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Izyslav class destroyers
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This class has been assigned to Russia's Pacific Fleet, due to their good range.

Izyslav class, Russian Destroyer laid down 1931

Displacement:
 1,314 t light; 1,374 t standard; 1,537 t normal; 1,667 t full load

Dimensions: Length overall / water x beam x draught
 367.45 ft / 367.45 ft x 32.81 ft x 11.15 ft (normal load)
 112.00 m / 112.00 m x 10.00 m  x 3.40 m

Armament:
      3 - 5.12" / 130 mm guns in single mounts, 79.37lbs / 36.00kg shells, 1931 Model
   Breech loading guns in deck mounts with hoists
   on centreline ends, majority forward, 1 raised mount
      4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1931 Model
   Anti-aircraft guns in a deck mount with hoist
   on centreline aft, all raised guns - superfiring
      4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1931 Model
   Anti-aircraft guns in deck mounts with hoists
   on side, all amidships
      4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1931 Model
   Machine guns in deck mounts
   on side, evenly spread
 Weight of broadside 251 lbs / 114 kg
 Shells per gun, main battery: 200
 9 - 21.0" / 533 mm above water torpedoes

Armour:
   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 0.98" / 25 mm 0.20" / 5 mm        -
 2nd: 0.98" / 25 mm 0.20" / 5 mm        -

   - Conning tower: 1.18" / 30 mm

Machinery:
 Oil fired boilers, steam turbines,
 Geared drive, 2 shafts, 33,215 shp / 24,778 Kw = 34.00 kts
 Range 4,100nm at 15.00 kts
 Bunker at max displacement = 293 tons

Complement:
 122 - 159

Cost:
 0.766 million / $3.064 million

Distribution of weights at normal displacement:
 Armament: 27 tons, 1.7 %
 Armour: 10 tons, 0.6 %
    - Belts: 0 tons, 0.0 %
    - Torpedo bulkhead: 0 tons, 0.0 %
    - Armament: 6 tons, 0.4 %
    - Armour Deck: 0 tons, 0.0 %
    - Conning Tower: 3 tons, 0.2 %
 Machinery: 765 tons, 49.8 %
 Hull, fittings & equipment: 483 tons, 31.4 %
 Fuel, ammunition & stores: 223 tons, 14.5 %
 Miscellaneous weights: 30 tons, 2.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   409 lbs / 185 Kg = 6.1 x 5.1 " / 130 mm shells or 0.3 torpedoes
 Stability (Unstable if below 1.00): 1.17
 Metacentric height 1.3 ft / 0.4 m
 Roll period: 12.3 seconds
 Steadiness - As gun platform (Average = 50 %): 70 %
   - Recoil effect (Restricted arc if above 1.00): 0.52
 Seaboat quality  (Average = 1.00): 1.00

Hull form characteristics:
 Hull has rise forward of midbreak
   and transom stern
 Block coefficient: 0.400
 Length to Beam Ratio: 11.20 : 1
 'Natural speed' for length: 21.97 kts
 Power going to wave formation at top speed: 65 %
 Trim (Max stability = 0, Max steadiness = 100): 70
 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:  24.61 ft / 7.50 m
    - Forecastle (25 %): 17.22 ft / 5.25 m
    - Mid (45 %):  17.22 ft / 5.25 m (9.84 ft / 3.00 m aft of break)
    - Quarterdeck (15 %): 9.84 ft / 3.00 m
    - Stern:  10.83 ft / 3.30 m
    - Average freeboard: 13.98 ft / 4.26 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 176.9 %
  - Above water (accommodation/working, high = better): 71.9 %
 Waterplane Area: 7,701 Square feet or 715 Square metres
 Displacement factor (Displacement / loading): 69 %
 Structure weight / hull surface area: 33 lbs/sq ft or 162 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.50
  - Longitudinal: 1.52
  - Overall: 0.56
 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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