Marvaren-Class Battleship [1910] (Oltrin)

Marvaren-Class ("Pearl"), Oltrin Monarchy Battleship laid down 1910

Displacement:
	16,591 t light; 17,669 t standard; 19,191 t normal; 20,408 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(599.53 ft / 590.55 ft) x 85.30 ft x (26.25 / 27.51 ft)
	(182.74 m / 180.00 m) x 26.00 m  x (8.00 / 8.38 m)

Armament:
      9 - 11.02" / 280 mm 52.0 cal guns - 715.22lbs / 324.42kg shells, 100 per gun
	  Breech loading guns in turret on barbette mounts, 1908 Model
	  3 x Triple mounts on centreline ends, majority forward
		1 raised mount - superfiring
      14 - 5.98" / 152 mm 43.0 cal guns - 104.68lbs / 47.48kg shells, 300 per gun
	  Quick firing guns in casemate mounts, 1895 Model
	  14 x Single mounts on sides, evenly spread
		14 hull mounts in casemates- Limited use in heavy seas
      16 - 4.02" / 102 mm 52.0 cal guns - 34.59lbs / 15.69kg shells, 300 per gun
	  Quick firing guns in deck mounts, 1906 Model
	  8 x Twin mounts on sides, evenly spread
		4 raised mounts
      Weight of broadside 8,456 lbs / 3,836 kg
      Main Torpedoes
      8 - 15.7" / 400 mm, 13.12 ft / 4.00 m torpedoes - 0.516 t each, 4.132 t total
	submerged bow & stern tubes
      2nd Torpedoes
      8 - 15.7" / 400 mm, 13.12 ft / 4.00 m torpedoes - 0.516 t each, 4.132 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	12.0" / 305 mm	295.28 ft / 90.00 m	11.09 ft / 3.38 m
	Ends:	5.98" / 152 mm	295.28 ft / 90.00 m	11.09 ft / 3.38 m
	Upper:	5.98" / 152 mm	295.28 ft / 90.00 m	8.01 ft / 2.44 m
	  Main Belt covers 77 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		2.99" / 76 mm	295.28 ft / 90.00 m	24.08 ft / 7.34 m
	Beam between torpedo bulkheads 65.62 ft / 20.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	12.0" / 305 mm	7.99" / 203 mm		7.99" / 203 mm
	2nd:	4.02" / 102 mm	0.98" / 25 mm		      -
	3rd:	4.02" / 102 mm	0.98" / 25 mm		      -

   - Armoured deck - multiple decks:
	For and Aft decks: 4.02" / 102 mm
	Forecastle: 2.05" / 52 mm  Quarter deck: 2.05" / 52 mm

   - Conning towers: Forward 12.01" / 305 mm, Aft 0.00" / 0 mm

Machinery:
	Coal and oil fired boilers, steam turbines,
	Direct drive, 4 shafts, 25,712 shp / 19,181 Kw = 21.00 kts
	Range 10,000nm at 10.00 kts
	Bunker at max displacement = 2,738 tons (50% coal)

Complement:
	814 - 1,059

Cost:
	£1.528 million / $6.114 million

Distribution of weights at normal displacement:
	Armament: 1,699 tons, 8.9 %
	   - Guns: 1,685 tons, 8.8 %
	   - Weapons: 13 tons, 0.1 %
	Armour: 7,761 tons, 40.4 %
	   - Belts: 3,150 tons, 16.4 %
	   - Torpedo bulkhead: 787 tons, 4.1 %
	   - Armament: 1,337 tons, 7.0 %
	   - Armour Deck: 2,301 tons, 12.0 %
	   - Conning Tower: 185 tons, 1.0 %
	Machinery: 1,113 tons, 5.8 %
	Hull, fittings & equipment: 5,919 tons, 30.8 %
	Fuel, ammunition & stores: 2,599 tons, 13.5 %
	Miscellaneous weights: 100 tons, 0.5 %
	   - Above deck: 100 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  33,667 lbs / 15,271 Kg = 50.3 x 11.0 " / 280 mm shells or 16.9 torpedoes
	Stability (Unstable if below 1.00): 1.21
	Metacentric height 5.6 ft / 1.7 m
	Roll period: 15.2 seconds
	Steadiness	- As gun platform (Average = 50 %): 70 %
			- Recoil effect (Restricted arc if above 1.00): 0.53
	Seaboat quality  (Average = 1.00): 1.41

Hull form characteristics:
	Hull has a flush deck,
	  a straight bulbous bow and a cruiser stern
	Block coefficient (normal/deep): 0.508 / 0.515
	Length to Beam Ratio: 6.92 : 1
	'Natural speed' for length: 24.30 kts
	Power going to wave formation at top speed: 39 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 6.00 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:	30.00 %,  19.69 ft / 6.00 m,  16.40 ft / 5.00 m
	   - Aft deck:	35.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
	   - Quarter deck:	15.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
	   - Average freeboard:		17.81 ft / 5.43 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 75.8 %
		- Above water (accommodation/working, high = better): 135.8 %
	Waterplane Area: 33,810 Square feet or 3,141 Square metres
	Displacement factor (Displacement / loading): 109 %
	Structure weight / hull surface area: 156 lbs/sq ft or 763 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.96
		- Longitudinal: 1.42
		- Overall: 1.00
	Excellent machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Ship has slow, easy roll, a good, steady gun platform
	Good seaboat, rides out heavy weather easily