Using 1.1" and 0.5" for now. Would prefer the 40mm and 20mm from OTL and that's what's in the drawing.
USS Lexington, United States Battlecruiser laid down 1919 (Engine 193
Displacement:
43,187 t light; 45,849 t standard; 49,053 t normal; 51,617 t full load
Dimensions: Length overall / water x beam x draught
871.54 ft / 850.00 ft x 100.00 ft (Bulges 110.00 ft) x 31.55 ft (normal load)
265.65 m / 259.08 m x 30.48 m (Bulges 33.53 m) x 9.62 m
Armament:
8 - 16.00" / 406 mm guns (4x2 guns), 2,700.00lbs / 1,224.70kg shells, 1938 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
24 - 5.00" / 127 mm guns (12x2 guns), 55.00lbs / 24.95kg shells, 1938 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships, 4 raised mounts - superfiring
56 - 1.10" / 27.9 mm guns (14x4 guns), 0.67lbs / 0.30kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 10 raised mounts
44 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1938 Model
Machine guns in deck mounts
on side, evenly spread, 26 raised mounts
Weight of broadside 22,960 lbs / 10,415 kg
Shells per gun, main battery: 130
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.0" / 305 mm 624.00 ft / 190.20 m 12.00 ft / 3.66 m
Ends: Unarmoured
Main Belt covers 113 % of normal length
- Torpedo Bulkhead and Bulges:
3.00" / 76 mm 624.00 ft / 190.20 m 29.00 ft / 8.84 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.0" / 330 mm 6.00" / 152 mm 12.0" / 305 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
- Armour deck: 4.50" / 114 mm, Conning tower: 12.00" / 305 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 210,436 shp / 156,985 Kw = 32.00 kts
Range 10,000nm at 15.00 kts
Bunker at max displacement = 5,768 tons
Complement:
1,647 - 2,142
Cost:
£9.164 million / $36.657 million
Distribution of weights at normal displacement:
Armament: 2,241 tons, 4.6 %
Armour: 14,740 tons, 30.0 %
- Belts: 3,732 tons, 7.6 %
- Torpedo bulkhead: 2,009 tons, 4.1 %
- Armament: 3,564 tons, 7.3 %
- Armour Deck: 5,089 tons, 10.4 %
- Conning Tower: 346 tons, 0.7 %
Machinery: 5,762 tons, 11.7 %
Hull, fittings & equipment: 20,244 tons, 41.3 %
Fuel, ammunition & stores: 5,866 tons, 12.0 %
Miscellaneous weights: 200 tons, 0.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
66,150 lbs / 30,005 Kg = 32.3 x 16.0 " / 406 mm shells or 10.5 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 6.0 ft / 1.8 m
Roll period: 18.9 seconds
Steadiness - As gun platform (Average = 50 %): 61 %
- Recoil effect (Restricted arc if above 1.00): 0.88
Seaboat quality (Average = 1.00): 1.08
Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.582
Length to Beam Ratio: 7.73 : 1
'Natural speed' for length: 29.15 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 56
Bow angle (Positive = bow angles forward): 34.20 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 31.70 ft / 9.66 m
- Forecastle (20 %): 27.70 ft / 8.44 m
- Mid (50 %): 25.70 ft / 7.83 m
- Quarterdeck (18 %): 18.70 ft / 5.70 m (25.70 ft / 7.83 m before break)
- Stern: 18.70 ft / 5.70 m
- Average freeboard: 25.42 ft / 7.75 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 93.5 %
- Above water (accommodation/working, high = better): 185.2 %
Waterplane Area: 61,129 Square feet or 5,679 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 222 lbs/sq ft or 1,083 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.23
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent