You are not logged in.

Dear visitor, welcome to WesWorld. If this is your first visit here, please read the Help. It explains in detail how this page works. To use all features of this page, you should consider registering. Please use the registration form, to register here or read more information about the registration process. If you are already registered, please login here.

1

Friday, October 24th 2003, 3:27am

!912 Collier class

Enter ship name, Iberia Collier laid down 1912

Displacement:
11,181 t light; 11,439 t standard; 12,395 t normal; 13,111 t full load
Loading submergence 692 tons/feet

Dimensions:
426.51 ft x 68.90 ft x 19.69 ft (normal load)
130.00 m x 21.00 m x 6.00 m

Armament:
4 - 3.94" / 100 mm guns
Weight of broadside 122 lbs / 55 kg

Machinery:
Oil fired boilers, complex reciprocating steam engines,
Direct drive, 1 shaft, 5,199 ihp / 3,878 Kw = 14.00 kts
Range 10,000nm at 10.00 kts

Complement:
587 - 763

Cost:
£0.448 million / $1.792 million

Distribution of weights at normal displacement:
Armament: 15 tons, 0.1 %
Machinery: 313 tons, 2.5 %
Hull, fittings & equipment: 2,853 tons, 23.0 %
Fuel, ammunition & stores: 1,215 tons, 9.8 %
Miscellaneous weights: 8,000 tons, 64.5 %

Metacentric height 2.9

Remarks:
Hull space for machinery, storage & compartmentation is excellent
Room for accommodation & workspaces is excellent
Excellent seaboat, comfortable and able to fight her guns in the heaviest weather

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.01
Shellfire needed to sink: 15,675 lbs / 7,110 Kg = 513.7 x 3.9 " / 100 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 2.2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 56 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.01
Relative quality as seaboat: 2.00

Hull form characteristics:
Block coefficient: 0.750
Sharpness coefficient: 0.48
Hull speed coefficient 'M': 5.64
'Natural speed' for length: 20.65 kts
Power going to wave formation at top speed: 34 %
Trim: 28
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 79.8 %
Relative accommodation and working space: 141.9 %
(Average = 100%)
Displacement factor: 142 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.98
(Structure weight / hull surface area: 84 lbs / square foot or 411 Kg / square metre)
Relative longitudinal hull strength: 1.53
(for 18.04 ft / 5.50 m average freeboard, freeboard adjustment 2.24 ft)
Relative composite hull strength: 1.02


2

Friday, October 24th 2003, 7:44pm

Seems strange that a collier would have oil fired boilers.

3

Friday, October 24th 2003, 8:23pm

well, talk about lack of knowledge. I never until now made the connection between collier = coalier ...

it's an oiler obviously (and food and ammo transport)

Bernhard