Zhao Rang-Class Coastal Defense Ship [1900] (Taishe)

Zhao Rang-Class, Taishe Dynasty Coastal Defense Ship laid down 1900

Displacement:
	6,074 t light; 6,500 t standard; 7,090 t normal; 7,562 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(344.49 ft / 328.08 ft) x 65.62 ft x (22.97 / 24.11 ft)
	(105.00 m / 100.00 m) x 20.00 m  x (7.00 / 7.35 m)

Armament:
      4 - 9.84" / 250 mm 50.0 cal guns - 504.70lbs / 228.93kg shells, 100 per gun
	  Breech loading guns in turret on barbette mounts, 1898 Model
	  2 x Twin mounts on centreline, evenly spread
      12 - 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
		8 hull mounts in casemates- Limited use in all but light seas
      8 - 2.95" / 75.0 mm 45.0 cal guns - 12.99lbs / 5.89kg shells, 400 per gun
	  Quick firing guns in deck mounts, 1894 Model
	  8 x Single mounts on sides, evenly spread
		8 raised mounts
      16 - 1.46" / 37.0 mm 30.0 cal guns - 1.41lbs / 0.64kg shells, 500 per gun
	  Quick firing guns in deck mounts, 1890 Model
	  4 x 2 row quad mounts on sides, evenly spread
		4 double raised mounts
      Weight of broadside 3,431 lbs / 1,556 kg
      Main Torpedoes
      4 - 15.7" / 400 mm, 13.12 ft / 4.00 m torpedoes - 0.381 t each, 1.524 t total
	submerged bow & stern tubes
      2nd Torpedoes
      4 - 15.7" / 400 mm, 13.12 ft / 4.00 m torpedoes - 0.381 t each, 1.524 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	9.84" / 250 mm	213.25 ft / 65.00 m	9.71 ft / 2.96 m
	Ends:	2.95" / 75 mm	114.80 ft / 34.99 m	9.71 ft / 2.96 m
	Upper:	3.94" / 100 mm	213.25 ft / 65.00 m	8.01 ft / 2.44 m
	  Main Belt covers 100 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		2.95" / 75 mm	213.25 ft / 65.00 m	20.24 ft / 6.17 m
	Beam between torpedo bulkheads 59.06 ft / 18.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	9.84" / 250 mm	8.27" / 210 mm		8.27" / 210 mm
	2nd:	5.91" / 150 mm	0.98" / 25 mm		5.91" / 150 mm
	3rd:	1.97" / 50 mm	      -			      -
	4th:	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 9.84" / 250 mm, Aft 0.00" / 0 mm

Machinery:
	Coal and oil fired boilers, complex reciprocating steam engines,
	Direct drive, 2 shafts, 4,668 ihp / 3,482 Kw = 15.00 kts
	Range 2,000nm at 15.00 kts
	Bunker at max displacement = 1,061 tons (90% coal)

Complement:
	386 - 502

Cost:
	£0.593 million / $2.373 million

Distribution of weights at normal displacement:
	Armament: 756 tons, 10.7 %
	   - Guns: 751 tons, 10.6 %
	   - Weapons: 5 tons, 0.1 %
	Armour: 3,047 tons, 43.0 %
	   - Belts: 1,342 tons, 18.9 %
	   - Torpedo bulkhead: 472 tons, 6.7 %
	   - Armament: 628 tons, 8.9 %
	   - Armour Deck: 528 tons, 7.4 %
	   - Conning Tower: 78 tons, 1.1 %
	Machinery: 722 tons, 10.2 %
	Hull, fittings & equipment: 1,424 tons, 20.1 %
	Fuel, ammunition & stores: 1,016 tons, 14.3 %
	Miscellaneous weights: 125 tons, 1.8 %
	   - On freeboard deck: 25 tons
	   - Above deck: 100 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  10,087 lbs / 4,576 Kg = 21.2 x 9.8 " / 250 mm shells or 8.7 torpedoes
	Stability (Unstable if below 1.00): 1.35
	Metacentric height 4.5 ft / 1.4 m
	Roll period: 12.9 seconds
	Steadiness	- As gun platform (Average = 50 %): 96 %
			- Recoil effect (Restricted arc if above 1.00): 0.44
	Seaboat quality  (Average = 1.00): 1.92

Hull form characteristics:
	Hull has a flush deck,
	  a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.502 / 0.510
	Length to Beam Ratio: 5.00 : 1
	'Natural speed' for length: 18.11 kts
	Power going to wave formation at top speed: 41 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): -8.00 degrees
	Stern overhang: 6.56 ft / 2.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	20.00 %,  18.04 ft / 5.50 m,  15.58 ft / 4.75 m
	   - Forward deck:	30.00 %,  15.58 ft / 4.75 m,  12.30 ft / 3.75 m
	   - Aft deck:	35.00 %,  12.30 ft / 3.75 m,  12.30 ft / 3.75 m
	   - Quarter deck:	15.00 %,  12.30 ft / 3.75 m,  12.30 ft / 3.75 m
	   - Average freeboard:		13.65 ft / 4.16 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 79.4 %
		- Above water (accommodation/working, high = better): 92.6 %
	Waterplane Area: 14,369 Square feet or 1,335 Square metres
	Displacement factor (Displacement / loading): 97 %
	Structure weight / hull surface area: 110 lbs/sq ft or 539 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.88
		- Longitudinal: 2.93
		- Overall: 1.00
	Excellent 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