5602-Class Heavy Cruiser [1920] (Pulau)

5602-Class, Pulau Heavy Cruiser laid down 1920

Displacement:
	7,891 t light; 8,350 t standard; 10,536 t normal; 12,285 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(559.64 ft / 557.74 ft) x 65.62 ft x (19.69 / 22.17 ft)
	(170.58 m / 170.00 m) x 20.00 m  x (6.00 / 6.76 m)

Armament:
      6 - 8.00" / 203 mm 60.0 cal guns - 297.62lbs / 135.00kg shells, 175 per gun
	  Breech loading guns in deck and hoist mounts, 1920 Model
	  3 x Twin mounts on centreline ends, majority forward
		1 raised mount - superfiring
      6 - 5.00" / 127 mm 50.0 cal guns - 66.16lbs / 30.01kg shells, 250 per gun
	  Quick firing guns in deck mounts, 1919 Model
	  6 x Single mounts on sides, evenly spread
      8 - 3.00" / 76.2 mm 50.0 cal guns - 14.29lbs / 6.48kg shells, 300 per gun
	  Anti-air guns in deck mounts, 1915 Model
	  8 x Single mounts on sides, evenly spread
		8 raised mounts
      Weight of broadside 2,297 lbs / 1,042 kg
      Main Torpedoes
      8 - 21.0" / 533 mm, 19.69 ft / 6.00 m torpedoes - 1.284 t each, 10.274 t total
	In 2 sets of deck mounted side rotating tubes
      Main DC/AS Mortars
      2 - 551.16 lbs / 250.00 kg Depth Charges + 40 reloads - 10.334 t total
	in Stern depth charge racks

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	5.00" / 127 mm	364.17 ft / 111.00 m	9.71 ft / 2.96 m
	Ends:	1.50" / 38 mm	193.57 ft / 59.00 m	9.71 ft / 2.96 m
	  Main Belt covers 100 % of normal length
	  Main Belt inclined -10.00 degrees (positive = in)

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		2.00" / 51 mm	364.17 ft / 111.00 m	17.52 ft / 5.34 m
	Beam between torpedo bulkheads 49.21 ft / 15.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	6.00" / 152 mm	4.00" / 102 mm		4.00" / 102 mm
	2nd:	2.00" / 51 mm	1.00" / 25 mm		      -
	3rd:	1.00" / 25 mm	      -			      -

   - Armoured deck - multiple decks:
	For and Aft decks: 2.00" / 51 mm
	Forecastle: 1.50" / 38 mm  Quarter deck: 1.50" / 38 mm

   - Conning towers: Forward 4.00" / 102 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 2 shafts, 49,249 shp / 36,740 Kw = 27.39 kts
	Range 7,500nm at 20.00 kts
	Bunker at max displacement = 3,935 tons

Complement:
	519 - 675

Cost:
	£1.785 million / $7.139 million

Distribution of weights at normal displacement:
	Armament: 605 tons, 5.7 %
	   - Guns: 571 tons, 5.4 %
	   - Weapons: 33 tons, 0.3 %
	Armour: 2,420 tons, 23.0 %
	   - Belts: 842 tons, 8.0 %
	   - Torpedo bulkhead: 472 tons, 4.5 %
	   - Armament: 188 tons, 1.8 %
	   - Armour Deck: 877 tons, 8.3 %
	   - Conning Tower: 41 tons, 0.4 %
	Machinery: 1,722 tons, 16.3 %
	Hull, fittings & equipment: 3,144 tons, 29.8 %
	Fuel, ammunition & stores: 2,645 tons, 25.1 %
	Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  18,002 lbs / 8,166 Kg = 70.3 x 8.0 " / 203 mm shells or 3.2 torpedoes
	Stability (Unstable if below 1.00): 1.40
	Metacentric height 4.8 ft / 1.5 m
	Roll period: 12.6 seconds
	Steadiness	- As gun platform (Average = 50 %): 69 %
			- Recoil effect (Restricted arc if above 1.00): 0.34
	Seaboat quality  (Average = 1.00): 1.37

Hull form characteristics:
	Hull has a flush deck,
	  a straight bulbous bow and a round stern
	Block coefficient (normal/deep): 0.512 / 0.530
	Length to Beam Ratio: 8.50 : 1
	'Natural speed' for length: 23.62 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 %,  27.07 ft / 8.25 m,  21.88 ft / 6.67 m
	   - Forward deck:	30.00 %,  21.88 ft / 6.67 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:		18.74 ft / 5.71 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 100.1 %
		- Above water (accommodation/working, high = better): 157.0 %
	Waterplane Area: 24,650 Square feet or 2,290 Square metres
	Displacement factor (Displacement / loading): 130 %
	Structure weight / hull surface area: 105 lbs/sq ft or 515 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.96
		- Longitudinal: 1.33
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Good seaboat, rides out heavy weather easily

Made with Carb's Light Cruiser calculator; actual speed is 31.5 knots.