She can carry 48 planes which is enough for using in large strikes, and her 8.25" guns give her hitting power against cruisers. I could fit 12x6" guns instead but have nowhere to put them unless i adopted sextuple turrets.
http://www.geocities.com/red_admiral_italy/hybrid.jpg
MM San Marco, Italian Light Fleet Carrier laid down 1932
Displacement:
14,659 t light; 15,208 t standard; 17,939 t normal; 20,052 t full load
Loading submergence 1,035 tons/feet
Dimensions:
720.00 ft x 78.00 ft x 21.50 ft (normal load)
219.46 m x 23.77 m x 6.55 m
Armament:
6 - 8.25" / 210 mm guns (2 Main turrets x 3 guns, 1 superfiring turret)
Main turrets are grouped together
8 - 5.12" / 130 mm guns
32 - 1.59" / 41 mm AA guns
Weight of broadside 2,286 lbs / 1,037 kg
Armour:
Belt 1.50" / 38 mm, ends unarmoured
Belts cover 85 % of normal area
Main turrets 2.00" / 51 mm
Armour deck 1.00" / 25 mm, Conning tower 3.00" / 76 mm
Machinery:
Oil fired boilers, steam turbines,
Electric cruising motors plus geared drives, 2 shafts, 89,245 shp / 66,577 Kw = 30.00 kts
Range 15,000nm at 15.00 kts
Complement:
775 - 1,007
Cost:
£5.099 million / $20.397 million
Distribution of weights at normal displacement:
Armament: 286 tons, 1.6 %
Armour: 1,139 tons, 6.4 %
Belts: 261 tons, 1.5 %, Armament: 163 tons, 0.9 %, Armour Deck: 670 tons, 3.7 %
Conning Tower: 44 tons, 0.2 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 2,634 tons, 14.7 %
Hull, fittings & equipment: 6,600 tons, 36.8 %
Fuel, ammunition & stores: 3,280 tons, 18.3 %
Miscellaneous weights: 4,000 tons, 22.3 %
Metacentric height 3.8
Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.05
Shellfire needed to sink: 23,759 lbs / 10,777 Kg = 84.6 x 8.3 " / 210 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 2.6
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 82 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.29
Relative quality as seaboat: 1.33
Hull form characteristics:
Block coefficient: 0.520
Sharpness coefficient: 0.35
Hull speed coefficient 'M': 8.41
'Natural speed' for length: 26.83 kts
Power going to wave formation at top speed: 49 %
Trim: 62
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)
Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 84.7 %
Relative accommodation and working space: 183.5 %
(Average = 100%)
Displacement factor: 141 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.02
(Structure weight / hull surface area: 122 lbs / square foot or 594 Kg / square metre)
Relative longitudinal hull strength: 1.03
(for 20.60 ft / 6.28 m average freeboard, freeboard adjustment 3.58 ft)
Relative composite hull strength: 1.02