Hana Bi-Class Battleship [1893] (Taishe)

Hana Bi-Class, Taishe Dynasty Battleship laid down 1893

Displacement:
	12,190 t light; 13,000 t standard; 14,528 t normal; 15,750 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(416.67 ft / 410.11 ft) x 82.02 ft x (26.25 / 28.03 ft)
	(127.00 m / 125.00 m) x 25.00 m  x (8.00 / 8.54 m)

Armament:
      4 - 12.60" / 320 mm 40.0 cal guns - 958.23lbs / 434.65kg shells, 100 per gun
	  Breech loading guns in turret on barbette mounts, 1894 Model
	  2 x Twin mounts on centreline, evenly spread
      4 - 7.87" / 200 mm 45.0 cal guns - 246.18lbs / 111.66kg shells, 175 per gun
	  Breech loading guns in casemate mounts, 1894 Model
	  4 x Single mounts on sides, evenly spread
      13 - 5.91" / 150 mm 47.0 cal guns - 107.12lbs / 48.59kg shells, 200 per gun
	  Quick firing guns in casemate mounts, 1894 Model
	  12 x Single mounts on sides, evenly spread
	  1 x Single mount on centreline, forward deck forward
      14 - 2.95" / 75.0 mm 45.0 cal guns - 12.98lbs / 5.89kg shells, 300 per gun
	  Breech loading guns in deck mounts, 1894 Model
	  14 x Single mounts on sides, evenly spread
		14 raised mounts
      64 - 1.46" / 37.0 mm 30.0 cal guns - 1.42lbs / 0.65kg shells, 500 per gun
	  Quick firing guns in deck mounts, 1890 Model
	  8 x 2 row octuple mounts on centreline, evenly spread
		8 double raised mounts
      Weight of broadside 6,483 lbs / 2,941 kg
      Main Torpedoes
      4 - 23.6" / 600 mm, 6.56 ft / 2.00 m torpedoes - 0.327 t each, 1.307 t total
	In 4 sets of deck mounted carriage/fixed tubes
      2nd Torpedoes
      8 - 23.6" / 600 mm, 6.56 ft / 2.00 m torpedoes - 0.327 t each, 2.614 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	15.0" / 380 mm	266.57 ft / 81.25 m	10.86 ft / 3.31 m
	Ends:	5.91" / 150 mm	143.50 ft / 43.74 m	10.86 ft / 3.31 m
	Upper:	5.91" / 150 mm	266.57 ft / 81.25 m	8.01 ft / 2.44 m
	  Main Belt covers 100 % of normal length
	  Main Belt inclined 5.00 degrees (positive = in)

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		1.97" / 50 mm	266.57 ft / 81.25 m	24.08 ft / 7.34 m
	Beam between torpedo bulkheads 49.21 ft / 15.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	15.0" / 380 mm	9.84" / 250 mm		15.0" / 380 mm
	2nd:	7.87" / 200 mm	3.94" / 100 mm		7.87" / 200 mm
	3rd:	5.91" / 150 mm	3.94" / 100 mm		5.91" / 150 mm
	4th:	0.98" / 25 mm	      -			      -
	5th:	0.98" / 25 mm	      -			      -

   - Armoured deck - multiple decks:
	For and Aft decks: 1.97" / 50 mm
	Forecastle: 1.97" / 50 mm  Quarter deck: 1.97" / 50 mm

   - Conning towers: Forward 14.96" / 380 mm, Aft 4.72" / 120 mm

Machinery:
	Coal fired boilers, complex reciprocating steam engines,
	Direct drive, 2 shafts, 7,034 ihp / 5,248 Kw = 15.00 kts
	Range 8,000nm at 10.00 kts
	Bunker at max displacement = 2,751 tons (100% coal)

Complement:
	661 - 860

Cost:
	£1.045 million / $4.182 million

Distribution of weights at normal displacement:
	Armament: 1,040 tons, 7.2 %
	   - Guns: 1,035 tons, 7.1 %
	   - Weapons: 5 tons, 0.0 %
	Armour: 5,857 tons, 40.3 %
	   - Belts: 2,879 tons, 19.8 %
	   - Torpedo bulkhead: 468 tons, 3.2 %
	   - Armament: 1,375 tons, 9.5 %
	   - Armour Deck: 883 tons, 6.1 %
	   - Conning Towers: 253 tons, 1.7 %
	Machinery: 1,234 tons, 8.5 %
	Hull, fittings & equipment: 3,959 tons, 27.3 %
	Fuel, ammunition & stores: 2,338 tons, 16.1 %
	Miscellaneous weights: 100 tons, 0.7 %
	   - Above deck: 100 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  25,564 lbs / 11,596 Kg = 25.6 x 12.6 " / 320 mm shells or 21.5 torpedoes
	Stability (Unstable if below 1.00): 1.39
	Metacentric height 6.6 ft / 2.0 m
	Roll period: 13.4 seconds
	Steadiness	- As gun platform (Average = 50 %): 91 %
			- Recoil effect (Restricted arc if above 1.00): 0.39
	Seaboat quality  (Average = 1.00): 1.82

Hull form characteristics:
	Hull has a flush deck,
	  a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.576 / 0.585
	Length to Beam Ratio: 5.00 : 1
	'Natural speed' for length: 20.25 kts
	Power going to wave formation at top speed: 38 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): -4.00 degrees
	Stern overhang: -3.28 ft / -1.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	20.00 %,  21.33 ft / 6.50 m,  18.04 ft / 5.50 m
	   - Forward deck:	30.00 %,  18.04 ft / 5.50 m,  14.76 ft / 4.50 m
	   - Aft deck:	35.00 %,  14.76 ft / 4.50 m,  14.76 ft / 4.50 m
	   - Quarter deck:	15.00 %,  14.76 ft / 4.50 m,  14.76 ft / 4.50 m
	   - Average freeboard:		16.17 ft / 4.93 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 96.7 %
		- Above water (accommodation/working, high = better): 107.3 %
	Waterplane Area: 24,054 Square feet or 2,235 Square metres
	Displacement factor (Displacement / loading): 115 %
	Structure weight / hull surface area: 147 lbs/sq ft or 719 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.91
		- Longitudinal: 2.32
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Adequate 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