Tian Shan, Republic of China Super Cruiser laid down 1937

Tian Shan, Republic of China Super Cruiser laid down 1937

Displacement:
	16.708 t light; 18.000 t standard; 19.415 t normal; 20.548 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(629,64 ft / 623,36 ft) x 68,90 ft x (29,53 / 30,84 ft)
	(191,91 m / 190,00 m) x 21,00 m  x (9,00 / 9,40 m)

Armament:
      6 - 15,00" / 381 mm 45,0 cal guns - 1.937,86lbs / 879,00kg shells, 100 per gun
	  Breech loading guns in turret on barbette mounts, 1938 Model
	  2 x Triple mounts on centreline, evenly spread
      8 - 5,28" / 134 mm 50,0 cal guns - 80,03lbs / 36,30kg shells, 500 per gun
	  Breech loading guns in deck and hoist mounts, 1935 Model
	  4 x Twin mounts on sides, evenly spread
      12 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 6.000 per gun
	  Breech loading guns in deck mounts, 1923 Model
	  2 x Quad mounts on sides amidships
	  1 x Quad mount on centreline amidships (forward deck)
      Weight of broadside 12.292 lbs / 5.575 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	5,98" / 152 mm	473,75 ft / 144,40 m	9,84 ft / 3,00 m
	Ends:	1,57" / 40 mm	149,57 ft / 45,59 m	9,84 ft / 3,00 m
	  Main Belt covers 117 % of normal length
	  Main Belt inclined -12,00 degrees (positive = in)

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		0,98" / 25 mm	473,75 ft / 144,40 m	26,84 ft / 8,18 m
	Beam between torpedo bulkheads 55,77 ft / 17,00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	11,0" / 280 mm	5,00" / 127 mm		5,93" / 151 mm
	2nd:	4,92" / 125 mm	4,92" / 125 mm		5,00" / 127 mm

   - Armoured deck - single deck:
	For and Aft decks: 3,15" / 80 mm
	Forecastle: 0,98" / 25 mm  Quarter deck: 0,98" / 25 mm

   - Conning towers: Forward 7,99" / 203 mm, Aft 0,00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 4 shafts, 97.663 shp / 72.856 Kw = 30,50 kts
	Range 6.500nm at 16,00 kts
	Bunker at max displacement = 2.548 tons

Complement:
	822 - 1.069

Cost:
	£10,814 million / $43,255 million

Distribution of weights at normal displacement:
	Armament: 1.847 tons, 9,5 %
	   - Guns: 1.847 tons, 9,5 %
	Armour: 4.416 tons, 22,7 %
	   - Belts: 1.217 tons, 6,3 %
	   - Torpedo bulkhead: 463 tons, 2,4 %
	   - Armament: 961 tons, 4,9 %
	   - Armour Deck: 1.651 tons, 8,5 %
	   - Conning Tower: 124 tons, 0,6 %
	Machinery: 2.707 tons, 13,9 %
	Hull, fittings & equipment: 7.648 tons, 39,4 %
	Fuel, ammunition & stores: 2.708 tons, 13,9 %
	Miscellaneous weights: 90 tons, 0,5 %
	   - Hull below water: 90 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  19.866 lbs / 9.011 Kg = 11,8 x 15,0 " / 381 mm shells or 2,6 torpedoes
	Stability (Unstable if below 1.00): 1,01
	Metacentric height 2,9 ft / 0,9 m
	Roll period: 17,0 seconds
	Steadiness	- As gun platform (Average = 50 %): 50 %
			- Recoil effect (Restricted arc if above 1.00): 1,82
	Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
	Hull has raised forecastle, rise forward of midbreak, low quarterdeck ,
	  a normal bow and small transom stern
	Block coefficient (normal/deep): 0,536 / 0,543
	Length to Beam Ratio: 9,05 : 1
	'Natural speed' for length: 26,84 kts
	Power going to wave formation at top speed: 56 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 12,00 degrees
	Stern overhang: 0,00 ft / 0,00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	16,00 %,  29,53 ft / 9,00 m,  22,97 ft / 7,00 m
	   - Forward deck:	35,00 %,  21,33 ft / 6,50 m,  21,33 ft / 6,50 m
	   - Aft deck:	41,00 %,  20,34 ft / 6,20 m,  20,34 ft / 6,20 m
	   - Quarter deck:	8,00 %,  19,69 ft / 6,00 m,  19,69 ft / 6,00 m
	   - Average freeboard:		21,47 ft / 6,55 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 116,9 %
		- Above water (accommodation/working, high = better): 146,0 %
	Waterplane Area: 30.302 Square feet or 2.815 Square metres
	Displacement factor (Displacement / loading): 99 %
	Structure weight / hull surface area: 176 lbs/sq ft or 859 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0,93
		- Longitudinal: 2,01
		- Overall: 1,00
	Cramped machinery, storage, compartmentation space
	Excellent accommodation and workspace room

MainBat: 2 x 3 (A-X) 15"/45 BL Mark II
SecBat: 4 x 2 (Sides) 5.25"/50 QF Mark II
TertBat: 3 x 4 (Sides, one mount aft of X-turret) 2-pdr QF Mark VIII

90 tons above deck reserved for:
	25 t for one rotating compressed air catapult
	25 t for one heavy-duty crane
	40 t for two Supermarine Walrus floatplanes