Royal Dominion-Class Battleship [1908] (Mazantsi)

Royal Dominion Class, Mazantsi Dominion Battleship laid down 1908

Displacement:
	21,574 t light; 23,050 t standard; 25,924 t normal; 28,223 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(573.82 ft / 570.00 ft) x 88.00 ft x (28.00 / 30.10 ft)
	(174.90 m / 173.74 m) x 26.82 m  x (8.53 / 9.17 m)

Armament:
      12 - 12.00" / 305 mm 45.0 cal guns - 871.38lbs / 395.25kg shells, 100 per gun
	  Breech loading guns in turret on barbette mounts, 1903 Model
	  6 x Twin mounts on centreline, evenly spread
		2 raised mounts
      14 - 6.25" / 159 mm 47.0 cal guns - 126.99lbs / 57.60kg shells, 250 per gun
	  Quick firing guns in casemate mounts, 1907 Model
	  14 x Single mounts on sides, evenly spread
		14 hull mounts in casemates- Limited use in heavy seas
      14 - 4.75" / 121 mm 47.0 cal guns - 55.73lbs / 25.28kg shells, 300 per gun
	  Quick firing guns in casemate mounts, 1907 Model
	  14 x Single mounts on sides, evenly spread
      Weight of broadside 13,015 lbs / 5,903 kg
      Main Torpedoes
      4 - 20.0" / 508 mm, 20.00 ft / 6.10 m torpedoes - 1.145 t each, 4.580 t total
	submerged bow & stern tubes
      2nd Torpedoes
      4 - 20.0" / 508 mm, 20.00 ft / 6.10 m torpedoes - 1.145 t each, 4.580 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	12.5" / 318 mm	390.00 ft / 118.87 m	11.26 ft / 3.43 m
	Ends:	6.00" / 152 mm	180.00 ft / 54.86 m	11.26 ft / 3.43 m
	Upper:	6.00" / 152 mm	390.00 ft / 118.87 m	8.00 ft / 2.44 m
	  Main Belt covers 105 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		2.50" / 64 mm	390.00 ft / 118.87 m	26.54 ft / 8.09 m
	Beam between torpedo bulkheads 58.00 ft / 17.68 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	12.0" / 305 mm	6.00" / 152 mm		11.0" / 279 mm
	2nd:	6.00" / 152 mm	2.00" / 51 mm		6.00" / 152 mm
	3rd:	3.00" / 76 mm	1.00" / 25 mm		3.00" / 76 mm

   - Armoured deck - multiple decks:
	For and Aft decks: 4.00" / 102 mm
	Forecastle: 3.00" / 76 mm  Quarter deck: 3.00" / 76 mm

   - Conning towers: Forward 14.50" / 368 mm, Aft 0.00" / 0 mm

Machinery:
	Coal and oil fired boilers, steam turbines,
	Direct drive, 4 shafts, 39,043 shp / 29,126 Kw = 22.00 kts
	Range 9,000nm at 12.00 kts
	Bunker at max displacement = 5,173 tons (75% coal)

Complement:
	1,020 - 1,327

Cost:
	£2.154 million / $8.616 million

Distribution of weights at normal displacement:
	Armament: 2,331 tons, 9.0 %
	   - Guns: 2,316 tons, 8.9 %
	   - Weapons: 15 tons, 0.1 %
	Armour: 10,193 tons, 39.3 %
	   - Belts: 3,639 tons, 14.0 %
	   - Torpedo bulkhead: 957 tons, 3.7 %
	   - Armament: 2,601 tons, 10.0 %
	   - Armour Deck: 2,722 tons, 10.5 %
	   - Conning Tower: 274 tons, 1.1 %
	Machinery: 2,116 tons, 8.2 %
	Hull, fittings & equipment: 6,834 tons, 26.4 %
	Fuel, ammunition & stores: 4,350 tons, 16.8 %
	Miscellaneous weights: 100 tons, 0.4 %
	   - Above deck: 100 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  37,029 lbs / 16,796 Kg = 42.9 x 12.0 " / 305 mm shells or 7.3 torpedoes
	Stability (Unstable if below 1.00): 1.18
	Metacentric height 5.6 ft / 1.7 m
	Roll period: 15.6 seconds
	Steadiness	- As gun platform (Average = 50 %): 68 %
			- Recoil effect (Restricted arc if above 1.00): 0.72
	Seaboat quality  (Average = 1.00): 1.36

Hull form characteristics:
	Hull has a flush deck,
	  a straight bulbous bow and a cruiser stern
	Block coefficient (normal/deep): 0.646 / 0.654
	Length to Beam Ratio: 6.48 : 1
	'Natural speed' for length: 23.87 kts
	Power going to wave formation at top speed: 48 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 4.00 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,  22.00 ft / 6.71 m
	   - Forward deck:	30.00 %,  22.00 ft / 6.71 m,  17.00 ft / 5.18 m
	   - Aft deck:	35.00 %,  17.00 ft / 5.18 m,  17.00 ft / 5.18 m
	   - Quarter deck:	15.00 %,  17.00 ft / 5.18 m,  17.00 ft / 5.18 m
	   - Average freeboard:		19.07 ft / 5.81 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 101.6 %
		- Above water (accommodation/working, high = better): 129.8 %
	Waterplane Area: 38,286 Square feet or 3,557 Square metres
	Displacement factor (Displacement / loading): 104 %
	Structure weight / hull surface area: 165 lbs/sq ft or 804 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.96
		- Longitudinal: 1.44
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Good seaboat, rides out heavy weather easily