Agusto Laid down 1932
Tiberio Laid down 1932
Caligola Laid down 1932
Displacement:
17,142 t light; 18,129 t standard; 20,577 t normal; 22,535 t full load
Dimensions: Length overall / water x beam x draught
692.90 ft / 672.57 ft x 70.77 ft (Bulges 81.59 ft) x 26.25 ft (normal load)
211.20 m / 205.00 m x 21.57 m (Bulges 24.87 m) x 8.00 m
Armament:
6 - 12.01" / 305 mm guns (2x3 guns), 996.49lbs / 452.00kg shells, 1932 Model
Breech loading guns in turrets (on barbettes)
on centreline, all forward, 1 raised mount - superfiring
16 - 3.94" / 100 mm guns (8x2 guns), 33.07lbs / 15.00kg shells, 1932 Model
Anti-aircraft guns in deck mounts with hoists
on side, all amidships, 2 raised mounts - superfiring
44 - 1.85" / 47.0 mm guns (11x4 guns), 3.86lbs / 1.75kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 7 raised mounts
Weight of broadside 6,678 lbs / 3,029 kg
Shells per gun, main battery: 150
16 - 23.6" / 600 mm above water torpedoes
Armour:
Classified
- Belts: Width (max) Length (avg) Height (avg)
Main: 9.33" / 237 mm 426.51 ft / 130.00 m 9.84 ft / 3.00 m
Ends: Unarmoured
Upper: 0.79" / 20 mm 65.62 ft / 20.00 m 8.20 ft / 2.50 m
Main Belt covers 98 % of normal length
- Torpedo Bulkhead and Bulges:
1.57" / 40 mm 426.51 ft / 130.00 m 26.25 ft / 8.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 10.6" / 270 mm 7.48" / 190 mm 8.27" / 210 mm
2nd: 1.18" / 30 mm 0.79" / 20 mm -
3rd: 0.39" / 10 mm 0.39" / 10 mm -
- Armour deck: 4.00" / 102 mm, Conning tower: 7.48" / 190 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 86,000 shp / 64,156 Kw = 30.01 kts
Range 7,000nm at 20.00 kts
Bunker at max displacement = 4,406 tons
Complement:
858 - 1,116
Cost:
£7.121 million / $28.484 million
Distribution of weights at normal displacement:
Armament: 728 tons, 3.5 %
Armour: 5,862 tons, 28.5 %
- Belts: 1,676 tons, 8.1 %
- Torpedo bulkhead: 652 tons, 3.2 %
- Armament: 971 tons, 4.7 %
- Armour Deck: 2,442 tons, 11.9 %
- Conning Tower: 121 tons, 0.6 %
Machinery: 2,538 tons, 12.3 %
Hull, fittings & equipment: 7,814 tons, 38.0 %
Fuel, ammunition & stores: 3,434 tons, 16.7 %
Miscellaneous weights: 200 tons, 1.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
28,864 lbs / 13,092 Kg = 33.3 x 12.0 " / 305 mm shells or 4.9 torpedoes
Stability (Unstable if below 1.00): 1.23
Metacentric height 4.3 ft / 1.3 m
Roll period: 16.5 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.43
Seaboat quality (Average = 1.00): 1.04
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.500
Length to Beam Ratio: 8.24 : 1
'Natural speed' for length: 30.06 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 47
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 29.53 ft / 9.00 m
- Forecastle (22 %): 18.04 ft / 5.50 m
- Mid (40 %): 16.40 ft / 5.00 m
- Quarterdeck (10 %): 16.40 ft / 5.00 m
- Stern: 18.04 ft / 5.50 m
- Average freeboard: 18.01 ft / 5.49 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 97.0 %
- Above water (accommodation/working, high = better): 121.7 %
Waterplane Area: 32,978 Square feet or 3,064 Square metres
Displacement factor (Displacement / loading): 121 %
Structure weight / hull surface area: 153 lbs/sq ft or 745 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.22
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Belt 30+200@15° 237average
Deck
0 forwards 150 magazines 100 machinery 70 aft 101.67 average
New shells for 305mm guns. Range c. 340hm
40t = 25mm deck over torpedoes
48t = 16x600mm TT
Originaly by Red Admiral