CRNS Dux Battlecruiser/Cruiser Leader 305mm

CRNS Dux, Calder Republic Cruiser Leader laid down 1934

Displacement:
	24,921 t light; 26,386 t standard; 29,076 t normal; 31,228 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(828.38 ft / 813.65 ft) x 91.86 ft x (28.54 / 30.03 ft)
	(252.49 m / 248.00 m) x 28.00 m  x (8.70 / 9.15 m)

Armament:
      9 - 12.01" / 305 mm 50.0 cal guns - 1,135.38lbs / 515.00kg shells, 130 per gun
	  Breech loading guns in turret on barbette mounts, 1931 Model
	  2 x 3-gun mounts on centreline, forward deck forward
		1 raised mount - superfiring
	  1 x 3-gun mount on centreline, aft deck aft
      12 - 5.12" / 130 mm 38.0 cal guns - 58.00lbs / 26.31kg shells, 300 per gun
	  Dual purpose guns in deck and hoist mounts, 1932 Model
	  4 x 2-gun mounts on sides, evenly spread
	  2 x 2-gun mounts on centreline ends, evenly spread
		2 double raised mounts
      16 - 1.46" / 37.0 mm 70.0 cal guns - 1.61lbs / 0.73kg shells, 2,000 per gun
	  Anti-air guns in deck mounts, 1928 Model
	  4 x Quad mounts on sides, evenly spread
		2 raised mounts
      8 - 0.50" / 12.7 mm 90.0 cal guns - 0.09lbs / 0.04kg shells, 2,000 per gun
	  Machine guns in deck mounts, 1930 Model
	  8 x Single mounts on sides, evenly spread
		4 raised mounts
      Weight of broadside 10,941 lbs / 4,963 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	8.86" / 225 mm	494.69 ft / 150.78 m	11.48 ft / 3.50 m
	Ends:	Unarmoured
	  Main Belt covers 94 % of normal length
	  Main Belt inclined -6.00 degrees (positive = in)

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		1.97" / 50 mm	494.69 ft / 150.78 m	24.44 ft / 7.45 m
	Beam between torpedo bulkheads 75.46 ft / 23.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	11.0" / 280 mm	5.12" / 130 mm		8.66" / 220 mm
	2nd:	3.94" / 100 mm	1.97" / 50 mm		2.95" / 75 mm
	3rd:	0.59" / 15 mm	      -			      -
	4th:	0.59" / 15 mm	      -			      -

   - Armoured deck - multiple decks:
	For and Aft decks: 3.54" / 90 mm

   - Conning towers: Forward 11.02" / 280 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 4 shafts, 143,127 shp / 106,773 Kw = 33.00 kts
	Range 10,500nm at 15.00 kts
	Bunker at max displacement = 4,842 tons

Complement:
	1,113 - 1,447

Cost:
	£11.628 million / $46.512 million

Distribution of weights at normal displacement:
	Armament: 2,197 tons, 7.6 %
	   - Guns: 2,197 tons, 7.6 %
	Armour: 7,163 tons, 24.6 %
	   - Belts: 2,118 tons, 7.3 %
	   - Torpedo bulkhead: 881 tons, 3.0 %
	   - Armament: 1,342 tons, 4.6 %
	   - Armour Deck: 2,598 tons, 8.9 %
	   - Conning Tower: 225 tons, 0.8 %
	Machinery: 4,118 tons, 14.2 %
	Hull, fittings & equipment: 11,068 tons, 38.1 %
	Fuel, ammunition & stores: 4,155 tons, 14.3 %
	Miscellaneous weights: 375 tons, 1.3 %
	   - Hull below water: 120 tons
	   - On freeboard deck: 100 tons
	   - Above deck: 155 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  39,251 lbs / 17,804 Kg = 45.3 x 12.0 " / 305 mm shells or 5.8 torpedoes
	Stability (Unstable if below 1.00): 1.20
	Metacentric height 6.2 ft / 1.9 m
	Roll period: 15.5 seconds
	Steadiness	- As gun platform (Average = 50 %): 50 %
			- Recoil effect (Restricted arc if above 1.00): 0.49
	Seaboat quality  (Average = 1.00): 1.00

Hull form characteristics:
	Hull has a flush deck,
	  a straight bulbous bow and large transom stern
	Block coefficient (normal/deep): 0.477 / 0.487
	Length to Beam Ratio: 8.86 : 1
	'Natural speed' for length: 32.96 kts
	Power going to wave formation at top speed: 51 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 22.00 degrees
	Stern overhang: 4.92 ft / 1.50 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	19.60 %,  24.28 ft / 7.40 m,  20.01 ft / 6.10 m
	   - Forward deck:	36.00 %,  20.01 ft / 6.10 m,  17.06 ft / 5.20 m
	   - Aft deck:	24.80 %,  17.06 ft / 5.20 m,  17.06 ft / 5.20 m
	   - Quarter deck:	19.60 %,  17.06 ft / 5.20 m,  17.72 ft / 5.40 m
	   - Average freeboard:		18.57 ft / 5.66 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 93.3 %
		- Above water (accommodation/working, high = better): 155.6 %
	Waterplane Area: 50,706 Square feet or 4,711 Square metres
	Displacement factor (Displacement / loading): 119 %
	Structure weight / hull surface area: 175 lbs/sq ft or 853 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.99
		- Longitudinal: 1.04
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Excellent accommodation and workspace room

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Misc Weight:

Flag Facilities = 100 tons.
x2 Rotating Gunpowder Catapult = 50 tons AD
x1 Heavy Crane = 25 tons AD
x4 Floatplantes = 80 tons AD
Seaplane Hanger = 120 tons BD

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Barbette Split Calculations:

Height of Armor Deck: 2.5m
Height of Weather Deck: 5.5m
Superfactor 0,1,0
Numbrer of guns: 3 per turret
Barbette above: 230mm
Barbette below: 295mm
Average: 219.87mm approx.

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Taper on Uniform Belt:

Main Belt Thickness: 230mm
Main Belt Height: 3m
Taper Thickness at bottom: 160mm
Taper height: 0.5mm
Average Thickness: 225mm
Total height: 3.5m
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Deck Composition:

Weather Deck: 20mm
Armor Deck = 70mm
Splinter Deck = 15mm structural