1937 Volga

Volga, VMF Battlecruiser laid down 1937

Displacement:
	25,060 t light; 26,560 t standard; 28,500 t normal; 30,052 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(672.57 ft / 656.17 ft) x 85.30 ft x (29.53 / 30.80 ft)
	(205.00 m / 200.00 m) x 26.00 m  x (9.00 / 9.39 m)

Armament:
      8 - 13.78" / 350 mm 45.0 cal guns - 1,319.35lbs / 598.45kg shells, 120 per gun
	  Breech loading guns in turret on barbette mounts, 1937 Model
	  3 x 2-gun mounts on centreline, forward evenly spread
		1 raised mount
	  1 x 2-gun mount on centreline, aft deck centre
      12 - 5.91" / 150 mm 45.0 cal guns - 103.86lbs / 47.11kg shells, 250 per gun
	  Quick firing guns in turret on barbette mounts, 1937 Model
	  2 x Twin mounts on centreline, evenly spread
		2 raised mounts
	  4 x Twin mounts on sides, evenly spread
      16 - 2.99" / 76.0 mm 45.0 cal guns - 13.51lbs / 6.13kg shells, 300 per gun
	  Dual purpose guns in deck mounts, 1937 Model
	  8 x Twin mounts on centreline, aft deck aft
      24 - 1.77" / 45.0 mm 45.0 cal guns - 2.80lbs / 1.27kg shells, 450 per gun
	  Breech loading guns in deck mounts, 1937 Model
	  24 x Single mounts on sides, evenly spread
      Weight of broadside 12,084 lbs / 5,481 kg

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	9.06" / 230 mm	492.13 ft / 150.00 m	10.66 ft / 3.25 m
	Ends:	4.72" / 120 mm	164.04 ft / 50.00 m	10.66 ft / 3.25 m
	Upper:	4.72" / 120 mm	492.13 ft / 150.00 m	8.01 ft / 2.44 m
	  Main Belt covers 115 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		4.72" / 120 mm	492.13 ft / 150.00 m	27.30 ft / 8.32 m
	Beam between torpedo bulkheads 65.62 ft / 20.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	9.06" / 230 mm	4.72" / 120 mm		9.06" / 230 mm
	2nd:	4.72" / 120 mm	2.36" / 60 mm		2.36" / 60 mm
	3rd:	1.18" / 30 mm	0.39" / 10 mm		      -

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

   - Conning towers: Forward 9.06" / 230 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 4 shafts, 152,456 shp / 113,732 Kw = 32.50 kts
	Range 9,000nm at 14.00 kts
	Bunker at max displacement = 3,493 tons

Complement:
	1,096 - 1,425

Cost:
	£14.104 million / $56.415 million

Distribution of weights at normal displacement:
	Armament: 2,541 tons, 8.9 %
	   - Guns: 2,541 tons, 8.9 %
	Armour: 11,151 tons, 39.1 %
	   - Belts: 3,059 tons, 10.7 %
	   - Torpedo bulkhead: 2,348 tons, 8.2 %
	   - Armament: 2,010 tons, 7.1 %
	   - Armour Deck: 3,552 tons, 12.5 %
	   - Conning Tower: 182 tons, 0.6 %
	Machinery: 4,225 tons, 14.8 %
	Hull, fittings & equipment: 6,998 tons, 24.6 %
	Fuel, ammunition & stores: 3,440 tons, 12.1 %
	Miscellaneous weights: 145 tons, 0.5 %
	   - On freeboard deck: 80 tons
	   - Above deck: 65 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  31,753 lbs / 14,403 Kg = 24.3 x 13.8 " / 350 mm shells or 5.1 torpedoes
	Stability (Unstable if below 1.00): 1.00
	Metacentric height 3.9 ft / 1.2 m
	Roll period: 18.1 seconds
	Steadiness	- As gun platform (Average = 50 %): 50 %
			- Recoil effect (Restricted arc if above 1.00): 0.91
	Seaboat quality  (Average = 1.00): 0.75

Hull form characteristics:
	Hull has rise forward of midbreak,
	  a ram bow and large transom stern
	Block coefficient (normal/deep): 0.604 / 0.610
	Length to Beam Ratio: 7.69 : 1
	'Natural speed' for length: 29.52 kts
	Power going to wave formation at top speed: 62 %
	Trim (Max stability = 0, Max steadiness = 100): 67
	Bow angle (Positive = bow angles forward): 0.00 degrees
	Stern overhang: 6.56 ft / 2.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	15.00 %,  28.18 ft / 8.59 m,  26.25 ft / 8.00 m
	   - Forward deck:	50.00 %,  26.25 ft / 8.00 m,  22.97 ft / 7.00 m
	   - Aft deck:	25.00 %,  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:		20.95 ft / 6.39 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 110.1 %
		- Above water (accommodation/working, high = better): 154.6 %
	Waterplane Area: 42,810 Square feet or 3,977 Square metres
	Displacement factor (Displacement / loading): 94 %
	Structure weight / hull surface area: 173 lbs/sq ft or 843 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.96
		- Longitudinal: 1.48
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Poor seaboat, wet and uncomfortable, reduced performance in heavy weather