Ger/BB/1905 Coal-fired boilers, Germany Battleship laid down 1905
Displacement:
20,521 t light; 21,410 t standard; 26,000 t normal; 29,672 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, 2 raised mounts - superfiring
12 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1905 Model
Quick firing guns in casemate mounts
on side, evenly spread
Weight of broadside 7,296 lbs / 3,309 kg
Shells per gun, main battery: 90
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 10.0" / 254 mm 380.00 ft / 115.82 m 8.00 ft / 2.44 m
Ends: 4.00" / 102 mm 160.00 ft / 48.77 m 8.00 ft / 2.44 m
40.00 ft / 12.19 m Unarmoured ends
Upper: 7.00" / 178 mm 0.00 ft / 0.00 m 0.00 ft / 0.00 m
Main Belt covers 101 % of normal length
- Torpedo Bulkhead:
2.00" / 51 mm 380.00 ft / 115.82 m 26.00 ft / 7.92 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 11.0" / 279 mm 7.00" / 178 mm 11.0" / 279 mm
2nd: 4.00" / 102 mm 4.00" / 102 mm 4.00" / 102 mm
- Armour deck: 3.00" / 76 mm, Conning tower: 11.00" / 279 mm
Machinery:
Coal fired boilers, steam turbines,
Direct drive, 4 shafts, 46,620 shp / 34,778 Kw = 23.00 kts
Range 6,500nm at 15.00 kts
Bunker at max displacement = 8,261 tons (100% coal)
Complement:
1,023 - 1,330
Cost:
£2.028 million / $8.113 million
Distribution of weights at normal displacement:
Armament: 912 tons, 3.5 %
Armour: 6,822 tons, 26.2 %
- Belts: 1,521 tons, 5.9 %
- Torpedo bulkhead: 731 tons, 2.8 %
- Armament: 2,132 tons, 8.2 %
- Armour Deck: 2,230 tons, 8.6 %
- Conning Tower: 208 tons, 0.8 %
Machinery: 3,885 tons, 14.9 %
Hull, fittings & equipment: 8,902 tons, 34.2 %
Fuel, ammunition & stores: 5,479 tons, 21.1 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
38,561 lbs / 17,491 Kg = 44.6 x 12.0 " / 305 mm shells or 5.7 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 5.8 ft / 1.8 m
Roll period: 15.7 seconds
Steadiness - As gun platform (Average = 50 %): 79 %
- Recoil effect (Restricted arc if above 1.00): 0.60
Seaboat quality (Average = 1.00): 1.59
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.655
Length to Beam Ratio: 6.44 : 1
'Natural speed' for length: 24.08 kts
Power going to wave formation at top speed: 50 %
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: 29.00 ft / 8.84 m
- Forecastle (20 %): 26.00 ft / 7.92 m
- Mid (68 %): 26.00 ft / 7.92 m (18.00 ft / 5.49 m aft of break)
- Quarterdeck (15 %): 18.00 ft / 5.49 m
- Stern: 18.00 ft / 5.49 m
- Average freeboard: 23.68 ft / 7.22 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96.7 %
- Above water (accommodation/working, high = better): 178.9 %
Waterplane Area: 40,186 Square feet or 3,733 Square metres
Displacement factor (Displacement / loading): 119 %
Structure weight / hull surface area: 156 lbs/sq ft or 760 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.68
- 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
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
No comments:
Post a Comment