Fuso, Japan Senkan laid down 1914
Displacement:
30,477 t light; 32,166 t standard; 39,435 t normal; 45,093 t full load
Dimensions: Length overall / water x beam x draught
713.82 ft / 710.00 ft x 97.00 ft (Bulges 108.00 ft) x 30.00 ft (normal load)
217.57 m / 216.41 m x 29.57 m (Bulges 32.92 m) x 9.14 m
Armament:
12 - 14.17" / 360 mm guns (6x2 guns), 1,400.00lbs / 635.03kg shells, 1911 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 3 raised mounts - superfiring
16 - 5.12" / 130 mm guns in single mounts, 55.00lbs / 24.95kg shells, 1914 Model
Breech loading guns in casemate mounts
on side, all amidships
16 guns in hull casemates - Limited use in heavy seas
20 - 1.97" / 50.0 mm guns (10x2 guns), 4.00lbs / 1.81kg shells, 1914 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
42 - 0.98" / 25.0 mm guns (14x3 guns), 0.57lbs / 0.26kg shells, 1914 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 17,784 lbs / 8,067 kg
Shells per gun, main battery: 90
6 - 21.0" / 533.4 mm submerged torpedo tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.0" / 305 mm 390.00 ft / 118.87 m 12.00 ft / 3.66 m
Ends: 3.50" / 89 mm 248.48 ft / 75.74 m 12.00 ft / 3.66 m
71.52 ft / 21.80 m Unarmoured ends
Upper: 2.00" / 51 mm 390.00 ft / 118.87 m 18.00 ft / 5.49 m
Main Belt covers 85 % of normal length
- Torpedo Bulkhead and Bulges:
2.00" / 51 mm 390.00 ft / 118.87 m 29.00 ft / 8.84 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 11.0" / 279 mm 10.0" / 254 mm 11.0" / 279 mm
2nd: 4.00" / 102 mm - 4.00" / 102 mm
3rd: 1.00" / 25 mm - -
4th: 1.00" / 25 mm - -
- Armour deck: 2.00" / 51 mm, Conning tower: 13.00" / 330 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 65,379 shp / 48,772 Kw = 24.00 kts
Range 18,235nm at 15.00 kts (Bunkerage = 13,084 tons)
Complement:
1,398 - 1,818
Cost:
£4.245 million / $16.982 million
Distribution of weights at normal displacement:
Armament: 2,281 tons, 5.8 %
Armour: 10,334 tons, 26.2 %
- Belts: 3,522 tons, 8.9 %
- Torpedo bulkhead: 837 tons, 2.1 %
- Armament: 3,825 tons, 9.7 %
- Armour Deck: 1,823 tons, 4.6 %
- Conning Tower: 326 tons, 0.8 %
Machinery: 2,518 tons, 6.4 %
Hull, fittings & equipment: 15,143 tons, 38.4 %
Fuel, ammunition & stores: 8,959 tons, 22.7 %
Miscellaneous weights: 200 tons, 0.5 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
42,907 lbs / 19,462 Kg = 30.1 x 14.2 " / 360 mm shells or 6.4 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 7.6 ft / 2.3 m
Steadiness - As gun platform (Average = 50 %): 56 %
- Recoil effect (Restricted arc if above 1.00): 0.48
Seaboat quality (Average = 1.00): 1.12
Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.600
Length to Beam Ratio: 6.57 : 1
'Natural speed' for length: 26.65 kts
Power going to wave formation at top speed: 45 %
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: 21.65 ft / 6.60 m
- Forecastle (20 %): 18.65 ft / 5.68 m
- Mid (50 %): 18.65 ft / 5.68 m
- Quarterdeck (24 %): 11.60 ft / 3.54 m (18.65 ft / 5.68 m before break)
- Stern: 11.60 ft / 3.54 m
- Average freeboard: 17.20 ft / 5.24 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 83.2 %
- Above water (accommodation/working, high = better): 125.2 %
Waterplane Area: 49,270 Square feet or 4,577 Square metres
Displacement factor (Displacement / loading): 117 %
Structure weight / hull surface area: 218 lbs/sq ft or 1,062 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.10
- Longitudinal: 1.07
- Overall: 1.08
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
SS 1 Data:
Fuso, Japan Battleship laid down 1914
Displacement:
29,857 t light; 32,166 t standard; 39,435 t normal; 45,093 t full load
Loading submergence 1,556 tons/feet
Dimensions:
710.00 ft x 108.00 ft x 30.00 ft (normal load)
216.41 m x 32.92 m x 9.14 m
Armament:
12 - 36.0 cm (14.17") / 45 cal Model 1911 guns in 6 Main turrets x 2 guns, 3 superfiring turrets; B,Q and X
16 - 13.0 cm (5.12") / 50 cal Model 1914 guns in 16 single casemate mounts.
Secondary guns mounted low & subject to being washed down in a seaway
18 - 50 mm (1.97") / 60 cal Model 1914 AA guns
42 - 25 mm (0.98") / 60 cal Model 1914 light AA guns
Weight of broadside 18,244 lbs / 8,275 kg
6 - 21.0" / 533.4 mm submerged torpedo tubes
Armour:
Belt 12.00" / 305 mm, upper belt 2.00" / 51 mm, end belts 3.50" / 89 mm
Belts cover 85 % of normal area
Main turrets 11.00" / 279 mm, 2nd casemates 4.00" / 102 mm
AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 2.00" / 51 mm, Conning tower 13.00" / 330 mm
Torpedo bulkhead 2.00" / 51 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 65,379 shp / 48,772 Kw = 24.00 kts
Range 17,200nm at 15.00 kts
Complement:
1,399 - 1,818
Cost:
£4.217 million / $16.867 million
Distribution of weights at normal displacement:
Armament: 2,280 tons, 5.8 %
Armour: 10,436 tons, 26.5 %
Belts: 3,139 tons, 8.0 %, Armament: 3,932 tons, 10.0 %, Armour Deck: 2,015 tons, 5.1 %
Conning Tower: 326 tons, 0.8 %, Torpedo bulkhead: 1,025 tons, 2.6 %
Machinery: 2,518 tons, 6.4 %
Hull, fittings & equipment: 14,422 tons, 36.6 %
Fuel, ammunition & stores: 9,579 tons, 24.3 %
Miscellaneous weights: 200 tons, 0.5 %
Metacentric height 7.6
Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is excellent
Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.18
Shellfire needed to sink: 42,507 lbs / 19,281 Kg = 29.9 x 14.2 " / 360 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 6.3
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 56 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.41
Relative quality as seaboat: 1.12
Hull form characteristics:
Block coefficient: 0.600
Sharpness coefficient: 0.42
Hull speed coefficient 'M': 6.38
'Natural speed' for length: 26.65 kts
Power going to wave formation at top speed: 45 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)
Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 84.4 %
Relative accommodation and working space: 127.5 %
(Average = 100%)
Displacement factor: 116 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.02
(Structure weight / hull surface area: 201 lbs / square foot or 979 Kg / square metre)
Relative longitudinal hull strength: 1.01
(for 17.20 ft / 5.24 m average freeboard, freeboard adjustment -2.72 ft)
Relative composite hull strength: 1.01
Fuso, Japan Senkan 1946 Rebuild laid down 1914 (Engine 1946)
Displacement:
33,321 t light; 35,507 t standard; 39,435 t normal; 42,578 t full load
Dimensions: Length overall / water x beam x draught
717.96 ft / 710.00 ft x 97.00 ft (Bulges 108.00 ft) x 30.00 ft (normal load)
218.84 m / 216.41 m x 29.57 m (Bulges 32.92 m) x 9.14 m
Armament:
12 - 14.17" / 360 mm guns (6x2 guns), 1,400.00lbs / 635.03kg shells, 1946 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 3 raised mounts - superfiring
16 - 5.00" / 127 mm guns in single mounts, 55.12lbs / 25.00kg shells, 1946 Model
Quick firing guns in casemate mounts
on side, all forward
16 guns in hull casemates - Limited use in heavy seas
20 - 2.95" / 75.0 mm guns (10x2 guns), 12.00lbs / 5.44kg shells, 1946 Model
Automatic rapid fire guns in deck mounts with hoists
on side, evenly spread
36 - 1.57" / 40.0 mm guns (6x6 guns), 2.00lbs / 0.91kg shells, 1946 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
56 - 0.98" / 25.0 mm guns (14x4 guns), 0.57lbs / 0.26kg shells, 1946 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 18,026 lbs / 8,176 kg
Shells per gun, main battery: 137
168 - 4.7" / 120 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 14.0" / 356 mm 475.00 ft / 144.78 m 12.00 ft / 3.66 m
Ends: Unarmoured
Main Belt covers 103% of normal length
- Torpedo Bulkhead and Bulges:
2.00" / 51 mm 475.00 ft / 144.78 m 29.00 ft / 8.84 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 16.0" / 406 mm 10.0" / 254 mm 14.0" / 356 mm
2nd: 4.00" / 102 mm - 4.00" / 102 mm
3rd: 1.00" / 25 mm - 1.00" / 25 mm
4th: 1.00" / 25 mm 1.00" / 25 mm -
5th: 1.00" / 25 mm 1.00" / 25 mm -
- Armour deck: 5.50" / 140 mm, Conning tower: 18.00" / 457 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 65,359 shp / 48,758 Kw = 24.00 kts
Range 10,000nm at 18.00 kts
Bunker at max displacement = 7,072 tons
Complement:
1,398 - 1,818
Cost:
£4.246 million / $16.984 million
Distribution of weights at normal displacement:
Armament: 2,311 tons, 5.9%
Armour: 14,203 tons, 36.0%
- Belts: 3,421 tons, 8.7%
- Torpedo bulkhead: 1,019 tons, 2.6%
- Armament: 4,188 tons, 10.6%
- Armour Deck: 5,125 tons, 13.0%
- Conning Tower: 449 tons, 1.1%
Machinery: 1,632 tons, 4.1%
Hull, fittings & equipment: 13,824 tons, 35.1%
Fuel, ammunition & stores: 6,115 tons, 15.5%
Miscellaneous weights: 1,350 tons, 3.4%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
54,246 lbs / 24,606 Kg = 38.1 x 14.2 " / 360 mm shells or 9.9 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 5.8 ft / 1.8 m
Roll period: 18.9 seconds
Steadiness - As gun platform (Average = 50 %): 57 %
- Recoil effect (Restricted arc if above 1.00): 0.49
Seaboat quality (Average = 1.00): 1.14
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.600
Length to Beam Ratio: 6.57 : 1
'Natural speed' for length: 26.65 kts
Power going to wave formation at top speed: 45 %
Trim (Max stability = 0, Max steadiness = 100): 50
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: 21.88 ft / 6.67 m
- Forecastle (20%): 18.88 ft / 5.75 m
- Mid (73%): 18.88 ft / 5.75 m (11.83 ft / 3.61 m aft of break)
- Quarterdeck (15%): 11.83 ft / 3.61 m
- Stern: 11.83 ft / 3.61 m
- Average freeboard: 17.20 ft / 5.24 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 78.9%
- Above water (accommodation/working, high = better): 110.2%
Waterplane Area: 50,370 Square feet or 4,680 Square metres
Displacement factor (Displacement / loading): 106%
Structure weight / hull surface area: 197 lbs/sq ft or 963 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
Actual 25mm mounts: 8x4 (= 32 guns)
6x4 25mm mounts simmed for AA Rocket launcher mount.
12cm Rockets simmed as Torpedoes.
Actual shells per gun (1398t)
36cm = 100 rounds per gun (933 tons total)
5" = 315 rounds per gun (154 tons total)
75mm = 1500 rounds per gun (200 tons total)
40mm = 2000 rounds per gun (80 tons total)
25mm = 3000 rounds per gun (31 tons total)
1350t
- 200 tons for fire control and fire control center
- 100 tons for radar systems
- 334 tons for damage control and fire suppression systems
- 84 tons emergency diesel generators
- 334 tons for air condition system
- 144 tons for degaussing coils
- 38 tons for 6x28 12 cm AA Rocket launchers
- 60 for mount improvements
--- 40 tons for 75mm mounts
--- 12 tons for 40mm mounts
--- 8 tons for 25mm mounts
- 56 tons for for crew comfort.