WesWorld

[SIZE=3]Kiyamaki Dagh Class Minesweeper (Coastal)[/SIZE]

Kiyamaki Dagh, M-2, laid down 1931
Kuh-e Damavand, M-3, laid down 1932, lost 1938
Kabir Sabz, M-4, laid down 1932
Dena, M-5, laid down 1932
Bazman, M-6, laid down 1932

Displacement:
473 t light; 501 t standard; 605 t normal; 686 t full load

Dimensions: Length overall / water x beam x draught
227.82 ft / 220.00 ft x 25.00 ft x 7.00 ft (normal load)
69.44 m / 67.06 m x 7.62 m x 2.13 m

Armament:
3 - 4.13" / 105 mm guns in single mounts, 34.00lbs / 15.42kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority forward
4 - 1.97" / 50.0 mm guns (2x2 guns), 4.00lbs / 1.81kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
12 - 0.98" / 25.0 mm guns (4x3 guns), 0.57lbs / 0.26kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 125 lbs / 57 kg
Shells per gun, main battery: 200

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
2nd: 1.00" / 25 mm - -
3rd: 1.00" / 25 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 2,681 shp / 2,000 Kw = 18.70 kts
Range 4,000nm at 15.00 kts (Bunkerage = 188 tons)

Complement:
60 - 79

Cost:
£0.186 million / $0.745 million

Distribution of weights at normal displacement:
Armament: 16 tons, 2.6 %
Armour: 16 tons, 2.6 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 16 tons, 2.6 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 79 tons, 13.1 %
Hull, fittings & equipment: 262 tons, 43.4 %
Fuel, ammunition & stores: 132 tons, 21.8 %
Miscellaneous weights: 100 tons, 16.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,041 lbs / 472 Kg = 29.5 x 4.1 " / 105 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.09
Metacentric height 0.7 ft / 0.2 m
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.58
Seaboat quality (Average = 1.00): 1.55

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.550
Length to Beam Ratio: 8.80 : 1
'Natural speed' for length: 14.83 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 45
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 16.00 ft / 4.88 m
- Forecastle (20 %): 9.75 ft / 2.97 m
- Mid (50 %): 9.65 ft / 2.94 m
- Quarterdeck (15 %): 9.65 ft / 2.94 m
- Stern: 9.65 ft / 2.94 m
- Average freeboard: 10.19 ft / 3.10 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 81.8 %
- Above water (accommodation/working, high = better): 114.3 %
Waterplane Area: 3,723 Square feet or 346 Square metres
Displacement factor (Displacement / loading): 151 %
Structure weight / hull surface area: 40 lbs/sq ft or 193 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.90
- Longitudinal: 2.69
- Overall: 1.00
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
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

[size=3]M-7 class minesweeper (Coastal)[/size]

450 t minesweepers with secondary escort capabilities.

M-7, laid down 1942
M-8, laid down 1942
M-9, laid down 1943
M-10, laid down 1943
M-11, laid down 1944
M-12, laid down 1944

Enter ship name, Enter country Enter ship type laid down 1942

Displacement:
450 t light; 465 t standard; 497 t normal; 522 t full load

Dimensions: Length overall / water x beam x draught
179.15 ft / 172.57 ft x 26.25 ft x 8.53 ft (normal load)
54.61 m / 52.60 m x 8.00 m x 2.60 m

Armament:
1 - 4.13" / 105 mm guns in single mounts, 35.32lbs / 16.02kg shells, 1942 Model
Dual purpose gun in deck mount
on centreline forward
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side, all amidships
2 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side, all aft
Weight of broadside 39 lbs / 18 kg
Shells per gun, main battery: 250

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm - -
2nd: 0.59" / 15 mm - -
3rd: 0.59" / 15 mm - -

Machinery:
Diesel Internal combustion motors,
Direct drive, 2 shafts, 3,392 shp / 2,530 Kw = 19.90 kts
Range 4,000nm at 10.00 kts (Bunkerage = 56 tons)

Complement:
52 - 68

Cost:
£0.205 million / $0.820 million

Distribution of weights at normal displacement:
Armament: 5 tons, 1.0 %
Armour: 3 tons, 0.5 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 3 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 89 tons, 17.8 %
Hull, fittings & equipment: 254 tons, 51.0 %
Fuel, ammunition & stores: 47 tons, 9.5 %
Miscellaneous weights: 100 tons, 20.1 %
-10 t: Radar (provision only - not currently fitted)
-10 t: Sonar
-10 t: DCT + Rails + 30 depth charges
-50 t: Sweeping equipment
-20 t: Weight reserve

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
782 lbs / 355 Kg = 22.2 x 4.1 " / 105 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.05
Metacentric height 0.7 ft / 0.2 m
Roll period: 12.8 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.08
Seaboat quality (Average = 1.00): 1.30

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.450
Length to Beam Ratio: 6.58 : 1
'Natural speed' for length: 13.14 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 38
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18.70 ft / 5.70 m
- Forecastle (20 %): 15.75 ft / 4.80 m
- Mid (40 %): 15.75 ft / 4.80 m (7.87 ft / 2.40 m aft of break)
- Quarterdeck (15 %): 7.87 ft / 2.40 m
- Stern: 7.87 ft / 2.40 m
- Average freeboard: 11.26 ft / 3.43 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 88.4 %
- Above water (accommodation/working, high = better): 109.0 %
Waterplane Area: 2,889 Square feet or 268 Square metres
Displacement factor (Displacement / loading): 156 %
Structure weight / hull surface area: 46 lbs/sq ft or 223 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.11
- Longitudinal: 7.72
- Overall: 1.35
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Good seaboat, rides out heavy weather easily