Defense-Class Protected Cruiser [1878] (Citadon)

Defense-Class, Citadon Empire Protected Cruiser laid down 1878

Displacement:
	3,180 t light; 3,300 t standard; 3,986 t normal; 4,535 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(343.00 ft / 340.00 ft) x 45.00 ft x (18.00 / 19.87 ft)
	(104.55 m / 103.63 m) x 13.72 m  x (5.49 / 6.06 m)

Armament:
      2 - 7.00" / 178 mm 30.0 cal guns - 143.15lbs / 64.93kg shells, 80 per gun
	  Breech loading guns in deck mounts, 1878 Model
	  2 x Single mounts on centreline, evenly spread
      4 - 4.75" / 121 mm 35.0 cal guns - 44.22lbs / 20.06kg shells, 200 per gun
	  Breech loading guns in casemate mounts, 1875 Model
	  4 x Single mounts on sides, evenly spread
      12 - 2.50" / 63.5 mm 25.0 cal guns - 5.93lbs / 2.69kg shells, 200 per gun
	  Breech loading guns in deck mounts, 1870 Model
	  12 x Single mounts on sides, evenly spread
		12 raised mounts
      4 - 0.25" / 6.4 mm 75.0 cal guns - 0.01lbs / 0.00kg shells, 2,500 per gun
	  Machine guns in deck mounts, 1875 Model
	  4 x Single mounts on sides, evenly spread
      Weight of broadside 534 lbs / 242 kg
      Main Torpedoes
      2 - 15.0" / 381 mm, 10.00 ft / 3.05 m torpedoes - 0.092 t each, 0.183 t total
	In 2 sets of deck mounted carriage/fixed tubes
      2nd Torpedoes
      4 - 15.0" / 381 mm, 10.00 ft / 3.05 m torpedoes - 0.092 t each, 0.367 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Ends:	Unarmoured

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		1.00" / 25 mm	235.00 ft / 71.63 m	15.95 ft / 4.86 m
	Beam between torpedo bulkheads 44.00 ft / 13.41 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	4.00" / 102 mm	2.00" / 51 mm		      -
	2nd:	2.00" / 51 mm	1.00" / 25 mm		      -
	3rd:	1.00" / 25 mm	      -			      -

   - Protected deck - multiple decks:
	For and Aft decks: 2.50" / 64 mm
	Forecastle: 2.00" / 51 mm  Quarter deck: 2.00" / 51 mm

   - Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
	Coal fired boilers, simple reciprocating steam engines,
	Direct drive, 2 shafts, 5,685 ihp / 4,241 Kw = 17.00 kts
	Range 5,000nm at 10.00 kts
	Bunker at max displacement = 1,234 tons (100% coal)

Complement:
	250 - 326

Cost:
	£0.298 million / $1.193 million

Distribution of weights at normal displacement:
	Armament: 57 tons, 1.4 %
	   - Guns: 56 tons, 1.4 %
	   - Weapons: 1 tons, 0.0 %
	Armour: 700 tons, 17.6 %
	   - Torpedo bulkhead: 139 tons, 3.5 %
	   - Armament: 84 tons, 2.1 %
	   - Armour Deck: 460 tons, 11.5 %
	   - Conning Tower: 16 tons, 0.4 %
	Machinery: 1,209 tons, 30.3 %
	Hull, fittings & equipment: 1,215 tons, 30.5 %
	Fuel, ammunition & stores: 806 tons, 20.2 %
	Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  3,844 lbs / 1,744 Kg = 27.3 x 7.0 " / 178 mm shells or 14.2 torpedoes
	Stability (Unstable if below 1.00): 1.59
	Metacentric height 3.3 ft / 1.0 m
	Roll period: 10.4 seconds
	Steadiness	- As gun platform (Average = 50 %): 100 %
			- Recoil effect (Restricted arc if above 1.00): 0.17
	Seaboat quality  (Average = 1.00): 2.00

Hull form characteristics:
	Hull has a flush deck,
	  a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.507 / 0.522
	Length to Beam Ratio: 7.56 : 1
	'Natural speed' for length: 18.44 kts
	Power going to wave formation at top speed: 41 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): -4.00 degrees
	Stern overhang: -3.00 ft / -0.91 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	20.00 %,  18.00 ft / 5.49 m,  16.00 ft / 4.88 m
	   - Forward deck:	30.00 %,  16.00 ft / 4.88 m,  13.00 ft / 3.96 m
	   - Aft deck:	35.00 %,  13.00 ft / 3.96 m,  13.00 ft / 3.96 m
	   - Quarter deck:	15.00 %,  13.00 ft / 3.96 m,  13.00 ft / 3.96 m
	   - Average freeboard:		14.21 ft / 4.33 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 106.1 %
		- Above water (accommodation/working, high = better): 106.7 %
	Waterplane Area: 10,255 Square feet or 953 Square metres
	Displacement factor (Displacement / loading): 121 %
	Structure weight / hull surface area: 82 lbs/sq ft or 399 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.92
		- Longitudinal: 2.06
		- 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