1930-31-4,000 Ton-(12) 152mm Cruiser

Enter ship name, Enter country Enter ship type laid down 1930 (Engine 1931)

Displacement:
	3,867 t light; 4,081 t standard; 4,904 t normal; 5,562 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(400.26 ft / 393.70 ft) x 49.21 ft x (19.69 / 21.55 ft)
	(122.00 m / 120.00 m) x 15.00 m  x (6.00 / 6.57 m)

Armament:
      12 - 5.98" / 152 mm 45.0 cal guns - 108.07lbs / 49.02kg shells, 120 per gun
	  Breech loading guns in deck and hoist mounts, 1922 Model
	  4 x Triple mounts on centreline ends, evenly spread
		2 raised mounts - superfiring
      4 - 3.94" / 100 mm 52.0 cal guns - 32.58lbs / 14.78kg shells, 250 per gun
	  Dual purpose guns in deck mounts, 1922 Model
	  4 x Single mounts on sides, evenly spread
      4 - 1.46" / 37.0 mm 72.0 cal guns - 1.74lbs / 0.79kg shells, 1,500 per gun
	  Anti-air guns in deck mounts, 1931 Model
	  4 x Single mounts on sides, evenly spread
		4 raised mounts
      8 - 0.98" / 25.0 mm 82.0 cal guns - 0.55lbs / 0.25kg shells, 2,500 per gun
	  Anti-air guns in deck mounts, 1924 Model
	  4 x Twin mounts on sides, evenly spread
		4 raised mounts
      Weight of broadside 1,439 lbs / 653 kg
      Main Torpedoes
      6 - 20.5" / 520 mm, 26.25 ft / 8.00 m torpedoes - 1.635 t each, 9.812 t total
	In 2 sets of deck mounted side rotating tubes
      2nd Torpedoes
      6 - 20.5" / 520 mm, 26.25 ft / 8.00 m torpedoes - 1.635 t each, 9.812 t total
	below water reloads

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	5.51" / 140 mm	236.22 ft / 72.00 m	8.43 ft / 2.57 m
	Ends:	Unarmoured
	  Main Belt covers 92 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		1.97" / 50 mm	236.22 ft / 72.00 m	16.14 ft / 4.92 m
	Beam between torpedo bulkheads 39.37 ft / 12.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	5.98" / 152 mm	3.94" / 100 mm		2.95" / 75 mm
	2nd:	1.97" / 50 mm	0.98" / 25 mm		      -

   - Armoured deck - multiple decks:
	For and Aft decks: 1.97" / 50 mm
	Forecastle: 0.98" / 25 mm  Quarter deck: 0.98" / 25 mm

   - Conning towers: Forward 4.72" / 120 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 2 shafts, 23,890 shp / 17,822 Kw = 25.00 kts
	Range 10,000nm at 15.00 kts
	Bunker at max displacement = 1,480 tons

Complement:
	292 - 380

Cost:
	£1.533 million / $6.134 million

Distribution of weights at normal displacement:
	Armament: 342 tons, 7.0 %
	   - Guns: 310 tons, 6.3 %
	   - Weapons: 32 tons, 0.7 %
	Armour: 1,372 tons, 28.0 %
	   - Belts: 465 tons, 9.5 %
	   - Torpedo bulkhead: 278 tons, 5.7 %
	   - Armament: 189 tons, 3.8 %
	   - Armour Deck: 411 tons, 8.4 %
	   - Conning Tower: 29 tons, 0.6 %
	Machinery: 714 tons, 14.6 %
	Hull, fittings & equipment: 1,388 tons, 28.3 %
	Fuel, ammunition & stores: 1,037 tons, 21.1 %
	Miscellaneous weights: 50 tons, 1.0 %
	   - On freeboard deck: 50 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  6,725 lbs / 3,051 Kg = 62.8 x 6.0 " / 152 mm shells or 1.4 torpedoes
	Stability (Unstable if below 1.00): 1.16
	Metacentric height 2.3 ft / 0.7 m
	Roll period: 13.7 seconds
	Steadiness	- As gun platform (Average = 50 %): 51 %
			- Recoil effect (Restricted arc if above 1.00): 0.56
	Seaboat quality  (Average = 1.00): 1.02

Hull form characteristics:
	Hull has rise forward of midbreak,
	  an extended bulbous bow and a cruiser stern
	Block coefficient (normal/deep): 0.450 / 0.466
	Length to Beam Ratio: 8.00 : 1
	'Natural speed' for length: 19.84 kts
	Power going to wave formation at top speed: 55 %
	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 %,  19.69 ft / 6.00 m,  16.40 ft / 5.00 m
	   - Forward deck:	30.00 %,  16.40 ft / 5.00 m,  13.12 ft / 4.00 m
	   - Aft deck:	35.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
	   - Quarter deck:	15.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
	   - Average freeboard:		12.89 ft / 3.93 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 91.9 %
		- Above water (accommodation/working, high = better): 92.5 %
	Waterplane Area: 12,359 Square feet or 1,148 Square metres
	Displacement factor (Displacement / loading): 120 %
	Structure weight / hull surface area: 92 lbs/sq ft or 448 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.94
		- Longitudinal: 1.83
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Adequate accommodation and workspace room