Ger/CS/1905, Germany Scout Cruiser laid down 1905 (Engine 1945)
Displacement:
2,304 t light; 2,368 t standard; 2,542 t normal; 2,681 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(371.75 ft / 370.00 ft) x 38.00 ft x (14.00 / 14.54 ft)
(113.31 m / 112.78 m) x 11.58 m x (4.27 / 4.43 m)
Armament:
3 - 4.00" / 102 mm 50.0 cal guns - 32.00lbs / 14.51kg shells, 150 per gun
Breech loading guns in deck and hoist mount , 1905 Model
2 x Single mounts on sides, forward deck centre
2 raised mounts
2 - 4.00" / 102 mm 50.0 cal guns - 32.00lbs / 14.51kg shells, 150 per gun
Breech loading guns in deck and hoist mounts , 1905 Model
1 x Single mount on centreline, aft deck forward
1 raised mount
1 x Single mount on centreline, aft deck aft
1 raised mount
Weight of broadside 160 lbs / 160 kg
2 - 18.0" / 457 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.00" / 51 mm 160.00 ft / 48.77 m 8.00 ft / 2.44 m
Ends: Unarmoured
Upper: 2.00" / 51 mm 100.00 ft / 30.48 m 8.00 ft / 2.44 m
Main Belt covers 67 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.00" / 51 mm - 2.00" / 51 mm
Machinery:
Oil fired boilers, steam turbines,
ERROR: Revise drives, 2 shafts, 64,846 shp / 48,375 Kw = 35.00 kts
Range 4,000nm at 14.00 kts
Bunker at max displacement = 313 tons
Complement:
178 - 232
Cost:
£0.291 million / $1.163 million
Distribution of weights at normal displacement:
Armament: 52 tons, 2.0 %
Armour: 201 tons, 7.9 %
- Belts: 195 tons, 7.7 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 6 tons, 0.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,371 tons, 53.9 %
Hull, fittings & equipment: 710 tons, 27.9 %
Fuel, ammunition & stores: 238 tons, 9.4 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
611 lbs / 277 Kg = 19.1 x 4.0 " / 102 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 1.7 ft / 0.5 m
Roll period: 12.4 seconds
Steadiness - As gun platform (Average = 50 %): 64 %
- Recoil effect (Restricted arc if above 1.00): 0.25
Seaboat quality (Average = 1.00): 1.03
Hull form characteristics:
Hull has raised forecastle,
a normal bow and a round stern
Block coefficient (normal/deep): 0.452 / 0.459
Length to Beam Ratio: 9.74 : 1
'Natural speed' for length: 19.24 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 62
Bow angle (Positive = bow angles forward): 4.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 35.00 %, 25.00 ft / 7.62 m, 23.00 ft / 7.01 m
- Forward deck: 30.00 %, 15.00 ft / 4.57 m, 15.00 ft / 4.57 m
- Aft deck: 20.00 %, 15.00 ft / 4.57 m, 15.00 ft / 4.57 m
- Quarter deck: 15.00 %, 15.00 ft / 4.57 m, 15.00 ft / 4.57 m
- Average freeboard: 18.08 ft / 5.51 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 180.6 %
- Above water (accommodation/working, high = better): 133.8 %
Waterplane Area: 8,983 Square feet or 835 Square metres
Displacement factor (Displacement / loading): 70 %
Structure weight / hull surface area: 37 lbs/sq ft or 180 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.48
- Longitudinal: 2.58
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
This is a forum for discussion of topics relating to the Dreadnought era, prior to the ascendency of naval aviation. We will be discussing history, ship design, and naval wargaming.
Tuesday, February 13, 2007
My first attempt at the Ger/CS/1905 design in Springsharp 3.0b Beta
I went ahead got a Ger/CS/1905 scout cruiser design done with Springsharp 3.0b Beta. The main problem is that too much power is required for the size ship. I always tell myself the HMS Swift, a similar ship, could achieve up to 60 SHP/ton of machinery. This is the Springsharp report:
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