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This post has been edited 5 times, last edit by "Brockpaine" (Oct 7th 2008, 4:00am)
This post has been edited 3 times, last edit by "Brockpaine" (Mar 31st 2008, 8:08pm)
Quoted
Arablinski, Azerbaijan Gunboat laid down 1935
Displacement:
376 t light; 405 t standard; 422 t normal; 435 t full load
Dimensions: Length overall / water x beam x draught
183.34 ft / 180.45 ft x 26.25 ft x 8.20 ft (normal load)
55.88 m / 55.00 m x 8.00 m x 2.50 m
Armament:
2 - 4.13" / 105 mm guns in single mounts, 35.32lbs / 16.02kg shells, 1935 Model
Quick firing guns in deck mounts
on centreline ends, evenly spread
4 - 0.79" / 20.0 mm guns (1x4 guns), 0.24lbs / 0.11kg shells, 1935 Model
Anti-aircraft guns in deck mount
on side amidships
4 - 0.30" / 7.6 mm guns (2x2 guns), 0.01lbs / 0.00kg shells, 1935 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 72 lbs / 32 kg
Shells per gun, main battery: 500
3 - 18.0" / 457.2 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.79" / 20 mm 0.39" / 10 mm -
2nd: 0.79" / 20 mm 0.39" / 10 mm -
- Conning tower: 1.18" / 30 mm
Machinery:
Diesel Internal combustion motors,
Direct drive, 2 shafts, 2,856 shp / 2,131 Kw = 21.00 kts
Range 1,500nm at 12.00 kts
Bunker at max displacement = 30 tons
Complement:
46 - 60
Cost:
£0.163 million / $0.653 million
Distribution of weights at normal displacement:
Armament: 9 tons, 2.1 %
Armour: 5 tons, 1.2 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 4 tons, 0.9 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 1 tons, 0.3 %
Machinery: 81 tons, 19.2 %
Hull, fittings & equipment: 250 tons, 59.3 %
Fuel, ammunition & stores: 45 tons, 10.8 %
Miscellaneous weights: 31 tons, 7.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
730 lbs / 331 Kg = 20.7 x 4.1 " / 105 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 0.8 ft / 0.2 m
Roll period: 12.2 seconds
Steadiness - As gun platform (Average = 50 %): 57 %
- Recoil effect (Restricted arc if above 1.00): 0.16
Seaboat quality (Average = 1.00): 1.22
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.380
Length to Beam Ratio: 6.88 : 1
'Natural speed' for length: 16.15 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 47
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: 16.40 ft / 5.00 m
- Forecastle (20 %): 9.84 ft / 3.00 m
- Mid (50 %): 9.84 ft / 3.00 m
- Quarterdeck (15 %): 9.84 ft / 3.00 m
- Stern: 9.84 ft / 3.00 m
- Average freeboard: 10.37 ft / 3.16 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 90.9 %
- Above water (accommodation/working, high = better): 83.0 %
Waterplane Area: 2,996 Square feet or 278 Square metres
Displacement factor (Displacement / loading): 156 %
Structure weight / hull surface area: 48 lbs/sq ft or 233 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.13
- Longitudinal: 6.50
- Overall: 1.35
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is cramped
Good seaboat, rides out heavy weather easily
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