Ezinezkoa-class Battleship (1906)

Ezinezkoa-class, Syrellian Battleship laid down 1906

Displacement:
 13,656 t light; 14,469 t standard; 15,808 t normal; 16,880 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
 (512.00 ft / 508.00 ft) x 80.50 ft x (24.60 / 25.91 ft)
 (156.06 m / 154.84 m) x 24.54 m x (7.50 / 7.90 m)

Armament:

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     8 - 12.00" / 305 mm 44.0 cal guns - 852.00lbs / 386.46kg shells, 110 per gun

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 Breech loading guns in turret on barbette mounts, 1901 Model
 3 x 2-gun mounts on centreline, evenly spread
 2 x Single mounts on sides, forward deck aft

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     14 - 4.02" / 102 mm 50.0 cal guns - 34.28lbs / 15.55kg shells, 300 per gun

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 Quick firing guns in casemate mounts, 1900 Model
 14 x Single mounts on sides, evenly spread

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     Weight of broadside 7,296 lbs / 3,309 kg

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Armour:

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  - Belts:		Width (max)	Length (avg)		Height (avg)

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 Main: 11.8" / 300 mm 332.81 ft / 101.44 m 10.76 ft / 3.28 m
 Ends: 3.94" / 100 mm 179.17 ft / 54.61 m 10.76 ft / 3.28 m
 Upper: 3.94" / 100 mm 332.81 ft / 101.44 m 8.01 ft / 2.44 m
 Main Belt covers 101 % of normal length

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  - Torpedo Bulkhead - Strengthened structural bulkheads:

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 1.97" / 50 mm 332.81 ft / 101.44 m 22.57 ft / 6.88 m
 Beam between torpedo bulkheads 68.90 ft / 21.00 m

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  - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)

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 Main: 12.0" / 305 mm 9.84" / 250 mm 12.0" / 305 mm
 2nd: 2.95" / 75 mm 1.97" / 50 mm -

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  - Protected deck - multiple decks:

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

Machinery:
 Coal fired boilers, steam turbines,
 Direct drive, 4 shafts, 20,902 shp / 15,593 Kw = 20.20 kts
 Range 5,500nm at 11.00 kts
 Bunker at max displacement = 2,411 tons (100% coal)

Complement:
 704 - 916

Cost:
 £1.335 million / $5.339 million

Distribution of weights at normal displacement:
 Armament: 1,551 tons, 9.8 %
 - Guns: 1,551 tons, 9.8 %
 Armour: 6,221 tons, 39.4 %
 - Belts: 2,569 tons, 16.3 %
 - Torpedo bulkhead: 547 tons, 3.5 %
 - Armament: 1,964 tons, 12.4 %
 - Armour Deck: 1,140 tons, 7.2 %
 Machinery: 1,493 tons, 9.4 %
 Hull, fittings & equipment: 4,191 tons, 26.5 %
 Fuel, ammunition & stores: 2,152 tons, 13.6 %
 Miscellaneous weights: 200 tons, 1.3 %
 - Hull below water: 50 tons
 - Hull above water: 75 tons
 - On freeboard deck: 50 tons
 - Above deck: 25 tons

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
 21,222 lbs / 9,626 Kg = 24.6 x 12.0 " / 305 mm shells or 4.2 torpedoes
 Stability (Unstable if below 1.00): 1.24
 Metacentric height 5.3 ft / 1.6 m
 Roll period: 14.7 seconds
 Steadiness - As gun platform (Average = 50 %): 66 %
 - Recoil effect (Restricted arc if above 1.00): 0.41
 Seaboat quality (Average = 1.00): 1.31

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: 6.31 : 1
 'Natural speed' for length: 22.54 kts
 Power going to wave formation at top speed: 44 %
 Trim (Max stability = 0, Max steadiness = 100): 50
 Bow angle (Positive = bow angles forward): -10.00 degrees
 Stern overhang: -2.00 ft / -0.61 m
 Freeboard (% = length of deck as a percentage of waterline length):
 Fore end, Aft end
 - Forecastle: 20.00 %, 26.00 ft / 7.92 m, 20.00 ft / 6.10 m
 - Forward deck: 25.00 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
 - Aft deck: 40.00 %, 9.00 ft / 2.74 m, 9.00 ft / 2.74 m
 - Quarter deck: 15.00 %, 9.00 ft / 2.74 m, 9.00 ft / 2.74 m
 - Average freeboard: 14.43 ft / 4.40 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 81.4 %
 - Above water (accommodation/working, high = better): 102.2 %
 Waterplane Area: 28,540 Square feet or 2,651 Square metres
 Displacement factor (Displacement / loading): 101 %
 Structure weight / hull surface area: 142 lbs/sq ft or 694 Kg/sq metre
 Hull strength (Relative):
 - Cross-sectional: 0.97
 - Longitudinal: 1.33
 - Overall: 1.00
 Excellent machinery, storage, compartmentation space
 Adequate accommodation and workspace room
 Good seaboat, rides out heavy weather easily