Ger/BB/1905, Enter country Enter ship type laid down 1905
Displacement:
19,135 t light; 19,986 t standard; 22,058 t normal; 23,715 t full load
Dimensions: Length overall / water x beam x draught
580.00 ft / 580.00 ft x 90.00 ft x 26.60 ft (normal load)
176.78 m / 176.78 m x 27.43 m x 8.11 m
Armament:
8 - 12.00" / 305 mm guns (4x2 guns), 864.00lbs / 391.90kg shells, 1905 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, all raised mounts - superfiring
12 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1905 Model
Breech loading guns in casemate mounts
on side ends, evenly spread, all raised mounts - superfiring
Weight of broadside 7,296 lbs / 3,309 kg
Shells per gun, main battery: 100
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 10.0" / 254 mm 385.00 ft / 117.35 m 8.00 ft / 2.44 m
Ends: Unarmoured
Upper: 7.00" / 178 mm 385.00 ft / 117.35 m 0.00 ft / 0.00 m
Main Belt covers 102 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 11.0" / 279 mm 7.00" / 178 mm 11.0" / 279 mm
2nd: 2.00" / 51 mm - -
- Armour deck: 3.00" / 76 mm, Conning tower: 11.00" / 279 mm
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 4 shafts, 47,841 shp / 35,690 Kw = 24.00 kts
Range 4,500nm at 15.00 kts
Bunker at max displacement = 3,728 tons
Complement:
904 - 1,176
Cost:
£1.943 million / $7.773 million
Distribution of weights at normal displacement:
Armament: 912 tons, 4.1 %
Armour: 5,630 tons, 25.5 %
- Belts: 1,336 tons, 6.1 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 2,074 tons, 9.4 %
- Armour Deck: 2,033 tons, 9.2 %
- Conning Tower: 186 tons, 0.8 %
Machinery: 3,624 tons, 16.4 %
Hull, fittings & equipment: 8,969 tons, 40.7 %
Fuel, ammunition & stores: 2,923 tons, 13.3 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
28,036 lbs / 12,717 Kg = 32.4 x 12.0 " / 305 mm shells or 2.9 torpedoes
Stability (Unstable if below 1.00): 1.05
Metacentric height 4.7 ft / 1.4 m
Roll period: 17.5 seconds
Steadiness - As gun platform (Average = 50 %): 73 %
- Recoil effect (Restricted arc if above 1.00): 0.75
Seaboat quality (Average = 1.00): 1.45
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.556
Length to Beam Ratio: 6.44 : 1
'Natural speed' for length: 24.08 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): -2.00 degrees
Stern overhang: -2.00 ft / -0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.00 ft / 7.62 m
- Forecastle (20 %): 24.00 ft / 7.32 m
- Mid (80 %): 24.00 ft / 7.32 m (15.00 ft / 4.57 m aft of break)
- Quarterdeck (15 %): 15.00 ft / 4.57 m
- Stern: 15.00 ft / 4.57 m
- Average freeboard: 22.28 ft / 6.79 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.7 %
- Above water (accommodation/working, high = better): 179.9 %
Waterplane Area: 36,635 Square feet or 3,404 Square metres
Displacement factor (Displacement / loading): 109 %
Structure weight / hull surface area: 171 lbs/sq ft or 833 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.81
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
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Thursday, January 06, 2005
My design for the Ger/BB/1905 worked extremely well
I was shocked at how well my German battleship design worked in Springsharp. I actually was able to increase the speed to 24 knots (from 23). I used my traditional displacement and dimensions, as they had always been:
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