It/CA/1937 Heavier Armour Version, Italy Heavy Cruiser laid down 1937 (Engine 1945) Displacement: 14,644 t light; 15,137 t standard; 15,900 t normal; 16,511 t full load Dimensions: Length overall / water x beam x draught 655.57 ft / 654.00 ft x 68.00 ft x 21.00 ft (normal load) 199.82 m / 199.34 m x 20.73 m x 6.40 m Armament: 8 - 8.00" / 203 mm guns (4x2 guns), 256.00lbs / 116.12kg shells, 1937 Model Breech loading guns in turrets (on barbettes) on centreline, all forward, 2 raised mounts - superfiring 8 - 4.70" / 119 mm guns (4x2 guns), 51.91lbs / 23.55kg shells, 1937 Model Anti-aircraft guns in deck mounts with hoists on side, all amidships 28 - 1.46" / 37.0 mm guns (14x2 guns), 1.55lbs / 0.70kg shells, 1937 Model Anti-aircraft guns in deck mounts on side, all amidships, all raised mounts - superfiring Weight of broadside 2,507 lbs / 1,137 kg Shells per gun, main battery: 120 8 - 21.0" / 533.4 mm above water torpedoes Armour: - Belts: Width (max) Length (avg) Height (avg) Main: 5.00" / 127 mm 440.00 ft / 134.11 m 16.00 ft / 4.88 m Ends: Unarmoured Main Belt covers 104 % of normal length Main belt does not fully cover magazines and engineering spaces - Torpedo Bulkhead: 1.00" / 25 mm 440.00 ft / 134.11 m 21.00 ft / 6.40 m - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) Main: 5.00" / 127 mm 3.00" / 76 mm 5.00" / 127 mm 2nd: 1.00" / 25 mm - 1.00" / 25 mm - Armour deck: 3.00" / 76 mm, Conning tower: 5.00" / 127 mm Machinery: Oil fired boilers, steam turbines, Geared drive, 4 shafts, 145,685 shp / 108,681 Kw = 34.00 kts Range 4,800nm at 15.00 kts Bunker at max displacement = 1,374 tons Complement: 707 - 920 Cost: £7.041 million / $28.162 million Distribution of weights at normal displacement: Armament: 313 tons, 2.0 % Armour: 4,366 tons, 27.5 % - Belts: 1,468 tons, 9.2 % - Torpedo bulkhead: 342 tons, 2.2 % - Armament: 689 tons, 4.3 % - Armour Deck: 1,798 tons, 11.3 % - Conning Tower: 68 tons, 0.4 % Machinery: 3,679 tons, 23.1 % Hull, fittings & equipment: 6,286 tons, 39.5 % Fuel, ammunition & stores: 1,256 tons, 7.9 % Miscellaneous weights: 0 tons, 0.0 % Overall survivability and seakeeping ability: Survivability (Non-critical penetrating hits needed to sink ship): 22,797 lbs / 10,341 Kg = 89.1 x 8.0 " / 203 mm shells or 2.9 torpedoes Stability (Unstable if below 1.00): 1.13 Metacentric height 3.6 ft / 1.1 m Roll period: 15.1 seconds Steadiness - As gun platform (Average = 50 %): 57 % - Recoil effect (Restricted arc if above 1.00): 0.52 Seaboat quality (Average = 1.00): 1.14 Hull form characteristics: Hull has rise forward of midbreak Block coefficient: 0.596 Length to Beam Ratio: 9.62 : 1 'Natural speed' for length: 25.57 kts Power going to wave formation at top speed: 60 % Trim (Max stability = 0, Max steadiness = 100): 50 Bow angle (Positive = bow angles forward): 3.00 degrees Stern overhang: -2.00 ft / -0.61 m Freeboard (% = measuring location as a percentage of overall length): - Stem: 30.00 ft / 9.14 m - Forecastle (20 %): 29.00 ft / 8.84 m - Mid (50 %): 29.00 ft / 8.84 m (21.00 ft / 6.40 m aft of break) - Quarterdeck (15 %): 21.00 ft / 6.40 m - Stern: 21.00 ft / 6.40 m - Average freeboard: 25.08 ft / 7.64 m Ship space, strength and comments: Space - Hull below water (magazines/engines, low = better): 128.3 % - Above water (accommodation/working, high = better): 188.8 % Waterplane Area: 32,401 Square feet or 3,010 Square metres Displacement factor (Displacement / loading): 112 % Structure weight / hull surface area: 119 lbs/sq ft or 580 Kg/sq metre Hull strength (Relative): - Cross-sectional: 0.95 - Longitudinal: 1.63 - Overall: 1.00 Hull space for machinery, storage, compartmentation is cramped Room for accommodation and workspaces is excellent
Amazon Ad
Wednesday, November 15, 2006
The It/CA/1937 heavy cruiser
My design for the It/CA/1937 is a better protected ship, in that the deck armour is 3in, in stead of 2in. The belt is slightly longer, as well. The heavy AA armament is 8-4.7in AA guns and the light AA armament is 28-37mm AA guns in twin mounts. The main armament is unchanged at 8-8in guns and the torpedo armament is still 8-21in TT in quad mounts on the deck. The speed is 34 knots and the range is slightly greater at 4,800nm at 15 knots. This is the Springsharp report:
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment