Excellence-Class Battlecruiser [1906] (Mazantsi)

Excellence-Class, Mazantsi Dominion Battlecruiser laid down 1906

Displacement:
	20,367 t light; 21,400 t standard; 24,731 t normal; 27,396 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(655.00 ft / 650.00 ft) x 82.00 ft x (28.00 / 30.44 ft)
	(199.64 m / 198.12 m) x 24.99 m  x (8.53 / 9.28 m)

Armament:
      10 - 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
	  3 x Twin mounts on centreline ends, majority forward
	  2 x Twin mounts on sides amidships
      14 - 3.00" / 76.2 mm 45.0 cal guns - 13.62lbs / 6.18kg shells, 300 per gun
	  Quick firing guns in casemate mounts, 1904 Model
	  14 x Single mounts on sides, evenly spread
		14 hull mounts in casemates- Limited use in heavy seas
      10 - 3.00" / 76.2 mm 45.0 cal guns - 13.62lbs / 6.18kg shells, 300 per gun
	  Quick firing guns in deck mounts, 1904 Model
	  6 x Single mounts on centreline, evenly spread
		6 raised mounts
	  4 x Single mounts on centreline, evenly spread
		4 double raised mounts
      Weight of broadside 9,041 lbs / 4,101 kg
      Main Torpedoes
      4 - 20.0" / 508 mm, 20.00 ft / 6.10 m torpedoes - 1.096 t each, 4.383 t total
	submerged bow & stern tubes
      2nd Torpedoes
      4 - 20.0" / 508 mm, 20.00 ft / 6.10 m torpedoes - 1.096 t each, 4.383 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	7.50" / 191 mm	540.00 ft / 164.59 m	10.87 ft / 3.31 m
	Ends:	2.00" / 51 mm	110.00 ft / 33.53 m	10.87 ft / 3.31 m
	Upper:	4.00" / 102 mm	540.00 ft / 164.59 m	8.00 ft / 2.44 m
	  Main Belt covers 128 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		2.00" / 51 mm	540.00 ft / 164.59 m	26.21 ft / 7.99 m
	Beam between torpedo bulkheads 60.00 ft / 18.29 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	12.0" / 305 mm	8.00" / 203 mm		6.00" / 152 mm
	2nd:	3.00" / 76 mm	      -			      -
	3rd:	3.00" / 76 mm	      -			      -

   - Armoured deck - multiple decks:
	For and Aft decks: 3.00" / 76 mm
	Forecastle: 2.00" / 51 mm  Quarter deck: 2.00" / 51 mm

   - Conning towers: Forward 12.00" / 305 mm, Aft 0.00" / 0 mm

Machinery:
	Coal and oil fired boilers, steam turbines,
	Direct drive, 4 shafts, 66,362 shp / 49,506 Kw = 26.00 kts
	Range 9,000nm at 12.00 kts
	Bunker at max displacement = 5,996 tons (90% coal)

Complement:
	985 - 1,281

Cost:
	£2.200 million / $8.799 million

Distribution of weights at normal displacement:
	Armament: 1,625 tons, 6.6 %
	   - Guns: 1,611 tons, 6.5 %
	   - Weapons: 14 tons, 0.1 %
	Armour: 7,308 tons, 29.5 %
	   - Belts: 2,559 tons, 10.3 %
	   - Torpedo bulkhead: 1,047 tons, 4.2 %
	   - Armament: 1,474 tons, 6.0 %
	   - Armour Deck: 2,008 tons, 8.1 %
	   - Conning Tower: 219 tons, 0.9 %
	Machinery: 4,693 tons, 19.0 %
	Hull, fittings & equipment: 6,641 tons, 26.9 %
	Fuel, ammunition & stores: 4,364 tons, 17.6 %
	Miscellaneous weights: 100 tons, 0.4 %
	   - Above deck: 100 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  27,359 lbs / 12,410 Kg = 31.7 x 12.0 " / 305 mm shells or 4.5 torpedoes
	Stability (Unstable if below 1.00): 1.25
	Metacentric height 5.6 ft / 1.7 m
	Roll period: 14.6 seconds
	Steadiness	- As gun platform (Average = 50 %): 66 %
			- Recoil effect (Restricted arc if above 1.00): 0.59
	Seaboat quality  (Average = 1.00): 1.33

Hull form characteristics:
	Hull has a flush deck,
	  a straight bulbous bow and a cruiser stern
	Block coefficient (normal/deep): 0.580 / 0.591
	Length to Beam Ratio: 7.93 : 1
	'Natural speed' for length: 25.50 kts
	Power going to wave formation at top speed: 49 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): -4.00 degrees
	Stern overhang: 5.00 ft / 1.52 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	20.00 %,  28.00 ft / 8.53 m,  22.00 ft / 6.71 m
	   - Forward deck:	30.00 %,  22.00 ft / 6.71 m,  18.00 ft / 5.49 m
	   - Aft deck:	35.00 %,  18.00 ft / 5.49 m,  18.00 ft / 5.49 m
	   - Quarter deck:	15.00 %,  18.00 ft / 5.49 m,  18.00 ft / 5.49 m
	   - Average freeboard:		19.88 ft / 6.06 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 126.7 %
		- Above water (accommodation/working, high = better): 140.0 %
	Waterplane Area: 38,259 Square feet or 3,554 Square metres
	Displacement factor (Displacement / loading): 100 %
	Structure weight / hull surface area: 148 lbs/sq ft or 722 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.98
		- Longitudinal: 1.24
		- Overall: 1.00
	Cramped machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Good seaboat, rides out heavy weather easily