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Besstrashniy Class Flotilla Leader
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The Besstrashniy Class Flotilla Leader is a small cruiser that acts as the flagship of a Destroyer Fotilla and which supports the Flotilla with gunfire during their torpedo run.

Besstrashniy class, Russian Cruiser Flotilla Leader laid down 1917

Displacement:
 3,668 t light; 3,947 t standard; 4,756 t normal; 5,403 t full load

Dimensions: Length overall / water x beam x draught
 554.22 ft / 534.78 ft x 50.20 ft x 14.76 ft (normal load)
 168.93 m / 163.00 m x 15.30 m  x 4.50 m

Armament:
      4 - 5.98" / 152 mm guns (2 mounts), 125.66lbs / 57.00kg shells, 1917 Model
   Breech loading guns in deck mounts with hoists
   on centreline ends, evenly spread, 3 raised guns
      4 - 5.98" / 152 mm guns in single mounts, 125.66lbs / 57.00kg shells, 1917 Model
   Breech loading guns in deck mounts
   on side, evenly spread
      12 - 3.94" / 100 mm guns in single mounts, 35.27lbs / 16.00kg shells, 1917 Model
   Quick firing guns in casemate mounts
   on side, evenly spread
   12 guns in hull casemates - Limited use in all but light seas
      8 - 1.77" / 45.0 mm guns in single mounts, 2.78lbs / 1.26kg shells, 1917 Model
   Anti-aircraft guns in deck mounts
   on side, evenly spread
      4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1917 Model
   Anti-aircraft guns in deck mounts
   on side, evenly spread
 Weight of broadside 1,451 lbs / 658 kg
 Shells per gun, main battery: 200

Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 1.18" / 30 mm 534.78 ft / 163.00 m 9.84 ft / 3.00 m
 Ends: Unarmoured
   Main Belt covers 154 % of normal length

   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 2.95" / 75 mm 0.20" / 5 mm        -
 2nd: 2.95" / 75 mm 0.20" / 5 mm        -
 3rd: 1.97" / 50 mm       -         -
 4th: 0.98" / 25 mm       -         -

   - Conning tower: 0.98" / 25 mm

Machinery:
 Oil fired boilers, steam turbines,
 Geared drive, 2 shafts, 56,381 shp / 42,060 Kw = 32.50 kts
 Range 8,000nm at 15.00 kts
 Bunker at max displacement = 1,455 tons

Complement:
 286 - 372

Cost:
 0.993 million / $3.971 million

Distribution of weights at normal displacement:
 Armament: 156 tons, 3.3 %
 Armour: 327 tons, 6.9 %
    - Belts: 230 tons, 4.8 %
    - Torpedo bulkhead: 0 tons, 0.0 %
    - Armament: 91 tons, 1.9 %
    - Armour Deck: 0 tons, 0.0 %
    - Conning Tower: 6 tons, 0.1 %
 Machinery: 2,048 tons, 43.1 %
 Hull, fittings & equipment: 1,138 tons, 23.9 %
 Fuel, ammunition & stores: 1,087 tons, 22.9 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   1,472 lbs / 668 Kg = 13.7 x 6.0 " / 152 mm shells or 0.5 torpedoes
 Stability (Unstable if below 1.00): 1.73
 Metacentric height 4.4 ft / 1.3 m
 Roll period: 10.1 seconds
 Steadiness - As gun platform (Average = 50 %): 71 %
   - Recoil effect (Restricted arc if above 1.00): 0.29
 Seaboat quality  (Average = 1.00): 1.20

Hull form characteristics:
 Hull has rise forward of midbreak
 Block coefficient: 0.420
 Length to Beam Ratio: 10.65 : 1
 'Natural speed' for length: 23.13 kts
 Power going to wave formation at top speed: 55 %
 Trim (Max stability = 0, Max steadiness = 100): 59
 Bow angle (Positive = bow angles forward): 30.00 degrees
 Stern overhang: 6.56 ft / 2.00 m
 Freeboard (% = measuring location as a percentage of overall length):
    - Stem:  22.31 ft / 6.80 m
    - Forecastle (20 %): 19.36 ft / 5.90 m
    - Mid (50 %):  19.36 ft / 5.90 m (11.81 ft / 3.60 m aft of break)
    - Quarterdeck (15 %): 11.81 ft / 3.60 m
    - Stern:  11.81 ft / 3.60 m
    - Average freeboard: 15.82 ft / 4.82 m
 Ship tends to be wet forward

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 166.0 %
  - Above water (accommodation/working, high = better): 170.5 %
 Waterplane Area: 16,736 Square feet or 1,555 Square metres
 Displacement factor (Displacement / loading): 83 %
 Structure weight / hull surface area: 44 lbs/sq ft or 213 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.50
  - Longitudinal: 0.63
  - Overall: 0.51
 Caution: Hull subject to strain in open-sea
 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
 Good seaboat, rides out heavy weather easily


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