Well, here is revision 2...
Jormungand, Imperial Germany Heavy Cruiser laid down 1942
Displacement:
15,992 t light; 17,140 t standard; 20,000 t normal; 22,288 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(704.15 ft / 672.57 ft) x 78.74 ft x (26.25 / 28.46 ft)
(214.63 m / 205.00 m) x 24.00 m x (8.00 / 8.67 m)
Armament:
8 - 7.87" / 200 mm 50.0 cal guns - 258.40lbs / 117.21kg shells, 200 per gun
Breech loading guns in deck and hoist mounts, 1942 Model
2 x 2-gun mounts on centreline, forward deck forward
1 raised mount - superfiring
2 x 2-gun mounts on centreline, aft deck aft
1 raised mount aft - superfiring
12 - 5.91" / 150 mm 55.0 cal guns - 111.16lbs / 50.42kg shells, 300 per gun
Breech loading guns in deck and hoist mounts, 1942 Model
4 x 2-gun mounts on sides, evenly spread
2 raised mounts
2 x 2-gun mounts on centreline, evenly spread
2 double raised mounts
16 - 4.13" / 105 mm 65.0 cal guns - 39.15lbs / 17.76kg shells, 100 per gun
Anti-air guns in deck mounts, 1942 Model
6 x Twin mounts on sides, evenly spread
2 raised mounts
2 x Twin mounts on centreline, evenly spread
2 double raised mounts
48 - 1.46" / 37.0 mm 50.0 cal guns - 1.63lbs / 0.74kg shells, 6,000 per gun
Anti-air guns in deck mounts, 1942 Model
12 x Triple mounts on sides, evenly spread
4 raised mounts
4 x Triple mounts on centreline, evenly spread
4 double raised mounts
Weight of broadside 4,106 lbs / 1,862 kg
Main Torpedoes
20 - 21.0" / 533 mm, 22.97 ft / 7.00 m torpedoes - 1.566 t each, 31.326 t total
In 4 sets of deck mounted side rotating tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5.00" / 127 mm 437.17 ft / 133.25 m 10.65 ft / 3.25 m
Ends: 3.00" / 76 mm 235.38 ft / 71.74 m 10.65 ft / 3.25 m
Upper: 5.00" / 127 mm 437.17 ft / 133.25 m 8.00 ft / 2.44 m
Main Belt covers 100 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5.00" / 127 mm 5.00" / 127 mm -
2nd: 5.00" / 127 mm 3.00" / 76 mm -
3rd: 2.00" / 51 mm 1.00" / 25 mm -
4th: 2.00" / 51 mm 1.00" / 25 mm -
- Armoured deck - multiple decks:
For and Aft decks: 3.00" / 76 mm
Forecastle: 3.00" / 76 mm Quarter deck: 3.00" / 76 mm
- Conning towers: Forward 2.00" / 51 mm, Aft 2.00" / 51 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 3 shafts, 115,783 shp / 86,374 Kw = 32.00 kts
Range 14,000nm at 16.00 kts
Bunker at max displacement = 5,149 tons
Complement:
840 - 1,093
Cost:
£8.923 million / $35.692 million
Distribution of weights at normal displacement:
Armament: 1,253 tons, 6.3 %
- Guns: 1,190 tons, 5.9 %
- Weapons: 63 tons, 0.3 %
Armour: 4,617 tons, 23.1 %
- Belts: 1,982 tons, 9.9 %
- Armament: 544 tons, 2.7 %
- Armour Deck: 2,028 tons, 10.1 %
- Conning Towers: 63 tons, 0.3 %
Machinery: 3,025 tons, 15.1 %
Hull, fittings & equipment: 6,297 tons, 31.5 %
Fuel, ammunition & stores: 4,008 tons, 20.0 %
Miscellaneous weights: 800 tons, 4.0 %
- Hull above water: 200 tons
- On freeboard deck: 300 tons
- Above deck: 300 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
27,981 lbs / 12,692 Kg = 114.6 x 7.9 " / 200 mm shells or 2.6 torpedoes
Stability (Unstable if below 1.00): 1.03
Metacentric height 3.7 ft / 1.1 m
Roll period: 17.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.49
Seaboat quality (Average = 1.00): 1.04
Hull form characteristics:
Hull has a flush deck,
a straight bulbous bow and small transom stern
Block coefficient (normal/deep): 0.504 / 0.518
Length to Beam Ratio: 8.54 : 1
'Natural speed' for length: 28.02 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 68
Bow angle (Positive = bow angles forward): 28.00 degrees
Stern overhang: 16.40 ft / 5.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 28.54 ft / 8.70 m, 23.33 ft / 7.11 m
- Forward deck: 30.00 %, 23.33 ft / 7.11 m, 18.14 ft / 5.53 m
- Aft deck: 35.00 %, 18.14 ft / 5.53 m, 18.14 ft / 5.53 m
- Quarter deck: 15.00 %, 18.14 ft / 5.53 m, 18.14 ft / 5.53 m
- Average freeboard: 20.37 ft / 6.21 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 72.4 %
- Above water (accommodation/working, high = better): 156.2 %
Waterplane Area: 36,251 Square feet or 3,368 Square metres
Displacement factor (Displacement / loading): 129 %
Structure weight / hull surface area: 130 lbs/sq ft or 635 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.28
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
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