Ger/CS/1905, Germany scout cruiser laid down 1906 (Engine 1908)
Displacement:
2,354 t light; 2,430 t standard; 2,679 t normal; 2,879 t full load
Dimensions: Length overall / water x beam x draught
372.27 ft / 370.00 ft x 38.00 ft x 13.50 ft (normal load)
113.47 m / 112.78 m x 11.58 m x 4.11 m
Armament:
5 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1906 Model
Quick firing guns in deck mounts
on centreline ends, majority forward, all raised mounts - superfiring
Weight of broadside 160 lbs / 73 kg
Shells per gun, main battery: 250
2 - 18.0" / 457.2 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.00" / 51 mm 165.00 ft / 50.29 m 8.00 ft / 2.44 m
Ends: Unarmoured
Main Belt covers 69 % of normal length
Main belt does not fully cover magazines and engineering spaces
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 4 shafts, 40,816 shp / 30,449 Kw = 31.00 kts
Range 2,250nm at 15.00 kts
Bunker at max displacement = 449 tons
Complement:
186 - 242
Cost:
£0.328 million / $1.314 million
Distribution of weights at normal displacement:
Armament: 20 tons, 0.7 %
Armour: 118 tons, 4.4 %
- Belts: 118 tons, 4.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 0 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,637 tons, 61.1 %
Hull, fittings & equipment: 579 tons, 21.6 %
Fuel, ammunition & stores: 325 tons, 12.1 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
585 lbs / 265 Kg = 18.3 x 4.0 " / 102 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.83
Metacentric height 3.1 ft / 0.9 m
Roll period: 9.1 seconds
Steadiness - As gun platform (Average = 50 %): 56 %
- Recoil effect (Restricted arc if above 1.00): 0.07
Seaboat quality (Average = 1.00): 1.26
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.494
Length to Beam Ratio: 9.74 : 1
'Natural speed' for length: 19.24 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 45
Bow angle (Positive = bow angles forward): 2.00 degrees
Stern overhang: 1.50 ft / 0.46 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.00 ft / 6.71 m
- Forecastle (34 %): 21.00 ft / 6.40 m
- Mid (34 %): 20.00 ft / 6.10 m (14.00 ft / 4.27 m aft of break)
- Quarterdeck (13 %): 14.00 ft / 4.27 m
- Stern: 15.00 ft / 4.57 m
- Average freeboard: 16.58 ft / 5.05 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 203.1 %
- Above water (accommodation/working, high = better): 124.0 %
Waterplane Area: 9,317 Square feet or 866 Square metres
Displacement factor (Displacement / loading): 61 %
Structure weight / hull surface area: 32 lbs/sq ft or 155 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.49
- Longitudinal: 1.65
- Overall: 0.56
Hull space for machinery, storage, compartmentation is extremely poor
Room for accommodation and workspaces is excellent
Good seaboat, rides out heavy weather easily
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Monday, January 03, 2005
This is what I could make work as a scout cruiser
I was disappointed at what I could make work in Springsharp as a 1905 scout cruiser that was very destroyer-like. I had to drastically reduce the speed in order for the design to be viable. I would be interested to see if at a later date, it would work as intended. Note that this was based on the concept for Churchill's "Super Swift" from 1912, including the 2in side armor:
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