HMAS Tiger, Australia Battlecruiser laid down 1912 (Rebuilt 1932)
AKA El Tigre de Tasmania
Displacement:
30,055 t light; 31,608 t standard; 34,793 t normal; 37,340 t full load
Dimensions: Length overall / water x beam x draught
728.44 ft / 721.00 ft x 91.00 ft x 32.00 ft (normal load)
222.03 m / 219.76 m x 27.74 m x 9.75 m
Armament:
8 - 13.50" / 343 mm guns (4x2 guns), 1,400.00lbs / 635.03kg shells, 1912 Model
Breech loading guns in turrets (on barbettes)
on centreline, evenly spread, 2 raised mounts
Aft Main mounts separated by engine room
24 - 4.72" / 120 mm guns (12x2 guns), 52.72lbs / 23.91kg shells, 1932 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
24 - 1.57" / 40.0 mm guns (6x4 guns), 1.95lbs / 0.88kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
12 - 1.57" / 40.0 mm guns (3x4 guns), 1.95lbs / 0.88kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on centreline, evenly spread, 1 raised mount
40 - 0.79" / 20.0 mm guns (20x2 guns), 0.24lbs / 0.11kg shells, 1932 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 12,545 lbs / 5,690 kg
Shells per gun, main battery: 120
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 9.00" / 229 mm 390.00 ft / 118.87 m 12.00 ft / 3.66 m
Ends: 3.00" / 76 mm 315.00 ft / 96.01 m 12.00 ft / 3.66 m
16.00 ft / 4.88 m Unarmoured ends
Upper: 6.00" / 152 mm 390.00 ft / 118.87 m 8.00 ft / 2.44 m
Main Belt covers 83 % of normal length
- Torpedo Bulkhead:
1.00" / 25 mm 390.00 ft / 118.87 m 30.00 ft / 9.14 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 9.00" / 229 mm 5.00" / 127 mm 9.00" / 229 mm
2nd: 1.20" / 30 mm - -
- Armour deck: 5.00" / 127 mm, Conning tower: 10.00" / 254 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 158,205 shp / 118,021 Kw = 31.00 kts
Range 12,000nm at 15.00 kts
Bunker at max displacement = 5,731 tons
Complement:
1,273 - 1,655
Cost:
£2.880 million / $11.521 million
Distribution of weights at normal displacement:
Armament: 1,398 tons, 4.0 %
Armour: 10,466 tons, 30.1 %
- Belts: 3,114 tons, 9.0 %
- Torpedo bulkhead: 433 tons, 1.2 %
- Armament: 2,333 tons, 6.7 %
- Armour Deck: 4,356 tons, 12.5 %
- Conning Tower: 230 tons, 0.7 %
Machinery: 4,670 tons, 13.4 %
Hull, fittings & equipment: 13,320 tons, 38.3 %
Fuel, ammunition & stores: 4,738 tons, 13.6 %
Miscellaneous weights: 200 tons, 0.6 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
50,398 lbs / 22,860 Kg = 41.0 x 13.5 " / 343 mm shells or 6.0 torpedoes
Stability (Unstable if below 1.00): 1.07
Metacentric height 5.0 ft / 1.5 m
Roll period: 17.1 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.99
Seaboat quality (Average = 1.00): 1.11
Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.580
Length to Beam Ratio: 7.92 : 1
'Natural speed' for length: 26.85 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 45
Bow angle (Positive = bow angles forward): 12.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 35.00 ft / 10.67 m
- Forecastle (20 %): 29.00 ft / 8.84 m
- Mid (60 %): 29.00 ft / 8.84 m
- Quarterdeck (30 %): 19.00 ft / 5.79 m (29.00 ft / 8.84 m before break)
- Stern: 19.00 ft / 5.79 m
- Average freeboard: 26.48 ft / 8.07 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96.8 %
- Above water (accommodation/working, high = better): 204.4 %
Waterplane Area: 47,097 Square feet or 4,375 Square metres
Displacement factor (Displacement / loading): 112 %
Structure weight / hull surface area: 184 lbs/sq ft or 896 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