1936 USS Indiana

USS Indiana, USA Battlecruiser laid down 1936

Displacement:
	32,843 t light; 35,000 t standard; 39,626 t normal; 43,327 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(790.00 ft / 750.00 ft) x 108.00 ft x (29.40 / 31.53 ft)
	(240.79 m / 228.60 m) x 32.92 m  x (8.96 / 9.61 m)

Armament:
      8 - 12.00" / 305 mm 50.0 cal guns - 1,140.01lbs / 517.10kg shells, 150 per gun
	  Breech loading guns in turret on barbette mounts, 1939 Model
	  2 x Quad mounts on centreline ends, evenly spread
      16 - 8.00" / 203 mm 55.0 cal guns - 259.99lbs / 117.93kg shells, 150 per gun
	  Breech loading guns in turret on barbette mounts, 1933 Model
	  4 x Quad mounts on sides, evenly spread
		4 raised mounts
      16 - 5.00" / 127 mm 38.0 cal guns - 55.18lbs / 25.03kg shells, 500 per gun
	  Breech loading guns in deck and hoist mounts, 1932 Model
	  8 x Twin mounts on sides, evenly spread
      32 - 1.10" / 27.9 mm 75.0 cal guns - 0.93lbs / 0.42kg shells, 800 per gun
	  Breech loading guns in deck mounts, 1929 Model
	  4 x Quad mounts on sides, evenly spread
		4 raised mounts
	  4 x Quad mounts on sides, evenly spread
		4 double raised mounts
      Weight of broadside 14,192 lbs / 6,438 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	12.0" / 305 mm	412.50 ft / 125.73 m	16.00 ft / 4.88 m
	Ends:	Unarmoured
	  Main Belt covers 85 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		1.50" / 38 mm	412.50 ft / 125.73 m	28.07 ft / 8.56 m
	Beam between torpedo bulkheads 81.00 ft / 24.69 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	16.0" / 406 mm	8.00" / 203 mm		6.40" / 163 mm
	2nd:	8.00" / 203 mm	4.00" / 102 mm		4.00" / 102 mm
	3rd:	2.00" / 51 mm	2.00" / 51 mm		2.00" / 51 mm

   - Armoured deck - multiple decks:
	For and Aft decks: 6.00" / 152 mm
	Forecastle: 0.00" / 0 mm  Quarter deck: 6.00" / 152 mm

   - Conning towers: Forward 16.00" / 406 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Electric motors, 4 shafts, 130,363 shp / 97,251 Kw = 30.00 kts
	Range 15,000nm at 15.00 kts
	Bunker at max displacement = 8,326 tons

Complement:
	1,403 - 1,825

Cost:
	£15.855 million / $63.421 million

Distribution of weights at normal displacement:
	Armament: 2,840 tons, 7.2 %
	   - Guns: 2,840 tons, 7.2 %
	Armour: 11,976 tons, 30.2 %
	   - Belts: 3,559 tons, 9.0 %
	   - Torpedo bulkhead: 643 tons, 1.6 %
	   - Armament: 1,663 tons, 4.2 %
	   - Armour Deck: 5,711 tons, 14.4 %
	   - Conning Tower: 401 tons, 1.0 %
	Machinery: 3,658 tons, 9.2 %
	Hull, fittings & equipment: 13,864 tons, 35.0 %
	Fuel, ammunition & stores: 6,783 tons, 17.1 %
	Miscellaneous weights: 505 tons, 1.3 %
	   - Hull above water: 100 tons
	   - On freeboard deck: 200 tons
	   - Above deck: 205 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  67,048 lbs / 30,413 Kg = 77.6 x 12.0 " / 305 mm shells or 10.3 torpedoes
	Stability (Unstable if below 1.00): 1.31
	Metacentric height 9.0 ft / 2.8 m
	Roll period: 15.1 seconds
	Steadiness	- As gun platform (Average = 50 %): 51 %
			- Recoil effect (Restricted arc if above 1.00): 0.37
	Seaboat quality  (Average = 1.00): 1.01

Hull form characteristics:
	Hull has a flush deck,
	  a straight bulbous bow and large transom stern
	Block coefficient (normal/deep): 0.582 / 0.594
	Length to Beam Ratio: 6.94 : 1
	'Natural speed' for length: 31.90 kts
	Power going to wave formation at top speed: 54 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 45.00 degrees
	Stern overhang: 10.00 ft / 3.05 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	30.00 %,  30.00 ft / 9.14 m,  20.00 ft / 6.10 m
	   - Forward deck:	30.00 %,  20.00 ft / 6.10 m,  20.00 ft / 6.10 m
	   - Aft deck:	25.00 %,  20.00 ft / 6.10 m,  20.00 ft / 6.10 m
	   - Quarter deck:	15.00 %,  20.00 ft / 6.10 m,  23.00 ft / 7.01 m
	   - Average freeboard:		21.43 ft / 6.53 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 84.1 %
		- Above water (accommodation/working, high = better): 164.8 %
	Waterplane Area: 60,710 Square feet or 5,640 Square metres
	Displacement factor (Displacement / loading): 122 %
	Structure weight / hull surface area: 191 lbs/sq ft or 930 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.97
		- Longitudinal: 1.26
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Excellent accommodation and workspace room

12" Barbette - 16" above main armoured deck
8" Barbette - 7" above main armoured deck
Above Water: 2 planes in 2 hangars
On Deck: 4 planes, 480 ice cream machines (
Above deck: 2 planes on 2 GP catapults, heavy crane, flag facilities