Magni, Denmark CV (Conversion from italian ACR hull) laid down 1933 (Engine 1934)
K.D.M. Magni
K.D.M. Modi
Displacement:
20,643 t light; 21,254 t standard; 24,246 t normal; 26,641 t full load
Dimensions: Length overall / water x beam x draught
762.81 ft / 721.78 ft x 70.77 ft (Bulges 81.59 ft) x 26.25 ft (normal load)
232.50 m / 220.00 m x 21.57 m (Bulges 24.87 m) x 8.00 m
Armament:
Airgroup -
20 Heavy Attack Aircraft
20 Dive Bombers
24 Fighters
2 Autogyros
8 - 4.72" / 120 mm guns (4x2 guns), 52.72lbs / 23.91kg shells, 1933 Model
Dual purpose guns in turrets (on barbettes)
on side, all amidships, all raised mounts - superfiring
48 - 1.46" / 37.0 mm guns (12x4 guns), 1.55lbs / 0.70kg shells, 1933 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 8 raised mounts
32 - 0.79" / 20.0 mm guns (16x2 guns), 0.24lbs / 0.11kg shells, 1933 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 504 lbs / 229 kg
Shells per gun, main battery: 400
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.36" / 60 mm 505.25 ft / 154.00 m 11.48 ft / 3.50 m
Ends: Unarmoured
Upper: 3.54" / 90 mm 590.55 ft / 180.00 m 13.12 ft / 4.00 m
Main Belt covers 108 % of normal length
- Torpedo Bulkhead and Bulges:
1.18" / 30 mm 505.25 ft / 154.00 m 32.81 ft / 10.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.79" / 20 mm 1.57" / 40 mm
2nd: 0.79" / 20 mm 0.79" / 20 mm 0.79" / 20 mm
3rd: 0.79" / 20 mm 0.79" / 20 mm -
- Armour deck: 3.94" / 100 mm, Conning tower: 1.97" / 50 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 121,862 shp / 90,909 Kw = 32.00 kts
Range 15,000nm at 15.00 kts
Bunker at max displacement = 5,387 tons
Complement:
970 - 1,262
Cost:
£5.986 million / $23.943 million
Distribution of weights at normal displacement:
Armament: 63 tons, 0.3 %
Armour: 5,244 tons, 21.6 %
- Belts: 1,670 tons, 6.9 %
- Torpedo bulkhead: 724 tons, 3.0 %
- Armament: 114 tons, 0.5 %
- Armour Deck: 2,700 tons, 11.1 %
- Conning Tower: 36 tons, 0.1 %
Machinery: 3,506 tons, 14.5 %
Hull, fittings & equipment: 6,630 tons, 27.3 %
Fuel, ammunition & stores: 3,603 tons, 14.9 %
Miscellaneous weights: 5,200 tons, 21.4 %
Spare parts equivelant to 4 full aircraft accounted for in Misc weight (100 tons)
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
29,964 lbs / 13,591 Kg = 568.3 x 4.7 " / 120 mm shells or 4.8 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 3.7 ft / 1.1 m
Roll period: 17.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 1.56
Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0.549
Length to Beam Ratio: 8.85 : 1
'Natural speed' for length: 30.79 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 45
Bow angle (Positive = bow angles forward): 35.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 49.21 ft / 15.00 m
- Forecastle (30 %): 49.21 ft / 15.00 m (16.40 ft / 5.00 m aft of break)
- Mid (50 %): 16.40 ft / 5.00 m
- Quarterdeck (10 %): 16.40 ft / 5.00 m
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 26.25 ft / 8.00 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 102.3 %
- Above water (accommodation/working, high = better): 119.4 %
Waterplane Area: 37,077 Square feet or 3,445 Square metres
Displacement factor (Displacement / loading): 135 %
Structure weight / hull surface area: 103 lbs/sq ft or 504 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.35
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather