Mideog-Class Armored Cruiser [1888] (Seondok)

Mideog-Class, Seondok County Armored Cruiser laid down 1888
Central citadel ship

Displacement:
	7,235 t light; 7,600 t standard; 8,385 t normal; 9,013 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(396.98 ft / 393.70 ft) x 59.06 ft x (22.97 / 24.32 ft)
	(121.00 m / 120.00 m) x 18.00 m  x (7.00 / 7.41 m)

Armament:
      1 - 12.20" / 310 mm 38.0 cal gun - 1,102.31lbs / 500.00kg shells, 100 per gun
	  Breech loading gun in turret on barbette mount, 1883 Model
	  1 x Single mount on centreline, forward deck centre
      8 - 6.10" / 155 mm 35.0 cal guns - 110.23lbs / 50.00kg shells, 175 per gun
	  Quick firing guns in casemate mounts, 1887 Model
	  8 x Single mounts on sides, evenly spread
      10 - 4.33" / 110 mm 35.0 cal guns - 35.72lbs / 16.20kg shells, 200 per gun
	  Quick firing guns in casemate mounts, 1882 Model
	  10 x Single mounts on sides, evenly spread
      16 - 2.00" / 50.8 mm 35.0 cal guns - 3.00lbs / 1.36kg shells, 400 per gun
	  Quick firing guns in deck mounts, 1886 Model
	  16 x Single mounts on sides, evenly spread
		16 raised mounts
      Weight of broadside 2,389 lbs / 1,084 kg
      Main Torpedoes
      4 - 17.7" / 450 mm, 13.12 ft / 4.00 m torpedoes - 0.306 t each, 1.224 t total
	In 4 sets of deck mounted carriage/fixed tubes
      2nd Torpedoes
      8 - 17.7" / 450 mm, 13.12 ft / 4.00 m torpedoes - 0.306 t each, 2.447 t total
	In 1 sets of deck mounted carriage/fixed tubes

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	11.0" / 280 mm	255.91 ft / 78.00 m	9.22 ft / 2.81 m
	Ends:	4.72" / 120 mm	137.76 ft / 41.99 m	9.22 ft / 2.81 m
	  Main Belt covers 100 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		0.98" / 25 mm	255.91 ft / 78.00 m	21.10 ft / 6.43 m
	Beam between torpedo bulkheads 52.49 ft / 16.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	11.8" / 300 mm	7.87" / 200 mm		11.8" / 300 mm
	2nd:	3.94" / 100 mm	1.97" / 50 mm		4.92" / 125 mm
	3rd:	1.97" / 50 mm	0.98" / 25 mm		1.97" / 50 mm
	4th:	0.49" / 13 mm	      -			      -

   - Armoured deck - multiple decks:
	For and Aft decks: 2.36" / 60 mm
	Forecastle: 1.18" / 30 mm  Quarter deck: 1.18" / 30 mm

   - Conning towers: Forward 11.81" / 300 mm, Aft 0.00" / 0 mm

Machinery:
	Coal fired boilers, complex reciprocating steam engines,
	Direct drive, 2 shafts, 9,919 ihp / 7,399 Kw = 18.00 kts
	Range 5,000nm at 10.00 kts
	Bunker at max displacement = 1,414 tons (100% coal)

Complement:
	437 - 569

Cost:
	£0.626 million / $2.503 million

Distribution of weights at normal displacement:
	Armament: 324 tons, 3.9 %
	   - Guns: 319 tons, 3.8 %
	   - Weapons: 5 tons, 0.1 %
	Armour: 2,701 tons, 32.2 %
	   - Belts: 1,346 tons, 16.1 %
	   - Torpedo bulkhead: 197 tons, 2.3 %
	   - Armament: 406 tons, 4.8 %
	   - Armour Deck: 648 tons, 7.7 %
	   - Conning Tower: 105 tons, 1.3 %
	Machinery: 1,870 tons, 22.3 %
	Hull, fittings & equipment: 2,340 tons, 27.9 %
	Fuel, ammunition & stores: 1,150 tons, 13.7 %
	Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  9,807 lbs / 4,448 Kg = 11.1 x 12.2 " / 310 mm shells or 8.1 torpedoes
	Stability (Unstable if below 1.00): 1.40
	Metacentric height 4.1 ft / 1.2 m
	Roll period: 12.3 seconds
	Steadiness	- As gun platform (Average = 50 %): 86 %
			- Recoil effect (Restricted arc if above 1.00): 0.37
	Seaboat quality  (Average = 1.00): 1.72

Hull form characteristics:
	Hull has a flush deck,
	  a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.550 / 0.558
	Length to Beam Ratio: 6.67 : 1
	'Natural speed' for length: 19.84 kts
	Power going to wave formation at top speed: 44 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): -4.00 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 %,  19.69 ft / 6.00 m,  16.40 ft / 5.00 m
	   - Forward deck:	30.00 %,  16.40 ft / 5.00 m,  13.12 ft / 4.00 m
	   - Aft deck:	35.00 %,  13.12 ft / 4.00 m,  13.12 ft / 4.00 m
	   - Quarter deck:	15.00 %,  13.12 ft / 4.00 m,  13.12 ft / 4.00 m
	   - Average freeboard:		14.53 ft / 4.43 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 97.3 %
		- Above water (accommodation/working, high = better): 96.7 %
	Waterplane Area: 16,220 Square feet or 1,507 Square metres
	Displacement factor (Displacement / loading): 112 %
	Structure weight / hull surface area: 109 lbs/sq ft or 534 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.93
		- Longitudinal: 1.90
		- 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