RM Bologna 05

RM Bologna, Italy CA laid down 1932 (Engine 1934)

Displacement:
	9,464 t light; 10,000 t standard; 11,439 t normal; 12,590 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(613.70 ft / 607.00 ft) x 70.00 ft x (18.86 / 20.23 ft)
	(187.06 m / 185.01 m) x 21.34 m  x (5.75 / 6.17 m)

Armament:
      8 - 7.99" / 203 mm 60.0 cal guns - 415.00lbs / 188.24kg shells, 120 per gun
	  Breech loading guns in turret on barbette mounts, 1932 Model
	  1 x Quad mount on sides, aft deck forward
	  1 x Quad mount on sides, forward deck aft
      8 - 3.94" / 100 mm 47.0 cal guns - 31.75lbs / 14.40kg shells, 450 per gun
	  Dual purpose guns in deck mounts, 1932 Model
	  4 x Twin mounts on centreline, evenly spread
		4 raised mounts
      8 - 1.57" / 40.0 mm 39.0 cal guns - 1.85lbs / 0.84kg shells, 2,000 per gun
	  Auto rapid fire guns in deck mounts, 1932 Model
	  2 x Quad mounts on centreline, evenly spread
		2 raised mounts
      12 - 0.52" / 13.2 mm 76.0 cal guns - 0.09lbs / 0.04kg shells, 10,000 per gun
	  Machine guns in deck mounts, 1932 Model
	  12 x Single mounts on sides, evenly spread
      Weight of broadside 3,590 lbs / 1,628 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	3.00" / 76 mm	330.00 ft / 100.58 m	10.04 ft / 3.06 m
	Ends:	Unarmoured
	  Main Belt covers 84 % of normal length

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	5.00" / 127 mm	2.00" / 51 mm		5.00" / 127 mm
	2nd:	0.50" / 13 mm	      -			      -

   - Protected deck - single deck:
	For and Aft decks: 3.00" / 76 mm
	Forecastle: 1.00" / 25 mm  Quarter deck: 1.00" / 25 mm

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

Machinery:
	Oil fired boilers, steam turbines,
	Electric motors, 2 shafts, 71,214 shp / 53,125 Kw = 31.08 kts
	Range 5,397nm at 20.00 kts
	Bunker at max displacement = 2,591 tons

Complement:
	552 - 718

Cost:
	£4.145 million / $16.579 million

Distribution of weights at normal displacement:
	Armament: 715 tons, 6.3 %
	   - Guns: 715 tons, 6.3 %
	Armour: 2,019 tons, 17.6 %
	   - Belts: 429 tons, 3.8 %
	   - Armament: 226 tons, 2.0 %
	   - Armour Deck: 1,309 tons, 11.4 %
	   - Conning Tower: 55 tons, 0.5 %
	Machinery: 2,049 tons, 17.9 %
	Hull, fittings & equipment: 4,466 tons, 39.0 %
	Fuel, ammunition & stores: 1,975 tons, 17.3 %
	Miscellaneous weights: 215 tons, 1.9 %
	   - On freeboard deck: 215 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  16,377 lbs / 7,429 Kg = 64.2 x 8.0 " / 203 mm shells or 2.2 torpedoes
	Stability (Unstable if below 1.00): 1.29
	Metacentric height 4.7 ft / 1.4 m
	Roll period: 13.6 seconds
	Steadiness	- As gun platform (Average = 50 %): 53 %
			- Recoil effect (Restricted arc if above 1.00): 0.34
	Seaboat quality  (Average = 1.00): 1.06

Hull form characteristics:
	Hull has raised forecastle, raised quarterdeck ,
	  a straight bulbous bow and large transom stern
	Block coefficient (normal/deep): 0.499 / 0.513
	Length to Beam Ratio: 8.67 : 1
	'Natural speed' for length: 28.44 kts
	Power going to wave formation at top speed: 55 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 15.00 degrees
	Stern overhang: 0.00 ft / 0.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	30.00 %,  25.00 ft / 7.62 m,  22.00 ft / 6.71 m
	   - Forward deck:	27.00 %,  15.00 ft / 4.57 m,  15.00 ft / 4.57 m
	   - Aft deck:	23.00 %,  15.00 ft / 4.57 m,  15.00 ft / 4.57 m
	   - Quarter deck:	20.00 %,  22.00 ft / 6.71 m,  23.00 ft / 7.01 m
	   - Average freeboard:		18.96 ft / 5.78 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 83.0 %
		- Above water (accommodation/working, high = better): 152.3 %
	Waterplane Area: 29,426 Square feet or 2,734 Square metres
	Displacement factor (Displacement / loading): 125 %
	Structure weight / hull surface area: 116 lbs/sq ft or 567 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.97
		- Longitudinal: 1.31
		- Overall: 1.00

	Excellent machinery, storage, compartmentation space
	Excellent accommodation and workspace room