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Quoted
Avrora-class, Russian Light Cruiser laid down 1945
Displacement:
8,250 t light; 8,736 t standard; 10,194 t normal; 11,361 t full load
Dimensions: Length overall / water x beam x draught
609.36 ft / 590.55 ft x 55.77 ft x 19.69 ft (normal load)
185.73 m / 180.00 m x 17.00 m x 6.00 m
Armament:
8 - 5.98" / 152 mm guns (4x2 guns), 123.46lbs / 56.00kg shells, 1945 Model
Automatic rapid fire guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 3.94" / 100 mm guns (4x2 guns), 37.48lbs / 17.00kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on side, all amidships
32 - 1.46" / 37.0 mm guns (8x4 guns), 1.55lbs / 0.70kg shells, 1945 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
8 - 0.55" / 14.0 mm guns (4x2 guns), 0.08lbs / 0.04kg shells, 1945 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 1,338 lbs / 607 kg
Shells per gun, main battery: 350
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 383.86 ft / 117.00 m 8.96 ft / 2.73 m
Ends: Unarmoured
Main Belt covers 100 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.94" / 100 mm 1.97" / 50 mm 2.76" / 70 mm
2nd: 0.98" / 25 mm 0.20" / 5 mm 0.79" / 20 mm
3rd: 0.98" / 25 mm 0.20" / 5 mm -
4th: 0.59" / 15 mm 0.20" / 5 mm -
- Armour deck: 1.97" / 50 mm, Conning tower: 3.15" / 80 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 80,429 shp / 60,000 Kw = 32.46 kts
Range 9,000nm at 18.00 kts
Bunker at max displacement = 2,625 tons
Complement:
506 - 659
Cost:
£4.955 million / $19.819 million
Distribution of weights at normal displacement:
Armament: 171 tons, 1.7 %
Armour: 1,615 tons, 15.8 %
- Belts: 449 tons, 4.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 262 tons, 2.6 %
- Armour Deck: 872 tons, 8.6 %
- Conning Tower: 32 tons, 0.3 %
Machinery: 2,031 tons, 19.9 %
Hull, fittings & equipment: 4,057 tons, 39.8 %
Fuel, ammunition & stores: 1,944 tons, 19.1 %
Miscellaneous weights: 375 tons, 3.7 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
16,436 lbs / 7,455 Kg = 153.4 x 6.0 " / 152 mm shells or 1.9 torpedoes
Stability (Unstable if below 1.00): 1.15
Metacentric height 2.7 ft / 0.8 m
Roll period: 14.3 seconds
Steadiness - As gun platform (Average = 50 %): 61 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.35
Hull form characteristics:
Hull has low quarterdeck
and transom stern
Block coefficient: 0.550
Length to Beam Ratio: 10.59 : 1
'Natural speed' for length: 27.47 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 45
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26.90 ft / 8.20 m
- Forecastle (25 %): 24.61 ft / 7.50 m
- Mid (50 %): 22.31 ft / 6.80 m
- Quarterdeck (15 %): 14.76 ft / 4.50 m (22.31 ft / 6.80 m before break)
- Stern: 14.76 ft / 4.50 m
- Average freeboard: 22.27 ft / 6.79 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.0 %
- Above water (accommodation/working, high = better): 205.3 %
Waterplane Area: 23,938 Square feet or 2,224 Square metres
Displacement factor (Displacement / loading): 137 %
Structure weight / hull surface area: 97 lbs/sq ft or 475 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.91
- Overall: 1.01
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Good seaboat, rides out heavy weather easily
Breakdown of Miscellaneous Weights:
- 108 tons for 152mm gun-loading equipment
- 44 tons for 100mm automatic gun equipment
- 223 tons for other equipment
Ships in Class:
- Avrora: Laid down in Petrograd January 1945, completed June 1946.
- Pallada: Laid down in Petrograd January 1945, completed June 1946.
- Nadezhda: Laid down in Petrograd January 1946, completed June 1947.
- Evstafii: Laid down in Petrograd January 1946, completed June 1947.
Quoted
Elbrus-class, Russian Replenishment Ship laid down 1945
Displacement:
9,962 t light; 10,645 t standard; 31,783 t normal; 48,694 t full load
Dimensions: Length overall / water x beam x draught
656.17 ft / 656.17 ft x 82.02 ft x 34.45 ft (normal load)
200.00 m / 200.00 m x 25.00 m x 10.50 m
Armament:
8 - 2.95" / 75.0 mm guns (4x2 guns), 15.43lbs / 7.00kg shells, 1945 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, 2 raised mounts - superfiring
16 - 1.46" / 37.0 mm guns (4x4 guns), 1.55lbs / 0.70kg shells, 1945 Model
Anti-aircraft guns in deck mounts
on side, all amidships
16 - 0.55" / 14.0 mm guns (4x4 guns), 0.08lbs / 0.04kg shells, 1945 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 150 lbs / 68 kg
Shells per gun, main battery: 500
Machinery:
Oil fired boilers, steam turbines plus diesel motors,
Geared drive, 2 shafts, 28,833 shp / 21,509 Kw = 20.00 kts
Range 100,000nm at 15.00 kts
Bunker at max displacement = 38,049 tons
Complement:
1,189 - 1,547
Cost:
£3.207 million / $12.828 million
Distribution of weights at normal displacement:
Armament: 16 tons, 0.1 %
Machinery: 728 tons, 2.3 %
Hull, fittings & equipment: 6,518 tons, 20.5 %
Fuel, ammunition & stores: 21,821 tons, 68.7 %
Miscellaneous weights: 2,700 tons, 8.5 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
177,825 lbs / 80,660 Kg = 13,814.6 x 3.0 " / 75 mm shells or 17.8 torpedoes
Stability (Unstable if below 1.00): 1.70
Metacentric height 8.9 ft / 2.7 m
Roll period: 11.5 seconds
Steadiness - As gun platform (Average = 50 %): 82 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.72
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.600
Length to Beam Ratio: 8.00 : 1
'Natural speed' for length: 25.62 kts
Power going to wave formation at top speed: 36 %
Trim (Max stability = 0, Max steadiness = 100): 48
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: 28.18 ft / 8.59 m
- Forecastle (20 %): 17.95 ft / 5.47 m
- Mid (50 %): 17.95 ft / 5.47 m
- Quarterdeck (15 %): 17.95 ft / 5.47 m
- Stern: 17.95 ft / 5.47 m
- Average freeboard: 18.77 ft / 5.72 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 19.0 %
- Above water (accommodation/working, high = better): 113.2 %
Waterplane Area: 39,363 Square feet or 3,657 Square metres
Displacement factor (Displacement / loading): 742 %
Structure weight / hull surface area: 108 lbs/sq ft or 529 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.15
- 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
- Elbrus
- Krestovsky
- Livadiyskaya
- Narodnaya
It makes sense to scrap the old stuff, and I approve of Avrora. I can't help but feel the ship's under-armored, though. It's a pretty thin and short belt.
Quoted
I'm a fan of relatively inexpensive light cruisers like these.
Quoted
As long as the belt covers the vitals then its ok. No point wasting armour to protect the captain's pantry and the stoker's heads if you don't need too!
Quoted
I think Brock is referring to the Kola Class as having the icebreaking capabilities.
Quoted
I'm a fan of relatively inexpensive light cruisers like these.
Depends on what you call inexpensive. Having built a few smaller ones, I actually think that 8250 is expensive (with standard being 8736 it is actually heavier (thus more expensive) than the light cruisers that could be build during the Cleito Treaty period.
edit: having quickly simmed the Avrora, is there a reason why all the 37mm and 14mm are raised. Considering the "on side, evenly spread" option used, I would think that some of the guns would be fore or aft of the superstructure thus more likely to be on deck level and not in a raised position. Hull strength-wise I don't think it matters that much though as the guns aren't really big.Quoted
I'm a fan of relatively inexpensive light cruisers like these.
Quoted
I call it inexpensive because it's cheaper than what I usually design.
Quoted
Some of the guns probably could me located on the deck level, but my thought when I was simming was to put the secondaries on the deck level, and have the tertiary 37mm and 14mm guns raised, firing over them.
Quoted
Moskva-class, Russian River Freighter laid down 1945
Displacement:
2,029 t light; 2,097 t standard; 3,433 t normal; 4,501 t full load
Dimensions: Length overall / water x beam x draught
347.67 ft / 344.49 ft x 44.29 ft x 10.50 ft (normal load)
105.97 m / 105.00 m x 13.50 m x 3.20 m
Machinery:
Diesel Internal combustion motors,
Geared drive, 1 shaft, 1,475 shp / 1,100 Kw = 12.00 kts
Range 36,250nm at 12.00 kts
Bunker at max displacement = 2,403 tons
Complement:
223 - 291
Cost:
£0.527 million / $2.107 million
Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 37 tons, 1.1 %
Hull, fittings & equipment: 992 tons, 28.9 %
Fuel, ammunition & stores: 1,404 tons, 40.9 %
Miscellaneous weights: 1,000 tons, 29.1 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
10,667 lbs / 4,838 Kg = 98.8 x 6 " / 152 mm shells or 3.3 torpedoes
Stability (Unstable if below 1.00): 1.23
Metacentric height 2.2 ft / 0.7 m
Roll period: 12.6 seconds
Steadiness - As gun platform (Average = 50 %): 76 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.44
Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0.750
Length to Beam Ratio: 7.78 : 1
'Natural speed' for length: 18.56 kts
Power going to wave formation at top speed: 27 %
Trim (Max stability = 0, Max steadiness = 100): 53
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18.04 ft / 5.50 m
- Forecastle (15 %): 18.04 ft / 5.50 m (9.84 ft / 3.00 m aft of break)
- Mid (50 %): 9.84 ft / 3.00 m
- Quarterdeck (15 %): 9.84 ft / 3.00 m
- Stern: 9.84 ft / 3.00 m
- Average freeboard: 11.07 ft / 3.38 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 36.6 %
- Above water (accommodation/working, high = better): 107.4 %
Waterplane Area: 12,780 Square feet or 1,187 Square metres
Displacement factor (Displacement / loading): 319 %
Structure weight / hull surface area: 58 lbs/sq ft or 285 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.16
- Longitudinal: 0.96
- Overall: 1.01
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
Quoted
Anton Chekhov-class, Russian River Cargo/Passenger Motorship laid down 1945
Displacement:
724 t light; 744 t standard; 1,023 t normal; 1,246 t full load
Dimensions: Length overall / water x beam x draught
216.15 ft / 213.25 ft x 39.37 ft x 6.56 ft (normal load)
65.88 m / 65.00 m x 12.00 m x 2.00 m
Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 1,389 shp / 1,036 Kw = 14.00 kts
Range 14,250nm at 12.00 kts
Bunker at max displacement = 502 tons
Complement:
89 - 117
Cost:
£0.209 million / $0.836 million
Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 35 tons, 3.4 %
Hull, fittings & equipment: 339 tons, 33.1 %
Fuel, ammunition & stores: 299 tons, 29.3 %
Miscellaneous weights: 350 tons, 34.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
3,221 lbs / 1,461 Kg = 29.8 x 6 " / 152 mm shells or 1.6 torpedoes
Stability (Unstable if below 1.00): 1.27
Metacentric height 1.9 ft / 0.6 m
Roll period: 12.0 seconds
Steadiness - As gun platform (Average = 50 %): 88 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.76
Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0.650
Length to Beam Ratio: 5.42 : 1
'Natural speed' for length: 14.60 kts
Power going to wave formation at top speed: 46 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 16.40 ft / 5.00 m
- Forecastle (20 %): 16.40 ft / 5.00 m (9.84 ft / 3.00 m aft of break)
- Mid (50 %): 9.84 ft / 3.00 m
- Quarterdeck (15 %): 9.84 ft / 3.00 m
- Stern: 9.84 ft / 3.00 m
- Average freeboard: 11.15 ft / 3.40 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 49.5 %
- Above water (accommodation/working, high = better): 135.5 %
Waterplane Area: 6,432 Square feet or 598 Square metres
Displacement factor (Displacement / loading): 244 %
Structure weight / hull surface area: 40 lbs/sq ft or 195 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 1.94
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, rides out heavy weather easily
Quoted
Avrora-class, Russian Light Cruiser laid down 1945
Displacement:
8,250 t light; 8,736 t standard; 10,194 t normal; 11,361 t full load
Dimensions: Length overall / water x beam x draught
609.36 ft / 590.55 ft x 55.77 ft x 19.69 ft (normal load)
185.73 m / 180.00 m x 17.00 m x 6.00 m
Armament:
8 - 5.98" / 152 mm guns (4x2 guns), 123.46lbs / 56.00kg shells, 1945 Model
Automatic rapid fire guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 3.94" / 100 mm guns (4x2 guns), 37.48lbs / 17.00kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on side, all amidships
32 - 1.46" / 37.0 mm guns (8x4 guns), 1.55lbs / 0.70kg shells, 1945 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
8 - 0.55" / 14.0 mm guns (4x2 guns), 0.08lbs / 0.04kg shells, 1945 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 1,338 lbs / 607 kg
Shells per gun, main battery: 350
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 383.86 ft / 117.00 m 9.25 ft / 2.82 m
Ends: Unarmoured
Main Belt covers 100 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.94" / 100 mm 1.97" / 50 mm 3.15" / 80 mm
2nd: 0.98" / 25 mm 0.20" / 5 mm 0.79" / 20 mm
3rd: 0.98" / 25 mm 0.20" / 5 mm -
4th: 0.59" / 15 mm 0.20" / 5 mm -
- Armour deck: 1.97" / 50 mm, Conning tower: 3.15" / 80 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 80,429 shp / 60,000 Kw = 32.46 kts
Range 9,000nm at 18.00 kts
Bunker at max displacement = 2,625 tons
Complement:
506 - 659
Cost:
£4.955 million / $19.819 million
Distribution of weights at normal displacement:
Armament: 171 tons, 1.7 %
Armour: 1,653 tons, 16.2 %
- Belts: 464 tons, 4.6 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 285 tons, 2.8 %
- Armour Deck: 872 tons, 8.6 %
- Conning Tower: 32 tons, 0.3 %
Machinery: 2,031 tons, 19.9 %
Hull, fittings & equipment: 4,020 tons, 39.4 %
Fuel, ammunition & stores: 1,944 tons, 19.1 %
Miscellaneous weights: 375 tons, 3.7 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
16,349 lbs / 7,416 Kg = 152.6 x 6.0 " / 152 mm shells or 1.9 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 2.7 ft / 0.8 m
Roll period: 14.3 seconds
Steadiness - As gun platform (Average = 50 %): 61 %
- Recoil effect (Restricted arc if above 1.00): 0.55
Seaboat quality (Average = 1.00): 1.34
Hull form characteristics:
Hull has low quarterdeck
and transom stern
Block coefficient: 0.550
Length to Beam Ratio: 10.59 : 1
'Natural speed' for length: 27.47 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 45
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26.90 ft / 8.20 m
- Forecastle (25 %): 24.61 ft / 7.50 m
- Mid (50 %): 22.31 ft / 6.80 m
- Quarterdeck (15 %): 14.76 ft / 4.50 m (22.31 ft / 6.80 m before break)
- Stern: 14.76 ft / 4.50 m
- Average freeboard: 22.27 ft / 6.79 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.0 %
- Above water (accommodation/working, high = better): 205.3 %
Waterplane Area: 23,938 Square feet or 2,224 Square metres
Displacement factor (Displacement / loading): 137 %
Structure weight / hull surface area: 96 lbs/sq ft or 471 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 1.88
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Good seaboat, rides out heavy weather easily
Breakdown of Miscellaneous Weights:
- 108 tons for 152mm gun-loading equipment
- 44 tons for 100mm automatic gun equipment
- 223 tons for other equipment
Ships in Class:
- Avrora: Laid down in Petrograd January 1945, completed June 1946.
- Pallada: Laid down in Petrograd January 1945, completed June 1946.
- Nadezhda: Laid down in Petrograd January 1946, completed June 1947.
- Evstafii: Laid down in Petrograd January 1946, completed June 1947.
Quoted
Dagestan (Project 69M), Russian Destroyer laid down 1945
Displacement:
1,900 t light; 2,084 t standard; 2,359 t normal; 2,578 t full load
Dimensions: Length overall / water x beam x draught
409.67 ft / 393.70 ft x 36.42 ft x 12.80 ft (normal load)
124.87 m / 120.00 m x 11.10 m x 3.90 m
Armament:
4 - 5.12" / 130 mm guns (2x2 guns), 79.37lbs / 36.00kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, evenly spread
2 - 2.95" / 75.0 mm guns (1x2 guns), 15.43lbs / 7.00kg shells, 1945 Model
Automatic rapid fire guns in a deck mount with hoist
on centreline forward, all raised guns - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1945 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
4 - 0.55" / 14.0 mm guns in single mounts, 0.08lbs / 0.04kg shells, 1945 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 361 lbs / 164 kg
Shells per gun, main battery: 650
8 - 20.9" / 530 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.39" / 10 mm 0.39" / 10 mm
2nd: 0.98" / 25 mm 0.39" / 10 mm 0.39" / 10 mm
3rd: 0.59" / 15 mm 0.20" / 5 mm -
- Conning tower: 1.18" / 30 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 43,665 shp / 32,574 Kw = 34.00 kts
Range 4,000nm at 18.00 kts
Bunker at max displacement = 494 tons
Complement:
168 - 219
Cost:
£1.713 million / $6.853 million
Distribution of weights at normal displacement:
Armament: 46 tons, 1.9 %
Armour: 17 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 13 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 5 tons, 0.2 %
Machinery: 1,022 tons, 43.3 %
Hull, fittings & equipment: 680 tons, 28.8 %
Fuel, ammunition & stores: 459 tons, 19.5 %
Miscellaneous weights: 135 tons, 5.7 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
714 lbs / 324 Kg = 10.6 x 5.1 " / 130 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 1.5 ft / 0.4 m
Roll period: 12.7 seconds
Steadiness - As gun platform (Average = 50 %): 69 %
- Recoil effect (Restricted arc if above 1.00): 0.53
Seaboat quality (Average = 1.00): 1.02
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.450
Length to Beam Ratio: 10.81 : 1
'Natural speed' for length: 22.64 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 68
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.98 ft / 6.70 m
- Forecastle (15 %): 21.33 ft / 6.50 m
- Mid (30 %): 20.67 ft / 6.30 m (13.45 ft / 4.10 m aft of break)
- Quarterdeck (15 %): 13.45 ft / 4.10 m
- Stern: 13.45 ft / 4.10 m
- Average freeboard: 15.80 ft / 4.82 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 165.9 %
- Above water (accommodation/working, high = better): 100.7 %
Waterplane Area: 9,500 Square feet or 883 Square metres
Displacement factor (Displacement / loading): 87 %
Structure weight / hull surface area: 37 lbs/sq ft or 183 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.62
- Overall: 0.56
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Breakdown of Miscellaneous Weights:
- 45 tons for electronics
- 20 tons for eight 53cm M-1944 reload torpedoes
- 15 tons for climatization gear
- 55 tons for mines or depth charges.
135 tons total miscellaneous weight
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