Hui Zan-Class Armored-Protected Cruiser [1882] (Zhuoteng)

Hui Zan-Class, Zhuoteng Empire Armored-Protected Cruiser laid down 1882

Displacement:
	4,156 t light; 4,375 t standard; 5,309 t normal; 6,056 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(318.24 ft / 314.96 ft) x 52.49 ft x (19.69 / 21.91 ft)
	(97.00 m / 96.00 m) x 16.00 m  x (6.00 / 6.68 m)

Armament:
      2 - 10.63" / 270 mm 25.0 cal guns - 502.92lbs / 228.12kg shells, 60 per gun
	  Breech loading guns in deck and hoist mounts, 1880 Model
	  2 x Single mounts on centreline, evenly spread
      8 - 6.30" / 160 mm 38.0 cal guns - 109.37lbs / 49.61kg shells, 150 per gun
	  Breech loading guns in casemate mounts, 1880 Model
	  8 x Single mounts on sides, evenly spread
      4 - 3.94" / 100 mm 160.0 cal guns - 32.56lbs / 14.77kg shells, 100 per gun
	  Muzzle loading guns in deck mounts, 1872 Model
	  4 x Single mounts on centreline, evenly spread
		4 raised mounts
      Weight of broadside 2,011 lbs / 912 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	5.91" / 150 mm	207.87 ft / 63.36 m	8.69 ft / 2.65 m
	Ends:	Unarmoured
	  Main Belt covers 102 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		0.24" / 6 mm	207.87 ft / 63.36 m	18.31 ft / 5.58 m
	Beam between torpedo bulkheads 45.93 ft / 14.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	5.51" / 140 mm	3.15" / 80 mm		5.91" / 150 mm
	2nd:	3.15" / 80 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 5.91" / 150 mm, Aft 0.00" / 0 mm

Machinery:
	Coal fired boilers, simple reciprocating steam engines,
	Direct drive, 2 shafts, 5,486 ihp / 4,092 Kw = 16.00 kts
	Range 2,000nm at 16.00 kts
	Bunker at max displacement = 1,680 tons (100% coal)

Complement:
	310 - 404

Cost:
	£0.410 million / $1.638 million

Distribution of weights at normal displacement:
	Armament: 298 tons, 5.6 %
	   - Guns: 298 tons, 5.6 %
	Armour: 1,111 tons, 20.9 %
	   - Belts: 468 tons, 8.8 %
	   - Torpedo bulkhead: 33 tons, 0.6 %
	   - Armament: 139 tons, 2.6 %
	   - Armour Deck: 432 tons, 8.1 %
	   - Conning Tower: 39 tons, 0.7 %
	Machinery: 1,104 tons, 20.8 %
	Hull, fittings & equipment: 1,643 tons, 30.9 %
	Fuel, ammunition & stores: 1,153 tons, 21.7 %
	Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  5,928 lbs / 2,689 Kg = 11.2 x 10.6 " / 270 mm shells or 1.4 torpedoes
	Stability (Unstable if below 1.00): 1.53
	Metacentric height 3.9 ft / 1.2 m
	Roll period: 11.2 seconds
	Steadiness	- As gun platform (Average = 50 %): 98 %
			- Recoil effect (Restricted arc if above 1.00): 0.48
	Seaboat quality  (Average = 1.00): 1.96

Hull form characteristics:
	Hull has a flush deck,
	  a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.571 / 0.585
	Length to Beam Ratio: 6.00 : 1
	'Natural speed' for length: 17.75 kts
	Power going to wave formation at top speed: 45 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): -10.00 degrees
	Stern overhang: -3.28 ft / -1.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	19.00 %,  15.58 ft / 4.75 m,  13.94 ft / 4.25 m
	   - Forward deck:	30.00 %,  13.94 ft / 4.25 m,  12.30 ft / 3.75 m
	   - Aft deck:	36.00 %,  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:		12.99 ft / 3.96 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): 91.7 %
	Waterplane Area: 11,767 Square feet or 1,093 Square metres
	Displacement factor (Displacement / loading): 122 %
	Structure weight / hull surface area: 103 lbs/sq ft or 505 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.90
		- Longitudinal: 2.46
		- 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