This time an old battleship (laid down 188
after it has been rebuilt once.
Capitan Prat, Chile Old Battleship laid down 1888 (Engine 1909)
Displacement:
6,322 t light; 6,648 t standard; 6,901 t normal; 7,076 t full load
Dimensions: Length overall / water x beam x draught
328.00 ft / 328.00 ft x 60.67 ft x 26.20 ft (normal load)
99.97 m / 99.97 m x 18.49 m x 7.99 m
Armament:
2 - 9.40" / 239 mm guns in single mounts, 402.84lbs / 182.72kg shells, 1888 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
2 - 9.40" / 239 mm guns in single mounts, 402.84lbs / 182.72kg shells, 1888 Model
Breech loading guns in turrets (on barbettes)
on side, all amidships
8 - 4.70" / 119 mm guns (4x2 guns), 50.35lbs / 22.84kg shells, 1888 Model
Breech loading guns in deck mounts with hoists
on side, evenly spread
14 - 1.27" / 32.3 mm guns in single mounts, 1.00lbs / 0.45kg shells, 1888 Model
Quick firing guns in deck mounts
on side, evenly spread, 10 raised mounts
6 - 2.31" / 58.7 mm guns in single mounts, 6.00lbs / 2.72kg shells, 1888 Model
Quick firing guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 2,064 lbs / 936 kg
Shells per gun, main battery: 150
4 - 18.0" / 457.2 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.0" / 305 mm 198.20 ft / 60.41 m 6.50 ft / 1.98 m
Ends: 2.33" / 59 mm 129.80 ft / 39.56 m 8.00 ft / 2.44 m
Upper: 2.00" / 51 mm 213.20 ft / 64.98 m 8.00 ft / 2.44 m
Main Belt covers 93 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.00" / 51 mm 2.00" / 51 mm 10.5" / 267 mm
2nd: 2.00" / 51 mm 2.00" / 51 mm 10.5" / 267 mm
3rd: 2.00" / 51 mm - -
- Armour deck: 3.00" / 76 mm, Conning tower: 12.00" / 305 mm
Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 12,403 ihp / 9,253 Kw = 19.50 kts
Range 4,000nm at 8.00 kts (Bunkerage = 455 tons)
Complement:
378 - 492
Cost:
£0.572 million / $2.286 million
Distribution of weights at normal displacement:
Armament: 258 tons, 3.7 %
Armour: 2,128 tons, 30.8 %
- Belts: 932 tons, 13.5 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 422 tons, 6.1 %
- Armour Deck: 680 tons, 9.9 %
- Conning Tower: 94 tons, 1.4 %
Machinery: 954 tons, 13.8 %
Hull, fittings & equipment: 2,931 tons, 42.5 %
Fuel, ammunition & stores: 579 tons, 8.4 %
Miscellaneous weights: 50 tons, 0.7 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
7,649 lbs / 3,469 Kg = 19.0 x 9.4 " / 239 mm shells or 1.7 torpedoes
Stability (Unstable if below 1.00): 1.02
Metacentric height 2.5 ft / 0.8 m
Steadiness - As gun platform (Average = 50 %): 66 %
- Recoil effect (Restricted arc if above 1.00): 0.47
Seaboat quality (Average = 1.00): 1.33
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.463
Length to Beam Ratio: 5.41 : 1
'Natural speed' for length: 18.11 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20.65 ft / 6.29 m
- Forecastle (20 %): 17.68 ft / 5.39 m
- Mid (50 %): 12.68 ft / 3.86 m
- Quarterdeck (15 %): 12.68 ft / 3.86 m
- Stern: 12.68 ft / 3.86 m
- Average freeboard: 14.67 ft / 4.47 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 75.4 %
- Above water (accommodation/working, high = better): 76.7 %
Waterplane Area: 12,257 Square feet or 1,139 Square metres
Displacement factor (Displacement / loading): 112 %
Structure weight / hull surface area: 144 lbs/sq ft or 701 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.03
- Longitudinal: 4.15
- Overall: 1.19
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Good seaboat, rides out heavy weather easily