I have decided on a less extensive rebuild, essentialy a life extension one.
HMAS Brisbane, Australia Light Cruiser laid down 1912 (Engine 1929)
Displacement:
4,793 t light; 5,058 t standard; 6,120 t normal; 6,970 t full load
Dimensions: Length overall / water x beam x draught
450.00 ft / 450.00 ft x 50.00 ft x 17.00 ft (normal load)
137.16 m / 137.16 m x 15.24 m x 5.18 m
Armament:
3 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1929 Model
Breech loading guns in deck mounts
on centreline ends, majority forward
6 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1929 Model
Breech loading guns in deck mounts
on side, evenly spread
4 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1929 Model
Dual purpose guns in deck mounts
on side, evenly spread
12 - 1.57" / 40.0 mm guns (3x4 guns), 1.95lbs / 0.88kg shells, 1929 Model
Anti-aircraft guns in deck mounts
on centreline, evenly spread
10 - 0.79" / 20.0 mm guns (5x2 guns), 0.24lbs / 0.11kg shells, 1929 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 1,126 lbs / 511 kg
Shells per gun, main battery: 200
8 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.00" / 76 mm 300.00 ft / 91.44 m 12.00 ft / 3.66 m
Ends: Unarmoured
Main Belt covers 103 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm - -
2nd: 3.00" / 76 mm - -
3rd: 1.00" / 25 mm - -
4th: 0.50" / 13 mm - -
5th: 0.50" / 13 mm - -
- Armour deck: 2.00" / 51 mm, Conning tower: 5.00" / 127 mm
Machinery:
Coal fired boilers, steam turbines,
Geared drive, 4 shafts, 36,633 shp / 27,328 Kw = 27.00 kts
Range 7,900nm at 15.00 kts
Bunker at max displacement = 1,912 tons (100% coal)
Complement:
345 - 449
Cost:
£0.459 million / $1.837 million
Distribution of weights at normal displacement:
Armament: 141 tons, 2.3 %
Armour: 1,181 tons, 19.3 %
- Belts: 453 tons, 7.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 105 tons, 1.7 %
- Armour Deck: 586 tons, 9.6 %
- Conning Tower: 36 tons, 0.6 %
Machinery: 1,238 tons, 20.2 %
Hull, fittings & equipment: 2,084 tons, 34.0 %
Fuel, ammunition & stores: 1,327 tons, 21.7 %
Miscellaneous weights: 150 tons, 2.5 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
10,363 lbs / 4,700 Kg = 96.0 x 6.0 " / 152 mm shells or 1.5 torpedoes
Stability (Unstable if below 1.00): 1.38
Metacentric height 3.1 ft / 0.9 m
Roll period: 11.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.31
Seaboat quality (Average = 1.00): 1.94
Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.560
Length to Beam Ratio: 9.00 : 1
'Natural speed' for length: 21.21 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 36
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: 24.00 ft / 7.32 m
- Forecastle (20 %): 24.00 ft / 7.32 m
- Mid (50 %): 24.00 ft / 7.32 m
- Quarterdeck (30 %): 16.00 ft / 4.88 m (24.00 ft / 7.32 m before break)
- Stern: 16.00 ft / 4.88 m
- Average freeboard: 21.60 ft / 6.58 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 87.4 %
- Above water (accommodation/working, high = better): 158.6 %
Waterplane Area: 15,851 Square feet or 1,473 Square metres
Displacement factor (Displacement / loading): 124 %
Structure weight / hull surface area: 70 lbs/sq ft or 342 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.80
- Longitudinal: 2.89
- Overall: 0.91
Caution: Hull subject to strain in open-sea
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