1937 Sovetskaya Belorussiya

Sovetskaya Belorussiya, VMF Battlecruiser laid down 1937

Displacement:
	25,462 t light; 26,565 t standard; 28,500 t normal; 30,048 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(688.98 ft / 656.17 ft) x 85.30 ft x (31.17 / 32.47 ft)
	(210.00 m / 200.00 m) x 26.00 m  x (9.50 / 9.90 m)

Armament:
      9 - 11.02" / 280 mm 54.0 cal guns - 727.53lbs / 330.00kg shells, 94 per gun
	  Breech loading guns in turret on barbette mounts, 1934 Model
	  2 x 3-gun mounts on centreline, forward evenly spread
		1 raised mount
	  1 x 3-gun mount on centreline, aft deck centre
      6 - 7.87" / 200 mm 60.0 cal guns - 268.96lbs / 122.00kg shells, 150 per gun
	  Breech loading guns in turret on barbette mounts, 1934 Model
	  2 x 3-gun mounts on centreline, forward evenly spread
		1 raised mount
      16 - 2.99" / 76.0 mm 53.0 cal guns - 14.36lbs / 6.51kg shells, 300 per gun
	  Dual purpose guns in deck and hoist mounts, 1935 Model
	  8 x Twin mounts on sides, evenly spread
      24 - 1.77" / 45.0 mm 46.0 cal guns - 2.87lbs / 1.30kg shells, 500 per gun
	  Anti-air guns in deck mounts, 1932 Model
	  24 x Single mounts on sides, evenly spread
		8 raised mounts
      Weight of broadside 8,460 lbs / 3,837 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	13.8" / 350 mm	459.32 ft / 140.00 m	13.12 ft / 4.00 m
	Ends:	Unarmoured
	Upper:	4.72" / 120 mm	360.89 ft / 110.00 m	9.84 ft / 3.00 m
	  Main Belt covers 108 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		7.87" / 200 mm	492.13 ft / 150.00 m	29.00 ft / 8.84 m
	Beam between torpedo bulkheads 65.62 ft / 20.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	19.5" / 495 mm	7.28" / 185 mm		13.8" / 350 mm
	2nd:	12.8" / 325 mm	3.15" / 80 mm		4.72" / 120 mm
	3rd:	1.18" / 30 mm	0.39" / 10 mm		1.18" / 30 mm

   - Armoured deck - multiple decks:
	For and Aft decks: 4.72" / 120 mm
	Forecastle: 0.00" / 0 mm
	- Protected deck - single deck:
	Quarter deck: 4.72" / 120 mm

   - Conning towers: Forward 13.78" / 350 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 4 shafts, 159,944 shp / 119,318 Kw = 33.04 kts
	Range 9,000nm at 14.00 kts
	Bunker at max displacement = 3,482 tons

Complement:
	1,096 - 1,425

Cost:
	£13.476 million / $53.904 million

Distribution of weights at normal displacement:
	Armament: 2,425 tons, 8.5 %
	   - Guns: 2,425 tons, 8.5 %
	Armour: 14,017 tons, 49.2 %
	   - Belts: 4,232 tons, 14.8 %
	   - Torpedo bulkhead: 4,158 tons, 14.6 %
	   - Armament: 2,014 tons, 7.1 %
	   - Armour Deck: 3,336 tons, 11.7 %
	   - Conning Tower: 277 tons, 1.0 %
	Machinery: 4,433 tons, 15.6 %
	Hull, fittings & equipment: 4,437 tons, 15.6 %
	Fuel, ammunition & stores: 3,038 tons, 10.7 %
	Miscellaneous weights: 150 tons, 0.5 %
	   - On freeboard deck: 80 tons
	   - Above deck: 70 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  30,899 lbs / 14,016 Kg = 46.1 x 11.0 " / 280 mm shells or 5.7 torpedoes
	Stability (Unstable if below 1.00): 1.00
	Metacentric height 4.0 ft / 1.2 m
	Roll period: 18.0 seconds
	Steadiness	- As gun platform (Average = 50 %): 48 %
			- Recoil effect (Restricted arc if above 1.00): 0.58
	Seaboat quality  (Average = 1.00): 0.71

Hull form characteristics:
	Hull has raised forecastle, rise forward of midbreak,
	  a straight bulbous bow and large transom stern
	Block coefficient (normal/deep): 0.572 / 0.579
	Length to Beam Ratio: 7.69 : 1
	'Natural speed' for length: 29.62 kts
	Power going to wave formation at top speed: 62 %
	Trim (Max stability = 0, Max steadiness = 100): 65
	Bow angle (Positive = bow angles forward): 45.00 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 %,  32.81 ft / 10.00 m,  31.17 ft / 9.50 m
	   - Forward deck:	55.00 %,  19.69 ft / 6.00 m,  19.69 ft / 6.00 m
	   - Aft deck:	15.00 %,  13.12 ft / 4.00 m,  13.12 ft / 4.00 m
	   - Quarter deck:	10.00 %,  13.12 ft / 4.00 m,  13.12 ft / 4.00 m
	   - Average freeboard:		20.47 ft / 6.24 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 105.3 %
		- Above water (accommodation/working, high = better): 131.9 %
	Waterplane Area: 41,527 Square feet or 3,858 Square metres
	Displacement factor (Displacement / loading): 89 %
	Structure weight / hull surface area: 164 lbs/sq ft or 799 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.96
		- Longitudinal: 1.40
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

28cm/54 SK C/34 imported from Germany
20cm/60 SK C/34 imported from Germany
76.2mm/55 34-K in 39-K mount (34-K single mount to be substituted if 39-K unavailable)
45mm/46 21-K to be replaced by 37/67 70-K when available

4 seaplanes, 2 gunpowder catapult, 1 heavy-duty crane

Main Belt 230@-45deg(325) + 120@0 = 445 LOS (both 4m wide, see diagram)

Upper deck 20+20, increases to 60 abreast magazines.
Main deck 100+20; Low protected deck over steering gear 120

Conning Tower is 230mm inner and 120mm outer.

230 barbettes start at main deck and extend 960 above weather deck. 1500 high 120 thick outer barbette near deck. average thickness forward is (260) and aft (275), total average thickness (266)

Main turret faces 230@-45deg(325)+ 120@-45deg(170) = 350(495); 150mm roof, 230mm sides and rear
Secondary turret faces 230@-45(325)

Double bottom raised to lower edge of belt armour, together with internal longitudinal bulkheads reinforced by a total of 200mm.
TDS total depth is 3m and consists of three cells filled void-fuel-void.