This is pretty unsatisfactory: Jap/CA/1927

I have a big, fast, heavily armed Japanese heavy cruiser, but it is too big. That was the cost of having 8-10in guns and 35 knots, with a 10,000nm range.

Jap/CA/1927, Japan Heavy Cruiser laid down 1927

Displacement:
	18,077 t light; 18,733 t standard; 20,453 t normal; 21,830 t full load

Dimensions: Length overall / water x beam x draught
	751.01 ft / 748.00 ft x 74.00 ft x 27.00 ft (normal load)
	228.91 m / 227.99 m x 22.56 m  x 8.23 m

Armament:
      8 - 10.00" / 254 mm guns in single mounts, 500.00lbs / 226.80kg shells, 1927 Model
	  Breech loading guns in turrets (on barbettes)
	  on centreline ends, evenly spread, all raised mounts - superfiring
      12 - 5.00" / 127 mm guns (6x2 guns), 62.50lbs / 28.35kg shells, 1927 Model
	  Dual purpose guns in deck mounts with hoists
	  on side, evenly spread, all raised mounts
      27 - 0.98" / 25.0 mm guns (9x3 guns), 0.48lbs / 0.22kg shells, 1927 Model
	  Anti-aircraft guns in deck mounts 
	  on side ends, majority forward
	Weight of broadside 4,763 lbs / 2,160 kg
	Shells per gun, main battery: 90
	12 - 24.0" / 610 mm above water torpedoes

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	4.00" / 102 mm	485.00 ft / 147.83 m	12.00 ft / 3.66 m
	Ends:	Unarmoured
	  Main Belt covers 100 % of normal length
	  Main belt does not fully cover magazines and engineering spaces

   - Torpedo Bulkhead:
		1.00" / 25 mm	485.00 ft / 147.83 m	24.00 ft / 7.32 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	4.00" / 102 mm	3.00" / 76 mm		3.00" / 76 mm
	2nd:	1.00" / 25 mm	1.00" / 25 mm		1.00" / 25 mm

   - Armour deck: 3.00" / 76 mm, Conning tower: 3.00" / 76 mm

Machinery:
	Oil fired boilers, steam turbines, 
	Geared drive, 4 shafts, 169,400 shp / 126,373 Kw = 35.00 kts
	Range 9,600nm at 14.00 kts
	Bunker at max displacement = 3,097 tons

Complement:
	854 - 1,111

Cost:
	£6.842 million / $27.366 million

Distribution of weights at normal displacement:
	Armament: 595 tons, 2.9 %
	Armour: 4,122 tons, 20.2 %
	   - Belts: 967 tons, 4.7 %
	   - Torpedo bulkhead: 431 tons, 2.1 %
	   - Armament: 667 tons, 3.3 %
	   - Armour Deck: 2,009 tons, 9.8 %
	   - Conning Tower: 48 tons, 0.2 %
	Machinery: 5,347 tons, 26.1 %
	Hull, fittings & equipment: 8,013 tons, 39.2 %
	Fuel, ammunition & stores: 2,376 tons, 11.6 %
	Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  19,766 lbs / 8,966 Kg = 39.5 x 10.0 " / 254 mm shells or 2.4 torpedoes
	Stability (Unstable if below 1.00): 1.14
	Metacentric height 4.1 ft / 1.2 m
	Roll period: 15.4 seconds
	Steadiness	- As gun platform (Average = 50 %): 52 %
			- Recoil effect (Restricted arc if above 1.00): 0.66
	Seaboat quality  (Average = 1.00): 1.00

Hull form characteristics:
	Hull has raised forecastle
	Block coefficient: 0.479
	Length to Beam Ratio: 10.11 : 1
	'Natural speed' for length: 27.35 kts
	Power going to wave formation at top speed: 54 %
	Trim (Max stability = 0, Max steadiness = 100): 52
	Bow angle (Positive = bow angles forward): 2.00 degrees
	Stern overhang: 2.00 ft / 0.61 m
	Freeboard (% = measuring location as a percentage of overall length):
	   - Stem:		29.00 ft / 8.84 m
	   - Forecastle (20 %):	22.00 ft / 6.71 m (21.00 ft / 6.40 m aft of break)
	   - Mid (50 %):		21.00 ft / 6.40 m
	   - Quarterdeck (15 %):	21.00 ft / 6.40 m
	   - Stern:		21.00 ft / 6.40 m
	   - Average freeboard:	21.76 ft / 6.63 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 146.2 %
		- Above water (accommodation/working, high = better): 136.4 %
	Waterplane Area: 36,191 Square feet or 3,362 Square metres
	Displacement factor (Displacement / loading): 104 %
	Structure weight / hull surface area: 139 lbs/sq ft or 676 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.99
		- Longitudinal: 1.10
		- Overall: 1.00
	Hull space for machinery, storage, compartmentation is cramped
	Room for accommodation and workspaces is excellent