Make your own free website on Tripod.com
Fantasy Fleet Page
Petropavlovsk Class Battleships
Home
French Strategic Resources
French Coast Defenses
Russian Coast Defenses
The Fleet of the Republic of France
Port Facilities of the Republic of France
French Atlantic Fleet
French Indian Ocean Flotilla
French Mediterranian Fleet
French Pacific Fleet
French ships under construction
Obsolete French ships
French Ship Designs
French Naval Guns
Russian Federation Port Facilities
Russian Federation Fleet, as of 1/1/1921
Russian Federation Baltic Sea Fleet
Russian Federation Black Sea Fleet
Russian Federation Northern Fleet
Russian Federation Pacific Fleet
Russian Federation Caspian Sea Flotilla
Russian River Flotillas
Russian Federation ships under construction
Obsolete Russian ships
Russian Ship Designs
Russian Naval Guns
Treaty tables

The Petropavlovsk Class are the first Russian Dreadnought Battleships.

gangut.gif


Petropavlovsk Class Battleship, laid down 1909
     Length, 183.0 m x Beam, 24.5 m x Depth, 8.4 m
          24679 tonnes normal displacement (23314 tonnes standard)
     Main battery:      12 x 30.5-cm (4 x 3)
     Secondary battery: 16 x 13.0-cm
     QF battery:         4 x  4.8-cm
     Light battery:      8 x  1.3-cm
          Weight of broadside: 5202 kg
     4 TT, 45.7 cm
     Main belt, 27.9 cm; bow and stern, 12.7 cm
     Upper belt, 20.3 cm
     Armor deck, average 11.4 cm
     Conning tower, 25.4 cm
     Battery armor:
          Main, 30.5 cm / secondary, 15.2 cm
          QF, 2.5 cm shields / light guns, 1.3 cm shields 
     Maximum speed for 32532 shaft kw = 23.00 knots
          Approximate cruising radius, 6000 nm / 10 knots
     Typical complement: 985-1280

                    Estimated cost, $9.088 million (2.272 million)
          Remarks:
     Relative extent of belt armor, 75 percent of 'typical' coverage.
     Ship has slow, easy roll; a good, steady gun platform.
     Good seaboat; rides out heavy weather easily.
     Magazines and engineering spaces are roomy, with superior
     watertight subdivision.
     Ship is roomy, with superior accommodation and working space.
     Main deck secondary guns subject to being washed down
     in a seaway.

          Distribution of weights:
                                                       Percent
                                                       normal
                                                    displacement:
          Armament .........................   1430 tonnes =   6 pct
          Armor, total .....................   8551 tonnes =  35 pct
               Belt                            2569 tonnes =  10 pct
               Deck                            3001 tonnes =  12 pct
               C.T.                             183 tonnes =   1 pct
               Armament                        2797 tonnes =  11 pct
          Machinery ........................   2180 tonnes =   9 pct
          Hull and fittings; equipment .....   9706 tonnes =  39 pct
          Fuel, ammunition, stores .........   2812 tonnes =  11 pct
          Miscellaneous weights ............      0 tonnes =   0 pct
                                              -----
                                              24679 tonnes = 100 pct
          Estimated metacentric height, 1.1 m
     Displacement summary:
          Light ship:             21867 tonnes
          Standard displacement:  23314 tonnes
          Normal service:         24679 tonnes
          Full load:              25672 tonnes
          Loading submergence 3387 tonnes/metre
     +++++++++++++++++++++++++

     Estimated overall survivability and seakeeping ability:
          Relative margin of stability: 1.01
          Shellfire needed to sink: 13365 kg = 34.0 x 30.5-cm shells
               (Approximates weight of penetrating
               shell hits needed to sink ship,
               not counting critical hits)
          Torpedoes needed to sink: 3.1
               (Approximates number of 'typical'
               torpedo hits needed to sink ship)
          Relative steadiness as gun platform, 70 percent
               (50 percent is 'average')
          Relative rocking effect from firing to beam, 0.99
          Relative quality as a seaboat: 1.25
     +++++++++++++++++++++++++

     Hull form characteristics:
          Block coefficient: 0.65
          Sharpness coefficient: 0.42
          Hull speed coefficient 'M' = 6.31
          'Natural speed' for length = 24.5 knots
          Power going to wave formation
               at top speed: 47 percent

     Estimated hull characteristics and strength:
          Relative underwater volume absorbed by
               magazines and engineering spaces: 74 percent
          Relative accommodation and working space: 122 percent

          Displacement factor: 102 percent
               (Displacement relative to loading factors)

          Relative cross-sectional hull strength: 1.12
               (Structure weight per square
               metre of hull surface: 909 kg)
          Relative longitudinal hull strength: 1.51
               (for 5.50 m average freeboard;
               freeboard adjustment -0.03 m)
          Relative composite hull strength: 1.16
     +++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]
600.24 x 80.36 x 27.55; 18.04 -- Dimensions
0.65 -- Block coefficient
1909 -- Year laid down
23.00 / 6000 / 10.00; Turbine, coal fired -- Speed / radius / cruise
 0 tons -- Miscellaneous weights
++++++++++
12 x 12.00; 4; 0 -- Main battery; turrets; superfiring
   :
16 x 5.10; 0 -- Secondary battery; turrets
  Main deck battery
   :
4 x 1.90 -- Tertiary (QF/AA) battery
  Gun-shields
   :
8 x 0.50 -- Fourth (light) battery
4 / 0 / 18.00 -- TT / submerged / size
++++++++++
10.98 / 5.00 / 7.99 / 0.00; 75 -- Belt armor; relative extent
4.49 / 10.00 -- Deck / CT
12.00 / 6.00 / 1.00 / 0.50 -- Battery armor

     (Note: For portability, values are stored in Anglo-American units)

     +++++++++++++++++++++++++++++++++++++++++++++++++++++++

In 1936, Sevastopol and Poltava were reconstructed, with their speed increased to 27 knots, their 305mm/52 guns replaced with 381mm/52, addition of 100mm and 37mm AA guns, anti-torpedo bulges, increased deck armor, and a reshaped bow to improve seakeeping.

sevastopol-36a.jpg


Enter supporting content here