Destroyers

[Tanthalas]

Italia DD-1905, Italia Destroyer laid down 1905
[DD 01 thru DD34 are of this Class of Ships][DD 18, and DD 21 Sunk]

Displacement:
   758 t light; 787 t standard; 870 t normal; 937 t full load

Dimensions: Length overall / water x beam x draught
   280.00 ft / 280.00 ft x 24.00 ft x 10.00 ft (normal load)
   85.34 m / 85.34 m x 7.32 m  x 3.05 m

Armament:
     4 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1905 Model
     Breech loading guns in deck mounts
     on centreline ends, evenly spread, 2 raised mounts - superfiring
     8 - 0.75" / 19.1 mm guns (4x2 guns), 0.21lbs / 0.10kg shells, 1905 Model
     Breech loading guns in deck mounts
     on side, all amidships
   Weight of broadside 130 lbs / 59 kg
   Shells per gun, main battery: 150
   6 - 20.0" / 508 mm above water torpedoes

Armour:
  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.35" / 9 mm   0.35" / 9 mm            -
   2nd:   0.35" / 9 mm   0.35" / 9 mm            -

Machinery:
   Coal fired boilers, steam turbines,
   Direct drive, 3 shafts, 12,350 shp / 9,213 Kw = 27.00 kts
   Range 2,200nm at 10.00 kts
   Bunker at max displacement = 150 tons (100% coal)

Complement:
   79 - 104

Cost:
   £0.107 million / $0.426 million

Distribution of weights at normal displacement:
   Armament: 16 tons, 1.9 %
   Armour: 5 tons, 0.6 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 5 tons, 0.6 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 474 tons, 54.5 %
   Hull, fittings & equipment: 234 tons, 26.9 %
   Fuel, ammunition & stores: 112 tons, 12.8 %
   Miscellaneous weights: 28 tons, 3.2 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     189 lbs / 86 Kg = 5.9 x 4.0 " / 102 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.18
   Metacentric height 0.8 ft / 0.2 m
   Roll period: 11.3 seconds
   Steadiness   - As gun platform (Average = 50 %): 99 %
         - Recoil effect (Restricted arc if above 1.00): 0.50
   Seaboat quality  (Average = 1.00): 1.62

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0.453
   Length to Beam Ratio: 11.67 : 1
   'Natural speed' for length: 16.73 kts
   Power going to wave formation at top speed: 61 %
   Trim (Max stability = 0, Max steadiness = 100): 61
   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:      18.00 ft / 5.49 m
      - Forecastle (20 %):   18.00 ft / 5.49 m
      - Mid (30 %):      18.00 ft / 5.49 m (10.00 ft / 3.05 m aft of break)
      - Quarterdeck (15 %):   10.00 ft / 3.05 m
      - Stern:      10.00 ft / 3.05 m
      - Average freeboard:   12.40 ft / 3.78 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 193.6 %
      - Above water (accommodation/working, high = better): 51.4 %
   Waterplane Area: 4,297 Square feet or 399 Square metres
   Displacement factor (Displacement / loading): 39 %
   Structure weight / hull surface area: 23 lbs/sq ft or 112 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 2.46
      - 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
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

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DD 1905, Italia Enter ship type laid down 1905/Refurbished in 1916.
[DD 2,5,8,11,14,17,20,23,26,31,34 HY 1 1916]

Displacement:
   758 t light; 786 t standard; 870 t normal; 937 t full load

Dimensions: Length overall / water x beam x draught
   280.00 ft / 280.00 ft x 24.00 ft x 10.00 ft (normal load)
   85.34 m / 85.34 m x 7.32 m  x 3.05 m

Armament:
     4 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1905 Model
     Breech loading guns in deck mounts
     on centreline ends, evenly spread
     8 - 0.75" / 19.1 mm guns in single mounts, 0.21lbs / 0.10kg shells, 1905 Model
     Breech loading guns in deck mounts
     on side, all amidships
   Weight of broadside 130 lbs / 59 kg
   Shells per gun, main battery: 150
   6 - 20.0" / 508 mm above water torpedoes

Armour:
  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.35" / 9 mm         -               -
   2nd:   0.35" / 9 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 3 shafts, 12,347 shp / 9,211 Kw = 27.00 kts
                Trial Speed: 28.5 Knts.
   Range 3,100nm at 10.00 kts
   Bunker at max displacement = 151 tons

Complement:
   79 - 104

Cost:
   £0.105 million / $0.420 million

Distribution of weights at normal displacement:
   Armament: 16 tons, 1.9 %
   Armour: 4 tons, 0.4 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 4 tons, 0.4 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 464 tons, 53.3 %
   Hull, fittings & equipment: 245 tons, 28.2 %
   Fuel, ammunition & stores: 112 tons, 12.9 %
   Miscellaneous weights: 28 tons, 3.2 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     221 lbs / 100 Kg = 6.9 x 4.0 " / 102 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.28
   Metacentric height 0.9 ft / 0.3 m
   Roll period: 10.6 seconds
   Steadiness   - As gun platform (Average = 50 %): 86 %
         - Recoil effect (Restricted arc if above 1.00): 0.39
   Seaboat quality  (Average = 1.00): 1.72

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0.453
   Length to Beam Ratio: 11.67 : 1
   'Natural speed' for length: 16.73 kts
   Power going to wave formation at top speed: 61 %
   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:      18.00 ft / 5.49 m
      - Forecastle (20 %):   16.20 ft / 4.94 m
      - Mid (50 %):      16.20 ft / 4.94 m (9.00 ft / 2.74 m aft of break)
      - Quarterdeck (15 %):   9.00 ft / 2.74 m
      - Stern:      9.00 ft / 2.74 m
      - Average freeboard:   12.74 ft / 3.88 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 189.8 %
      - Above water (accommodation/working, high = better): 56.4 %
   Waterplane Area: 4,297 Square feet or 399 Square metres
   Displacement factor (Displacement / loading): 43 %
   Structure weight / hull surface area: 23 lbs/sq ft or 114 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 2.81
      - Overall: 0.59
   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
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Short range Radio
4T Crew Comfort
12T Torpedoes
12T Depth Charge Racks and Depth Charges
Cost of Refurbishment is $ 0.722

[Tanthalas]

Italia DD-1908, Italia Destroyer laid down 1908 (Engine 1905)
[DD 35 thur DD 39 are of this class of ship]

Displacement:
   1,000 t light; 1,042 t standard; 1,160 t normal; 1,254 t full load

Dimensions: Length overall / water x beam x draught
   309.20 ft / 304.00 ft x 26.00 ft x 10.00 ft (normal load)
   94.24 m / 92.66 m x 7.92 m  x 3.05 m

Armament:
      5 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1908 Model
     Quick firing guns in deck mounts
     on centreline ends, majority aft, 2 raised mounts - superfiring
      8 - 0.75" / 19.1 mm guns (4x2 guns), 0.21lbs / 0.10kg shells, 1908 Model
     Machine guns in deck mounts
     on side, all amidships
   Weight of broadside 162 lbs / 73 kg
   Shells per gun, main battery: 200
   6 - 20.0" / 508 mm above water torpedoes

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

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 19,768 shp / 14,747 Kw = 29.00 kts
   Range 3,000nm at 11.00 kts
   Bunker at max displacement = 213 tons

Complement:
   99 - 129

Cost:
   £0.148 million / $0.593 million

Distribution of weights at normal displacement:
   Armament: 20 tons, 1.7 %
   Armour: 9 tons, 0.8 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 9 tons, 0.8 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 688 tons, 59.3 %
   Hull, fittings & equipment: 255 tons, 22.0 %
   Fuel, ammunition & stores: 160 tons, 13.8 %
   Miscellaneous weights: 28 tons, 2.4 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     204 lbs / 92 Kg = 6.4 x 4.0 " / 102 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.34
   Metacentric height 1.1 ft / 0.3 m
   Roll period: 10.4 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.28
   Seaboat quality  (Average = 1.00): 1.07

Hull form characteristics:
   Hull has raised forecastle, rise forward of midbreak
   Block coefficient: 0.514
   Length to Beam Ratio: 11.69 : 1
   'Natural speed' for length: 17.44 kts
   Power going to wave formation at top speed: 65 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 17.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      17.00 ft / 5.18 m
      - Forecastle (15 %):   17.00 ft / 5.18 m (10.00 ft / 3.05 m aft of break)
      - Mid (30 %):      17.00 ft / 5.18 m (10.00 ft / 3.05 m aft of break)
      - Quarterdeck (15 %):   10.00 ft / 3.05 m
      - Stern:      10.00 ft / 3.05 m
      - Average freeboard:   11.58 ft / 3.53 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 207.5 %
      - Above water (accommodation/working, high = better): 58.0 %
   Waterplane Area: 5,333 Square feet or 495 Square metres
   Displacement factor (Displacement / loading): 36 %
   Structure weight / hull surface area: 24 lbs/sq ft or 116 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 1.30
      - Overall: 0.54
   Hull space for machinery, storage, compartmentation is extremely poor
   Room for accommodation and workspaces is cramped
   Ship has slow, easy roll, a good, steady gun platform

24 in service

[Tanthalas]

Italia-DD-1909, Italia Destroyer laid down 1909

Displacement:
   1,000 t light; 1,040 t standard; 1,210 t normal; 1,346 t full load
[DD 40 thru DD 58 are of this class of ship]

Dimensions: Length overall / water x beam x draught
   333.00 ft / 323.00 ft x 26.92 ft x 9.00 ft (normal load)
   101.50 m / 98.45 m x 8.21 m  x 2.74 m

Armament:
      4 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1909 Model
     Quick firing guns in deck mounts
     on centreline ends, evenly spread, 2 raised mounts - superfiring
   Weight of broadside 250 lbs / 113 kg
   Shells per gun, main battery: 120
   6 - 20.0" / 508 mm above water torpedoes

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

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 22,957 shp / 17,126 Kw = 30.00 kts
   Range 4,400nm at 12.00 kts
   Bunker at max displacement = 305 tons

Complement:
   102 - 133

Cost:
   £0.149 million / $0.596 million

Distribution of weights at normal displacement:
   Armament: 31 tons, 2.6 %
   Armour: 8 tons, 0.7 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 8 tons, 0.7 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 627 tons, 51.8 %
   Hull, fittings & equipment: 308 tons, 25.5 %
   Fuel, ammunition & stores: 210 tons, 17.4 %
   Miscellaneous weights: 25 tons, 2.1 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     288 lbs / 131 Kg = 4.6 x 5.0 " / 127 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.39
   Metacentric height 1.2 ft / 0.4 m
   Roll period: 10.1 seconds
   Steadiness   - As gun platform (Average = 50 %): 81 %
         - Recoil effect (Restricted arc if above 1.00): 0.52
   Seaboat quality  (Average = 1.00): 1.39

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0.541
   Length to Beam Ratio: 12.00 : 1
   'Natural speed' for length: 17.97 kts
   Power going to wave formation at top speed: 65 %
   Trim (Max stability = 0, Max steadiness = 100): 58
   Bow angle (Positive = bow angles forward): 24.45 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      22.00 ft / 6.71 m
      - Forecastle (20 %):   18.00 ft / 5.49 m
      - Mid (40 %):      18.00 ft / 5.49 m (11.00 ft / 3.35 m aft of break)
      - Quarterdeck (15 %):   11.00 ft / 3.35 m
      - Stern:      11.00 ft / 3.35 m
      - Average freeboard:   14.12 ft / 4.30 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 188.7 %
      - Above water (accommodation/working, high = better): 84.1 %
   Waterplane Area: 6,018 Square feet or 559 Square metres
   Displacement factor (Displacement / loading): 51 %
   Structure weight / hull surface area: 23 lbs/sq ft or 112 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.49
      - Longitudinal: 1.99
      - Overall: 0.50
   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
   Good seaboat, rides out heavy weather easily


12 in service

[ctwaterman]

DD-59 thru DD-64
Francesco Crispi, Italia Destroyer laid down 1913 (Engine 1912)

Displacement:
   997 t light; 1,045 t standard; 1,104 t normal; 1,152 t full load

Dimensions: Length overall / water x beam x draught
   279.18 ft / 278.54 ft x 28.35 ft x 8.77 ft (normal load)
   85.10 m / 84.90 m x 8.64 m  x 2.67 m

Armament:
      4 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1910 Model
     Breech loading guns in deck mounts
     on centreline ends, evenly spread, all raised mounts - superfiring
      2 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1910 Model
     Quick firing guns in deck mounts
     on side, all amidships, all raised mounts - superfiring
      2 - 0.75" / 19.1 mm guns in single mounts, 0.21lbs / 0.10kg shells, 1910 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 277 lbs / 126 kg
   Shells per gun, main battery: 160
   9 - 21.0" / 533.4 mm above water torpedoes

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 23,358 shp / 17,425 Kw = 29.58 kts
   Range 2,700nm at 10.00 kts
   Bunker at max displacement = 107 tons

Complement:
   95 - 124

Cost:
   £0.154 million / $0.614 million

Distribution of weights at normal displacement:
   Armament: 35 tons, 3.1 %
   Machinery: 548 tons, 49.6 %
   Hull, fittings & equipment: 374 tons, 33.8 %
   Fuel, ammunition & stores: 107 tons, 9.7 %
   Miscellaneous weights: 41 tons, 3.7 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     327 lbs / 148 Kg = 5.2 x 5.0 " / 127 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.04
   Metacentric height 0.8 ft / 0.3 m
   Roll period: 13.1 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0.88
   Seaboat quality  (Average = 1.00): 1.09

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.558
   Length to Beam Ratio: 9.83 : 1
   'Natural speed' for length: 16.69 kts
   Power going to wave formation at top speed: 71 %
   Trim (Max stability = 0, Max steadiness = 100): 65
   Bow angle (Positive = bow angles forward): 2.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      18.37 ft / 5.60 m
      - Forecastle (25 %):   16.40 ft / 5.00 m
      - Mid (65 %):      16.40 ft / 5.00 m
      - Quarterdeck (35 %):   11.75 ft / 3.58 m
      - Stern:      11.75 ft / 3.58 m
      - Average freeboard:   14.97 ft / 4.56 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 188.3 %
      - Above water (accommodation/working, high = better): 39.2 %
   Waterplane Area: 5,552 Square feet or 516 Square metres
   Displacement factor (Displacement / loading): 51 %
   Structure weight / hull surface area: 31 lbs/sq ft or 150 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 3.78
      - Overall: 0.61
   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

22T Mines
9T = 9 21" Torpedoes
10T Short Range Wireless

[ctwaterman]

CL 1913, Italia Italia DDL laid down 1913 (Engine 1912)

Displacement:
   2,992 t light; 3,123 t standard; 3,395 t normal; 3,613 t full load

Dimensions: Length overall / water x beam x draught
   379.67 ft / 379.67 ft x 36.62 ft x 18.50 ft (normal load)
   115.72 m / 115.72 m x 11.16 m  x 5.64 m

Armament:
      4 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1913 Model
     Breech loading guns in deck mounts with hoists
     on centreline ends, evenly spread
      8 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1913 Model
     Breech loading guns in deck mounts with hoists
     on side, all amidships
      8 - 1.06" / 27.0 mm guns (4x2 guns), 0.60lbs / 0.27kg shells, 1913 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 693 lbs / 314 kg
   Shells per gun, main battery: 150
   6 - 21.0" / 533.4 mm above water torpedoes

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 38,673 shp / 28,850 Kw = 29.80 kts
   Range 4,300nm at 12.00 kts
   Bunker at max displacement = 490 tons

Complement:
   222 - 289

Cost:
   £0.417 million / $1.669 million

Distribution of weights at normal displacement:
   Armament: 87 tons, 2.6 %
   Machinery: 1,464 tons, 43.1 %
   Hull, fittings & equipment: 1,230 tons, 36.2 %
   Fuel, ammunition & stores: 404 tons, 11.9 %
   Miscellaneous weights: 211 tons, 6.2 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,252 lbs / 568 Kg = 11.6 x 6.0 " / 152 mm shells or 0.4 torpedoes
   Stability (Unstable if below 1.00): 1.00
   Metacentric height 1.1 ft / 0.3 m
   Roll period: 14.6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.92
   Seaboat quality  (Average = 1.00): 1.00

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0.462
   Length to Beam Ratio: 10.37 : 1
   'Natural speed' for length: 19.49 kts
   Power going to wave formation at top speed: 62 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): -5.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      20.00 ft / 6.10 m
      - Forecastle (20 %):   18.00 ft / 5.49 m
      - Mid (40 %):      18.00 ft / 5.49 m (11.64 ft / 3.55 m aft of break)
      - Quarterdeck (15 %):   11.64 ft / 3.55 m
      - Stern:      11.64 ft / 3.55 m
      - Average freeboard:   14.34 ft / 4.37 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 165.7 %
      - Above water (accommodation/working, high = better): 73.4 %
   Waterplane Area: 8,958 Square feet or 832 Square metres
   Displacement factor (Displacement / loading): 85 %
   Structure weight / hull surface area: 69 lbs/sq ft or 335 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.90
      - Longitudinal: 2.46
      - Overall: 1.00
   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

100T Fire Control
25T   Wireless
6T     Torpedoes   
43T  Mine laying Equipment

[ctwaterman]

Destroyer, Italia DD 1916 laid down 1916 (Engine 1912)
DDL-02,DDL-03, DDL-04
Displacement:
   1,502 t light; 1,582 t standard; 1,798 t normal; 1,972 t full load

Dimensions: Length overall / water x beam x draught
   379.90 ft / 370.10 ft x 35.11 ft x 8.65 ft (normal load)
   115.79 m / 112.81 m x 10.70 m  x 2.64 m

Armament:
     4 - 5.00" / 127 mm guns in single mounts, 55.00lbs / 24.95kg shells, 1916 Model
     Breech loading guns in deck mounts
     on centreline ends, evenly spread
     2 - 5.00" / 127 mm guns in single mounts, 55.00lbs / 24.95kg shells, 1916 Model
     Breech loading guns in deck mounts
     on side, all amidships
     8 - 1.00" / 25.4 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1916 Model
     Breech loading guns in deck mounts
     on side, evenly spread
   Weight of broadside 334 lbs / 151 kg
   Shells per gun, main battery: 220
   6 - 21.0" / 533.4 mm above water torpedoes

Armour:
  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.75" / 19 mm         -               -
   2nd:   0.75" / 19 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 29,613 shp / 22,092 Kw = 30.25 kts
   Range 3,500nm at 14.00 kts
   Bunker at max displacement = 390 tons

Complement:
   137 - 179

Cost:
   £0.354 million / $1.414 million

Distribution of weights at normal displacement:
   Armament: 47 tons, 2.6 %
   Armour: 13 tons, 0.7 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 13 tons, 0.7 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 884 tons, 49.1 %
   Hull, fittings & equipment: 483 tons, 26.9 %
   Fuel, ammunition & stores: 297 tons, 16.5 %
   Miscellaneous weights: 75 tons, 4.2 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     542 lbs / 246 Kg = 8.7 x 5.0 " / 127 mm shells or 0.3 torpedoes
   Stability (Unstable if below 1.00): 1.44
   Metacentric height 2.0 ft / 0.6 m
   Roll period: 10.6 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0.23
   Seaboat quality  (Average = 1.00): 1.14

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.560
   Length to Beam Ratio: 10.54 : 1
   'Natural speed' for length: 19.24 kts
   Power going to wave formation at top speed: 64 %
   Trim (Max stability = 0, Max steadiness = 100): 62
   Bow angle (Positive = bow angles forward): 12.00 degrees
   Stern overhang: 5.00 ft / 1.52 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      22.58 ft / 6.88 m
      - Forecastle (20 %):   14.50 ft / 4.42 m
      - Mid (50 %):      14.50 ft / 4.42 m
      - Quarterdeck (20 %):   14.50 ft / 4.42 m
      - Stern:      14.50 ft / 4.42 m
      - Average freeboard:   15.15 ft / 4.62 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 183.9 %
      - Above water (accommodation/working, high = better): 125.8 %
   Waterplane Area: 9,154 Square feet or 850 Square metres
   Displacement factor (Displacement / loading): 64 %
   Structure weight / hull surface area: 30 lbs/sq ft or 145 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 1.33
      - Overall: 0.55
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform

25T Firecontrol
25T Long Range Wireless
12T Torpedos
13T For Depth Charges

[ctwaterman]

DD-1920, Italia Destroyer laid down 1920

Displacement:
   1,500 t light; 1,565 t standard; 1,665 t normal; 1,744 t full load

Dimensions: Length overall / water x beam x draught
   315.58 ft / 314.96 ft x 29.53 ft x 14.27 ft (normal load)
   96.19 m / 96.00 m x 9.00 m  x 4.35 m

Armament:
     5 - 5.00" / 127 mm guns (5 mounts), 62.50lbs / 28.35kg shells, 1920 Model
     Quick firing guns in deck mounts
     on centreline ends, evenly spread, 2 raised mounts - superfiring
     4 - 0.98" / 25.0 mm guns (2x2 guns), 0.48lbs / 0.22kg shells, 1920 Model
     Quick firing guns in deck mounts
     on side, all amidships, all raised mounts - superfiring
     4 - 0.52" / 13.1 mm guns in single mounts, 0.07lbs / 0.03kg shells, 1920 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 315 lbs / 143 kg
   Shells per gun, main battery: 180
   9 - 21.0" / 533.4 mm above water torpedoes

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 41,378 shp / 30,868 Kw = 33.00 kts
                Trial Speed: 33.5 Knots
   Range 3,200nm at 12.00 kts
   Bunker at max displacement = 179 tons

Complement:
   129 - 169

Cost:
   £0.507 million / $2.026 million

Distribution of weights at normal displacement:
   Armament: 39 tons, 2.4 %
   Machinery: 920 tons, 55.2 %
   Hull, fittings & equipment: 466 tons, 28.0 %
   Fuel, ammunition & stores: 164 tons, 9.9 %
   Miscellaneous weights: 75 tons, 4.5 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     337 lbs / 153 Kg = 5.4 x 5.0 " / 127 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.07
   Metacentric height 0.9 ft / 0.3 m
   Roll period: 13.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 60 %
         - Recoil effect (Restricted arc if above 1.00): 0.58
   Seaboat quality  (Average = 1.00): 0.90

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.439
   Length to Beam Ratio: 10.67 : 1
   'Natural speed' for length: 17.75 kts
   Power going to wave formation at top speed: 69 %
   Trim (Max stability = 0, Max steadiness = 100): 67
   Bow angle (Positive = bow angles forward): 2.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      17.72 ft / 5.40 m
      - Forecastle (25 %):   15.75 ft / 4.80 m
      - Mid (65 %):      15.75 ft / 4.80 m
      - Quarterdeck (35 %):   9.51 ft / 2.90 m
      - Stern:      9.51 ft / 2.90 m
      - Average freeboard:   13.76 ft / 4.20 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 201.4 %
      - Above water (accommodation/working, high = better): 45.6 %
   Waterplane Area: 5,880 Square feet or 546 Square metres
   Displacement factor (Displacement / loading): 51 %
   Structure weight / hull surface area: 35 lbs/sq ft or 172 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.52
      - Longitudinal: 2.67
      - Overall: 0.61
   Hull space for machinery, storage, compartmentation is extremely poor
   Room for accommodation and workspaces is extremely poor
   Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

18T = 9 21" Torpedoes
0T= 1912 Fire Control
4T= 4 Side Depth Charge Mortars
40T = 120 Depth Charges
3T Hydrophones
10T Crew Comfort