USS MIchigan, BB-73 SpringSharp output

USS Michigan, USN Ohio-class Battleship laid down 1945

Displacement:
	69,938 t light; 74,800 t standard; 78,911 t normal; 82,201 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(954.02 ft / 925.00 ft) x 130.00 ft x (36.00 / 37.26 ft)
	(290.78 m / 281.94 m) x 39.62 m  x (10.97 / 11.36 m)

Armament:
      9 - 18.00" / 457 mm 48.0 cal guns - 3,850.00lbs / 1,746.33kg shells, 130 per gun
	  Breech loading guns in turret on barbette mounts, 1945 Model
	  2 x 3-gun mounts on centreline, forward deck forward
		1 raised mount - superfiring
	  1 x 3-gun mount on centreline, aft deck aft
      20 - 5.00" / 127 mm 54.0 cal guns - 70.00lbs / 31.75kg shells, 500 per gun
	  Dual purpose guns in deck and hoist mounts, 1945 Model
	  6 x Twin mounts on sides, forward deck aft
		2 raised mounts - superfiring
	  4 x Twin mounts on sides, aft deck forward
		2 raised mounts - superfiring
      28 - 3.00" / 76.2 mm 50.0 cal guns - 13.01lbs / 5.90kg shells, 1,500 per gun
	  Dual purpose guns in deck and hoist mounts, 1945 Model
	  12 x Twin mounts on sides, evenly spread
		6 raised mounts
	  2 x Twin mounts on centreline ends, evenly spread
		2 double raised mounts
      40 - 1.57" / 40.0 mm 56.3 cal guns - 1.98lbs / 0.90kg shells, 2,000 per gun
	  Anti-air guns in deck mounts, 1945 Model
	  6 x Quad mounts on sides, forward evenly spread
		2 raised mounts
	  4 x Quad mounts on sides, aft evenly spread
		2 raised mounts
      Weight of broadside 36,493 lbs / 16,553 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	16.1" / 409 mm	398.31 ft / 121.40 m	13.68 ft / 4.17 m
	Ends:	1.00" / 25 mm	526.68 ft / 160.53 m	13.68 ft / 4.17 m
	Upper:	15.3" / 387 mm	398.31 ft / 121.40 m	8.00 ft / 2.44 m
	  Main Belt covers 66 % of normal length
	  Main Belt inclined -15.00 degrees (positive = in)

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		11.0" / 279 mm	398.31 ft / 121.40 m	34.44 ft / 10.50 m
	Beam between torpedo bulkheads 118.00 ft / 35.97 m

   - Hull void:
		0.00" / 0 mm	  0.00 ft / 0.00 m	0.00 ft / 0.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	22.5" / 572 mm	9.00" / 229 mm		21.3" / 541 mm
	2nd:	5.00" / 127 mm	2.00" / 51 mm		5.00" / 127 mm

   - Box over machinery & magazines:
	7.05" / 179 mm
	Forecastle: 2.24" / 57 mm  Quarter deck: 2.24" / 57 mm

   - Conning towers: Forward 18.00" / 457 mm, Aft 7.05" / 179 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 4 shafts, 225,019 shp / 167,864 Kw = 30.19 kts
	Range 10,000nm at 15.00 kts
	Bunker at max displacement = 7,401 tons

Complement:
	2,353 - 3,060

Cost:
	£42.697 million / $170.790 million

Distribution of weights at normal displacement:
	Armament: 6,006 tons, 7.6 %
	   - Guns: 6,006 tons, 7.6 %
	Armour: 26,080 tons, 33.1 %
	   - Belts: 6,747 tons, 8.5 %
	   - Torpedo bulkhead: 5,583 tons, 7.1 %
	   - Armament: 7,958 tons, 10.1 %
	   - Armour Deck: 4,800 tons, 6.1 %
	   - Conning Towers: 993 tons, 1.3 %
	Machinery: 5,682 tons, 7.2 %
	Hull, fittings & equipment: 31,535 tons, 40.0 %
	Fuel, ammunition & stores: 8,973 tons, 11.4 %
	Miscellaneous weights: 635 tons, 0.8 %
	   - Hull below water: 175 tons
	   - Hull void weights: 175 tons
	   - Hull above water: 125 tons
	   - On freeboard deck: 85 tons
	   - Above deck: 75 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  153,609 lbs / 69,676 Kg = 52.7 x 18.0 " / 457 mm shells or 33.2 torpedoes
	Stability (Unstable if below 1.00): 1.16
	Metacentric height 9.7 ft / 3.0 m
	Roll period: 17.5 seconds
	Steadiness	- As gun platform (Average = 50 %): 70 %
			- Recoil effect (Restricted arc if above 1.00): 0.96
	Seaboat quality  (Average = 1.00): 1.62

Hull form characteristics:
	Hull has a flush deck,
	  an extended bulbous bow and a round stern
	Block coefficient (normal/deep): 0.638 / 0.642
	Length to Beam Ratio: 7.12 : 1
	'Natural speed' for length: 30.41 kts
	Power going to wave formation at top speed: 50 %
	Trim (Max stability = 0, Max steadiness = 100): 43
	Bow angle (Positive = bow angles forward): 30.00 degrees
	Stern overhang: 6.50 ft / 1.98 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	28.47 %,  39.00 ft / 11.89 m,  36.00 ft / 10.97 m
	   - Forward deck:	21.53 %,  36.00 ft / 10.97 m,  36.00 ft / 10.97 m
	   - Aft deck:	21.53 %,  36.00 ft / 10.97 m,  36.00 ft / 10.97 m
	   - Quarter deck:	28.47 %,  36.00 ft / 10.97 m,  36.00 ft / 10.97 m
	   - Average freeboard:		36.34 ft / 11.08 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 66.2 %
		- Above water (accommodation/working, high = better): 265.5 %
	Waterplane Area: 91,108 Square feet or 8,464 Square metres
	Displacement factor (Displacement / loading): 119 %
	Structure weight / hull surface area: 261 lbs/sq ft or 1,277 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.93
		- Longitudinal: 1.90
		- 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

One of 4 Ohio-class battleships constructed by the United States of America at the end of World War II. Served with distinction in the Korean War, the Vietnam War, World War III, the American Intervention in the Lebanese Civil War, and the Gulf War.