1941 USN 45000t USS Constellation

USS Constellation, United States Navy 104-gun Ship of the Line laid down 1941

Displacement:
	40,993 t light; 45,000 t standard; 50,002 t normal; 54,003 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(860.00 ft / 820.00 ft) x 96.00 ft (Bulges 108.00 ft) x (33.00 / 35.34 ft)
	(262.13 m / 249.94 m) x 29.26 m (Bulges 32.92 m)  x (10.06 / 10.77 m)

Armament:
      4 - 18.00" / 457 mm 45.0 cal guns - 3,850.00lbs / 1,746.33kg shells, 100 per gun
	  Breech loading guns in turret on barbette mounts, 1920 Model
	  2 x Twin mounts on centreline ends, evenly spread
      30 - 12.00" / 305 mm 10.0 cal guns - 699.99lbs / 317.51kg shells, 100 per gun
	  Breech loading guns in casemate mounts, 1890 Model
	  30 x Single mounts on sides, evenly spread
		30 hull mounts in casemates- Limited use in heavy seas
      36 - 5.98" / 152 mm 47.0 cal guns - 130.00lbs / 58.97kg shells, 150 per gun
	  Quick firing guns in casemate mounts, 1932 Model
	  36 x Single mounts on sides, evenly spread
      18 - 5.00" / 127 mm 54.0 cal guns - 70.00lbs / 31.75kg shells, 450 per gun
	  Dual purpose guns in casemate mounts, 1940 Model
	  18 x Single mounts on sides, evenly spread
		18 raised mounts
      16 - 5.00" / 127 mm 54.0 cal guns - 70.00lbs / 31.75kg shells, 450 per gun
	  Dual purpose guns in deck mounts, 1940 Model
	  4 x Twin mounts on sides, evenly spread
		4 raised mounts
	  4 x Twin mounts on centreline, evenly spread
		4 double raised mounts
      Weight of broadside 43,460 lbs / 19,713 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	16.0" / 406 mm	500.00 ft / 152.40 m	12.00 ft / 3.66 m
	Ends:	2.00" / 51 mm	320.00 ft / 97.54 m	12.00 ft / 3.66 m
	  Main Belt covers 94 % of normal length
	  Main Belt inclined -18.00 degrees (positive = in)

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		2.00" / 51 mm	500.00 ft / 152.40 m	26.00 ft / 7.92 m
	Beam between torpedo bulkheads 68.00 ft / 20.73 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	18.0" / 457 mm	10.0" / 254 mm		18.0" / 457 mm
	2nd:	16.0" / 406 mm	2.00" / 51 mm		2.00" / 51 mm
	3rd:	8.00" / 203 mm	2.00" / 51 mm		8.00" / 203 mm
	4th:	4.00" / 102 mm	2.00" / 51 mm		4.00" / 102 mm
	5th:	2.00" / 51 mm	1.00" / 25 mm		2.00" / 51 mm

   - Armoured deck - multiple decks:
	For and Aft decks: 6.00" / 152 mm
	Forecastle: 2.00" / 51 mm  Quarter deck: 2.00" / 51 mm

   - Conning towers: Forward 18.00" / 457 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Electric motors, 4 shafts, 98,867 shp / 73,755 Kw = 27.00 kts
	Range 15,000nm at 15.00 kts
	Bunker at max displacement = 9,003 tons

Complement:
	1,671 - 2,173

Cost:
	£21.393 million / $85.573 million

Distribution of weights at normal displacement:
	Armament: 3,604 tons, 7.2 %
	   - Guns: 3,604 tons, 7.2 %
	Armour: 16,701 tons, 33.4 %
	   - Belts: 4,381 tons, 8.8 %
	   - Torpedo bulkhead: 962 tons, 1.9 %
	   - Armament: 5,154 tons, 10.3 %
	   - Armour Deck: 5,677 tons, 11.4 %
	   - Conning Tower: 526 tons, 1.1 %
	Machinery: 2,613 tons, 5.2 %
	Hull, fittings & equipment: 17,545 tons, 35.1 %
	Fuel, ammunition & stores: 9,009 tons, 18.0 %
	Miscellaneous weights: 530 tons, 1.1 %
	   - On freeboard deck: 500 tons
	   - Above deck: 30 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  97,494 lbs / 44,222 Kg = 33.4 x 18.0 " / 457 mm shells or 16.4 torpedoes
	Stability (Unstable if below 1.00): 1.34
	Metacentric height 7.9 ft / 2.4 m
	Roll period: 16.1 seconds
	Steadiness	- As gun platform (Average = 50 %): 77 %
			- Recoil effect (Restricted arc if above 1.00): 0.84
	Seaboat quality  (Average = 1.00): 1.55

Hull form characteristics:
	Hull has a flush deck,
	  an extended bulbous bow and large transom stern
	Block coefficient (normal/deep): 0.599 / 0.604
	Length to Beam Ratio: 7.59 : 1
	'Natural speed' for length: 33.05 kts
	Power going to wave formation at top speed: 46 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 45.00 degrees
	Stern overhang: 8.00 ft / 2.44 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	20.00 %,  32.00 ft / 9.75 m,  25.00 ft / 7.62 m
	   - Forward deck:	30.00 %,  25.00 ft / 7.62 m,  20.00 ft / 6.10 m
	   - Aft deck:	30.00 %,  20.00 ft / 6.10 m,  23.00 ft / 7.01 m
	   - Quarter deck:	20.00 %,  23.00 ft / 7.01 m,  25.00 ft / 7.62 m
	   - Average freeboard:		23.56 ft / 7.18 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 73.6 %
		- Above water (accommodation/working, high = better): 150.3 %
	Waterplane Area: 59,938 Square feet or 5,568 Square metres
	Displacement factor (Displacement / loading): 131 %
	Structure weight / hull surface area: 217 lbs/sq ft or 1,061 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.97
		- Longitudinal: 1.40
		- Overall: 1.00
	Excellent machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Ship has slow, easy roll, a good, steady gun platform
	Excellent seaboat, comfortable, can fire her guns in the heaviest weather

18"/48 (1920) (1746.3kg)
12"/10 (1890) (317.5kg)
6"/47 Mark 16 (1932) (59kg)
5"/54 Mark 16 (1940) (31.5kg)
37mm/56 T9 (1937) (0.61kg)

48 (12x4) 37mm guns raised 2x in misc weight 30 tons
500 ton misc weight includes a bunch of seaplanes and handling equipment