ARA General Belgrano

ARA General Belgrano, Argentine General Belgrano-class battleship laid down 1903

Displacement:
	9,931 t light; 10,506 t standard; 11,120 t normal; 11,611 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(465.00 ft / 450.00 ft) x 62.00 ft x (25.00 / 25.88 ft)
	(141.73 m / 137.16 m) x 18.90 m  x (7.62 / 7.89 m)

Armament:
      4 - 12.00" / 305 mm 45.0 cal guns - 870.01lbs / 394.63kg shells, 60 per gun
	  Breech loading guns in turret on barbette mounts, 1903 Model
	  2 x Twin mounts on centreline, evenly spread
      12 - 6.00" / 152 mm 40.0 cal guns - 100.00lbs / 45.36kg shells, 150 per gun
	  Quick firing guns in casemate mounts, 1903 Model
	  12 x Single mounts on sides, evenly spread
      16 - 4.70" / 119 mm 45.0 cal guns - 45.00lbs / 20.41kg shells, 250 per gun
	  Quick firing guns in casemate mounts, 1903 Model
	  16 x Single mounts on sides, evenly spread
      12 - 2.24" / 57.0 mm 40.0 cal guns - 6.00lbs / 2.72kg shells, 500 per gun
	  Quick firing guns in deck mounts, 1903 Model
	  12 x Single mounts on sides, evenly spread
		4 raised mounts
      6 - 3.00" / 76.2 mm 40.0 cal guns - 14.31lbs / 6.49kg shells, 350 per gun
	  Quick firing guns in deck mounts, 1903 Model
	  6 x Single mounts on sides, evenly spread
      Weight of broadside 5,558 lbs / 2,521 kg
      Main Torpedoes
      4 - 18.0" / 457 mm, 11.67 ft / 3.56 m torpedoes - 0.489 t each, 1.957 t total
	submerged side tubes

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	7.00" / 178 mm	335.61 ft / 102.29 m	9.45 ft / 2.88 m
	Ends:	2.00" / 51 mm	114.37 ft / 34.86 m	9.45 ft / 2.88 m
	Upper:	5.00" / 127 mm	335.61 ft / 102.29 m	8.00 ft / 2.44 m
	  Main Belt covers 115 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
		1.50" / 38 mm	335.61 ft / 102.29 m	23.07 ft / 7.03 m
	Beam between torpedo bulkheads 46.00 ft / 14.02 m

   - Hull void:
		0.00" / 0 mm	  0.00 ft / 0.00 m	0.00 ft / 0.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	7.00" / 178 mm	3.00" / 76 mm		6.00" / 152 mm
	2nd:	4.00" / 102 mm	1.00" / 25 mm		2.00" / 51 mm
	3rd:	2.00" / 51 mm	0.50" / 13 mm		1.00" / 25 mm

   - Armoured deck - multiple decks:
	For and Aft decks: 1.00" / 25 mm
	Forecastle: 0.25" / 6 mm  Quarter deck: 0.25" / 6 mm

   - Conning towers: Forward 7.00" / 178 mm, Aft 2.00" / 51 mm

Machinery:
	Coal fired boilers, complex reciprocating steam engines,
	Direct drive, 2 shafts, 11,000 ihp / 8,206 Kw = 17.94 kts
	Range 4,200nm at 10.00 kts
	Bunker at max displacement = 1,105 tons (100% coal)

Complement:
	540 - 703

Cost:
	£1.002 million / $4.006 million

Distribution of weights at normal displacement:
	Armament: 983 tons, 8.8 %
	   - Guns: 979 tons, 8.8 %
	   - Weapons: 4 tons, 0.0 %
	Armour: 3,080 tons, 27.7 %
	   - Belts: 1,560 tons, 14.0 %
	   - Torpedo bulkhead: 430 tons, 3.9 %
	   - Armament: 661 tons, 5.9 %
	   - Armour Deck: 332 tons, 3.0 %
	   - Conning Towers: 97 tons, 0.9 %
	Machinery: 1,642 tons, 14.8 %
	Hull, fittings & equipment: 4,012 tons, 36.1 %
	Fuel, ammunition & stores: 1,189 tons, 10.7 %
	Miscellaneous weights: 215 tons, 1.9 %
	   - Hull below water: 60 tons
	   - Hull void weights: 60 tons
	   - Hull above water: 60 tons
	   - On freeboard deck: 25 tons
	   - Above deck: 10 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  16,606 lbs / 7,532 Kg = 19.2 x 12.0 " / 305 mm shells or 6.7 torpedoes
	Stability (Unstable if below 1.00): 1.27
	Metacentric height 3.7 ft / 1.1 m
	Roll period: 13.5 seconds
	Steadiness	- As gun platform (Average = 50 %): 38 %
			- Recoil effect (Restricted arc if above 1.00): 1.00
	Seaboat quality  (Average = 1.00): 1.52

Hull form characteristics:
	Hull has a flush deck,
	  a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.558 / 0.563
	Length to Beam Ratio: 7.26 : 1
	'Natural speed' for length: 21.21 kts
	Power going to wave formation at top speed: 39 %
	Trim (Max stability = 0, Max steadiness = 100): 19
	Bow angle (Positive = bow angles forward): -12.00 degrees
	Stern overhang: 5.00 ft / 1.52 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	12.71 %,  28.00 ft / 8.53 m,  25.00 ft / 7.62 m
	   - Forward deck:	37.29 %,  25.00 ft / 7.62 m,  25.00 ft / 7.62 m
	   - Aft deck:	37.29 %,  25.00 ft / 7.62 m,  25.00 ft / 7.62 m
	   - Quarter deck:	12.71 %,  25.00 ft / 7.62 m,  25.00 ft / 7.62 m
	   - Average freeboard:		25.15 ft / 7.67 m

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 114.7 %
		- Above water (accommodation/working, high = better): 173.0 %
	Waterplane Area: 19,618 Square feet or 1,823 Square metres
	Displacement factor (Displacement / loading): 105 %
	Structure weight / hull surface area: 123 lbs/sq ft or 599 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.85
		- Longitudinal: 4.43
		- Overall: 1.00
	Cramped machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Argentine battleship of the early 1900s. Originally purchased during an arms race between Argentina and Chile, with her sister ships ultimately sold off prior to delivery due to a cooling of tensions between the two nations and budgetary limitations for the Argentine Navy. Named after General Manuel Belgrano, the founding father of Argentina. Served in the Argentine Navy until 1948, first as a battleship, then as a training vessel.