OSK Olmos-class battleship - 1923 Battleship

OSK Olmos, Oltrin State Jewel-Cass Battleship laid down 1923

Displacement:
	32,561 t light; 34,978 t standard; 38,057 t normal; 40,520 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(672.26 ft / 662.00 ft) x 107.00 ft x (33.70 / 35.43 ft)
	(204.90 m / 201.78 m) x 32.61 m  x (10.27 / 10.80 m)

Armament:
      10 - 16.00" / 406 mm 45.0 cal guns - 2,130.00lbs / 966.15kg shells, 120 per gun
	  Breech loading guns in turret on barbette mounts, 1918 Model
	  2 x 3-gun mounts on centreline ends, evenly spread
	  2 x 2-gun mounts on centreline ends, evenly spread
		2 raised mounts
      12 - 5.50" / 140 mm 50.0 cal guns - 85.01lbs / 38.56kg shells, 300 per gun
	  Quick firing guns in turret on barbette mounts, 1921 Model
	  6 x Twin mounts on sides, evenly spread
		2 raised mounts
      16 - 2.50" / 63.5 mm 52.0 cal guns - 12.50lbs / 5.67kg shells, 600 per gun
	  Anti-air guns in deck mounts, 1920 Model
	  8 x Twin mounts on sides, evenly spread
		4 raised mounts
      Weight of broadside 22,520 lbs / 10,215 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	15.0" / 381 mm	397.20 ft / 121.07 m	12.50 ft / 3.81 m
	Ends:	4.00" / 102 mm	264.78 ft / 80.70 m	12.50 ft / 3.81 m
	Upper:	2.00" / 51 mm	397.20 ft / 121.07 m	8.00 ft / 2.44 m
	  Main Belt covers 92 % of normal length
	  Main Belt inclined -7.00 degrees (positive = in)

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		3.70" / 94 mm	397.20 ft / 121.07 m	31.09 ft / 9.48 m
	Beam between torpedo bulkheads 73.00 ft / 22.25 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	16.0" / 406 mm	8.00" / 203 mm		14.0" / 356 mm
	2nd:	4.50" / 114 mm	2.00" / 51 mm		4.00" / 102 mm
	3rd:	1.00" / 25 mm	      -			      -

   - Armoured deck - multiple decks:
	For and Aft decks: 3.70" / 94 mm
	Forecastle: 2.00" / 51 mm  Quarter deck: 2.00" / 51 mm

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

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 4 shafts, 42,295 shp / 31,552 Kw = 21.50 kts
	Range 10,000nm at 15.00 kts
	Bunker at max displacement = 5,542 tons

Complement:
	1,362 - 1,771

Cost:
	£9.838 million / $39.354 million

Distribution of weights at normal displacement:
	Armament: 4,379 tons, 11.5 %
	   - Guns: 4,379 tons, 11.5 %
	Armour: 13,074 tons, 34.4 %
	   - Belts: 4,094 tons, 10.8 %
	   - Torpedo bulkhead: 1,691 tons, 4.4 %
	   - Armament: 3,827 tons, 10.1 %
	   - Armour Deck: 3,072 tons, 8.1 %
	   - Conning Tower: 390 tons, 1.0 %
	Machinery: 1,414 tons, 3.7 %
	Hull, fittings & equipment: 13,489 tons, 35.4 %
	Fuel, ammunition & stores: 5,497 tons, 14.4 %
	Miscellaneous weights: 205 tons, 0.5 %
	   - On freeboard deck: 100 tons
	   - Above deck: 105 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  52,128 lbs / 23,645 Kg = 25.5 x 16.0 " / 406 mm shells or 10.4 torpedoes
	Stability (Unstable if below 1.00): 1.09
	Metacentric height 6.6 ft / 2.0 m
	Roll period: 17.5 seconds
	Steadiness	- As gun platform (Average = 50 %): 55 %
			- Recoil effect (Restricted arc if above 1.00): 0.68
	Seaboat quality  (Average = 1.00): 1.10

Hull form characteristics:
	Hull has rise forward of midbreak,
	  a straight bulbous bow and a cruiser stern
	Block coefficient (normal/deep): 0.558 / 0.565
	Length to Beam Ratio: 6.19 : 1
	'Natural speed' for length: 25.73 kts
	Power going to wave formation at top speed: 41 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 25.00 degrees
	Stern overhang: -6.00 ft / -1.83 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	20.00 %,  22.00 ft / 6.71 m,  18.00 ft / 5.49 m
	   - Forward deck:	46.00 %,  18.00 ft / 5.49 m,  18.00 ft / 5.49 m
	   - Aft deck:	14.00 %,  13.00 ft / 3.96 m,  13.00 ft / 3.96 m
	   - Quarter deck:	20.00 %,  13.00 ft / 3.96 m,  13.00 ft / 3.96 m
	   - Average freeboard:		16.62 ft / 5.07 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 91.1 %
		- Above water (accommodation/working, high = better): 117.3 %
	Waterplane Area: 49,807 Square feet or 4,627 Square metres
	Displacement factor (Displacement / loading): 107 %
	Structure weight / hull surface area: 232 lbs/sq ft or 1,131 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.97
		- Longitudinal: 1.34
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Adequate accommodation and workspace room

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Misc Weight:

Flag Facilities = 100 tons
x2 Gunpowder Rotating Cataplut = 40 tons AD
x2 Floatplanes = 40 tons AD
x1 Heavy Crane  = 25 tons AD


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Armor is split into a 14" main belt internal and a 1" decapping plate of Tarni-Sox Hard Homogenous Special Steel or HHS.