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1

Saturday, December 18th 2010, 3:37am

Azeri Minesweepers

Karabakh -class:
- Karabakh (MSW-01) - 1936

2

Saturday, December 18th 2010, 3:40am

Karabakh-class

Note: I just discovered this ship was never posted in the encyclopedia despite being built in 1936. My bad!


[SIZE=1]Image by thesmilingassassin.[/SIZE]

[SIZE=3]Karabakh, Azeri Atlantean-built Mine warfare vessel laid down 1936 (design of 1929[/SIZE]

Displacement:
674 t light; 694 t standard; 782 t normal; 853 t full load

Dimensions: Length overall / water x beam x draught
229.73 ft / 227.00 ft x 26.00 ft x 8.00 ft (normal load)
70.02 m / 69.19 m x 7.92 m x 2.44 m

Armament:
2 - 3.00" / 76.2 mm guns (1x2 guns), 13.50lbs / 6.12kg shells, 1929 Model
Dual purpose guns in deck mount
on centreline forward
2 - 1.57" / 39.9 mm guns (1x2 guns), 1.93lbs / 0.88kg shells, 1929 Model
Anti-aircraft guns in deck mount
on centreline aft
2 - 0.79" / 20 mm guns (1x2 guns), 0.25lbs / 0.11kg shells, 1929 Model
Anti-aircraft guns in deck mount
on centreline forward, all raised guns - superfiring
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1929 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 32 lbs / 14 kg
Shells per gun, main battery: 220

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 1,912 shp / 1,426 Kw = 16.50 kts
Range 5,000nm at 12.00 kts
Bunker at max displacement = 159 tons

Complement:
73 - 96

Cost:
£0.141 million / $0.562 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0.5 %
Armour: 5 tons, 0.6 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 5 tons, 0.6 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 59 tons, 7.5 %
Hull, fittings & equipment: 427 tons, 54.6 %
Fuel, ammunition & stores: 108 tons, 13.8 %
Miscellaneous weights: 180 tons, 23.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,663 lbs / 754 Kg = 123.2 x 3.0 " / 76 mm shells or 1.1 torpedoes
Stability (Unstable if below 1.00): 1.01
Metacentric height 0.7 ft / 0.2 m
Roll period: 13.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.06
Seaboat quality (Average = 1.00): 1.34

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.580
Length to Beam Ratio: 8.73 : 1
'Natural speed' for length: 15.07 kts
Power going to wave formation at top speed: 48 %
Trim (Max stability = 0, Max steadiness = 100): 52
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 10.20 ft / 3.11 m
- Forecastle (20 %): 10.00 ft / 3.05 m
- Mid (50 %): 8.00 ft / 2.44 m
- Quarterdeck (15 %): 6.00 ft / 1.83 m (8.00 ft / 2.44 m before break)
- Stern: 6.00 ft / 1.83 m
- Average freeboard: 8.42 ft / 2.57 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 54.6 %
- Above water (accommodation/working, high = better): 93.5 %
Waterplane Area: 4,237 Square feet or 394 Square metres
Displacement factor (Displacement / loading): 235 %
Structure weight / hull surface area: 66 lbs/sq ft or 321 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.82
- Longitudinal: 2.43
- Overall: 1.87
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Ships in Class:
- MSW-01 Karabakh (1936)