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Quoted
HMAS Aclarity, Australian Destroyer laid down 1928
Displacement:
1,600 t light; 1,674 t standard; 1,947 t normal; 2,166 t full load
Dimensions: Length overall / water x beam x draught
371.92 ft / 370.00 ft x 35.00 ft x 12.90 ft (normal load)
113.36 m / 112.78 m x 10.67 m x 3.93 m
Armament:
4 - 4.72" / 120 mm guns in single mounts, 52.58lbs / 23.85kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 2.24" / 57.0 mm guns (2x2 guns), 5.65lbs / 2.56kg shells, 1945 Model
Breech loading guns in deck mounts
on side, evenly spread
10 - 0.79" / 20.0 mm guns (5x2 guns), 0.24lbs / 0.11kg shells, 1928 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 235 lbs / 107 kg
Shells per gun, main battery: 250
8 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm - -
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 34,295 shp / 25,584 Kw = 33.00 kts
Range 5,900nm at 15.00 kts
Bunker at max displacement = 493 tons
Complement:
146 - 190
Cost:
£0.816 million / $3.266 million
Distribution of weights at normal displacement:
Armament: 35 tons, 1.8 %
Armour: 11 tons, 0.5 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 11 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 919 tons, 47.2 %
Hull, fittings & equipment: 571 tons, 29.3 %
Fuel, ammunition & stores: 347 tons, 17.8 %
Miscellaneous weights: 65 tons, 3.3 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
588 lbs / 267 Kg = 11.2 x 4.7 " / 120 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.28
Metacentric height 1.6 ft / 0.5 m
Roll period: 11.5 seconds
Steadiness - As gun platform (Average = 50 %): 68 %
- Recoil effect (Restricted arc if above 1.00): 0.38
Seaboat quality (Average = 1.00): 1.21
Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0.408
Length to Beam Ratio: 10.57 : 1
'Natural speed' for length: 22.12 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 56
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.90 ft / 6.68 m
- Forecastle (30 %): 19.00 ft / 5.79 m (14.00 ft / 4.27 m aft of break)
- Mid (50 %): 14.00 ft / 4.27 m
- Quarterdeck (15 %): 14.00 ft / 4.27 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 15.85 ft / 4.83 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 170.3 %
- Above water (accommodation/working, high = better): 87.2 %
Waterplane Area: 8,313 Square feet or 772 Square metres
Displacement factor (Displacement / loading): 78 %
Structure weight / hull surface area: 34 lbs/sq ft or 166 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.97
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Good seaboat, rides out heavy weather easily
1945 Modernization -
Upgrade main armament to 4.72" Automatics (Q turret removed)
Upgrade 40mm to 57mm
Addition of Radar, Sonar, DC throwers, etc.
Quoted
HMAS Aclarity, Australian Destroyer laid down 1928 (Engine 1945)
Displacement:
1,600 t light; 1,703 t standard; 1,983 t normal; 2,207 t full load
Dimensions: Length overall / water x beam x draught
371.92 ft / 370.00 ft x 35.00 ft x 12.90 ft (normal load)
113.36 m / 112.78 m x 10.67 m x 3.93 m
Armament:
8 - 4.72" / 120 mm guns (4x2 guns), 52.58lbs / 23.85kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 2.24" / 57.0 mm guns (2x2 guns), 5.65lbs / 2.56kg shells, 1945 Model
Breech loading guns in deck mounts
on side, evenly spread
10 - 0.79" / 20.0 mm guns (5x2 guns), 0.24lbs / 0.11kg shells, 1928 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 446 lbs / 202 kg
Shells per gun, main battery: 250
8 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm - -
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 34,872 shp / 26,014 Kw = 33.00 kts
Range 7,000nm at 15.00 kts
Bunker at max displacement = 504 tons
Complement:
148 - 193
Cost:
£0.845 million / $3.381 million
Distribution of weights at normal displacement:
Armament: 66 tons, 3.3 %
Armour: 18 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 18 tons, 0.9 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 784 tons, 39.5 %
Hull, fittings & equipment: 637 tons, 32.1 %
Fuel, ammunition & stores: 383 tons, 19.3 %
Miscellaneous weights: 95 tons, 4.8 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
668 lbs / 303 Kg = 12.7 x 4.7 " / 120 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.23
Metacentric height 1.5 ft / 0.5 m
Roll period: 11.9 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.67
Seaboat quality (Average = 1.00): 1.12
Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0.416
Length to Beam Ratio: 10.57 : 1
'Natural speed' for length: 22.10 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 45
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.90 ft / 6.68 m
- Forecastle (30 %): 19.00 ft / 5.79 m (14.00 ft / 4.27 m aft of break)
- Mid (50 %): 14.00 ft / 4.27 m
- Quarterdeck (15 %): 14.00 ft / 4.27 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 15.85 ft / 4.83 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 159.6 %
- Above water (accommodation/working, high = better): 86.5 %
Waterplane Area: 8,355 Square feet or 776 Square metres
Displacement factor (Displacement / loading): 82 %
Structure weight / hull surface area: 38 lbs/sq ft or 184 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.02
- Overall: 0.58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
1945 Modernization -
Reengined with additional bunkerage
Upgrade main armament to 4.72" Twin Automatics (Q turret removed)
Upgrade 40mm to 57mm
Addition of Radar, Sonar, DC throwers, etc.
I would go for a mix of refits
Quoted
HMAS Dauntless, Australian Destroyer laid down 1933
Displacement:
1,547 t light; 1,626 t standard; 1,909 t normal; 2,136 t full load
Dimensions: Length overall / water x beam x draught
371.92 ft / 370.00 ft x 35.00 ft x 12.90 ft (normal load)
113.36 m / 112.78 m x 10.67 m x 3.93 m
Armament:
4 - 4.72" / 120 mm guns in single mounts, 52.58lbs / 23.85kg shells, 1933 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
1 - 4.72" / 120 mm guns in single mounts, 52.58lbs / 23.85kg shells, 1933 Model
Dual purpose gun in a deck mount with hoist
on centreline amidships
4 - 1.57" / 40.0 mm guns (2x2 guns), 1.95lbs / 0.89kg shells, 1933 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
10 - 0.79" / 20.0 mm guns (5x2 guns), 0.24lbs / 0.11kg shells, 1933 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 273 lbs / 124 kg
Shells per gun, main battery: 250
8 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.20" / 30 mm - -
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 33,683 shp / 25,128 Kw = 33.00 kts
Range 6,500nm at 15.00 kts
Bunker at max displacement = 510 tons
Complement:
143 - 187
Cost:
£0.973 million / $3.892 million
Distribution of weights at normal displacement:
Armament: 34 tons, 1.8 %
Armour: 13 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 13 tons, 0.7 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 879 tons, 46.0 %
Hull, fittings & equipment: 587 tons, 30.7 %
Fuel, ammunition & stores: 362 tons, 19.0 %
Miscellaneous weights: 35 tons, 1.8 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
637 lbs / 289 Kg = 12.1 x 4.7 " / 120 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.36
Metacentric height 1.8 ft / 0.5 m
Roll period: 11.0 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.40
Seaboat quality (Average = 1.00): 1.23
Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 10.57 : 1
'Natural speed' for length: 22.15 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 49
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.90 ft / 6.68 m
- Forecastle (30 %): 19.00 ft / 5.79 m (14.00 ft / 4.27 m aft of break)
- Mid (50 %): 14.00 ft / 4.27 m
- Quarterdeck (15 %): 14.00 ft / 4.27 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 15.85 ft / 4.83 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 165.4 %
- Above water (accommodation/working, high = better): 88.6 %
Waterplane Area: 8,273 Square feet or 769 Square metres
Displacement factor (Displacement / loading): 84 %
Structure weight / hull surface area: 35 lbs/sq ft or 171 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.06
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Good seaboat, rides out heavy weather easily
Quoted
HMAS Dauntless, Australian Destroyer laid down 1933
Displacement:
1,600 t light; 1,689 t standard; 1,978 t normal; 2,210 t full load
Dimensions: Length overall / water x beam x draught
371.92 ft / 370.00 ft x 35.00 ft x 12.90 ft (normal load)
113.36 m / 112.78 m x 10.67 m x 3.93 m
Armament:
6 - 4.72" / 120 mm guns (3x2 guns), 52.58lbs / 23.85kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 2.24" / 57.0 mm guns (2x2 guns), 5.65lbs / 2.56kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on side, evenly spread
10 - 0.79" / 20.0 mm guns (5x2 guns), 0.24lbs / 0.11kg shells, 1933 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 341 lbs / 154 kg
Shells per gun, main battery: 250
8 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm - -
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 34,795 shp / 25,957 Kw = 33.00 kts
Range 6,500nm at 15.00 kts
Bunker at max displacement = 521 tons
Complement:
147 - 192
Cost:
£1.050 million / $4.200 million
Distribution of weights at normal displacement:
Armament: 51 tons, 2.6 %
Armour: 14 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 14 tons, 0.7 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 880 tons, 44.5 %
Hull, fittings & equipment: 606 tons, 30.6 %
Fuel, ammunition & stores: 378 tons, 19.1 %
Miscellaneous weights: 50 tons, 2.5 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
621 lbs / 282 Kg = 11.8 x 4.7 " / 120 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.31
Metacentric height 1.7 ft / 0.5 m
Roll period: 11.4 seconds
Steadiness - As gun platform (Average = 50 %): 57 %
- Recoil effect (Restricted arc if above 1.00): 0.49
Seaboat quality (Average = 1.00): 1.16
Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0.415
Length to Beam Ratio: 10.57 : 1
'Natural speed' for length: 22.10 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 49
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.90 ft / 6.68 m
- Forecastle (30 %): 19.00 ft / 5.79 m (14.00 ft / 4.27 m aft of break)
- Mid (50 %): 14.00 ft / 4.27 m
- Quarterdeck (15 %): 14.00 ft / 4.27 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 15.85 ft / 4.83 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 167.0 %
- Above water (accommodation/working, high = better): 87.0 %
Waterplane Area: 8,349 Square feet or 776 Square metres
Displacement factor (Displacement / loading): 79 %
Structure weight / hull surface area: 36 lbs/sq ft or 175 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.00
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
1945 Modernization -
Reengined with additional bunkerage
Upgrade main armament to 4.72" Twin Automatics (2 mounts removed)
Upgrade 40mm to 57mm
Addition of Radar, Sonar, DC throwers, etc.
Quoted
Auckland, Australia Patrol Cruiser laid down 1931
Displacement:
5,752 t light; 5,999 t standard; 7,390 t normal; 8,502 t full load
Dimensions: Length overall / water x beam x draught
561.19 ft / 550.00 ft x 55.00 ft x 19.00 ft (normal load)
171.05 m / 167.64 m x 16.76 m x 5.79 m
Armament:
9 - 6.00" / 152 mm guns (3x3 guns), 108.00lbs / 48.99kg shells, 1931 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on side, evenly spread, all raised mounts
6 - 2.24" / 57.0 mm guns (3x2 guns), 5.65lbs / 2.56kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on side, evenly spread
20 - 0.79" / 20.0 mm guns (10x2 guns), 0.24lbs / 0.11kg shells, 1931 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 1,139 lbs / 517 kg
Shells per gun, main battery: 150
12 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.90" / 74 mm 350.00 ft / 106.68 m 9.00 ft / 2.74 m
Ends: Unarmoured
Main Belt covers 98 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.90" / 74 mm 1.20" / 30 mm 2.00" / 51 mm
2nd: 1.20" / 30 mm - -
- Armour deck: 1.20" / 30 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 60,885 shp / 45,420 Kw = 32.00 kts
Range 14,000nm at 15.00 kts
Bunker at max displacement = 2,502 tons
Complement:
398 - 518
Cost:
£2.527 million / $10.110 million
Distribution of weights at normal displacement:
Armament: 146 tons, 2.0 %
Armour: 975 tons, 13.2 %
- Belts: 380 tons, 5.1 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 150 tons, 2.0 %
- Armour Deck: 445 tons, 6.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,821 tons, 24.6 %
Hull, fittings & equipment: 2,785 tons, 37.7 %
Fuel, ammunition & stores: 1,637 tons, 22.2 %
Miscellaneous weights: 25 tons, 0.3 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
9,329 lbs / 4,232 Kg = 86.4 x 6.0 " / 152 mm shells or 1.4 torpedoes
Stability (Unstable if below 1.00): 1.22
Metacentric height 2.9 ft / 0.9 m
Roll period: 13.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.44
Seaboat quality (Average = 1.00): 1.22
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.450
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 26.93 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 57
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.00 ft / 7.32 m
- Forecastle (30 %): 20.00 ft / 6.10 m
- Mid (50 %): 19.00 ft / 5.79 m
- Quarterdeck (20 %): 17.00 ft / 5.18 m
- Stern: 17.00 ft / 5.18 m
- Average freeboard: 19.18 ft / 5.85 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96.0 %
- Above water (accommodation/working, high = better): 129.6 %
Waterplane Area: 20,044 Square feet or 1,862 Square metres
Displacement factor (Displacement / loading): 127 %
Structure weight / hull surface area: 85 lbs/sq ft or 414 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.85
- Longitudinal: 1.48
- Overall: 0.90
Caution: Hull subject to strain in open-sea
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
1945 Modernization -
Secondary armament upgraded to 4" automatics
Upgrade 40mm to 57mm
Addition of Radar, Sonar, DC throwers, etc.
Quoted
Auckland, Australia Patrol Cruiser laid down 1931 (Engine 1945)
Displacement:
5,800 t light; 6,099 t standard; 7,317 t normal; 8,292 t full load
Dimensions: Length overall / water x beam x draught
561.19 ft / 550.00 ft x 55.00 ft x 19.00 ft (normal load)
171.05 m / 167.64 m x 16.76 m x 5.79 m
Armament:
6 - 7.50" / 191 mm guns (3x2 guns), 210.94lbs / 95.68kg shells, 1945 Model
Automatic rapid fire guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 4.70" / 119 mm guns (4x2 guns), 51.91lbs / 23.55kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
6 - 2.24" / 57.0 mm guns (3x2 guns), 5.65lbs / 2.56kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on side, evenly spread
20 - 0.79" / 20.0 mm guns (10x2 guns), 0.24lbs / 0.11kg shells, 1931 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 1,720 lbs / 780 kg
Shells per gun, main battery: 150
12 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.90" / 74 mm 350.00 ft / 106.68 m 9.00 ft / 2.74 m
Ends: Unarmoured
Main Belt covers 98 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.90" / 74 mm 1.20" / 30 mm 2.00" / 51 mm
2nd: 1.20" / 30 mm - -
- Armour deck: 1.20" / 30 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 60,378 shp / 45,042 Kw = 32.00 kts
Range 14,000nm at 15.00 kts
Bunker at max displacement = 2,193 tons
Complement:
395 - 514
Cost:
£2.762 million / $11.049 million
Distribution of weights at normal displacement:
Armament: 258 tons, 3.5 %
Armour: 991 tons, 13.5 %
- Belts: 380 tons, 5.2 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 167 tons, 2.3 %
- Armour Deck: 443 tons, 6.1 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,525 tons, 20.8 %
Hull, fittings & equipment: 2,982 tons, 40.7 %
Fuel, ammunition & stores: 1,517 tons, 20.7 %
Miscellaneous weights: 45 tons, 0.6 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
8,941 lbs / 4,056 Kg = 42.4 x 7.5 " / 191 mm shells or 1.4 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 2.6 ft / 0.8 m
Roll period: 14.4 seconds
Steadiness - As gun platform (Average = 50 %): 68 %
- Recoil effect (Restricted arc if above 1.00): 0.69
Seaboat quality (Average = 1.00): 1.18
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.446
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 26.95 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 57
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.00 ft / 7.32 m
- Forecastle (30 %): 20.00 ft / 6.10 m
- Mid (50 %): 19.00 ft / 5.79 m
- Quarterdeck (20 %): 17.00 ft / 5.18 m
- Stern: 17.00 ft / 5.18 m
- Average freeboard: 19.18 ft / 5.85 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 95.5 %
- Above water (accommodation/working, high = better): 130.2 %
Waterplane Area: 19,970 Square feet or 1,855 Square metres
Displacement factor (Displacement / loading): 119 %
Structure weight / hull surface area: 91 lbs/sq ft or 445 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.84
- Longitudinal: 1.54
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
1945 Modernization -
Reengined with additional bunkerage
Upgrade main armament to 7.5" Twin Automatics
Secondary armament upgraded to 4.7" automatics
Upgrade 40mm to 57mm
Addition of Radar, Sonar, DC throwers, etc.
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