Whakakotahitanga-Class Light Cruiser [1924] (Arasazi)

Whakakotahitanga (Confederation)-Class, Arasazi Coalition Light Cruiser laid down 1924

Displacement:
	7,913 t light; 8,400 t standard; 12,452 t normal; 15,694 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(593.83 ft / 590.55 ft) x 52.49 ft x (26.25 / 31.43 ft)
	(181.00 m / 180.00 m) x 16.00 m  x (8.00 / 9.58 m)

Armament:
      12 - 5.50" / 140 mm 53.0 cal guns - 85.01lbs / 38.56kg shells, 300 per gun
	  Quick firing guns in deck and hoist mounts, 1924 Model
	  4 x Triple mounts on centreline, evenly spread
		2 raised mounts
      8 - 4.00" / 102 mm 45.0 cal guns - 33.51lbs / 15.20kg shells, 450 per gun
	  Quick firing guns in deck mounts, 1921 Model
	  8 x Single mounts on sides, evenly spread
      14 - 0.50" / 12.7 mm 67.0 cal guns - 0.07lbs / 0.03kg shells, 2,500 per gun
	  Machine guns in deck mounts, 1914 Model
	  14 x Single mounts on sides, evenly spread
      Weight of broadside 1,289 lbs / 585 kg
      Main Torpedoes
      8 - 24.0" / 610 mm, 32.81 ft / 10.00 m torpedoes - 2.674 t each, 21.390 t total
	In 2 sets of deck mounted side rotating tubes
      2nd Torpedoes
      8 - 24.0" / 610 mm, 32.81 ft / 10.00 m torpedoes - 2.674 t each, 21.390 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	4.00" / 102 mm	328.08 ft / 100.00 m	8.69 ft / 2.65 m
	Ends:	Unarmoured
	  Main Belt covers 85 % of normal length
	  Main Belt inclined -10.00 degrees (positive = in)

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		1.50" / 38 mm	328.08 ft / 100.00 m	23.85 ft / 7.27 m
	Beam between torpedo bulkheads 45.93 ft / 14.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	3.00" / 76 mm	2.01" / 51 mm		2.01" / 51 mm
	2nd:	0.99" / 25 mm	      -			      -

   - Armoured deck - multiple decks:
	For and Aft decks: 2.01" / 51 mm
	Forecastle: 2.01" / 51 mm  Quarter deck: 2.01" / 51 mm

   - Conning towers: Forward 5.00" / 127 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 2 shafts, 64,832 shp / 48,365 Kw = 29.40 kts
	Range 5,000nm at 29.40 kts
	Bunker at max displacement = 7,293 tons

Complement:
	589 - 766

Cost:
	£2.189 million / $8.757 million

Distribution of weights at normal displacement:
	Armament: 387 tons, 3.1 %
	   - Guns: 318 tons, 2.6 %
	   - Weapons: 70 tons, 0.6 %
	Armour: 1,883 tons, 15.1 %
	   - Belts: 475 tons, 3.8 %
	   - Torpedo bulkhead: 434 tons, 3.5 %
	   - Armament: 97 tons, 0.8 %
	   - Armour Deck: 819 tons, 6.6 %
	   - Conning Tower: 58 tons, 0.5 %
	Machinery: 2,135 tons, 17.1 %
	Hull, fittings & equipment: 3,357 tons, 27.0 %
	Fuel, ammunition & stores: 4,539 tons, 36.5 %
	Miscellaneous weights: 150 tons, 1.2 %
	   - Hull below water: 100 tons
	   - On freeboard deck: 50 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  18,938 lbs / 8,590 Kg = 227.7 x 5.5 " / 140 mm shells or 1.4 torpedoes
	Stability (Unstable if below 1.00): 1.28
	Metacentric height 3.0 ft / 0.9 m
	Roll period: 12.8 seconds
	Steadiness	- As gun platform (Average = 50 %): 61 %
			- Recoil effect (Restricted arc if above 1.00): 0.38
	Seaboat quality  (Average = 1.00): 1.23

Hull form characteristics:
	Hull has a flush deck,
	  an extended bulbous bow and small transom stern
	Block coefficient (normal/deep): 0.536 / 0.564
	Length to Beam Ratio: 11.25 : 1
	'Natural speed' for length: 25.89 kts
	Power going to wave formation at top speed: 52 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 4.00 degrees
	Stern overhang: 0.00 ft / 0.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	20.00 %,  22.97 ft / 7.00 m,  18.86 ft / 5.75 m
	   - Forward deck:	30.00 %,  18.86 ft / 5.75 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:		17.59 ft / 5.36 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 78.8 %
		- Above water (accommodation/working, high = better): 114.1 %
	Waterplane Area: 21,868 Square feet or 2,032 Square metres
	Displacement factor (Displacement / loading): 165 %
	Structure weight / hull surface area: 92 lbs/sq ft or 449 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.97
		- Longitudinal: 1.28
		- Overall: 1.00
	Excellent machinery, storage, compartmentation space
	Adequate accommodation and workspace room
	Good seaboat, rides out heavy weather easily

Made with Carb's Light Cruiser calculator; actual speed is 35 knots (engine factor=.84)