Make your own free website on Tripod.com
Fantasy Fleet Page
Danton Class Predreadnought 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 Danton Class are Predreadnought battleships with a powerful secondary armament.

Danton Class Predreadnought Battleships, laid down 1908
     Length, 145.0 m x Beam, 25.6 m x Depth, 9.2 m
          17904 tonnes normal displacement (17242 tonnes standard)
     Main battery:       4 x 30.5-cm (2 x 2)
     Secondary battery: 12 x 24.0-cm (6 x 2)
     QF battery:        10 x  4.7-cm
     Light battery:     12 x  7.5-cm
          Weight of broadside: 3959 kg
     2 TT, 45.0 cm (submerged)
     Main belt, 25.0 cm; bow and stern, 10.0 cm
     Upper belt, 10.0 cm
     Torpedo bulkhead, 3.0 cm
     Armor deck, average 9.0 cm
     Conning tower, 30.5 cm
     Battery armor:
          Main, 30.0 cm / secondary, 22.0 cm
          QF, 22.0 cm / light guns, 5.0 cm shields 
     Maximum speed for 16408 shaft kw = 20.00 knots
          Approximate cruising radius, 3500 nm / 10 knots
     Typical complement: 774-1006

                    Estimated cost, $6.605 million (1.651 million)
          Remarks:
     Relative extent of belt armor, 120 percent of 'typical' coverage.
     Good seaboat; rides out heavy weather easily.
     Main deck QF guns subject to being washed down in a seaway.

          Distribution of weights:
                                                       Percent
                                                       normal
                                                    displacement:
          Armament .........................   1089 tonnes =   6 pct
          Armor, total .....................   7432 tonnes =  42 pct
               Belt                            2602 tonnes =  15 pct
               Torpedo bulkhead                 408 tonnes =   2 pct
               Deck                            1689 tonnes =   9 pct
               C.T.                             177 tonnes =   1 pct
               Armament                        2555 tonnes =  14 pct
          Machinery ........................   1221 tonnes =   7 pct
          Hull and fittings; equipment .....   6416 tonnes =  36 pct
          Fuel, ammunition, stores .........   1746 tonnes =  10 pct
          Miscellaneous weights ............      0 tonnes =   0 pct
                                              -----
                                              17904 tonnes = 100 pct
          Estimated metacentric height, 1.3 m
     Displacement summary:
          Light ship:             16158 tonnes
          Standard displacement:  17242 tonnes
          Normal service:         17904 tonnes
          Full load:              18362 tonnes
          Loading submergence 2415 tonnes/metre
     +++++++++++++++++++++++++

     Estimated overall survivability and seakeeping ability:
          Relative margin of stability: 1.06
          Shellfire needed to sink: 7499 kg = 19.1 x 30.5-cm shells
               (Approximates weight of penetrating
               shell hits needed to sink ship,
               not counting critical hits)
          Torpedoes needed to sink: 2.8
               (Approximates number of 'typical'
               torpedo hits needed to sink ship)
          Relative steadiness as gun platform, 53 percent
               (50 percent is 'average')
          Relative rocking effect from firing to beam, 0.55
          Relative quality as a seaboat: 1.32
     +++++++++++++++++++++++++

     Hull form characteristics:
          Block coefficient: 0.52
          Sharpness coefficient: 0.41
          Hull speed coefficient 'M' = 5.56
          'Natural speed' for length = 21.8 knots
          Power going to wave formation
               at top speed: 46 percent

     Estimated hull characteristics and strength:
          Relative underwater volume absorbed by
               magazines and engineering spaces: 93 percent
          Relative accommodation and working space: 102 percent

          Displacement factor: 96 percent
               (Displacement relative to loading factors)

          Relative cross-sectional hull strength: 0.93
               (Structure weight per square
               metre of hull surface: 817 kg)
          Relative longitudinal hull strength: 2.02
               (for 4.90 m average freeboard;
               freeboard adjustment -0.29 m)
          Relative composite hull strength: 1.01
     +++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]
475.60 x 83.97 x 30.18; 16.07 -- Dimensions
0.52 -- Block coefficient
1908 -- Year laid down
20.00 / 3500 / 10.00; Turbine, coal fired -- Speed / radius / cruise
 0 tons -- Miscellaneous weights
++++++++++
4 x 12.01; 2; 0 -- Main battery; turrets; superfiring
   :
12 x 9.45; 6 -- Secondary battery; turrets
   :
10 x 1.85 -- Tertiary (QF/AA) battery
  Main deck battery
   :
12 x 2.95 -- Fourth (light) battery
2 / 2 / 17.72 -- TT / submerged / size
++++++++++
9.84 / 3.94 / 3.94 / 1.18; 120 -- Belt armor; relative extent
3.54 / 12.01 -- Deck / CT
11.81 / 8.66 / 8.66 / 1.97 -- Battery armor

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

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


Enter supporting content here