Destroyers

[Darman]

List of Commissioned Destroyer Classes

Akikaze-class Torpedo Boat Destroyer (1895)
       #9501
       #9502
       #9503
       #9504
       #9505
       #9506
       #9507
       #9508
       #9509
       #9510
       #9511
       #9512
       #9513
       #9514
       #9515
Kamikaze-class Torpedo Boat Destroyer (1898)
       #9801
       #9802
       #9803
       #9804
       #9805
       #9806
       #9807
       #9808
       #9809
       #9810
       #9811
       #9812
       #9813
       #9814
       #9815
       #9816
       #9817
       #9818
       #9819
       #9820

[Darman]

Akikaze, Empire of Japan Torpedo Boat Destroyer laid down 1895

Displacement:
   499 t light; 513 t standard; 583 t normal; 639 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (220.00 ft / 220.00 ft) x 20.00 ft x (9.75 / 10.43 ft)
   (67.06 m / 67.06 m) x 6.10 m  x (2.97 / 3.18 m)

Armament:
      1 - 3.00" / 76.2 mm 40.0 cal gun - 12.94lbs / 5.87kg shells, 100 per gun
     Quick firing gun in deck mount, 1895 Model
     1 x Single mount on centreline, aft deck aft
      2 - 1.85" / 47.0 mm 45.0 cal guns - 3.19lbs / 1.45kg shells, 250 per gun
     Breech loading guns in deck mounts, 1895 Model
     2 x Single mounts on centreline, forward evenly spread
      1 raised mount
      Weight of broadside 19 lbs / 9 kg
      2 - 17.0" / 432 mm, 18.00 ft / 5.49 m torpedoes - 0.491 t each, 0.983 t total
   In 2 sets of deck mounted carriage/fixed tubes

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1.00" / 25 mm         -               -
   2nd:   0.75" / 19 mm         -               -

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 7,100 ihp / 5,296 Kw = 24.25 kts
   Range 2,500nm at 10.00 kts
   Bunker at max displacement = 125 tons (100% coal)
     Caution: Delicate, lightweight machinery

Complement:
   59 - 77

Cost:
   £0.066 million / $0.266 million

Distribution of weights at normal displacement:
   Armament: 4 tons, 0.8 %
      - Guns: 3 tons, 0.6 %
      - Torpedoes: 1 tons, 0.2 %
   Armour: 6 tons, 1.0 %
      - Armament: 6 tons, 1.0 %
   Machinery: 343 tons, 58.9 %
   Hull, fittings & equipment: 142 tons, 24.3 %
   Fuel, ammunition & stores: 84 tons, 14.4 %
   Miscellaneous weights: 4 tons, 0.7 %
      - Hull above water: 2 tons
      - On freeboard deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     139 lbs / 63 Kg = 10.3 x 3.0 " / 76 mm shells or 0.1 torpedoes
   Stability (Unstable if below 1.00): 1.45
   Metacentric height 0.8 ft / 0.3 m
   Roll period: 9.1 seconds
   Steadiness   - As gun platform (Average = 50 %): 77 %
         - Recoil effect (Restricted arc if above 1.00): 0.09
   Seaboat quality  (Average = 1.00): 1.55

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.476 / 0.487
   Length to Beam Ratio: 11.00 : 1
   'Natural speed' for length: 14.83 kts
   Power going to wave formation at top speed: 64 %
   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 (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  13.00 ft / 3.96 m,  10.38 ft / 3.16 m
      - Forward deck:   30.00 %,  10.38 ft / 3.16 m,  10.38 ft / 3.16 m
      - Aft deck:   35.00 %,  10.38 ft / 3.16 m,  10.38 ft / 3.16 m
      - Quarter deck:   15.00 %,  10.38 ft / 3.16 m,  10.38 ft / 3.16 m
      - Average freeboard:      10.59 ft / 3.23 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 192.0 %
      - Above water (accommodation/working, high = better): 94.4 %
   Waterplane Area: 2,868 Square feet or 266 Square metres
   Displacement factor (Displacement / loading): 24 %
   Structure weight / hull surface area: 20 lbs/sq ft or 98 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 2.85
      - Overall: 0.59
   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
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Misc. Weight
2t on deck for 2 torpedoes. 
2t in hull above water as reloads. 
Trial Speed: 27kn

Ranges:
@10 knots: 2,500nm
@12 knots: 1,600nm
@14 knots: 1,100nm
@16 knots: 760nm

[Darman]

Kamikaze, Empire of Japan Torpedo Boat Destroyer laid down 1898

Displacement:
   499 t light; 514 t standard; 580 t normal; 633 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (220.00 ft / 220.00 ft) x 20.75 ft x (9.75 / 10.38 ft)
   (67.06 m / 67.06 m) x 6.32 m  x (2.97 / 3.16 m)

Armament:
      1 - 3.00" / 76.2 mm 40.0 cal gun - 12.94lbs / 5.87kg shells, 100 per gun
     Quick firing gun in deck mount, 1898 Model
     1 x Single mount on centreline, forward deck forward
      7 - 1.85" / 47.0 mm 40.0 cal guns - 3.04lbs / 1.38kg shells, 150 per gun
     Quick firing guns in deck mounts, 1898 Model
     6 x Single mounts on sides, evenly spread
     1 x Single mount on centreline, aft deck aft
      1 raised mount
      Weight of broadside 34 lbs / 16 kg
      2 - 14.0" / 356 mm, 14.00 ft / 4.27 m torpedoes - 0.303 t each, 0.605 t total
   In 2 sets of deck mounted carriage/fixed tubes

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.75" / 19 mm         -               -
   2nd:   0.33" / 8 mm         -               -

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 7,351 ihp / 5,484 Kw = 24.50 kts
   Range 2,500nm at 10.00 kts
   Bunker at max displacement = 119 tons (100% coal)
     Caution: Delicate, lightweight machinery

Complement:
   58 - 76

Cost:
   £0.067 million / $0.267 million

Distribution of weights at normal displacement:
   Armament: 7 tons, 1.2 %
      - Guns: 6 tons, 1.1 %
      - Torpedoes: 1 tons, 0.1 %
   Armour: 7 tons, 1.2 %
      - Armament: 7 tons, 1.2 %
   Machinery: 340 tons, 58.6 %
   Hull, fittings & equipment: 141 tons, 24.4 %
   Fuel, ammunition & stores: 81 tons, 13.9 %
   Miscellaneous weights: 4 tons, 0.7 %
      - Hull above water: 2 tons
      - On freeboard deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     142 lbs / 64 Kg = 10.5 x 3.0 " / 76 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.46
   Metacentric height 0.9 ft / 0.3 m
   Roll period: 9.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 78 %
         - Recoil effect (Restricted arc if above 1.00): 0.14
   Seaboat quality  (Average = 1.00): 1.55

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.456 / 0.467
   Length to Beam Ratio: 10.60 : 1
   'Natural speed' for length: 14.83 kts
   Power going to wave formation at top speed: 64 %
   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 (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  16.32 ft / 4.97 m,  10.38 ft / 3.16 m
      - Forward deck:   30.00 %,  10.38 ft / 3.16 m,  10.38 ft / 3.16 m
      - Aft deck:   35.00 %,  10.38 ft / 3.16 m,  10.38 ft / 3.16 m
      - Quarter deck:   15.00 %,  10.38 ft / 3.16 m,  10.38 ft / 3.16 m
      - Average freeboard:      10.86 ft / 3.31 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 192.4 %
      - Above water (accommodation/working, high = better): 98.6 %
   Waterplane Area: 2,927 Square feet or 272 Square metres
   Displacement factor (Displacement / loading): 24 %
   Structure weight / hull surface area: 20 lbs/sq ft or 99 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 3.03
      - Overall: 0.60
   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
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Misc. Weight:
2t on deck for torpedo tubes. 
2t above waterline for torpedo reloads. 
Trial Speed: 27kn

Ranges:
@10 knots: 2,500nm
@12 knots: 1,650nm
@14 knots: 1,100nm
@16 knots: 770nm