Was messing around with designs for NPCs, and came up with this...
BC32-254, Columbian Large Light Cruiser laid down 1932
Displacement:
20,561 t light; 21,429 t standard; 23,485 t normal; 25,130 t full load
Dimensions: Length overall / water x beam x draught
784.63 ft / 754.59 ft x 75.46 ft x 26.25 ft (normal load)
239.16 m / 230.00 m x 23.00 m x 8.00 m
Armament:
6 - 10.00" / 254 mm guns (2x3 guns), 500.00lbs / 226.80kg shells, 1932 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
4 - 5.51" / 140 mm guns (2x2 guns), 83.78lbs / 38.00kg shells, 1932 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, all raised mounts
12 - 5.51" / 140 mm guns (6x2 guns), 83.78lbs / 38.00kg shells, 1932 Model
Breech loading guns in turrets (on barbettes)
on side, all amidships, 2 raised mounts - superfiring
8 - 3.00" / 76.2 mm guns (4x2 guns), 13.50lbs / 6.12kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
16 - 1.57" / 40.0 mm guns (4x4 guns), 2.00lbs / 0.91kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 4,480 lbs / 2,032 kg
Shells per gun, main battery: 150
6 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 8.86" / 225 mm 492.13 ft / 150.00 m 11.48 ft / 3.50 m
Ends: 1.97" / 50 mm 262.47 ft / 80.00 m 11.48 ft / 3.50 m
Main Belt covers 100 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.86" / 225 mm 5.91" / 150 mm 7.09" / 180 mm
2nd: 3.15" / 80 mm 1.97" / 50 mm 1.97" / 50 mm
3rd: 3.15" / 80 mm - -
4th: 1.18" / 30 mm - -
5th: 0.79" / 20 mm - -
- Armour deck: 3.94" / 100 mm, Conning tower: 3.15" / 80 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 160,000 shp / 119,360 Kw = 34.66 kts
Range 10,000nm at 15.00 kts (Bunkerage = 3,702 tons)
Complement:
948 - 1,233
Cost:
£8.414 million / $33.656 million
Distribution of weights at normal displacement:
Armament: 560 tons, 2.4 %
Armour: 6,410 tons, 27.3 %
- Belts: 2,306 tons, 9.8 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 1,035 tons, 4.4 %
- Armour Deck: 3,013 tons, 12.8 %
- Conning Tower: 56 tons, 0.2 %
Machinery: 4,723 tons, 20.1 %
Hull, fittings & equipment: 8,718 tons, 37.1 %
Fuel, ammunition & stores: 2,925 tons, 12.5 %
Miscellaneous weights: 150 tons, 0.6 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
31,599 lbs / 14,333 Kg = 63.2 x 10.0 " / 254 mm shells or 2.7 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 4.0 ft / 1.2 m
Roll period: 15.8 seconds
Steadiness - As gun platform (Average = 50 %): 59 %
- Recoil effect (Restricted arc if above 1.00): 0.53
Seaboat quality (Average = 1.00): 1.06
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.550
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 31.18 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 56
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: 33.53 ft / 10.22 m
- Forecastle (20 %): 25.43 ft / 7.75 m
- Mid (50 %): 22.51 ft / 6.86 m
- Quarterdeck (15 %): 22.51 ft / 6.86 m
- Stern: 22.51 ft / 6.86 m
- Average freeboard: 24.18 ft / 7.37 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 85.0 %
- Above water (accommodation/working, high = better): 178.7 %
Waterplane Area: 41,372 Square feet or 3,844 Square metres
Displacement factor (Displacement / loading): 115 %
Structure weight / hull surface area: 137 lbs/sq ft or 667 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