Lae
Rabaul
DKB Öldampfer laid down 1917 (Engine 1916)
Displacement:
4,445 t light; 4,674 t standard; 11,188 t normal; 16,399 t full load
Dimensions: Length overall / water x beam x draught
393.70 ft / 393.70 ft x 65.62 ft x 22.97 ft (normal load)
120.00 m / 120.00 m x 20.00 m x 7.00 m
Armament:
2 - 3.46" / 88.0 mm guns in single mounts, 22.05lbs / 10.00kg shells, 1910 Model
Quick firing guns in deck mounts
on side, all aft
4 - 1.97" / 50.0 mm guns in single mounts, 3.86lbs / 1.75kg shells, 1905 Model
Quick firing guns in deck mounts
on side, all forward
Weight of broadside 60 lbs / 27 kg
Shells per gun, main battery: 150
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm - -
Machinery:
Coal and oil fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 12,156 ihp / 9,068 Kw = 18.00 kts
Range 47,500nm at 12.00 kts
Bunker at max displacement = 11,725 tons (40% coal)
Complement:
543 - 707
Cost:
£0.484 million / $1.938 million
Distribution of weights at normal displacement:
Armament: 7 tons, 0.1 %
Armour: 4 tons, 0.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 4 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 750 tons, 6.7 %
Hull, fittings & equipment: 2,284 tons, 20.4 %
Fuel, ammunition & stores: 6,743 tons, 60.3 %
Miscellaneous weights: 1,400 tons, 12.5 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
33,330 lbs / 15,118 Kg = 1,602.9 x 3.5 " / 88 mm shells or 5.2 torpedoes
Stability (Unstable if below 1.00): 1.69
Metacentric height 6.3 ft / 1.9 m
Roll period: 10.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has raised forecastle, raised quarterdeck
Block coefficient: 0.660
Length to Beam Ratio: 6.00 : 1
'Natural speed' for length: 19.84 kts
Power going to wave formation at top speed: 48 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.00 ft / 6.40 m
- Forecastle (25 %): 21.00 ft / 6.40 m (13.94 ft / 4.25 m aft of break)
- Mid (50 %): 13.94 ft / 4.25 m
- Quarterdeck (20 %): 20.51 ft / 6.25 m (13.94 ft / 4.25 m before break)
- Stern: 20.51 ft / 6.25 m
- Average freeboard: 17.02 ft / 5.19 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 37.3 %
- Above water (accommodation/working, high = better): 97.7 %
Waterplane Area: 19,972 Square feet or 1,855 Square metres
Displacement factor (Displacement / loading): 378 %
Structure weight / hull surface area: 78 lbs/sq ft or 380 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.79
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
1000t Loading Equipment
200t Bunkerage
100t Surplus Stores
50 Reserve Weight
25t Markoni Installation
25t Sehendes Auge