Askold class, Russian Amphib Command Ship (Korabl' Upravleniya) laid down 1905 (Engine 1939)
Displacement:
6,854 t light; 7,248 t standard; 8,542 t normal; 9,577 t full load
Dimensions: Length overall / water x beam x draught
458.52 ft / 449.80 ft x 57.09 ft (Bulges 62.34 ft) x 21.33 ft (normal load)
139.76 m / 137.10 m x 17.40 m (Bulges 19.00 m) x 6.50 m
Armament:
2 - 8.27" / 210 mm guns in single mounts, 297.62lbs / 135.00kg shells, 1918 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
8 - 5.98" / 152 mm guns in single mounts, 123.46lbs / 56.00kg shells, 1939 Model
Breech loading guns in casemate mounts
on side, evenly spread
8 guns in hull casemates - Limited use in all but light seas
16 - 3.00" / 76.2 mm guns in single mounts, 15.43lbs / 7.00kg shells, 1939 Model
Quick firing guns in casemate mounts
on side, all amidships
8 guns in hull casemates - Limited use in all but light seas
12 - 3.94" / 100 mm guns (4x3 guns), 37.48lbs / 17.00kg shells, 1939 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
16 - 1.46" / 37.0 mm guns (4x4 guns), 1.55lbs / 0.70kg shells, 1939 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
Weight of broadside 2,304 lbs / 1,045 kg
Shells per gun, main battery: 150
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.09" / 180 mm 328.08 ft / 100.00 m 9.84 ft / 3.00 m
Ends: 2.76" / 70 mm 121.39 ft / 37.00 m 9.84 ft / 3.00 m
Upper: 2.76" / 70 mm 328.08 ft / 100.00 m 8.20 ft / 2.50 m
Main Belt covers 112 % of normal length
- Torpedo Bulkhead and Bulges:
1.57" / 40 mm 328.08 ft / 100.00 m 20.67 ft / 6.30 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 7.09" / 180 mm 4.72" / 120 mm 7.09" / 180 mm
2nd: 5.91" / 150 mm - -
3rd: 3.94" / 100 mm - -
4th: 0.98" / 25 mm 0.20" / 5 mm -
5th: 0.98" / 25 mm 0.20" / 5 mm -
- Armour deck: 2.76" / 70 mm, Conning tower: 7.09" / 180 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 23,732 shp / 17,704 Kw = 23.00 kts
Range 12,000nm at 15.00 kts
Bunker at max displacement = 2,329 tons
Complement:
443 - 577
Cost:
£0.545 million / $2.180 million
Distribution of weights at normal displacement:
Armament: 254 tons, 3.0 %
Armour: 3,156 tons, 37.0 %
- Belts: 1,383 tons, 16.2 %
- Torpedo bulkhead: 395 tons, 4.6 %
- Armament: 442 tons, 5.2 %
- Armour Deck: 872 tons, 10.2 %
- Conning Tower: 64 tons, 0.7 %
Machinery: 658 tons, 7.7 %
Hull, fittings & equipment: 2,496 tons, 29.2 %
Fuel, ammunition & stores: 1,688 tons, 19.8 %
Miscellaneous weights: 290 tons, 3.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
15,941 lbs / 7,231 Kg = 56.4 x 8.3 " / 210 mm shells or 4.0 torpedoes
Stability (Unstable if below 1.00): 1.30
Metacentric height 3.4 ft / 1.0 m
Roll period: 14.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.22
Seaboat quality (Average = 1.00): 1.29
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.500
Length to Beam Ratio: 7.22 : 1
'Natural speed' for length: 21.21 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 54
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: 23.95 ft / 7.30 m
- Forecastle (20 %): 13.45 ft / 4.10 m
- Mid (50 %): 13.12 ft / 4.00 m
- Quarterdeck (15 %): 13.12 ft / 4.00 m
- Stern: 13.12 ft / 4.00 m
- Average freeboard: 14.08 ft / 4.29 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 82.1 %
- Above water (accommodation/working, high = better): 97.1 %
Waterplane Area: 17,108 Square feet or 1,589 Square metres
Displacement factor (Displacement / loading): 126 %
Structure weight / hull surface area: 93 lbs/sq ft or 454 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.42
- 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
Good seaboat, rides out heavy weather easily
Notes:
Four 100mm semiautomatic AA mounts simmed as triples
Breakdown of Miscellaneous Weight:
Amphib ops bridge, comm gear - 200 tons
Air search radar - 20 tons
Surface search radar - 20 tons
Misc weight - 50 tons
Ships in Class:
- Askold (ex-Admiral Makarov)
- Pozharsky (ex-Gromoboi)