Txapelduna-class Armoured Cruiser (1902)

Txapelduna-class, Syrellian Armoured Cruiser laid down 1903
Displacement:
	8,980 t light; 9,367 t standard; 10,344 t normal; 11,125 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(423.23 ft / 416.67 ft) x 64.63 ft x (24.44 / 25.90 ft)
	(129.00 m / 127.00 m) x 19.70 m x (7.45 / 7.89 m)
Armament:
 4 - 8.07" / 205 mm 47.0 cal guns - 273.44lbs / 124.03kg shells, 110 per gun
	 Breech loading guns in turret on barbette mounts, 1901 Model
	 2 x 2-gun mounts on centreline ends, evenly spread
 8 - 5.91" / 150 mm 45.0 cal guns - 103.86lbs / 47.11kg shells, 200 per gun
	 Breech loading guns in turret on barbette mounts, 1901 Model
	 4 x 2-gun mounts on sides, evenly spread
 10 - 2.95" / 75.0 mm 50.0 cal guns - 13.12lbs / 5.95kg shells, 300 per gun
	 Quick firing guns in casemate mounts, 1885 Model
	 10 x Single mounts on sides, evenly spread
		10 hull mounts in casemates- Limited use in all but light seas
 Weight of broadside 2,056 lbs / 932 kg
 Main Torpedoes
 4 - 17.7" / 450 mm, 13.12 ft / 4.00 m torpedoes - 0.528 t each, 2.113 t total
	In 4 sets of deck mounted carriage/fixed tubes
Armour:
 - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	5.91" / 150 mm	328.08 ft / 100.00 m	9.84 ft / 3.00 m
	Ends:	3.94" / 100 mm	 82.02 ft / 25.00 m	9.84 ft / 3.00 m
	 6.56 ft / 2.00 m Unarmoured ends
	Upper:	3.15" / 80 mm	328.08 ft / 100.00 m	6.23 ft / 1.90 m
	 Main Belt covers 121 % of normal length
 - Torpedo Bulkhead - Additional damage containing bulkheads:
		1.57" / 40 mm	328.08 ft / 100.00 m	22.44 ft / 6.84 m
	Beam between torpedo bulkheads 51.51 ft / 15.70 m
 - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	8.66" / 220 mm	5.12" / 130 mm		6.30" / 160 mm
	2nd:	3.15" / 80 mm	1.57" / 40 mm		3.15" / 80 mm
	3rd:	1.18" / 30 mm	 -			 -
 - Armoured deck - multiple decks:
	For and Aft decks: 3.15" / 80 mm
	Forecastle: 1.57" / 40 mm Quarter deck: 1.57" / 40 mm
 - Conning towers: Forward 9.06" / 230 mm, Aft 0.00" / 0 mm
Machinery:
	Coal fired boilers, complex reciprocating steam engines, 
	Direct drive, 3 shafts, 16,337 ihp / 12,188 Kw = 20.00 kts
	Range 4,850nm at 12.00 kts
	Bunker at max displacement = 1,757 tons (100% coal)
Complement:
	512 - 666
Cost:
	£0.849 million / $3.395 million
Distribution of weights at normal displacement:
	Armament: 588 tons, 5.7 %
	 - Guns: 585 tons, 5.7 %
	 - Weapons: 3 tons, 0.0 %
	Armour: 3,147 tons, 30.4 %
	 - Belts: 1,174 tons, 11.4 %
	 - Torpedo bulkhead: 429 tons, 4.1 %
	 - Armament: 450 tons, 4.3 %
	 - Armour Deck: 1,001 tons, 9.7 %
	 - Conning Tower: 93 tons, 0.9 %
	Machinery: 2,438 tons, 23.6 %
	Hull, fittings & equipment: 2,657 tons, 25.7 %
	Fuel, ammunition & stores: 1,364 tons, 13.2 %
	Miscellaneous weights: 150 tons, 1.5 %
	 - Hull below water: 35 tons
	 - Hull above water: 50 tons
	 - On freeboard deck: 50 tons
	 - Above deck: 15 tons
Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	 11,632 lbs / 5,276 Kg = 44.3 x 8.1 " / 205 mm shells or 5.0 torpedoes
	Stability (Unstable if below 1.00): 1.32
	Metacentric height 4.3 ft / 1.3 m
	Roll period: 13.2 seconds
	Steadiness	- As gun platform (Average = 50 %): 81 %
			- Recoil effect (Restricted arc if above 1.00): 0.34
	Seaboat quality (Average = 1.00): 1.63
Hull form characteristics:
	Hull has rise forward of midbreak,
	 a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.550 / 0.558
	Length to Beam Ratio: 6.45 : 1
	'Natural speed' for length: 20.41 kts
	Power going to wave formation at top speed: 49 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 15.00 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 %, 22.97 ft / 7.00 m, 19.69 ft / 6.00 m
	 - Forward deck:	45.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
	 - Aft deck:	20.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
	 - Quarter deck:	15.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
	 - Average freeboard:		16.50 ft / 5.03 m
Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 119.5 %
		- Above water (accommodation/working, high = better): 116.0 %
	Waterplane Area: 18,794 Square feet or 1,746 Square metres
	Displacement factor (Displacement / loading): 103 %
	Structure weight / hull surface area: 104 lbs/sq ft or 509 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.93
		- Longitudinal: 2.02
		- Overall: 1.01
	Cramped 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