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Quoted
Ersatz Sofia Carrier, Bulgarian CVL laid down 1937
Displacement:
7,666 t light; 7,873 t standard; 8,514 t normal; 9,027 t full load
Dimensions: Length overall / water x beam x draught
573.13 ft / 565.43 ft x 59.06 ft (Bulges 63.00 ft) x 16.73 ft (normal load)
174.69 m / 172.34 m x 18.00 m (Bulges 19.20 m) x 5.10 m
Armament:
12 - 3.46" / 88.0 mm guns (6x2 guns), 20.79lbs / 9.43kg shells, 1937 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on centreline, all aft, 1 raised mount - superfiring
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1937 Model
Dual purpose guns in deck mounts
on side, evenly spread
Weight of broadside 264 lbs / 120 kg
Shells per gun, main battery: 240
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.94" / 100 mm 356.96 ft / 108.80 m 9.22 ft / 2.81 m
Ends: Unarmoured
Main Belt covers 97 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.57" / 40 mm 0.79" / 20 mm -
2nd: 1.57" / 40 mm 0.79" / 20 mm -
3rd: 0.79" / 20 mm 0.39" / 10 mm -
- Armour deck: 1.57" / 40 mm, Conning tower: 3.94" / 100 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 68,234 shp / 50,903 Kw = 32.00 kts
Range 6,000nm at 15.00 kts
Bunker at max displacement = 1,154 tons
Complement:
443 - 576
Cost:
£3.059 million / $12.235 million
Distribution of weights at normal displacement:
Armament: 33 tons, 0.4 %
Armour: 1,286 tons, 15.1 %
- Belts: 544 tons, 6.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 35 tons, 0.4 %
- Armour Deck: 672 tons, 7.9 %
- Conning Tower: 35 tons, 0.4 %
Machinery: 1,891 tons, 22.2 %
Hull, fittings & equipment: 2,955 tons, 34.7 %
Fuel, ammunition & stores: 848 tons, 10.0 %
Miscellaneous weights: 1,500 tons, 17.6 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
11,486 lbs / 5,210 Kg = 552.4 x 3.5 " / 88 mm shells or 1.7 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 3.2 ft / 1.0 m
Roll period: 14.8 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0.500
Length to Beam Ratio: 8.98 : 1
'Natural speed' for length: 27.37 kts
Power going to wave formation at top speed: 58 %
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: 28.75 ft / 8.76 m
- Forecastle (21 %): 21.33 ft / 6.50 m (17.22 ft / 5.25 m aft of break)
- Mid (60 %): 17.22 ft / 5.25 m
- Quarterdeck (15 %): 17.22 ft / 5.25 m
- Stern: 17.22 ft / 5.25 m
- Average freeboard: 18.71 ft / 5.70 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 94.9 %
- Above water (accommodation/working, high = better): 171.3 %
Waterplane Area: 23,138 Square feet or 2,150 Square metres
Displacement factor (Displacement / loading): 125 %
Structure weight / hull surface area: 85 lbs/sq ft or 413 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.14
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
38 aircraft can be carried.
Quoted
Iskar (Ersatz Sofia), Bulgarian Aviation Cruiser laid down 1937
Displacement:
7,114 t light; 7,365 t standard; 7,981 t normal; 8,475 t full load
Dimensions: Length overall / water x beam x draught
573.13 ft / 565.43 ft x 59.06 ft x 16.73 ft (normal load)
174.69 m / 172.34 m x 18.00 m x 5.10 m
Armament:
6 - 5.91" / 150 mm guns (2x3 guns), 102.98lbs / 46.71kg shells, 1937 Model
Breech loading guns in turrets (on barbettes)
on centreline, all forward, 1 raised mount - superfiring
2 - 3.46" / 88.0 mm guns (1x2 guns), 20.79lbs / 9.43kg shells, 1937 Model
Dual purpose guns in deck mount
on centreline aft, all raised guns - superfiring
8 - 3.46" / 88.0 mm guns (4x2 guns), 20.79lbs / 9.43kg shells, 1937 Model
Dual purpose guns in deck mounts
on side, evenly spread
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 840 lbs / 381 kg
Shells per gun, main battery: 180
16 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.94" / 100 mm 356.96 ft / 108.80 m 9.22 ft / 2.81 m
Ends: Unarmoured
Main Belt covers 97 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.72" / 120 mm 2.76" / 70 mm 3.94" / 100 mm
2nd: 1.57" / 40 mm 0.79" / 20 mm -
3rd: 1.57" / 40 mm 0.79" / 20 mm -
4th: 0.79" / 20 mm 0.39" / 10 mm -
5th: 0.39" / 10 mm - -
- Armour deck: 1.57" / 40 mm, Conning tower: 3.94" / 100 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 65,300 shp / 48,714 Kw = 32.00 kts
Range 6,000nm at 15.00 kts
Bunker at max displacement = 1,110 tons
Complement:
421 - 548
Cost:
£3.221 million / $12.885 million
Distribution of weights at normal displacement:
Armament: 105 tons, 1.3 %
Armour: 1,449 tons, 18.2 %
- Belts: 544 tons, 6.8 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 199 tons, 2.5 %
- Armour Deck: 672 tons, 8.4 %
- Conning Tower: 34 tons, 0.4 %
Machinery: 1,810 tons, 22.7 %
Hull, fittings & equipment: 3,175 tons, 39.8 %
Fuel, ammunition & stores: 867 tons, 10.9 %
Miscellaneous weights: 575 tons, 7.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
11,497 lbs / 5,215 Kg = 111.6 x 5.9 " / 150 mm shells or 1.6 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 3.2 ft / 1.0 m
Roll period: 13.9 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0.19
Seaboat quality (Average = 1.00): 1.03
Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0.500
Length to Beam Ratio: 9.57 : 1
'Natural speed' for length: 27.23 kts
Power going to wave formation at top speed: 57 %
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: 28.75 ft / 8.76 m
- Forecastle (21 %): 21.33 ft / 6.50 m (17.22 ft / 5.25 m aft of break)
- Mid (60 %): 17.22 ft / 5.25 m
- Quarterdeck (15 %): 17.22 ft / 5.25 m
- Stern: 17.22 ft / 5.25 m
- Average freeboard: 18.71 ft / 5.70 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 92.3 %
- Above water (accommodation/working, high = better): 120.8 %
Waterplane Area: 23,138 Square feet or 2,150 Square metres
Displacement factor (Displacement / loading): 123 %
Structure weight / hull surface area: 92 lbs/sq ft or 451 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.25
- Overall: 1.01
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
This post has been edited 1 times, last edit by "Brockpaine" (Mar 6th 2008, 9:34pm)
Quoted
Pomorie, Bulgarian Minelayer laid down 1936
Displacement:
1,317 t light; 1,358 t standard; 1,542 t normal; 1,689 t full load
Dimensions: Length overall / water x beam x draught
325.00 ft / 325.00 ft x 38.00 ft x 11.50 ft (normal load)
99.06 m / 99.06 m x 11.58 m x 3.51 m
Armament:
3 - 4.13" / 105 mm guns in single mounts, 35.32lbs / 16.02kg shells, 1936 Model
Breech loading guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, all amidships
10 - 0.79" / 20.0 mm guns (5x2 guns), 0.24lbs / 0.11kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 111 lbs / 51 kg
Shells per gun, main battery: 150
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.57" / 40 mm 211.25 ft / 64.39 m 7.40 ft / 2.26 m
Ends: Unarmoured
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.57" / 40 mm 0.79" / 20 mm 0.98" / 25 mm
- Armour deck: 0.79" / 20 mm, Conning tower: 1.57" / 40 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 13,762 shp / 10,267 Kw = 27.00 kts
Range 5,000nm at 15.00 kts
Bunker at max displacement = 331 tons
Complement:
122 - 159
Cost:
£0.590 million / $2.360 million
Distribution of weights at normal displacement:
Armament: 14 tons, 0.9 %
Armour: 231 tons, 15.0 %
- Belts: 103 tons, 6.7 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 10 tons, 0.7 %
- Armour Deck: 114 tons, 7.4 %
- Conning Tower: 5 tons, 0.3 %
Machinery: 386 tons, 25.0 %
Hull, fittings & equipment: 421 tons, 27.3 %
Fuel, ammunition & stores: 225 tons, 14.6 %
Miscellaneous weights: 265 tons, 17.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,230 lbs / 558 Kg = 34.8 x 4.1 " / 105 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 1.4 ft / 0.4 m
Roll period: 13.3 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.16
Seaboat quality (Average = 1.00): 1.26
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.380
Length to Beam Ratio: 8.55 : 1
'Natural speed' for length: 21.21 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 56
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: 21.00 ft / 6.40 m
- Forecastle (20 %): 13.00 ft / 3.96 m
- Mid (50 %): 13.00 ft / 3.96 m
- Quarterdeck (15 %): 13.00 ft / 3.96 m
- Stern: 13.00 ft / 3.96 m
- Average freeboard: 13.64 ft / 4.16 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 107.2 %
- Above water (accommodation/working, high = better): 158.6 %
Waterplane Area: 7,813 Square feet or 726 Square metres
Displacement factor (Displacement / loading): 112 %
Structure weight / hull surface area: 33 lbs/sq ft or 162 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.55
- Longitudinal: 1.45
- Overall: 0.60
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
15 tons for growth, 250 tons for mines, mine rails, and other equipment.
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