F/CA/1933, France Cruiser laid down 1933 (Engine 1938) Displacement: 14,338 t light; 14,939 t standard; 16,000 t normal; 16,849 t full load Dimensions: Length overall / water x beam x draught 669.71 ft / 665.00 ft x 66.00 ft x 23.00 ft (normal load) 204.13 m / 202.69 m x 20.12 m x 7.01 m Armament: 9 - 9.45" / 240 mm guns (3x3 guns), 421.80lbs / 191.32kg shells, 1933 Model Breech loading guns in turrets (on barbettes) on centreline ends, majority forward, 1 raised mount - superfiring 8 - 5.12" / 130 mm guns (4x2 guns), 67.03lbs / 30.41kg shells, 1933 Model Dual purpose guns in deck mounts with hoists on side, all amidships 12 - 3.94" / 100 mm guns (6x2 guns), 30.51lbs / 13.84kg shells, 1933 Model Anti-aircraft guns in deck mounts on side, all amidships, all raised mounts - superfiring 32 - 1.85" / 47.0 mm guns (16x2 guns), 3.17lbs / 1.44kg shells, 1933 Model Anti-aircraft guns in deck mounts on side, evenly spread, 12 raised mounts Weight of broadside 4,800 lbs / 2,177 kg Shells per gun, main battery: 100 8 - 21.7" / 549.9999 mm above water torpedoes Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 4.00" / 102 mm 460.00 ft / 140.21 m 16.00 ft / 4.88 m Ends: Unarmoured Main Belt covers 106 % of normal length Main belt does not fully cover magazines and engineering spaces - Torpedo Bulkhead: 1.00" / 25 mm 460.00 ft / 140.21 m 22.00 ft / 6.71 m - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 4.00" / 102 mm 3.00" / 76 mm 4.00" / 102 mm 2nd: 2.00" / 51 mm 2.00" / 51 mm 2.00" / 51 mm - Armour deck: 2.50" / 64 mm, Conning tower: 4.00" / 102 mm Machinery: Oil fired boilers, steam turbines, Geared drive, 4 shafts, 124,748 shp / 93,062 Kw = 33.00 kts Range 6,500nm at 15.00 kts Bunker at max displacement = 1,911 tons Complement: 710 - 924 Cost: £7.015 million / $28.062 million Distribution of weights at normal displacement: Armament: 600 tons, 3.7 % Armour: 3,652 tons, 22.8 % - Belts: 1,216 tons, 7.6 % - Torpedo bulkhead: 374 tons, 2.3 % - Armament: 584 tons, 3.7 % - Armour Deck: 1,423 tons, 8.9 % - Conning Tower: 55 tons, 0.3 % Machinery: 3,416 tons, 21.3 % Hull, fittings & equipment: 6,670 tons, 41.7 % Fuel, ammunition & stores: 1,662 tons, 10.4 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 19,544 lbs / 8,865 Kg = 46.3 x 9.4 " / 240 mm shells or 2.4 torpedoes Stability (Unstable if below 1.00): 1.12 Metacentric height 3.3 ft / 1.0 m Roll period: 15.2 seconds Steadiness - As gun platform (Average = 50 %): 54 % - Recoil effect (Restricted arc if above 1.00): 0.93 Seaboat quality (Average = 1.00): 1.08 Hull form characteristics: Hull has rise forward of midbreak Block coefficient: 0.555 Length to Beam Ratio: 10.08 : 1 'Natural speed' for length: 25.79 kts Power going to wave formation at top speed: 57 % Trim (Max stability = 0, Max steadiness = 100): 50 Bow angle (Positive = bow angles forward): 5.00 degrees Stern overhang: 2.00 ft / 0.61 m Freeboard (% = measuring location as a percentage of overall length): - Stem: 31.00 ft / 9.45 m - Forecastle (20 %): 25.00 ft / 7.62 m - Mid (67 %): 25.00 ft / 7.62 m (17.00 ft / 5.18 m aft of break) - Quarterdeck (15 %): 17.00 ft / 5.18 m - Stern: 17.00 ft / 5.18 m - Average freeboard: 22.84 ft / 6.96 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 140.1 % - Above water (accommodation/working, high = better): 163.0 % Waterplane Area: 30,767 Square feet or 2,858 Square metres Displacement factor (Displacement / loading): 105 % Structure weight / hull surface area: 133 lbs/sq ft or 648 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.96 - Longitudinal: 1.42 - Overall: 1.00 Hull space for machinery, storage, compartmentation is cramped Room for accommodation and workspaces is excellent
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Monday, April 03, 2006
The F/CA/1933 design
The F/CA/1933 design is actually better protected, due to the "all-or-nothing" approach. Belt is 16ft high and 10ft longer. The torpedo bulkhead is a foot higher. The armour deck is now 2.5in. The armament is somewhat improved, as the 13cm guns are now dual-purpose, and the heavy AA guns (perhaps redundant) are now 10cm. There are more light AA guns, as well. The torpedo armament is now 8-21.6in TT. The roll period is greater: 15.2 seconds. This is the Springsharp report:]
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