(Historical data)
Huascar (ex- BNS Babur, ex-RSAN Uruguay) Sunk July 31st, 1937
Huascar, Peruvian (ex-Indian, ex-SAE) Battleship laid down 1908 (Engine 1931)
Displacement:
20,281 t light; 21,477 t standard; 23,637 t normal; 25,365 t full load
Dimensions: Length overall / water x beam x draught
552.44 ft / 547.90 ft x 83.66 ft (Bulges 91.86 ft) x 27.62 ft (normal load)
168.38 m / 167.00 m x 25.50 m (Bulges 28.00 m) x 8.42 m
Armament:
8 - 12.01" / 305 mm guns (4x2 guns), 865.70lbs / 392.67kg shells, 1908 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
12 - 6.00" / 152 mm guns (6x2 guns), 108.00lbs / 48.99kg shells, 1926 Model
Breech loading guns in turrets (on barbettes)
on side, evenly spread
12 - 3.00" / 76.2 mm guns (6x2 guns), 13.50lbs / 6.12kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
16 - 0.98" / 25.0 mm guns (8x2 guns), 0.48lbs / 0.22kg shells, 1918 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 8,391 lbs / 3,806 kg
Shells per gun, main battery: 150
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.6" / 320 mm 323.26 ft / 98.53 m 10.99 ft / 3.35 m
Ends: 5.91" / 150 mm 224.61 ft / 68.46 m 10.99 ft / 3.35 m
Upper: 7.87" / 200 mm 323.26 ft / 98.53 m 8.01 ft / 2.44 m
Main Belt covers 91 % of normal length
- Torpedo Bulkhead and Bulges:
2.36" / 60 mm 323.26 ft / 98.53 m 25.98 ft / 7.92 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 11.8" / 300 mm 9.84" / 250 mm 11.8" / 300 mm
2nd: 5.91" / 150 mm 3.94" / 100 mm 5.91" / 150 mm
3rd: 0.79" / 20 mm - -
4th: 0.39" / 10 mm - -
- Armour deck: 4.72" / 120 mm, Conning tower: 11.81" / 300 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 51,351 shp / 38,308 Kw = 23.90 kts
Range 10,000nm at 15.00 kts
Bunker at max displacement = 3,889 tons
Complement:
953 - 1,239
Cost:
£1.806 million / $7.224 million
Distribution of weights at normal displacement:
Armament: 1,049 tons, 4.4 %
Armour: 9,781 tons, 41.4 %
- Belts: 3,446 tons, 14.6 %
- Torpedo bulkhead: 734 tons, 3.1 %
- Armament: 2,475 tons, 10.5 %
- Armour Deck: 2,916 tons, 12.3 %
- Conning Tower: 210 tons, 0.9 %
Machinery: 1,536 tons, 6.5 %
Hull, fittings & equipment: 7,856 tons, 33.2 %
Fuel, ammunition & stores: 3,356 tons, 14.2 %
Miscellaneous weights: 60 tons, 0.3 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
36,195 lbs / 16,418 Kg = 41.8 x 12.0 " / 305 mm shells or 7.5 torpedoes
Stability (Unstable if below 1.00): 1.09
Metacentric height 4.5 ft / 1.4 m
Roll period: 18.2 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.40
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.595
Length to Beam Ratio: 5.96 : 1
'Natural speed' for length: 23.41 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.75 ft / 7.85 m
- Forecastle (21 %): 16.40 ft / 5.00 m
- Mid (50 %): 16.40 ft / 5.00 m
- Quarterdeck (20 %): 16.40 ft / 5.00 m
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 17.19 ft / 5.24 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 74.4 %
- Above water (accommodation/working, high = better): 109.4 %
Waterplane Area: 33,369 Square feet or 3,100 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 163 lbs/sq ft or 796 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.41
- Overall: 1.01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
60 tons reserved for flag brdge and staff accommodations