WesWorld

Quoted

Angamos, Chilean Fleet Oiler laid down 1937

Displacement:
8,562 t light; 8,828 t standard; 12,886 t normal; 16,133 t full load

Dimensions: Length overall / water x beam x draught
493.94 ft / 480.00 ft x 65.00 ft x 26.00 ft (normal load)
150.55 m / 146.30 m x 19.81 m x 7.92 m

Armament:
2 - 4.33" / 110 mm guns (1x2 guns), 40.61lbs / 18.42kg shells, 1937 Model
Dual purpose guns in a deck mount with hoist
on centreline forward
6 - 1.46" / 37.0 mm guns (2x3 guns), 1.55lbs / 0.70kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on centreline, all amidships
6 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 92 lbs / 42 kg
Shells per gun, main battery: 150

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.57" / 40 mm 1.57" / 40 mm -
2nd: 0.79" / 20 mm - -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 21,358 shp / 15,933 Kw = 21.00 kts
Range 30,000nm at 15.00 kts
Bunker at max displacement = 7,305 tons

Complement:
604 - 786

Cost:
£2.139 million / $8.557 million

Distribution of weights at normal displacement:
Armament: 11 tons, 0.1 %
Armour: 10 tons, 0.1 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 10 tons, 0.1 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 592 tons, 4.6 %
Hull, fittings & equipment: 2,949 tons, 22.9 %
Fuel, ammunition & stores: 4,324 tons, 33.6 %
Miscellaneous weights: 5,000 tons, 38.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
20,247 lbs / 9,184 Kg = 498.5 x 4.3 " / 110 mm shells or 3.0 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 3.0 ft / 0.9 m
Roll period: 15.7 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 1.73

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.556
Length to Beam Ratio: 7.38 : 1
'Natural speed' for length: 21.91 kts
Power going to wave formation at top speed: 46 %
Trim (Max stability = 0, Max steadiness = 100): 29
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 9.00 ft / 2.74 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28.00 ft / 8.53 m
- Forecastle (20 %): 16.00 ft / 4.88 m
- Mid (40 %): 16.00 ft / 4.88 m
- Quarterdeck (15 %): 16.00 ft / 4.88 m
- Stern: 16.00 ft / 4.88 m
- Average freeboard: 16.96 ft / 5.17 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 58.7 %
- Above water (accommodation/working, high = better): 86.1 %
Waterplane Area: 21,897 Square feet or 2,034 Square metres
Displacement factor (Displacement / loading): 205 %
Structure weight / hull surface area: 86 lbs/sq ft or 420 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.56
- Overall: 1.01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Excellent seaboat, comfortable, can fire her guns in the heaviest weather