Any serious coast artillery will send her away, but she'll probably stand up to field artillery:
Bomb-1, Russia Bombardment Ship laid down 1926
Displacement:
1,625 t light; 1,772 t standard; 2,066 t normal; 2,301 t full load
Dimensions: Length overall / water x beam x draught
344.49 ft / 344.49 ft x 42.65 ft x 9.84 ft (normal load)
105.00 m / 105.00 m x 13.00 m x 3.00 m
Armament:
1 - 12.01" / 305 mm guns in single mounts, 1,038.38lbs / 471.00kg shells, 1926 Model
Breech loading gun in deck mount
on centreline aft
2 - 5.12" / 130 mm guns (1x2 guns), 77.16lbs / 35.00kg shells, 1926 Model
Breech loading guns in deck mount
on centreline forward
16 - 1.46" / 37.0 mm guns (4x4 guns), 1.55lbs / 0.70kg shells, 1926 Model
Breech loading guns in deck mounts
on side, evenly spread
4 - 0.30" / 7.6 mm guns in single mounts, 0.01lbs / 0.01kg shells, 1926 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 1,217 lbs / 552 kg
Shells per gun, main battery: 150
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.94" / 100 mm 147.64 ft / 45.00 m 9.84 ft / 3.00 m
Ends: Unarmoured
Upper: 3.94" / 100 mm 65.62 ft / 20.00 m 6.56 ft / 2.00 m
Main Belt covers 66 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.95" / 75 mm - -
2nd: 0.98" / 25 mm - -
3rd: 0.98" / 25 mm - -
- Armour deck: 0.98" / 25 mm, Conning tower: 3.94" / 100 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 2,772 shp / 2,068 Kw = 16.00 kts
Range 9,300nm at 12.00 kts (Bunkerage = 529 tons)
Complement:
153 - 199
Cost:
£0.611 million / $2.444 million
Distribution of weights at normal displacement:
Armament: 128 tons, 6.2 %
Armour: 593 tons, 28.7 %
- Belts: 366 tons, 17.7 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 34 tons, 1.7 %
- Armour Deck: 178 tons, 8.6 %
- Conning Tower: 14 tons, 0.7 %
Machinery: 89 tons, 4.3 %
Hull, fittings & equipment: 816 tons, 39.5 %
Fuel, ammunition & stores: 441 tons, 21.3 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4,410 lbs / 2,000 Kg = 5.1 x 12.0 " / 305 mm shells or 1.5 torpedoes
Stability (Unstable if below 1.00): 1.47
Metacentric height 2.7 ft / 0.8 m
Roll period: 10.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.28
Seaboat quality (Average = 1.00): 1.24
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.500
Length to Beam Ratio: 8.08 : 1
'Natural speed' for length: 18.56 kts
Power going to wave formation at top speed: 34 %
Trim (Max stability = 0, Max steadiness = 100): 57
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: 11.48 ft / 3.50 m
- Forecastle (20 %): 11.15 ft / 3.40 m
- Mid (50 %): 10.83 ft / 3.30 m (7.55 ft / 2.30 m aft of break)
- Quarterdeck (15 %): 7.55 ft / 2.30 m
- Stern: 7.55 ft / 2.30 m
- Average freeboard: 9.33 ft / 2.84 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 63.5 %
- Above water (accommodation/working, high = better): 111.3 %
Waterplane Area: 9,789 Square feet or 909 Square metres
Displacement factor (Displacement / loading): 115 %
Structure weight / hull surface area: 62 lbs/sq ft or 304 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 1.00
- 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