of weights at normal displacement:
Armament: 36 tons, 2,1%
Armour: 17 tons, 1,0%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 17 tons, 1,0%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 886 tons, 51,2%
Hull, fittings & equipment: 478 tons, 27,6%
Fuel, ammunition & stores: 303 tons, 17,5%
Miscellaneous weights: 10 tons, 0,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
405 lbs / 183 Kg = 8,7 x 4,5 " / 115 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,34
Metacentric height 1,6 ft / 0,5 m
Roll period: 11,0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,22
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0,420
Length to Beam Ratio: 10,75 : 1
'Natural speed' for length: 21,53 kts
Power going to wave formation at top speed: 69 %
Trim (Max stability = 0, Max steadiness = 100): 70
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: 26,25 ft / 8,00 m
- Forecastle (40%): 18,70 ft / 5,70 m (10,66 ft / 3,25 m aft of break)
- Mid (50%): 10,66 ft / 3,25 m
- Quarterdeck (15%): 10,66 ft / 3,25 m
- Stern: 10,66 ft / 3,25 m
- Average freeboard: 15,09 ft / 4,60 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 182,2%
- Above water (accommodation/working, high = better): 80,4%
Waterplane Area: 7.489 Square feet or 696 Square metres
Displacement factor (Displacement / loading): 65%
Structure weight / hull surface area: 31 lbs/sq ft or 152 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,07
- Overall: 0,58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform