... I came up with a couple of odd variants...
Version I: 38cm single wing turrets.
Test, Japan Battleship laid down 1925
Displacement:
37,869 t light; 39,991 t standard; 44,793 t normal; 48,456 t full load
Loading submergence 1,546 tons/feet
Dimensions:
850.00 ft x 95.00 ft x 35.30 ft (normal load)
259.08 m x 28.96 m x 10.76 m
Armament:
8 - 9.84" / 250 mm guns (2 Main turrets x 4 guns)
6 - 14.96" / 380 mm guns (6 2nd turrets x 1 guns)
16 - 4.72" / 120 mm AA guns
30 - 0.98" / 25 mm guns
Weight of broadside 14,717 lbs / 6,676 kg
6 - 24.0" / 609.6 mm above water torpedoes
Armour:
Belt 14.00" / 356 mm, ends unarmoured
Belts cover 93 % of normal area
Main turrets 15.00" / 381 mm, 2nd turrets 15.00" / 381 mm
AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 5.00" / 127 mm, Conning tower 14.00" / 356 mm
Torpedo bulkhead 2.00" / 51 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 169,295 shp / 126,294 Kw = 31.00 kts
Range 14,226nm at 15.00 kts
Complement:
1,539 - 2,001
Cost:
£11.914 million / $47.654 million
Distribution of weights at normal displacement:
Armament: 1,840 tons, 4.1 %
Armour: 14,868 tons, 33.2 %
Belts: 3,488 tons, 7.8 %, Armament: 4,551 tons, 10.2 %, Armour Deck: 5,004 tons, 11.2 %
Conning Tower: 382 tons, 0.9 %, Torpedo bulkhead: 1,443 tons, 3.2 %
Machinery: 5,497 tons, 12.3 %
Hull, fittings & equipment: 15,564 tons, 34.7 %
Fuel, ammunition & stores: 6,924 tons, 15.5 %
Miscellaneous weights: 100 tons, 0.2 %
Metacentric height 5.6
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: 1.10
Shellfire needed to sink: 43,655 lbs / 19,801 Kg = 91.6 x 9.8 " / 250 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 5.5
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 52 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.57
Relative quality as seaboat: 1.04
Hull form characteristics:
Block coefficient: 0.550
Sharpness coefficient: 0.36
Hull speed coefficient 'M': 7.32
'Natural speed' for length: 29.15 kts
Power going to wave formation at top speed: 49 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)
Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 91.7 %
Relative accommodation and working space: 127.5 %
(Average = 100%)
Displacement factor: 110 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.04
(Structure weight / hull surface area: 189 lbs / square foot or 924 Kg / square metre)
Relative longitudinal hull strength: 1.01
(for 20.40 ft / 6.22 m average freeboard, freeboard adjustment -0.04 ft)
Relative composite hull strength: 1.01
Version II: Back to Basics. Pre-dreadnought ironclad speedboat.
Test, Japan Battleship laid down 1925
Displacement:
37,869 t light; 39,991 t standard; 44,793 t normal; 48,456 t full load
Loading submergence 1,546 tons/feet
Dimensions:
850.00 ft x 95.00 ft x 35.30 ft (normal load)
259.08 m x 28.96 m x 10.76 m
Armament:
6 - 14.96" / 380 mm guns (2 Main turrets x 3 guns)
8 - 9.84" / 250 mm guns (4 2nd turrets x 2 guns)
16 - 4.72" / 120 mm AA guns
30 - 0.98" / 25 mm guns
Weight of broadside 14,717 lbs / 6,676 kg
6 - 24.0" / 609.6 mm above water torpedoes
Armour:
Belt 14.00" / 356 mm, ends unarmoured
Belts cover 93 % of normal area
Main turrets 15.00" / 381 mm, 2nd turrets 15.00" / 381 mm
AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 5.00" / 127 mm, Conning tower 14.00" / 356 mm
Torpedo bulkhead 2.00" / 51 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 169,295 shp / 126,294 Kw = 31.00 kts
Range 14,226nm at 15.00 kts
Complement:
1,539 - 2,001
Cost:
£11.914 million / $47.654 million
Distribution of weights at normal displacement:
Armament: 1,840 tons, 4.1 %
Armour: 14,699 tons, 32.8 %
Belts: 3,488 tons, 7.8 %, Armament: 4,381 tons, 9.8 %, Armour Deck: 5,004 tons, 11.2 %
Conning Tower: 382 tons, 0.9 %, Torpedo bulkhead: 1,443 tons, 3.2 %
Machinery: 5,497 tons, 12.3 %
Hull, fittings & equipment: 15,734 tons, 35.1 %
Fuel, ammunition & stores: 6,924 tons, 15.5 %
Miscellaneous weights: 100 tons, 0.2 %
Metacentric height 5.6
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: 1.11
Shellfire needed to sink: 43,772 lbs / 19,855 Kg = 26.1 x 15.0 " / 380 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 5.5
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 52 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.57
Relative quality as seaboat: 1.05
Hull form characteristics:
Block coefficient: 0.550
Sharpness coefficient: 0.36
Hull speed coefficient 'M': 7.32
'Natural speed' for length: 29.15 kts
Power going to wave formation at top speed: 49 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)
Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 91.7 %
Relative accommodation and working space: 127.5 %
(Average = 100%)
Displacement factor: 111 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.00
(Structure weight / hull surface area: 191 lbs / square foot or 934 Kg / square metre)
Relative longitudinal hull strength: 1.02
(for 20.40 ft / 6.22 m average freeboard, freeboard adjustment -0.04 ft)
Relative composite hull strength: 1.01
Version III: Not sure what I was thinking...
;;
I think 1x3 38cm, 1x4 25cm, 1x3 38cm, with 2x2 25cm wing turrets...
Test, Japan Battleship laid down 1925
Displacement:
37,869 t light; 39,991 t standard; 44,793 t normal; 48,456 t full load
Loading submergence 1,546 tons/feet
Dimensions:
850.00 ft x 95.00 ft x 35.30 ft (normal load)
259.08 m x 28.96 m x 10.76 m
Armament:
8 - 9.84" / 250 mm guns (3 Main turrets, 1 superfiring turret)
6 - 14.96" / 380 mm guns (2 2nd turrets x 3 guns)
16 - 4.72" / 120 mm AA guns
30 - 0.98" / 25 mm guns
Weight of broadside 14,717 lbs / 6,676 kg
6 - 24.0" / 609.6 mm above water torpedoes
Armour:
Belt 14.00" / 356 mm, ends unarmoured
Belts cover 93 % of normal area
Main turrets 15.00" / 381 mm, 2nd turrets 15.00" / 381 mm
AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 4.50" / 114 mm, Conning tower 14.00" / 356 mm
Torpedo bulkhead 2.00" / 51 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 169,295 shp / 126,294 Kw = 31.00 kts
Range 14,226nm at 15.00 kts
Complement:
1,539 - 2,001
Cost:
£11.914 million / $47.654 million
Distribution of weights at normal displacement:
Armament: 1,840 tons, 4.1 %
Armour: 14,385 tons, 32.1 %
Belts: 3,488 tons, 7.8 %, Armament: 4,568 tons, 10.2 %, Armour Deck: 4,504 tons, 10.1 %
Conning Tower: 382 tons, 0.9 %, Torpedo bulkhead: 1,443 tons, 3.2 %
Machinery: 5,497 tons, 12.3 %
Hull, fittings & equipment: 16,047 tons, 35.8 %
Fuel, ammunition & stores: 6,924 tons, 15.5 %
Miscellaneous weights: 100 tons, 0.2 %
Metacentric height 5.3
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: 1.07
Shellfire needed to sink: 43,059 lbs / 19,531 Kg = 90.3 x 9.8 " / 250 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 5.5
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 51 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.58
Relative quality as seaboat: 1.02
Hull form characteristics:
Block coefficient: 0.550
Sharpness coefficient: 0.36
Hull speed coefficient 'M': 7.32
'Natural speed' for length: 29.15 kts
Power going to wave formation at top speed: 49 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)
Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 91.7 %
Relative accommodation and working space: 127.5 %
(Average = 100%)
Displacement factor: 111 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.00
(Structure weight / hull surface area: 195 lbs / square foot or 953 Kg / square metre)
Relative longitudinal hull strength: 1.01
(for 20.40 ft / 6.22 m average freeboard, freeboard adjustment -0.04 ft)
Relative composite hull strength: 1.00
Version IV: 38cm turrets forward, 2x2 25cm wingturrets, 1x4 25cm turret aft
Test, Japan Battleship laid down 1925
Displacement:
37,869 t light; 39,991 t standard; 44,793 t normal; 48,456 t full load
Loading submergence 1,546 tons/feet
Dimensions:
850.00 ft x 95.00 ft x 35.30 ft (normal load)
259.08 m x 28.96 m x 10.76 m
Armament:
6 - 14.96" / 380 mm guns (2 Main turrets x 3 guns, 1 superfiring turret)
Main turrets are grouped together
8 - 9.84" / 250 mm guns
16 - 4.72" / 120 mm AA guns
30 - 0.98" / 25 mm guns
Weight of broadside 14,717 lbs / 6,676 kg
6 - 24.0" / 609.6 mm above water torpedoes
Armour:
Belt 14.00" / 356 mm, ends unarmoured
Belts cover 93 % of normal area
Main turrets 15.00" / 381 mm, 2nd turrets 15.00" / 381 mm
AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 4.20" / 107 mm, Conning tower 14.00" / 356 mm
Torpedo bulkhead 2.00" / 51 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 169,295 shp / 126,294 Kw = 31.00 kts
Range 14,226nm at 15.00 kts
Complement:
1,539 - 2,001
Cost:
£11.914 million / $47.654 million
Distribution of weights at normal displacement:
Armament: 1,840 tons, 4.1 %
Armour: 14,187 tons, 31.7 %
Belts: 3,488 tons, 7.8 %, Armament: 4,671 tons, 10.4 %, Armour Deck: 4,203 tons, 9.4 %
Conning Tower: 382 tons, 0.9 %, Torpedo bulkhead: 1,443 tons, 3.2 %
Machinery: 5,497 tons, 12.3 %
Hull, fittings & equipment: 16,245 tons, 36.3 %
Fuel, ammunition & stores: 6,924 tons, 15.5 %
Miscellaneous weights: 100 tons, 0.2 %
Metacentric height 5.1
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: 1.05
Shellfire needed to sink: 42,736 lbs / 19,385 Kg = 25.5 x 15.0 " / 380 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 5.4
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 52 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.60
Relative quality as seaboat: 1.04
Hull form characteristics:
Block coefficient: 0.550
Sharpness coefficient: 0.36
Hull speed coefficient 'M': 7.32
'Natural speed' for length: 29.15 kts
Power going to wave formation at top speed: 49 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)
Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 91.7 %
Relative accommodation and working space: 127.5 %
(Average = 100%)
Displacement factor: 112 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.00
(Structure weight / hull surface area: 198 lbs / square foot or 965 Kg / square metre)
Relative longitudinal hull strength: 1.08
(for 20.40 ft / 6.22 m average freeboard, freeboard adjustment -0.04 ft)
Relative composite hull strength: 1.01
Walter