Vydas-class Armoured Cruiser (1900)

Vydas-class, Liotainian Armoured Cruiser laid down 1900

Displacement:
 12,793 t light; 13,331 t standard; 14,862 t normal; 16,087 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
 (561.02 ft / 557.74 ft) x 70.54 ft x (25.43 / 27.03 ft)
 (171.00 m / 170.00 m) x 21.50 m x (7.75 / 8.24 m)

Armament:

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     4 - 9.84" / 250 mm 45.0 cal guns - 480.81lbs / 218.09kg shells, 130 per gun

```

 Breech loading guns in turret on barbette mounts, 1895 Model
 2 x 2-gun mounts on centreline ends, evenly spread

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     16 - 5.12" / 130 mm 45.0 cal guns - 67.62lbs / 30.67kg shells, 150 per gun

```

 Quick firing guns in casemate mounts, 1894 Model
 16 x Single mounts on sides, evenly spread
 4 hull mounts in casemates- Limited use in all but light seas

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     10 - 2.36" / 60.0 mm 50.0 cal guns - 6.99lbs / 3.17kg shells, 300 per gun

```

 Quick firing guns in deck mounts, 1902 Model
 10 x Single mounts on sides, evenly spread

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     Weight of broadside 3,075 lbs / 1,395 kg
     Main Torpedoes
     4 - 17.7" / 450 mm, 16.73 ft / 5.10 m torpedoes - 0.590 t each, 2.361 t total

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 submerged side tubes

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     2nd Torpedoes
     12 - 17.7" / 450 mm, 16.73 ft / 5.10 m torpedoes - 0.590 t each, 7.083 t total

```

 below water reloads

Armour:

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

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 Main: 7.09" / 180 mm 459.32 ft / 140.00 m 10.50 ft / 3.20 m
 Ends: 3.15" / 80 mm 98.43 ft / 30.00 m 10.50 ft / 3.20 m
 Upper: 3.15" / 80 mm 459.32 ft / 140.00 m 8.20 ft / 2.50 m
 Main Belt covers 127 % of normal length

```
  - Torpedo Bulkhead - Strengthened structural bulkheads:

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 1.97" / 50 mm 418.31 ft / 127.50 m 22.80 ft / 6.95 m
 Beam between torpedo bulkheads 60.70 ft / 18.50 m

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

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 Main: 11.0" / 280 mm 5.91" / 150 mm 7.87" / 200 mm
 2nd: 3.15" / 80 mm 2.36" / 60 mm 2.36" / 60 mm

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  - Armoured deck - single deck:

```

 For and Aft decks: 2.17" / 55 mm
 Forecastle: 1.77" / 45 mm Quarter deck: 1.77" / 45 mm

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  - Conning towers: Forward 5.12" / 130 mm, Aft 0.00" / 0 mm

```

Machinery:
 Coal fired boilers, complex reciprocating steam engines,
 Direct drive, 4 shafts, 26,301 ihp / 19,620 Kw = 22.00 kts
 Range 8,500nm at 10.00 kts
 Bunker at max displacement = 2,756 tons (100% coal)

Complement:
 672 - 874

Cost:
 £1.258 million / $5.034 million

Distribution of weights at normal displacement:
 Armament: 751 tons, 5.1 %
 - Guns: 737 tons, 5.0 %
 - Weapons: 14 tons, 0.1 %
 Armour: 4,364 tons, 29.4 %
 - Belts: 1,968 tons, 13.2 %
 - Torpedo bulkhead: 695 tons, 4.7 %
 - Armament: 578 tons, 3.9 %
 - Armour Deck: 1,057 tons, 7.1 %
 - Conning Tower: 67 tons, 0.4 %
 Machinery: 4,109 tons, 27.7 %
 Hull, fittings & equipment: 3,264 tons, 22.0 %
 Fuel, ammunition & stores: 2,069 tons, 13.9 %
 Miscellaneous weights: 305 tons, 2.1 %
 - Hull below water: 75 tons
 - Hull above water: 125 tons
 - On freeboard deck: 75 tons
 - Above deck: 30 tons

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
 13,908 lbs / 6,309 Kg = 29.2 x 9.8 " / 250 mm shells or 4.7 torpedoes
 Stability (Unstable if below 1.00): 1.42
 Metacentric height 5.4 ft / 1.7 m
 Roll period: 12.7 seconds
 Steadiness - As gun platform (Average = 50 %): 78 %
 - Recoil effect (Restricted arc if above 1.00): 0.26
 Seaboat quality (Average = 1.00): 1.56

Hull form characteristics:
 Hull has rise forward of midbreak,
 a ram bow and a cruiser stern
 Block coefficient (normal/deep): 0.520 / 0.529
 Length to Beam Ratio: 7.91 : 1
 'Natural speed' for length: 23.62 kts
 Power going to wave formation at top speed: 42 %
 Trim (Max stability = 0, Max steadiness = 100): 50
 Bow angle (Positive = bow angles forward): -10.00 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 %, 25.26 ft / 7.70 m, 20.67 ft / 6.30 m
 - Forward deck: 40.00 %, 20.67 ft / 6.30 m, 20.67 ft / 6.30 m
 - Aft deck: 35.00 %, 10.33 ft / 3.15 m, 10.33 ft / 3.15 m
 - Quarter deck: 10.00 %, 10.33 ft / 3.15 m, 10.83 ft / 3.30 m
 - Average freeboard: 16.32 ft / 4.97 m
 Ship tends to be wet forward

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 124.6 %
 - Above water (accommodation/working, high = better): 119.9 %
 Waterplane Area: 26,699 Square feet or 2,480 Square metres
 Displacement factor (Displacement / loading): 98 %
 Structure weight / hull surface area: 111 lbs/sq ft or 540 Kg/sq metre
 Hull strength (Relative):
 - Cross-sectional: 0.97
 - Longitudinal: 1.26
 - Overall: 1.00
 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