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1

Monday, September 29th 2014, 12:46am

Coast Defense Ships and Monitors

Revansh-class Coast Defense Battleship
- Revansh
- Represselya

Kutuzov-class Bombard
- Marshal Kutuzov
- Marshal Suvurov

2

Monday, September 29th 2014, 1:05am

Revansh-class, Russian Coast Defense Battleship laid down 1931

Displacement:
7,626 t light; 8,043 t standard; 9,425 t normal; 10,529 t full load

Dimensions: Length overall / water x beam x draught
410.11 ft / 410.11 ft x 55.77 ft (Bulges 67.09 ft) x 19.03 ft (normal load)
125.00 m / 125.00 m x 17.00 m (Bulges 20.45 m) x 5.80 m

Armament:
4 - 12.01" / 305 mm guns (2x2 guns), 1,038.38lbs / 471.00kg shells, 1931 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
8 - 5.12" / 130 mm guns in single mounts, 79.37lbs / 36.00kg shells, 1931 Model
Breech loading guns in casemate mounts
on side, evenly spread
4 - 3.94" / 100 mm guns in single mounts, 37.48lbs / 17.00kg shells, 1931 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread
8 - 1.46" / 37.0 mm guns (2x4 guns), 1.55lbs / 0.70kg shells, 1931 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
8 - 1.46" / 37.0 mm guns (2x4 guns), 1.55lbs / 0.70kg shells, 1931 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
Weight of broadside 4,963 lbs / 2,251 kg
Shells per gun, main battery: 80

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.0" / 330 mm 180.45 ft / 55.00 m 9.84 ft / 3.00 m
Ends: 2.76" / 70 mm 229.66 ft / 70.00 m 6.56 ft / 2.00 m
Upper: 2.76" / 70 mm 147.64 ft / 45.00 m 4.27 ft / 1.30 m
Main Belt covers 68 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.0" / 330 mm 7.87" / 200 mm 9.84" / 250 mm
2nd: 2.76" / 70 mm - -
3rd: 0.98" / 25 mm 0.20" / 5 mm -
4th: 0.98" / 25 mm 0.20" / 5 mm -
5th: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 4.72" / 120 mm, Conning tower: 9.84" / 250 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 10,813 shp / 8,066 Kw = 18.00 kts
Range 10,800nm at 15.00 kts
Bunker at max displacement = 2,486 tons

Complement:
477 - 621

Cost:
£3.262 million / $13.047 million

Distribution of weights at normal displacement:
Armament: 518 tons, 5.5 %
Armour: 3,608 tons, 38.3 %
- Belts: 1,327 tons, 14.1 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 683 tons, 7.2 %
- Armour Deck: 1,504 tons, 16.0 %
- Conning Tower: 95 tons, 1.0 %
Machinery: 323 tons, 3.4 %
Hull, fittings & equipment: 3,127 tons, 33.2 %
Fuel, ammunition & stores: 1,798 tons, 19.1 %
Miscellaneous weights: 50 tons, 0.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
14,405 lbs / 6,534 Kg = 16.6 x 12.0 " / 305 mm shells or 3.1 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 2.8 ft / 0.9 m
Roll period: 16.8 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.45
Seaboat quality (Average = 1.00): 1.20

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.630
Length to Beam Ratio: 6.11 : 1
'Natural speed' for length: 20.25 kts
Power going to wave formation at top speed: 45 %
Trim (Max stability = 0, Max steadiness = 100): 59
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: 18.04 ft / 5.50 m
- Forecastle (30 %): 9.84 ft / 3.00 m
- Mid (50 %): 9.84 ft / 3.00 m
- Quarterdeck (15 %): 9.84 ft / 3.00 m
- Stern: 11.15 ft / 3.40 m
- Average freeboard: 10.93 ft / 3.33 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 53.7 %
- Above water (accommodation/working, high = better): 67.6 %
Waterplane Area: 17,202 Square feet or 1,598 Square metres
Displacement factor (Displacement / loading): 112 %
Structure weight / hull surface area: 123 lbs/sq ft or 602 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.28
- 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
Good seaboat, rides out heavy weather easily

Breakdown of Miscellaneous Weights:
Not yet available

Ships in Class:
- Revansh
- Represselya

3

Monday, September 29th 2014, 1:12am

Kutuzov-class, Russian Bombardment Ship laid down 1931

Displacement:
1,306 t light; 1,364 t standard; 1,525 t normal; 1,654 t full load

Dimensions: Length overall / water x beam x draught
235.63 ft / 229.66 ft x 36.75 ft (Bulges 40.03 ft) x 9.84 ft (normal load)
71.82 m / 70.00 m x 11.20 m (Bulges 12.20 m) x 3.00 m

Armament:
1 - 12.01" / 305 mm guns in single mounts, 1,038.38lbs / 471.00kg shells, 1931 Model
Breech loading gun in a deck mount with hoist
on centreline aft
2 - 5.12" / 130 mm guns (1x2 guns), 79.37lbs / 36.00kg shells, 1931 Model
Breech loading guns in a deck mount with hoist
on centreline forward
6 - 1.46" / 37.0 mm guns (3x2 guns), 1.55lbs / 0.70kg shells, 1931 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1931 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 1,207 lbs / 547 kg
Shells per gun, main battery: 40

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.95" / 75 mm 114.83 ft / 35.00 m 9.84 ft / 3.00 m
Ends: 1.18" / 30 mm 114.83 ft / 35.00 m 6.56 ft / 2.00 m
Main Belt covers 77 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.95" / 75 mm 0.98" / 25 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 0.98" / 25 mm, Conning tower: 2.95" / 75 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 476 shp / 355 Kw = 10.00 kts
Range 9,600nm at 10.00 kts
Bunker at max displacement = 291 tons

Complement:
121 - 158

Cost:
£0.671 million / $2.682 million

Distribution of weights at normal displacement:
Armament: 126 tons, 8.3 %
Armour: 330 tons, 21.6 %
- Belts: 189 tons, 12.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 23 tons, 1.5 %
- Armour Deck: 109 tons, 7.1 %
- Conning Tower: 8 tons, 0.6 %
Machinery: 14 tons, 0.9 %
Hull, fittings & equipment: 836 tons, 54.8 %
Fuel, ammunition & stores: 220 tons, 14.4 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2,783 lbs / 1,263 Kg = 3.2 x 12.0 " / 305 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.22
Metacentric height 1.6 ft / 0.5 m
Roll period: 13.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.96
Seaboat quality (Average = 1.00): 1.63

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.590
Length to Beam Ratio: 5.74 : 1
'Natural speed' for length: 15.15 kts
Power going to wave formation at top speed: 28 %
Trim (Max stability = 0, Max steadiness = 100): 43
Bow angle (Positive = bow angles forward): 20.00 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 (25 %): 9.84 ft / 3.00 m
- Mid (60 %): 9.84 ft / 3.00 m
- Quarterdeck (20 %): 9.84 ft / 3.00 m
- Stern: 9.84 ft / 3.00 m
- Average freeboard: 10.50 ft / 3.20 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 63.4 %
- Above water (accommodation/working, high = better): 92.5 %
Waterplane Area: 5,971 Square feet or 555 Square metres
Displacement factor (Displacement / loading): 112 %
Structure weight / hull surface area: 93 lbs/sq ft or 456 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.88
- Longitudinal: 3.14
- 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

Breakdown of Miscellaneous Weights:
None to break down.

Ships in Class:
- Marshal Kutuzov
- Marshal Suvurov

4

Monday, December 23rd 2019, 3:19am

Grom, Russian River Monitor laid down 1949

Displacement:
441 t light; 481 t standard; 542 t normal; 591 t full load

Dimensions: Length overall / water x beam x draught
213.25 ft / 213.25 ft x 22.97 ft x 5.91 ft (normal load)
65.00 m / 65.00 m x 7.00 m x 1.80 m

Armament:
2 - 5.98" / 152 mm guns in single mounts, 88.18lbs / 40.00kg shells, 1949 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
1 - 2.95" / 75.0 mm guns in single mounts, 12.87lbs / 5.84kg shells, 1949 Model
Anti-aircraft gun in deck mounts
on side, all amidships
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1949 Model
Anti-aircraft guns in deck mount
on side
2 - 0.55" / 14.0 mm guns in single mounts, 0.08lbs / 0.04kg shells, 1949 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 196 lbs / 89 kg
Shells per gun, main battery: 250

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.97" / 50 mm 164.04 ft / 50.00 m 3.28 ft / 1.00 m
Ends: Unarmoured
Main Belt covers 118 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.79" / 20 mm -
2nd: 1.97" / 50 mm 0.79" / 20 mm -
3rd: 0.79" / 20 mm - -
4th: 0.79" / 20 mm - -

- Armour deck: 1.18" / 30 mm, Conning tower: 3.15" / 80 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 1,150 shp / 858 Kw = 15.11 kts
Range 5,000nm at 12.00 kts
Bunker at max displacement = 111 tons

Complement:
56 - 73

Cost:
£0.335 million / $1.340 million

Distribution of weights at normal displacement:
Armament: 29 tons, 5.4 %
Armour: 145 tons, 26.8 %
- Belts: 44 tons, 8.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 15 tons, 2.7 %
- Armour Deck: 82 tons, 15.2 %
- Conning Tower: 5 tons, 0.8 %
Machinery: 28 tons, 5.1 %
Hull, fittings & equipment: 214 tons, 39.5 %
Fuel, ammunition & stores: 101 tons, 18.6 %
Miscellaneous weights: 25 tons, 4.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,234 lbs / 560 Kg = 11.5 x 6.0 " / 152 mm shells or 0.8 torpedoes
Stability (Unstable if below 1.00): 1.30
Metacentric height 0.9 ft / 0.3 m
Roll period: 10.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.46
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0.656
Length to Beam Ratio: 9.29 : 1
'Natural speed' for length: 14.60 kts
Power going to wave formation at top speed: 45 %
Trim (Max stability = 0, Max steadiness = 100): 35
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: 16.40 ft / 5.00 m
- Forecastle (20 %): 16.40 ft / 5.00 m (8.20 ft / 2.50 m aft of break)
- Mid (50 %): 8.20 ft / 2.50 m
- Quarterdeck (15 %): 8.20 ft / 2.50 m
- Stern: 8.20 ft / 2.50 m
- Average freeboard: 9.84 ft / 3.00 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 65.6 %
- Above water (accommodation/working, high = better): 105.2 %
Waterplane Area: 3,772 Square feet or 350 Square metres
Displacement factor (Displacement / loading): 118 %
Structure weight / hull surface area: 33 lbs/sq ft or 161 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.90
- Longitudinal: 2.54
- 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

Ships in Class:
- Groza: laid down April 1949
- Smerch: laid down April 1949