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Fantasy Fleet Page
Revanche class coast defense battleships
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These ships are intended to suppliment Russian coastal defenses by providing mobile heavy artillery.  They have a relatively shallow draft, permitting them to use Russia's developing system of inland waterways.

Revansh (Revenge) class, Russian Coast Defense Battleship laid down 1931
Displacement:
 7,626 t light; 8,043 t standard; 9,425 t normal; 10,529 t full load
Dimensions: Length overall / water x beam x draught
 410.11 ft / 410.11 ft x 55.77 ft (Bulges 67.09 ft) x 19.03 ft (normal load)
 125.00 m / 125.00 m x 17.00 m (Bulges 20.45 m)  x 5.80 m
Armament:
      4 - 12.01" / 305 mm guns (2x2 guns), 1,038.38lbs / 471.00kg shells, 1931 Model
   Breech loading guns in turrets (on barbettes)
   on centreline ends, evenly spread
      8 - 5.12" / 130 mm guns in single mounts, 79.37lbs / 36.00kg shells, 1931 Model
   Breech loading guns in casemate mounts
   on side, evenly spread
      4 - 3.94" / 100 mm guns in single mounts, 37.48lbs / 17.00kg shells, 1931 Model
   Dual purpose guns in deck mounts with hoists
   on side, evenly spread
      8 - 1.46" / 37.0 mm guns (2x4 guns), 1.55lbs / 0.70kg shells, 1931 Model
   Anti-aircraft guns in deck mounts with hoists
   on side, evenly spread, all raised mounts
      8 - 1.46" / 37.0 mm guns (2x4 guns), 1.55lbs / 0.70kg shells, 1931 Model
   Anti-aircraft guns in deck mounts with hoists
   on side, evenly spread, all raised mounts
 Weight of broadside 4,963 lbs / 2,251 kg
 Shells per gun, main battery: 80
Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 13.0" / 330 mm 180.45 ft / 55.00 m 9.84 ft / 3.00 m
 Ends: 2.76" / 70 mm 229.66 ft / 70.00 m 6.56 ft / 2.00 m
 Upper: 2.76" / 70 mm 147.64 ft / 45.00 m 4.27 ft / 1.30 m
   Main Belt covers 68 % of normal length
   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 13.0" / 330 mm 7.87" / 200 mm  9.84" / 250 mm
 2nd: 2.76" / 70 mm       -         -
 3rd: 0.98" / 25 mm 0.20" / 5 mm        -
 4th: 0.98" / 25 mm 0.20" / 5 mm        -
 5th: 0.98" / 25 mm 0.20" / 5 mm        -
   - Armour deck: 4.72" / 120 mm, Conning tower: 9.84" / 250 mm
Machinery:
 Oil fired boilers, steam turbines,
 Geared drive, 2 shafts, 10,813 shp / 8,066 Kw = 18.00 kts
 Range 10,800nm at 15.00 kts
 Bunker at max displacement = 2,486 tons
Complement:
 477 - 621
Cost:
 3.262 million / $13.047 million
Distribution of weights at normal displacement:
 Armament: 518 tons, 5.5 %
 Armour: 3,608 tons, 38.3 %
    - Belts: 1,327 tons, 14.1 %
    - Torpedo bulkhead: 0 tons, 0.0 %
    - Armament: 683 tons, 7.2 %
    - Armour Deck: 1,504 tons, 16.0 %
    - Conning Tower: 95 tons, 1.0 %
 Machinery: 323 tons, 3.4 %
 Hull, fittings & equipment: 3,127 tons, 33.2 %
 Fuel, ammunition & stores: 1,798 tons, 19.1 %
 Miscellaneous weights: 50 tons, 0.5 %
Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   14,405 lbs / 6,534 Kg = 16.6 x 12.0 " / 305 mm shells or 3.1 torpedoes
 Stability (Unstable if below 1.00): 1.18
 Metacentric height 2.8 ft / 0.9 m
 Roll period: 16.8 seconds
 Steadiness - As gun platform (Average = 50 %): 71 %
   - Recoil effect (Restricted arc if above 1.00): 0.45
 Seaboat quality  (Average = 1.00): 1.20
Hull form characteristics:
 Hull has a flush deck
 Block coefficient: 0.630
 Length to Beam Ratio: 6.11 : 1
 'Natural speed' for length: 20.25 kts
 Power going to wave formation at top speed: 45 %
 Trim (Max stability = 0, Max steadiness = 100): 59
 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:  18.04 ft / 5.50 m
    - Forecastle (30 %): 9.84 ft / 3.00 m
    - Mid (50 %):  9.84 ft / 3.00 m
    - Quarterdeck (15 %): 9.84 ft / 3.00 m
    - Stern:  11.15 ft / 3.40 m
    - Average freeboard: 10.93 ft / 3.33 m
 Ship tends to be wet forward
Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 53.7 %
  - Above water (accommodation/working, high = better): 67.6 %
 Waterplane Area: 17,202 Square feet or 1,598 Square metres
 Displacement factor (Displacement / loading): 112 %
 Structure weight / hull surface area: 123 lbs/sq ft or 602 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.97
  - Longitudinal: 1.28
  - Overall: 1.00
 Hull space for machinery, storage, compartmentation is excellent
 Room for accommodation and workspaces is cramped
 Ship has slow, easy roll, a good, steady gun platform
 Good seaboat, rides out heavy weather easily


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