USS Arizona, BB-75

USS Arizona, American Arizona-class battleships laid down 1947 (Engine 1949)

Displacement:
	73,792 t light; 78,741 t standard; 85,343 t normal; 90,625 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(931.99 ft / 900.72 ft) x 125.00 ft x (37.00 / 38.93 ft)
	(284.07 m / 274.54 m) x 38.10 m  x (11.28 / 11.87 m)

Armament:
      12 - 16.00" / 406 mm 50.0 cal guns - 2,700.00lbs / 1,224.70kg shells, 135 per gun
	  Breech loading guns in turret on barbette mounts, 1947 Model
	  2 x 3-gun mounts on centreline, forward deck forward
		1 raised mount - superfiring
	  2 x 3-gun mounts on centreline, aft deck aft
		1 raised mount aft - superfiring
      16 - 6.00" / 152 mm 47.0 cal guns - 130.01lbs / 58.97kg shells, 403 per gun
	  Dual purpose guns in turret on barbette mounts, 1947 Model
	  4 x 2-gun mounts on sides, forward deck aft
		2 raised mounts - superfiring
	  4 x 2-gun mounts on sides, aft deck forward
		2 raised mounts - superfiring
      24 - 3.00" / 76.2 mm 50.0 cal guns - 13.01lbs / 5.90kg shells, 1,500 per gun
	  Dual purpose guns in deck mounts, 1947 Model
	  6 x 2-gun mounts on sides, forward evenly spread
		4 raised mounts
	  6 x 2-gun mounts on sides, aft evenly spread
		4 raised mounts
      8 - 3.00" / 76.2 mm 50.0 cal guns - 13.01lbs / 5.90kg shells, 1,500 per gun
	  Dual purpose guns in deck mounts, 1947 Model
	  8 x Single mounts on sides, evenly spread
		6 raised mounts
      Weight of broadside 34,896 lbs / 15,829 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	16.1" / 409 mm	414.34 ft / 126.29 m	13.42 ft / 4.09 m
	Ends:	2.00" / 51 mm	486.38 ft / 148.25 m	13.42 ft / 4.09 m
	Upper:	3.00" / 76 mm	414.34 ft / 126.29 m	8.01 ft / 2.44 m
	  Main Belt covers 71 % of normal length
	  Main Belt inclined -19.00 degrees (positive = in)

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		8.50" / 216 mm	414.34 ft / 126.29 m	36.12 ft / 11.01 m
	Beam between torpedo bulkheads 114.00 ft / 34.75 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	22.5" / 572 mm	12.0" / 305 mm		21.3" / 541 mm
	2nd:	6.00" / 152 mm	4.02" / 102 mm		5.00" / 127 mm

   - Armoured deck - multiple decks:
	For and Aft decks: 9.00" / 229 mm
	Forecastle: 1.00" / 25 mm  Quarter deck: 1.00" / 25 mm

   - Conning towers: Forward 18.00" / 457 mm, Aft 10.00" / 254 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 4 shafts, 183,238 shp / 136,695 Kw = 29.00 kts
	Range 15,000nm at 15.00 kts
	Bunker at max displacement = 11,883 tons

Complement:
	2,496 - 3,245

Cost:
	£44.365 million / $177.460 million

Distribution of weights at normal displacement:
	Armament: 6,391 tons, 7.5 %
	   - Guns: 6,391 tons, 7.5 %
	Armour: 32,758 tons, 38.4 %
	   - Belts: 5,176 tons, 6.1 %
	   - Torpedo bulkhead: 4,709 tons, 5.5 %
	   - Armament: 10,433 tons, 12.2 %
	   - Armour Deck: 11,270 tons, 13.2 %
	   - Conning Towers: 1,169 tons, 1.4 %
	Machinery: 4,430 tons, 5.2 %
	Hull, fittings & equipment: 30,063 tons, 35.2 %
	Fuel, ammunition & stores: 11,551 tons, 13.5 %
	Miscellaneous weights: 150 tons, 0.2 %
	   - Above deck: 150 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  190,491 lbs / 86,405 Kg = 93.0 x 16.0 " / 406 mm shells or 43.6 torpedoes
	Stability (Unstable if below 1.00): 1.12
	Metacentric height 8.6 ft / 2.6 m
	Roll period: 17.9 seconds
	Steadiness	- As gun platform (Average = 50 %): 64 %
			- Recoil effect (Restricted arc if above 1.00): 1.00
	Seaboat quality  (Average = 1.00): 1.60

Hull form characteristics:
	Hull has a flush deck,
	  an extended bulbous bow and large transom stern
	Block coefficient (normal/deep): 0.717 / 0.724
	Length to Beam Ratio: 7.21 : 1
	'Natural speed' for length: 34.40 kts
	Power going to wave formation at top speed: 51 %
	Trim (Max stability = 0, Max steadiness = 100): 40
	Bow angle (Positive = bow angles forward): 37.10 degrees
	Stern overhang: 3.28 ft / 1.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	27.00 %,  37.00 ft / 11.28 m,  35.01 ft / 10.67 m
	   - Forward deck:	23.00 %,  35.01 ft / 10.67 m,  35.01 ft / 10.67 m
	   - Aft deck:	23.00 %,  35.01 ft / 10.67 m,  35.01 ft / 10.67 m
	   - Quarter deck:	27.00 %,  35.01 ft / 10.67 m,  35.01 ft / 10.67 m
	   - Average freeboard:		35.22 ft / 10.74 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 55.1 %
		- Above water (accommodation/working, high = better): 255.7 %
	Waterplane Area: 95,702 Square feet or 8,891 Square metres
	Displacement factor (Displacement / loading): 123 %
	Structure weight / hull surface area: 249 lbs/sq ft or 1,217 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.94
		- Longitudinal: 1.79
		- Overall: 1.00
	Excellent machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Excellent seaboat, comfortable, can fire her guns in the heaviest weather