Izyslav class, Russian Destroyer laid down 1931
Displacement:
1,314 t light; 1,374 t standard; 1,537 t normal; 1,667 t full load
Dimensions: Length overall / water x beam x draught
367.45 ft / 367.45 ft x 32.81 ft x 11.15 ft (normal load)
112.00
m / 112.00 m x 10.00 m x 3.40 m
Armament:
3 - 5.12" / 130 mm guns in single mounts, 79.37lbs / 36.00kg shells, 1931 Model
Breech loading guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1931 Model
Anti-aircraft guns in a deck mount
with hoist
on centreline aft, all raised guns - superfiring
4 - 1.46" /
37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1931 Model
Anti-aircraft guns in deck mounts with hoists
on side, all amidships
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells,
1931 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside
251 lbs / 114 kg
Shells per gun, main battery: 200
9 - 21.0" / 533 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98"
/ 25 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm
-
- Conning tower: 1.18" / 30 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 33,215 shp / 24,778 Kw = 34.00
kts
Range 4,100nm at 15.00 kts
Bunker at max displacement = 293 tons
Complement:
122 - 159
Cost:
£0.766 million / $3.064 million
Distribution of weights at normal displacement:
Armament: 27 tons, 1.7 %
Armour: 10 tons, 0.6 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 6 tons, 0.4
%
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 3 tons, 0.2 %
Machinery:
765 tons, 49.8 %
Hull, fittings & equipment: 483 tons, 31.4 %
Fuel, ammunition & stores: 223 tons,
14.5 %
Miscellaneous weights: 30 tons, 2.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
409 lbs / 185 Kg = 6.1 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.17
Metacentric
height 1.3 ft / 0.4 m
Roll period: 12.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
-
Recoil effect (Restricted arc if above 1.00): 0.52
Seaboat quality (Average = 1.00): 1.00
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block
coefficient: 0.400
Length to Beam Ratio: 11.20 : 1
'Natural speed' for length: 21.97 kts
Power
going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 70
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: 24.61 ft / 7.50 m
- Forecastle (25 %): 17.22 ft / 5.25 m
- Mid (45 %): 17.22 ft / 5.25 m (9.84 ft / 3.00
m aft of break)
- Quarterdeck (15 %): 9.84 ft / 3.00 m
- Stern: 10.83
ft / 3.30 m
- Average freeboard: 13.98 ft / 4.26 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 176.9 %
-
Above water (accommodation/working, high = better): 71.9 %
Waterplane Area: 7,701 Square feet or 715 Square metres
Displacement
factor (Displacement / loading): 69 %
Structure weight / hull surface area: 33 lbs/sq ft or 162 Kg/sq metre
Hull
strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.52
- Overall:
0.56
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces
is cramped
Ship has slow, easy roll, a good, steady gun platform