1914, Francesco Caracciolo Class
Ships in class;
Francesco Caracciolo, Laid down 1914, relaid 1920, refitted 1928 (sold to Romania 1940)
Cristoforto Columbo, Laid down 1914, relaid 1920, partial reconstruction 1931
Marcantonio Colonna, Laid down 1914, cancelled 1920
Francesco Morosini Laid down 1914, converted to aircraft carrier 1920
[size=3]
Original Design[/size]
Francesco Caracciolo , Italian Battleship laid down 1914 (Engine 1920)
Displacement:
30,121 t light; 31,660 t standard; 33,504 t normal; 34,979 t full load
Dimensions: Length overall / water x beam x draught
705.86 ft / 695.54 ft x 97.11 ft x 31.17 ft (normal load)
215.15 m / 212.00 m x 29.60 m x 9.50 m
Armament:
8 - 381mm/40 guns (4x2 guns), 1,940.07lbs / 880.00kg shells, 1914 Model
Breech loading guns in turrets (on barbettes)
on centreline, evenly spread, 2 raised mounts
Aft Main mounts separated by engine room
12 - 152mm/45 guns in single mounts, 110.23lbs / 50.00kg shells, 1914 Model
Breech loading guns in casemate mounts
on side, all amidships
8 - 100mm/40 guns in single mounts, 30.51lbs / 13.84kg shells, 1914 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
12 - 0.54" / 13.7 mm guns in single mounts, 0.08lbs / 0.04kg shells, 1914 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 17,088 lbs / 7,751 kg
Shells per gun, main battery: 90
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 11.8" / 300 mm 444.55 ft / 135.50 m 11.81 ft / 3.60 m
Ends: 5.91" / 150 mm 164.04 ft / 50.00 m 11.81 ft / 3.60 m
86.94 ft / 26.50 m Unarmoured ends
Upper: 8.66" / 220 mm 310.04 ft / 94.50 m 9.84 ft / 3.00 m
Main Belt covers 98 % of normal length
- Torpedo Bulkhead:
1.38" / 35 mm 444.55 ft / 135.50 m 28.97 ft / 8.83 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 7.87" / 200 mm 11.8" / 300 mm
2nd: 3.94" / 100 mm - -
3rd: 0.79" / 20 mm - -
- Armour deck: 3.54" / 90 mm, Conning tower: 2.76" / 70 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 105,000 shp / 78,330 Kw = 28.01 kts
Range 3,000nm at 20.00 kts (Bunkerage = 3,319 tons)
Complement:
1,237 - 1,609
Cost:
£4.006 million / $16.024 million
Distribution of weights at normal displacement:
Armament: 1,880 tons, 5.6 %
Armour: 11,157 tons, 33.3 %
- Belts: 4,349 tons, 13.0 %
- Torpedo bulkhead: 657 tons, 2.0 %
- Armament: 2,979 tons, 8.9 %
- Armour Deck: 3,110 tons, 9.3 %
- Conning Tower: 62 tons, 0.2 %
Machinery: 3,671 tons, 11.0 %
Hull, fittings & equipment: 13,413 tons, 40.0 %
Fuel, ammunition & stores: 3,383 tons, 10.1 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
32,004 lbs / 14,517 Kg = 19.0 x 15.0 " / 381 mm shells or 4.2 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 5.5 ft / 1.7 m
Roll period: 17.4 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.75
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.557
Length to Beam Ratio: 7.16 : 1
'Natural speed' for length: 26.37 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 49
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.33 ft / 6.50 m
- Forecastle (19 %): 20.01 ft / 6.10 m
- Mid (50 %): 20.01 ft / 6.10 m
- Quarterdeck (19 %): 20.01 ft / 6.10 m
- Stern: 20.01 ft / 6.10 m
- Average freeboard: 20.11 ft / 6.13 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 98.3 %
- Above water (accommodation/working, high = better): 146.2 %
Waterplane Area: 47,450 Square feet or 4,408 Square metres
Displacement factor (Displacement / loading): 100 %
Structure weight / hull surface area: 200 lbs/sq ft or 979 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.37
- Overall: 1.01
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
[size=3]
Francesco Caracciolo, refitted 1928[/size]
- Angle of gun elevation increased to 35degrees.
- New 885kg shells for guns
- New superstructure and directors
- Removal of casemated 152mm guns. Replacement with 100/65 AA guns
- Funnel caps added
- Additional bunkerage
Displacement:
29,745 t light; 31,438 t standard; 34,209 t normal; 36,426 t full load
Dimensions: Length overall / water x beam x draught
706.61 ft / 695.54 ft x 97.11 ft x 31.82 ft (normal load)
215.38 m / 212.00 m x 29.60 m x 9.70 m
Armament:
8 - 381mm/40 guns (4x2 guns), 1,951.09lbs / 885.00kg shells, 1914 Model
Breech loading guns in turrets (on barbettes)
on centreline, evenly spread, 2 raised mounts
Aft Main mounts separated by engine room
20 - 100mm/65 guns (10x2 guns), 33.07lbs / 15.00kg shells, 1914 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
12 - 1.85" / 47.0 mm guns (4x3 guns), 3.17lbs / 1.44kg shells, 1928 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 16,308 lbs / 7,397 kg
Shells per gun, main battery: 110
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 11.8" / 300 mm 444.55 ft / 135.50 m 11.81 ft / 3.60 m
Ends: 5.91" / 150 mm 164.04 ft / 50.00 m 11.81 ft / 3.60 m
86.94 ft / 26.50 m Unarmoured ends
Upper: 8.66" / 220 mm 310.04 ft / 94.50 m 9.84 ft / 3.00 m
Main Belt covers 98 % of normal length
- Torpedo Bulkhead:
1.38" / 35 mm 444.55 ft / 135.50 m 28.97 ft / 8.83 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 7.87" / 200 mm 11.8" / 300 mm
3rd: 1.18" / 30 mm 0.98" / 25 mm -
4th: 0.79" / 20 mm - -
- Armour deck: 3.60" / 91 mm, Conning tower: 2.76" / 70 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 105,000 shp / 78,330 Kw = 27.92 kts
Range 4,600nm at 20.00 kts
Bunker at max displacement = 4,989 tons
Complement:
1,257 - 1,635
Cost:
£3.870 million / $15.480 million
Distribution of weights at normal displacement:
Armament: 1,769 tons, 5.2 %
Armour: 11,037 tons, 32.3 %
- Belts: 4,348 tons, 12.7 %
- Torpedo bulkhead: 657 tons, 1.9 %
- Armament: 2,811 tons, 8.2 %
- Armour Deck: 3,158 tons, 9.2 %
- Conning Tower: 63 tons, 0.2 %
Machinery: 3,671 tons, 10.7 %
Hull, fittings & equipment: 13,169 tons, 38.5 %
Fuel, ammunition & stores: 4,464 tons, 13.0 %
Miscellaneous weights: 100 tons, 0.3 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
41,679 lbs / 18,905 Kg = 24.7 x 15.0 " / 381 mm shells or 6.1 torpedoes
Stability (Unstable if below 1.00): 1.07
Metacentric height 5.5 ft / 1.7 m
Roll period: 17.4 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.72
Seaboat quality (Average = 1.00): 1.03
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.557
Length to Beam Ratio: 7.16 : 1
'Natural speed' for length: 26.37 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 49
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.59 ft / 7.80 m
- Forecastle (20 %): 20.67 ft / 6.30 m
- Mid (50 %): 19.03 ft / 5.80 m
- Quarterdeck (15 %): 19.03 ft / 5.80 m
- Stern: 20.67 ft / 6.30 m
- Average freeboard: 20.12 ft / 6.13 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 94.5 %
- Above water (accommodation/working, high = better): 139.5 %
Waterplane Area: 47,450 Square feet or 4,408 Square metres
Displacement factor (Displacement / loading): 105 %
Structure weight / hull surface area: 196 lbs/sq ft or 956 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.37
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
[size=3]
Cristoforto Columbo reconstructed 1931[/size]
Cristoforto Columbo, Italian Battleship laid down 1914 (Engine 1931)
Displacement:
32,083 t light; 33,898 t standard; 38,103 t normal; 41,467 t full load
Dimensions: Length overall / water x beam x draught
732.86 ft / 721.78 ft x 97.11 ft (Bulges 103.67 ft) x 31.82 ft (normal load)
223.38 m / 220.00 m x 29.60 m (Bulges 31.60 m) x 9.70 m
Armament:
8 - 15.00" / 381 mm guns (4x2 guns), 1,951.09lbs / 885.00kg shells, 1914 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
16 - 5.31" / 135 mm guns (8x2 guns), 79.37lbs / 36.00kg shells, 1931 Model
Breech loading guns in deck mounts with hoists
on side, all amidships, 4 raised mounts - superfiring
35 - 1.46" / 37.0 mm guns (11 mounts), 1.83lbs / 0.83kg shells, 1928 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 16 raised guns
Weight of broadside 16,943 lbs / 7,685 kg
Shells per gun, main battery: 110
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.8" / 350 mm 442.91 ft / 135.00 m 11.81 ft / 3.60 m
Ends: 1.97" / 50 mm 164.04 ft / 50.00 m 11.81 ft / 3.60 m
114.83 ft / 35.00 m Unarmoured ends
Upper: 1.97" / 50 mm 442.91 ft / 135.00 m 8.20 ft / 2.50 m
Main Belt covers 94 % of normal length
- Torpedo Bulkhead and Bulges:
2.76" / 70 mm 442.91 ft / 135.00 m 29.53 ft / 9.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 7.87" / 200 mm 11.8" / 300 mm
3rd: 1.97" / 50 mm 0.79" / 20 mm -
4th: 0.39" / 10 mm 0.39" / 10 mm -
- Armour deck: 5.12" / 130 mm, Conning tower: 2.76" / 70 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 110,000 shp / 82,060 Kw = 27.83 kts
Range 4,600nm at 24.00 kts
Bunker at max displacement = 7,569 tons
Complement:
1,363 - 1,772
Cost:
£3.987 million / $15.948 million
Distribution of weights at normal displacement:
Armament: 1,844 tons, 4.8 %
Armour: 12,513 tons, 32.8 %
- Belts: 3,584 tons, 9.4 %
- Torpedo bulkhead: 1,334 tons, 3.5 %
- Armament: 2,852 tons, 7.5 %
- Armour Deck: 4,675 tons, 12.3 %
- Conning Tower: 67 tons, 0.2 %
Machinery: 3,289 tons, 8.6 %
Hull, fittings & equipment: 14,136 tons, 37.1 %
Fuel, ammunition & stores: 6,020 tons, 15.8 %
Miscellaneous weights: 300 tons, 0.8 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
51,806 lbs / 23,499 Kg = 30.7 x 15.0 " / 381 mm shells or 9.1 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 5.8 ft / 1.8 m
Roll period: 18.1 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.62
Seaboat quality (Average = 1.00): 1.09
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.560
Length to Beam Ratio: 6.96 : 1
'Natural speed' for length: 26.87 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 55
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.59 ft / 7.80 m
- Forecastle (20 %): 20.67 ft / 6.30 m
- Mid (50 %): 19.03 ft / 5.80 m
- Quarterdeck (15 %): 19.03 ft / 5.80 m
- Stern: 20.67 ft / 6.30 m
- Average freeboard: 20.12 ft / 6.13 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 83.6 %
- Above water (accommodation/working, high = better): 133.9 %
Waterplane Area: 49,379 Square feet or 4,587 Square metres
Displacement factor (Displacement / loading): 112 %
Structure weight / hull surface area: 199 lbs/sq ft or 970 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.28
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
8xquadruple 37mm mounts = 80tons