Minesweepers (MSW)
* Sevmek (M1) Class Minesweeper (http://www.navalism.org/index.php?topic=4156.msg46242#msg46242)
* Seker (M3) Class Minesweeper (http://www.navalism.org/index.php?topic=4156.msg46243#msg46243)
Minelayers (ML)
* Obua (M2) Class Minelayer (http://www.navalism.org/index.php?topic=4156.msg46245#msg46245)
* Hazirlik (ML1B) Class Minelayer (http://www.navalism.org/index.php?topic=4156.msg46246#msg46246)
Experimental Vessels (XV)
* Quseir class Round Battleship (http://www.navalism.org/index.php?topic=4156.msg46252#msg46252)
4 In Service (MSW-011 to MSW-014)
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Sevmek (M1) Class Minesweeper, laid down 1908 (Engine 1905) - Design by Korpen
Displacement:
390 t light; 408 t standard; 520 t normal; 609 t full load
Dimensions: Length overall / water x beam x draught
184,40 ft / 180,45 ft x 22,97 ft x 6,56 ft (normal load)
56,21 m / 55,00 m x 7,00 m x 2,00 m
Armament:
1 - 5,51" / 140 mm guns in single mounts, 81,57lbs / 37,00kg shells, 1908 Model
Breech loading gun in deck mount
on centreline forward
1 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1908 Model
Quick firing gun in deck mount
on side aft, 1 raised gun
2 - 0,31" / 8,0 mm guns in single mounts, 0,02lbs / 0,01kg shells, 1908 Model
Breech loading guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 94 lbs / 43 kg
Shells per gun, main battery: 151
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,59" / 15 mm - -
2nd: 0,39" / 10 mm - -
3rd: 0,39" / 10 mm - -
- Conning tower: 1,57" / 40 mm
Machinery:
Coal fired boilers, steam turbines,
Direct drive, 2 shafts, 1 850 shp / 1 380 Kw = 16,82 kts
Range 2 500nm at 12,00 kts
Bunker at max displacement = 201 tons (100% coal)
Complement:
53 - 70
Cost:
£0,045 million / $0,181 million
Distribution of weights at normal displacement:
Armament: 12 tons, 2,3 %
Armour: 5 tons, 0,9 %
- Belts: 0 tons, 0,0 %
- Torpedo bulkhead: 0 tons, 0,0 %
- Armament: 3 tons, 0,5 %
- Armour Deck: 0 tons, 0,0 %
- Conning Tower: 2 tons, 0,4 %
Machinery: 154 tons, 29,6 %
Hull, fittings & equipment: 169 tons, 32,4 %
Fuel, ammunition & stores: 130 tons, 25,1 %
Miscellaneous weights: 50 tons, 9,6 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
480 lbs / 218 Kg = 5,7 x 5,5 " / 140 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,33
Metacentric height 0,9 ft / 0,3 m
Roll period: 10,1 seconds
Steadiness - As gun platform (Average = 50 %): 74 %
- Recoil effect (Restricted arc if above 1.00): 0,24
Seaboat quality (Average = 1.00): 1,47
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,669
Length to Beam Ratio: 7,86 : 1
'Natural speed' for length: 13,43 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 50
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: 14,76 ft / 4,50 m
- Forecastle (20 %): 13,12 ft / 4,00 m
- Mid (38 %): 13,12 ft / 4,00 m (6,56 ft / 2,00 m aft of break)
- Quarterdeck (15 %): 6,56 ft / 2,00 m
- Stern: 6,56 ft / 2,00 m
- Average freeboard: 9,19 ft / 2,80 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 124,5 %
- Above water (accommodation/working, high = better): 97,3 %
Waterplane Area: 3 231 Square feet or 300 Square metres
Displacement factor (Displacement / loading): 113 %
Structure weight / hull surface area: 31 lbs/sq ft or 154 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,90
- Longitudinal: 2,61
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
10 In Service (MSW-031 to MSW-040)
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Seker (M3) Class Minesweeper, laid down 1912 - Design by Korpen
Displacement:
200 t light; 212 t standard; 270 t normal; 317 t full load
Dimensions: Length overall / water x beam x draught
151,59 ft / 147,64 ft x 18,04 ft x 6,56 ft (normal load)
46,21 m / 45,00 m x 5,50 m x 2,00 m
Armament:
2 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1912 Model
Breech loading guns in deck mounts
on centreline, all forward, 1 raised mount
1 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1912 Model
Quick firing gun in deck mount
on side aft, 1 raised gun
2 - 0,31" / 8,0 mm guns in single mounts, 0,02lbs / 0,01kg shells, 1912 Model
Breech loading guns in deck mounts
on side, evenly spread, all raised mounts
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: 0,59" / 15 mm - -
2nd: 0,39" / 10 mm - -
3rd: 0,39" / 10 mm - -
- Conning tower: 1,57" / 40 mm
Machinery:
Coal and oil fired boilers, steam turbines,
Direct drive, 2 shafts, 1 100 shp / 820 Kw = 16,29 kts
Range 3 000nm at 12,00 kts
Bunker at max displacement = 106 tons (90% coal)
Complement:
33 - 43
Cost:
£0,018 million / $0,071 million
Distribution of weights at normal displacement:
Armament: 5 tons, 1,8 %
Armour: 4 tons, 1,4 %
- Belts: 0 tons, 0,0 %
- Torpedo bulkhead: 0 tons, 0,0 %
- Armament: 2 tons, 0,9 %
- Armour Deck: 0 tons, 0,0 %
- Conning Tower: 1 tons, 0,5 %
Machinery: 48 tons, 17,7 %
Hull, fittings & equipment: 101 tons, 37,3 %
Fuel, ammunition & stores: 70 tons, 25,9 %
Miscellaneous weights: 43 tons, 15,9 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
399 lbs / 181 Kg = 31,0 x 3,0 " / 75 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,07
Metacentric height 0,4 ft / 0,1 m
Roll period: 11,5 seconds
Steadiness - As gun platform (Average = 50 %): 89 %
- Recoil effect (Restricted arc if above 1.00): 0,39
Seaboat quality (Average = 1.00): 1,97
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,541
Length to Beam Ratio: 8,18 : 1
'Natural speed' for length: 12,15 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 45
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: 14,76 ft / 4,50 m
- Forecastle (20 %): 13,12 ft / 4,00 m
- Mid (35 %): 13,12 ft / 4,00 m (6,56 ft / 2,00 m aft of break)
- Quarterdeck (15 %): 6,56 ft / 2,00 m
- Stern: 6,56 ft / 2,00 m
- Average freeboard: 8,99 ft / 2,74 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 90,0 %
- Above water (accommodation/working, high = better): 85,9 %
Waterplane Area: 1 844 Square feet or 171 Square metres
Displacement factor (Displacement / loading): 149 %
Structure weight / hull surface area: 25 lbs/sq ft or 124 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,82
- Longitudinal: 5,68
- Overall: 1,00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
A small mine warfare ship, with any eye towards offensive operations. Capable to carry 50 mines, as well as a small radio set. Can also use her cranes and rails for paravanes, so if needed she can undertake sweeping missions.
9 In Service (ML-021 to ML-029)
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Obua (M2) Class Minelayer, laid down 1910 (Engine 1909) - Design by Korpen
Displacement:
300 t light; 314 t standard; 420 t normal; 505 t full load
Dimensions: Length overall / water x beam x draught
184,40 ft / 180,45 ft x 22,97 ft x 6,56 ft (normal load)
56,21 m / 55,00 m x 7,00 m x 2,00 m
Armament:
2 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1910 Model
Breech loading guns in deck mounts
on centreline, all forward, 1 raised mount
1 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1910 Model
Quick firing gun in deck mount
on side aft, 1 raised gun
2 - 0,31" / 8,0 mm guns in single mounts, 0,02lbs / 0,01kg shells, 1910 Model
Breech loading guns in deck mounts
on side, evenly spread, all raised mounts
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: 0,59" / 15 mm - -
2nd: 0,39" / 10 mm - -
3rd: 0,39" / 10 mm - -
- Conning tower: 1,57" / 40 mm
Machinery:
Coal and oil fired boilers, steam turbines,
Direct drive, 2 shafts, 1 594 shp / 1 189 Kw = 17,00 kts
Range 3 700nm at 12,00 kts
Bunker at max displacement = 190 tons (90% coal)
Complement:
46 - 60
Cost:
£0,026 million / $0,102 million
Distribution of weights at normal displacement:
Armament: 5 tons, 1,2 %
Armour: 4 tons, 1,0 %
- Belts: 0 tons, 0,0 %
- Torpedo bulkhead: 0 tons, 0,0 %
- Armament: 2 tons, 0,6 %
- Armour Deck: 0 tons, 0,0 %
- Conning Tower: 2 tons, 0,5 %
Machinery: 79 tons, 18,8 %
Hull, fittings & equipment: 147 tons, 35,0 %
Fuel, ammunition & stores: 120 tons, 28,6 %
Miscellaneous weights: 65 tons, 15,5 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
672 lbs / 305 Kg = 52,2 x 3,0 " / 75 mm shells or 0,5 torpedoes
Stability (Unstable if below 1.00): 1,20
Metacentric height 0,8 ft / 0,2 m
Roll period: 11,0 seconds
Steadiness - As gun platform (Average = 50 %): 79 %
- Recoil effect (Restricted arc if above 1.00): 0,13
Seaboat quality (Average = 1.00): 1,58
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,541
Length to Beam Ratio: 7,86 : 1
'Natural speed' for length: 13,43 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 50
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: 14,76 ft / 4,50 m
- Forecastle (20 %): 13,12 ft / 4,00 m
- Mid (35 %): 13,12 ft / 4,00 m (6,56 ft / 2,00 m aft of break)
- Quarterdeck (15 %): 6,56 ft / 2,00 m
- Stern: 6,56 ft / 2,00 m
- Average freeboard: 8,99 ft / 2,74 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 87,9 %
- Above water (accommodation/working, high = better): 95,9 %
Waterplane Area: 2 867 Square feet or 266 Square metres
Displacement factor (Displacement / loading): 158 %
Structure weight / hull surface area: 30 lbs/sq ft or 147 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,90
- Longitudinal: 2,64
- Overall: 1,00
Hull space for machinery, storage, compartmentation is adequate
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
6 In Service (ML-041 to ML-046)
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Hazirlik (ML1B) Class Minelayer, laid down 1916 - Design by sgdn
Displacement:
364 t light; 378 t standard; 424 t normal; 460 t full load
Dimensions: Length overall / water x beam x draught
196.85 ft / 196.85 ft x 22.97 ft x 6.56 ft (normal load)
60.00 m / 60.00 m x 7.00 m x 2.00 m
Armament:
2 - 2.95" / 75.0 mm guns in single mounts, 12.87lbs / 5.84kg shells, 1916 Model
Quick firing guns in deck mounts
on centreline, all forward, 1 raised mount
1 - 2.95" / 75.0 mm guns in single mounts, 12.87lbs / 5.84kg shells, 1916 Model
Quick firing gun in deck mount
on side aft, 1 raised gun
2 - 0.31" / 8.0 mm guns in single mounts, 0.02lbs / 0.01kg shells, 1916 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
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: 0.47" / 12 mm - -
2nd: 0.47" / 12 mm - -
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 1,504 shp / 1,122 Kw = 17.00 kts
Range 4,600nm at 10.00 kts
Bunker at max displacement = 82 tons
Complement:
46 - 60
Cost:
£0.040 million / $0.161 million
Distribution of weights at normal displacement:
Armament: 5 tons, 1.1 %
Armour: 2 tons, 0.5 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 2 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 56 tons, 13.2 %
Hull, fittings & equipment: 173 tons, 40.7 %
Fuel, ammunition & stores: 60 tons, 14.2 %
Miscellaneous weights: 128 tons, 30.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
753 lbs / 342 Kg = 58.5 x 3.0 " / 75 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 0.7 ft / 0.2 m
Roll period: 11.6 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.13
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has raised forecastle, rise forward of midbreak
Block coefficient: 0.500
Length to Beam Ratio: 8.57 : 1
'Natural speed' for length: 14.03 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 25
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 14.76 ft / 4.50 m
- Forecastle (20 %): 14.76 ft / 4.50 m (13.12 ft / 4.00 m aft of break)
- Mid (50 %): 13.12 ft / 4.00 m (6.56 ft / 2.00 m aft of break)
- Quarterdeck (5 %): 6.56 ft / 2.00 m
- Stern: 6.56 ft / 2.00 m
- Average freeboard: 10.17 ft / 3.10 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 85.7 %
- Above water (accommodation/working, high = better): 114.6 %
Waterplane Area: 3,012 Square feet or 280 Square metres
Displacement factor (Displacement / loading): 151 %
Structure weight / hull surface area: 30 lbs/sq ft or 148 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.87
- Longitudinal: 3.55
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
Miscellaneous weights: 128 tons
128 t 128 mines or posably 120t [approx] of other stuff like mine sweeping gear or rocks
An ex-Caliphate round battleship.
Quseir (Used as a floating battery near the entrance to the Great Lakes of Australia)
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Quseir class Round Battleship, laid down 1892 (Engine 1901) - Design by Ithekro
Displacement:
12,207 t light; 12,672 t standard; 13,500 t normal; 14,108 t full load
Dimensions: Length overall / water x beam x draught
195.00 ft / 195.00 ft x 195.00 ft x 19.00 ft (normal load)
59.44 m / 59.44 m x 59.44 m x 5.79 m
Armament:
6 - 9.84" / 250 mm guns (3x2 guns), 476.75lbs / 216.25kg shells, 1892 Model
Breech loading guns in Coles/Ericsson turrets
on centreline, evenly spread, 1 raised mount
Aft Main mounts separated by engine room
4 - 9.84" / 250 mm guns (2x2 guns), 476.75lbs / 216.25kg shells, 1892 Model
Breech loading guns in Coles/Ericsson turrets
on side, evenly spread
8 - 5.51" / 140 mm guns in single mounts, 83.72lbs / 37.97kg shells, 1892 Model
Quick firing guns in casemate mounts
on side, evenly spread
6 - 2.95" / 75.0 mm guns in single mounts, 12.87lbs / 5.84kg shells, 1892 Model
Quick firing guns in deck mounts
on side, evenly spread
12 - 0.30" / 7.6 mm guns in single mounts, 0.01lbs / 0.00kg shells, 1892 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 5,515 lbs / 2,501 kg
Shells per gun, main battery: 60
12 - 16.0" / 406.4 mm submerged torpedo tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.0" / 305 mm 77.00 ft / 23.47 m 18.00 ft / 5.49 m
Ends: 11.0" / 279 mm 118.00 ft / 35.97 m 17.00 ft / 5.18 m
Upper: 11.0" / 279 mm 0.00 ft / 0.00 m 6.00 ft / 1.83 m
Main Belt covers 61 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 11.0" / 279 mm 10.0" / 254 mm -
2nd: 11.0" / 279 mm 10.0" / 254 mm -
- Armour deck: 2.00" / 51 mm, Conning tower: 13.00" / 330 mm
Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 2,500 ihp / 1,865 Kw = 10.08 kts
Range 6,500nm at 8.00 kts (Bunkerage = 1,490 tons)
Complement:
626 - 814
Cost:
£1.060 million / $4.240 million
Distribution of weights at normal displacement:
Armament: 689 tons, 5.1 %
Armour: 5,619 tons, 41.6 %
- Belts: 2,631 tons, 19.5 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 1,761 tons, 13.0 %
- Armour Deck: 1,067 tons, 7.9 %
- Conning Tower: 159 tons, 1.2 %
Machinery: 385 tons, 2.8 %
Hull, fittings & equipment: 5,484 tons, 40.6 %
Fuel, ammunition & stores: 1,293 tons, 9.6 %
Miscellaneous weights: 30 tons, 0.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
24,723 lbs / 11,214 Kg = 51.9 x 9.8 " / 250 mm shells or 6.9 torpedoes
Stability (Unstable if below 1.00): 1.47
Metacentric height 26.5 ft / 8.1 m
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.02
Seaboat quality (Average = 1.00): 0.88
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.654
Length to Beam Ratio: 1.00 : 1
'Natural speed' for length: 13.96 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 80
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 10.00 ft / 3.05 m
- Forecastle (20 %): 10.00 ft / 3.05 m
- Mid (50 %): 10.00 ft / 3.05 m
- Quarterdeck (15 %): 10.00 ft / 3.05 m
- Stern: 10.00 ft / 3.05 m
- Average freeboard: 10.00 ft / 3.05 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 53.1 %
- Above water (accommodation/working, high = better): 87.8 %
Waterplane Area: 28,845 Square feet or 2,680 Square metres
Displacement factor (Displacement / loading): 113 %
Structure weight / hull surface area: 192 lbs/sq ft or 938 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.83
- Longitudinal: 5.07
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather