Salyeong-Gwan Min-Class Scout Counter-Cruiser [1913] (Seondok)

Salyeong-Gwan Min-Class, Seondok County Scout Counter-Cruiser laid down 1913

Displacement:
	11,357 t light; 12,000 t standard; 12,472 t normal; 12,850 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(530.05 ft / 524.93 ft) x 72.18 ft x (21.33 / 21.83 ft)
	(161.56 m / 160.00 m) x 22.00 m  x (6.50 / 6.65 m)

Armament:
      12 - 7.87" / 200 mm 50.0 cal guns - 258.41lbs / 117.21kg shells, 150 per gun
	  Breech loading guns in turret on barbette mounts, 1904 Model
	  6 x Twin mounts on centreline, evenly spread
		2 raised mounts
      8 - 4.33" / 110 mm 45.0 cal guns - 40.96lbs / 18.58kg shells, 300 per gun
	  Quick firing guns in deck and hoist mounts, 1904 Model
	  4 x Twin mounts on sides, evenly spread
      8 - 4.33" / 110 mm 45.0 cal guns - 40.96lbs / 18.58kg shells, 300 per gun
	  Quick firing guns in deck mounts, 1904 Model
	  4 x Twin mounts on sides, evenly spread
		4 raised mounts
      8 - 3.44" / 87.5 mm 40.0 cal guns - 19.59lbs / 8.89kg shells, 300 per gun
	  Quick firing guns in deck mounts, 1894 Model
	  8 x Single mounts on sides, evenly spread
		8 raised mounts
      Weight of broadside 3,913 lbs / 1,775 kg
      Main Torpedoes
      12 - 21.7" / 550 mm, 32.81 ft / 10.00 m torpedoes - 2.155 t each, 25.861 t total
	In 4 sets of deck mounted side rotating tubes
      2nd Torpedoes
      12 - 21.7" / 550 mm, 32.81 ft / 10.00 m torpedoes - 2.155 t each, 25.861 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	7.87" / 200 mm	341.21 ft / 104.00 m	10.20 ft / 3.11 m
	Ends:	1.97" / 50 mm	183.69 ft / 55.99 m	10.20 ft / 3.11 m
	Upper:	1.97" / 50 mm	341.21 ft / 104.00 m	8.01 ft / 2.44 m
	  Main Belt covers 100 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		1.97" / 50 mm	341.21 ft / 104.00 m	19.46 ft / 5.93 m
	Beam between torpedo bulkheads 62.34 ft / 19.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	7.87" / 200 mm	5.91" / 150 mm		5.91" / 150 mm
	2nd:	3.94" / 100 mm	1.97" / 50 mm		1.97" / 50 mm
	3rd:	1.97" / 50 mm	0.98" / 25 mm		      -

   - Armoured deck - multiple decks:
	For and Aft decks: 2.95" / 75 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:
	Oil fired boilers, steam turbines,
	Geared drive, 2 shafts, 46,940 shp / 35,017 Kw = 26.00 kts
	Range 5,000nm at 10.00 kts
	Bunker at max displacement = 850 tons

Complement:
	589 - 767

Cost:
	£1.126 million / $4.505 million

Distribution of weights at normal displacement:
	Armament: 1,003 tons, 8.0 %
	   - Guns: 919 tons, 7.4 %
	   - Weapons: 84 tons, 0.7 %
	Armour: 4,500 tons, 36.1 %
	   - Belts: 1,535 tons, 12.3 %
	   - Torpedo bulkhead: 483 tons, 3.9 %
	   - Armament: 1,059 tons, 8.5 %
	   - Armour Deck: 1,354 tons, 10.9 %
	   - Conning Tower: 68 tons, 0.5 %
	Machinery: 1,839 tons, 14.7 %
	Hull, fittings & equipment: 4,015 tons, 32.2 %
	Fuel, ammunition & stores: 1,115 tons, 8.9 %
	Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  18,949 lbs / 8,595 Kg = 77.6 x 7.9 " / 200 mm shells or 2.0 torpedoes
	Stability (Unstable if below 1.00): 1.14
	Metacentric height 3.9 ft / 1.2 m
	Roll period: 15.3 seconds
	Steadiness	- As gun platform (Average = 50 %): 65 %
			- Recoil effect (Restricted arc if above 1.00): 0.62
	Seaboat quality  (Average = 1.00): 1.30

Hull form characteristics:
	Hull has a flush deck,
	  a normal bow and a cruiser stern
	Block coefficient (normal/deep): 0.540 / 0.544
	Length to Beam Ratio: 7.27 : 1
	'Natural speed' for length: 22.91 kts
	Power going to wave formation at top speed: 54 %
	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 %,  26.25 ft / 8.00 m,  22.97 ft / 7.00 m
	   - Forward deck:	30.00 %,  22.97 ft / 7.00 m,  19.69 ft / 6.00 m
	   - Aft deck:	35.00 %,  19.69 ft / 6.00 m,  19.69 ft / 6.00 m
	   - Quarter deck:	15.00 %,  19.69 ft / 6.00 m,  19.69 ft / 6.00 m
	   - Average freeboard:		21.10 ft / 6.43 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 90.1 %
		- Above water (accommodation/working, high = better): 166.7 %
	Waterplane Area: 26,202 Square feet or 2,434 Square metres
	Displacement factor (Displacement / loading): 106 %
	Structure weight / hull surface area: 127 lbs/sq ft or 618 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.94
		- Longitudinal: 1.71
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Good seaboat, rides out heavy weather easily