Dingye-Class Protected Cruiser [1905] (Taishe)

Dingye-Class, Taishe Dynasty Protected Cruiser laid down 1905

Displacement:
	7,498 t light; 8,000 t standard; 8,784 t normal; 9,411 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(396.98 ft / 393.70 ft) x 78.74 ft x (16.40 / 17.37 ft)
	(121.00 m / 120.00 m) x 24.00 m  x (5.00 / 5.29 m)

Armament:
      4 - 5.91" / 150 mm 47.0 cal guns - 114.64lbs / 52.00kg shells, 200 per gun
	  Quick firing guns in deck and hoist mounts, 1894 Model
	  2 x Twin mounts on centreline, evenly spread
      18 - 5.91" / 150 mm 47.0 cal guns - 114.64lbs / 52.00kg shells, 200 per gun
	  Quick firing guns in deck mounts, 1894 Model
	  18 x Single mounts on sides, evenly spread
      8 - 3.94" / 100 mm 45.0 cal guns - 30.77lbs / 13.96kg shells, 200 per gun
	  Quick firing guns in deck mounts, 1904 Model
	  8 x Single mounts on sides, evenly spread
		8 raised mounts
      48 - 1.46" / 37.0 mm 30.0 cal guns - 1.42lbs / 0.65kg shells, 500 per gun
	  Quick firing guns in deck mounts, 1905 Model
	  6 x 2 row sextuple mounts on sides, evenly spread
		6 raised mounts
      8 - 0.98" / 25.0 mm 55.0 cal guns - 0.51lbs / 0.23kg shells, 150 per gun
	  Breech loading guns in deck mounts, 1898 Model
	  8 x Single mounts on centreline, evenly spread
		8 double raised mounts
      Weight of broadside 2,841 lbs / 1,289 kg
      Main Torpedoes
      4 - 23.6" / 600 mm, 6.56 ft / 2.00 m torpedoes - 0.515 t each, 2.059 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 - 0.515 t each, 4.117 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Ends:	Unarmoured

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		2.95" / 75 mm	393.70 ft / 120.00 m	15.49 ft / 4.72 m
	Beam between torpedo bulkheads 65.62 ft / 20.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	1.97" / 50 mm	1.97" / 50 mm		1.97" / 50 mm
	2nd:	1.97" / 50 mm	0.98" / 25 mm		      -
	4th:	0.98" / 25 mm	      -			      -

   - Protected deck - single deck:
	For and Aft decks: 2.95" / 75 mm
	Forecastle: 2.95" / 75 mm  Quarter deck: 2.95" / 75 mm

   - Conning towers: Forward 5.91" / 150 mm, Aft 0.00" / 0 mm

Machinery:
	Coal and oil fired boilers, complex reciprocating steam engines,
	Direct drive, 2 shafts, 19,898 ihp / 14,844 Kw = 21.00 kts
	Range 7,000nm at 10.00 kts
	Bunker at max displacement = 1,411 tons (75% coal)

Complement:
	453 - 589

Cost:
	£0.809 million / $3.237 million

Distribution of weights at normal displacement:
	Armament: 504 tons, 5.7 %
	   - Guns: 496 tons, 5.7 %
	   - Weapons: 8 tons, 0.1 %
	Armour: 2,172 tons, 24.7 %
	   - Torpedo bulkhead: 666 tons, 7.6 %
	   - Armament: 198 tons, 2.3 %
	   - Armour Deck: 1,254 tons, 14.3 %
	   - Conning Tower: 54 tons, 0.6 %
	Machinery: 2,813 tons, 32.0 %
	Hull, fittings & equipment: 1,908 tons, 21.7 %
	Fuel, ammunition & stores: 1,286 tons, 14.6 %
	Miscellaneous weights: 100 tons, 1.1 %
	   - Above deck: 100 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  9,577 lbs / 4,344 Kg = 93.0 x 5.9 " / 150 mm shells or 4.6 torpedoes
	Stability (Unstable if below 1.00): 2.11
	Metacentric height 11.2 ft / 3.4 m
	Roll period: 9.9 seconds
	Steadiness	- As gun platform (Average = 50 %): 72 %
			- Recoil effect (Restricted arc if above 1.00): 0.10
	Seaboat quality  (Average = 1.00): 1.43

Hull form characteristics:
	Hull has low quarterdeck ,
	  a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.605 / 0.612
	Length to Beam Ratio: 5.00 : 1
	'Natural speed' for length: 19.84 kts
	Power going to wave formation at top speed: 55 %
	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 %,  22.97 ft / 7.00 m,  19.69 ft / 6.00 m
	   - Forward deck:	30.00 %,  19.69 ft / 6.00 m,  16.40 ft / 5.00 m
	   - Aft deck:	35.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
	   - Quarter deck:	15.00 %,  13.12 ft / 4.00 m,  13.12 ft / 4.00 m
	   - Average freeboard:		17.32 ft / 5.28 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 147.2 %
		- Above water (accommodation/working, high = better): 163.9 %
	Waterplane Area: 22,770 Square feet or 2,115 Square metres
	Displacement factor (Displacement / loading): 94 %
	Structure weight / hull surface area: 98 lbs/sq ft or 478 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.92
		- Longitudinal: 1.99
		- Overall: 1.00
	Cramped machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Ship has slow, easy roll, a good, steady gun platform
	Good seaboat, rides out heavy weather easily