Ammunition Ship, laid down 1912
Length, 90.0 m x Beam, 17.0 m x Depth, 5.0 m
5399 tonnes normal displacement (4794 tonnes standard)
Main battery: 2 x 0.7-cm
Weight of broadside: 0 kg
Hull unarmored
Cargo - 3,00 tons - 3590 GRT
Maximum speed for 4189 shaft kw = 16.00 knots
Approximate cruising radius, 8000 nm / 10 knots
Typical complement: 315-409
Estimated cost, $794,000 (£198,000)
Remarks:
Excellent seaboat; comfortable and able to fight her guns
in the
heaviest weather.
Magazines and engineering spaces are roomy, with superior
watertight
subdivision.
Distribution of weights:
Percent
normal
displacement:
Machinery ........................ 246 tonnes
= 5 pct
Hull and fittings; equipment .....
1340 tonnes = 25 pct
Fuel, ammunition, stores .........
713 tonnes = 13 pct
Miscellaneous weights ............
3100 tonnes = 57 pct
-----
5399 tonnes = 100 pct
Estimated metacentric height, 0.7 m
Displacement summary:
Light ship:
4686 tonnes
Standard displacement: 4794 tonnes
Normal service: 5399 tonnes
Full load: 5861 tonnes
Loading submergence 1215 tonnes/metre
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Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.04
Shellfire needed to sink: 3057 kg = 642540.3 x 0.7-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not
counting critical hits)
Torpedoes needed to sink: 1.5
(Approximates number of 'typical'
torpedo hits needed to sink ship)
Relative steadiness as gun platform, 47 percent
(50 percent is 'average')
Relative rocking effect from firing to beam, 0.00
Relative quality as a seaboat: 1.50
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Hull form characteristics:
Block coefficient: 0.70
Sharpness coefficient: 0.48
Hull speed coefficient 'M' = 5.14
'Natural speed' for length = 17.2 knots
Power going to wave formation
at top speed: 51 percent
Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 78 percent
Relative accommodation and working space: 103 percent
Displacement factor: 150 percent
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.09
(Structure weight per square
metre
of hull surface: 364 kg)
Relative longitudinal hull strength: 2.11
(for 4.00 m average freeboard;
freeboard
adjustment -0.08 m)
Relative composite hull strength: 1.16
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[Machine-readable parameters: Spring Style v. 1.2.1]
295.20 x 55.76 x 16.40; 13.12 -- Dimensions
0.70 -- Block coefficient
1912 -- Year laid down
16.00 / 8000
/ 10.00; Turbine, coal fired -- Speed / radius / cruise
3100 tons -- Miscellaneous weights
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2 x 0.28;
0 -- Main battery; turrets
Central positioning of guns
:
0 -- No secondary battery
0 --
No tertiary (QF/AA) battery
0 -- No fourth (light) battery
0 -- No torpedo armament
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0.00 -- No
belt armor
0.00 / 0.00 -- Deck / CT
0.00 -- No battery armor
(Note: For portability, values are stored in Anglo-American units)
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