Takemura-Class Battleship [1922] (Jayu)

Takemura-Class, Jayu Battleship laid down 1922

Displacement:
	31,833 t light; 34,048 t standard; 35,361 t normal; 36,412 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(665.72 ft / 656.17 ft) x 108.27 ft x (32.81 / 33.53 ft)
	(202.91 m / 200.00 m) x 33.00 m  x (10.00 / 10.22 m)

Armament:
      8 - 17.48" / 444 mm 40.0 cal guns - 2,400.00lbs / 1,088.62kg shells, 100 per gun
	  Breech loading guns in turret on barbette mounts, 1922 Model
	  2 x 2-gun mounts on centreline, forward evenly spread
		1 raised mount
	  2 x 2-gun mounts on centreline, aft evenly spread
		1 raised mount aft
      12 - 4.37" / 111 mm 40.0 cal guns - 39.99lbs / 18.14kg shells, 500 per gun
	  Quick firing guns in deck mounts, 1922 Model
	  6 x Twin mounts on sides, evenly spread
		6 raised mounts
      12 - 6.54" / 166 mm 40.0 cal guns - 142.00lbs / 64.41kg shells, 300 per gun
	  Quick firing guns in casemate mounts, 1922 Model
	  12 x Single mounts on sides, evenly spread
      8 - 3.06" / 77.8 mm 40.0 cal guns - 13.76lbs / 6.24kg shells, 300 per gun
	  Quick firing guns in deck mounts, 1922 Model
	  8 x Single mounts on sides, evenly spread
		8 raised mounts
      16 - 0.87" / 22.0 mm 40.0 cal guns - 0.31lbs / 0.14kg shells, 2,000 per gun
	  Anti-air guns in deck mounts, 1922 Model
	  8 x Twin mounts on sides, evenly spread
      Weight of broadside 21,499 lbs / 9,752 kg
      Main Torpedoes
      12 - 21.9" / 555 mm, 26.25 ft / 8.00 m torpedoes - 1.809 t each, 21.703 t total
	In 4 sets of deck mounted side rotating tubes

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	12.2" / 311 mm	426.84 ft / 130.10 m	12.50 ft / 3.81 m
	Ends:	Unarmoured
	  Main Belt covers 100 % of normal length
	  Main Belt inclined -10.00 degrees (positive = in)

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		2.17" / 55 mm	426.84 ft / 130.10 m	29.69 ft / 9.05 m
	Beam between torpedo bulkheads 75.46 ft / 23.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	15.3" / 388 mm	6.10" / 155 mm		11.3" / 288 mm
	2nd:	2.17" / 55 mm	0.87" / 22 mm		      -
	3rd:	3.03" / 77 mm	0.87" / 22 mm		      -
	4th:	0.87" / 22 mm	      -			      -

   - Armoured deck - multiple decks:
	For and Aft decks: 4.80" / 122 mm
	Forecastle: 1.30" / 33 mm  Quarter deck: 1.30" / 33 mm

   - Conning towers: Forward 13.11" / 333 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 4 shafts, 71,036 shp / 52,993 Kw = 26.00 kts
	Range 5,000nm at 13.00 kts
	Bunker at max displacement = 2,364 tons

Complement:
	1,289 - 1,676

Cost:
	£8.838 million / $35.352 million

Distribution of weights at normal displacement:
	Armament: 3,830 tons, 10.8 %
	   - Guns: 3,787 tons, 10.7 %
	   - Weapons: 43 tons, 0.1 %
	Armour: 11,482 tons, 32.5 %
	   - Belts: 2,871 tons, 8.1 %
	   - Torpedo bulkhead: 1,015 tons, 2.9 %
	   - Armament: 3,367 tons, 9.5 %
	   - Armour Deck: 3,924 tons, 11.1 %
	   - Conning Tower: 304 tons, 0.9 %
	Machinery: 2,410 tons, 6.8 %
	Hull, fittings & equipment: 13,861 tons, 39.2 %
	Fuel, ammunition & stores: 3,528 tons, 10.0 %
	Miscellaneous weights: 250 tons, 0.7 %
	   - Hull below water: 100 tons
	   - On freeboard deck: 50 tons
	   - Above deck: 100 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  48,977 lbs / 22,216 Kg = 18.3 x 17.5 " / 444 mm shells or 6.1 torpedoes
	Stability (Unstable if below 1.00): 1.11
	Metacentric height 6.9 ft / 2.1 m
	Roll period: 17.3 seconds
	Steadiness	- As gun platform (Average = 50 %): 60 %
			- Recoil effect (Restricted arc if above 1.00): 0.78
	Seaboat quality  (Average = 1.00): 1.21

Hull form characteristics:
	Hull has a flush deck,
	  a straight bulbous bow and large transom stern
	Block coefficient (normal/deep): 0.531 / 0.535
	Length to Beam Ratio: 6.06 : 1
	'Natural speed' for length: 30.41 kts
	Power going to wave formation at top speed: 51 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 20.00 degrees
	Stern overhang: 0.00 ft / 0.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	20.00 %,  26.25 ft / 8.00 m,  22.97 ft / 7.00 m
	   - Forward deck:	30.00 %,  22.97 ft / 7.00 m,  19.69 ft / 6.00 m
	   - Aft deck:	35.00 %,  19.69 ft / 6.00 m,  19.69 ft / 6.00 m
	   - Quarter deck:	15.00 %,  19.69 ft / 6.00 m,  19.69 ft / 6.00 m
	   - Average freeboard:		21.10 ft / 6.43 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 100.0 %
		- Above water (accommodation/working, high = better): 151.1 %
	Waterplane Area: 50,686 Square feet or 4,709 Square metres
	Displacement factor (Displacement / loading): 105 %
	Structure weight / hull surface area: 228 lbs/sq ft or 1,112 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.93
		- Longitudinal: 1.94
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Good seaboat, rides out heavy weather easily

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Additional Weight:
-Flag Facilities (100 Tons)
-1 Air Compressed Catapult (25 Tons)
-1 Heavy Crane (25 Tons)
-2 Floatplanes with Hangars (2*(20+30)=100)