Orbaizeta-class Cruiser (1883)

Orbaizeta-class, Syrellian Protected Cruisers laid down 1883
Barbette ship
Displacement:
	2,717 t light; 2,866 t standard; 3,226 t normal; 3,514 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(295.28 ft / 285.43 ft) x 42.16 ft x (17.06 / 18.30 ft)
	(90.00 m / 87.00 m) x 12.85 m x (5.20 / 5.58 m)
Armament:
 2 - 7.48" / 190 mm 30.0 cal guns - 182.50lbs / 82.78kg shells, 110 per gun
	 Breech loading guns in open barbette mounts, 1883 Model
	 2 x Single mounts on centreline ends, evenly spread
 6 - 5.91" / 150 mm 32.0 cal guns - 90.39lbs / 41.00kg shells, 200 per gun
	 Breech loading guns in casemate mounts, 1883 Model
	 6 x Single mounts on sides, evenly spread
 2 - 2.95" / 75.0 mm 45.0 cal guns - 12.50lbs / 5.67kg shells, 150 per gun
	 Quick firing guns in deck mounts, 1885 Model
	 2 x Single mounts on sides, forward deck aft
		2 raised mounts
 Weight of broadside 932 lbs / 423 kg
Armour:
 - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	 -		 -			1.97" / 50 mm
	2nd:	1.18" / 30 mm	0.79" / 20 mm		0.79" / 20 mm
	3rd:	0.79" / 20 mm	 -			 -
 - Protected deck - single deck:
	For and Aft decks: 1.77" / 45 mm
 - Conning towers: Forward 1.97" / 50 mm, Aft 0.00" / 0 mm
Machinery:
	Coal fired boilers, simple reciprocating steam engines, 
	Direct drive, 1 shaft, 4,562 ihp / 3,403 Kw = 16.50 kts
	Range 3,500nm at 10.00 kts
	Bunker at max displacement = 648 tons (100% coal)
Complement:
	213 - 278
Cost:
	£0.258 million / $1.030 million
Distribution of weights at normal displacement:
	Armament: 128 tons, 4.0 %
	 - Guns: 128 tons, 4.0 %
	Armour: 285 tons, 8.8 %
	 - Armament: 73 tons, 2.3 %
	 - Armour Deck: 202 tons, 6.3 %
	 - Conning Tower: 9 tons, 0.3 %
	Machinery: 907 tons, 28.1 %
	Hull, fittings & equipment: 1,086 tons, 33.7 %
	Fuel, ammunition & stores: 509 tons, 15.8 %
	Miscellaneous weights: 310 tons, 9.6 %
	 - Hull below water: 30 tons
	 - Hull above water: 50 tons
	 - On freeboard deck: 20 tons
	 - Above deck: 210 tons
Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	 3,259 lbs / 1,478 Kg = 17.4 x 7.5 " / 190 mm shells or 0.8 torpedoes
	Stability (Unstable if below 1.00): 1.23
	Metacentric height 2.0 ft / 0.6 m
	Roll period: 12.5 seconds
	Steadiness	- As gun platform (Average = 50 %): 100 %
			- Recoil effect (Restricted arc if above 1.00): 0.72
	Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
	Hull has low forecastle, low quarterdeck ,
	 a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.550 / 0.559
	Length to Beam Ratio: 6.77 : 1
	'Natural speed' for length: 16.89 kts
	Power going to wave formation at top speed: 47 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): -15.00 degrees
	Stern overhang: -3.28 ft / -1.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	 - Forecastle:	15.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
	 - Forward deck:	30.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
	 - Aft deck:	30.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
	 - Quarter deck:	25.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
	 - Average freeboard:		14.76 ft / 4.50 m
	Ship tends to be wet forward
Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 106.2 %
		- Above water (accommodation/working, high = better): 131.4 %
	Waterplane Area: 8,145 Square feet or 757 Square metres
	Displacement factor (Displacement / loading): 117 %
	Structure weight / hull surface area: 82 lbs/sq ft or 402 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.87
		- Longitudinal: 3.28
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Excellent 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