HMAS
Enterprise Australia Light Carrier laid down 1932
36 A/C
Displacement:
10,164 t light; 10,501 t standard; 12,569 t normal; 14,224 t full load
Dimensions: Length overall / water x beam x draught
681.66 ft / 670.00 ft x 67.00 ft x 20.00 ft (normal load)
207.77 m / 204.22 m x 20.42 m x 6.10 m
Armament:
6 - 6.00" / 152 mm guns (2x3 guns), 108.00lbs / 48.99kg shells, 1932 Model
Breech loading guns in turrets (on barbettes)
on centreline, all forward, 1 raised mount - superfiring
8 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1932 Model
Dual purpose guns in deck mounts
on side, evenly spread
16 - 1.57" / 40.0 mm guns (4x4 guns), 1.95lbs / 0.88kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
20 - 0.79" / 20.0 mm guns (10x2 guns), 0.24lbs / 0.11kg shells, 1932 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 940 lbs / 426 kg
Shells per gun, main battery: 150
6 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.90" / 74 mm 370.00 ft / 112.78 m 9.00 ft / 2.74 m
Ends: Unarmoured
Main Belt covers 85 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.90" / 74 mm 1.20" / 30 mm 2.90" / 74 mm
2nd: 1.20" / 30 mm - -
- Armour deck: 1.20" / 30 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 81,081 shp / 60,486 Kw = 32.00 kts
Range 15,000nm at 15.00 kts
Bunker at max displacement = 3,722 tons
Complement:
593 - 771
Cost:
£3.589 million / $14.355 million
Distribution of weights at normal displacement:
Armament: 118 tons, 0.9 %
Armour: 1,248 tons, 9.9 %
- Belts: 412 tons, 3.3 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 151 tons, 1.2 %
- Armour Deck: 684 tons, 5.4 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 2,393 tons, 19.0 %
Hull, fittings & equipment: 4,706 tons, 37.4 %
Fuel, ammunition & stores: 2,405 tons, 19.1 %
Miscellaneous weights: 1,700 tons, 13.5 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
19,873 lbs / 9,014 Kg = 184.0 x 6.0 " / 152 mm shells or 2.2 torpedoes
Stability (Unstable if below 1.00): 1.17
Metacentric height 3.7 ft / 1.1 m
Roll period: 14.7 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.18
Seaboat quality (Average = 1.00): 1.35
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.490
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 29.57 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 53
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.00 ft / 7.62 m
- Forecastle (30 %): 21.00 ft / 6.40 m
- Mid (50 %): 21.00 ft / 6.40 m
- Quarterdeck (20 %): 21.00 ft / 6.40 m
- Stern: 21.00 ft / 6.40 m
- Average freeboard: 21.48 ft / 6.55 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.4 %
- Above water (accommodation/working, high = better): 188.7 %
Waterplane Area: 30,816 Square feet or 2,863 Square metres
Displacement factor (Displacement / loading): 145 %
Structure weight / hull surface area: 101 lbs/sq ft or 493 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.19
- Overall: 1.01
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
Good seaboat, rides out heavy weather easily
HMAS Intrepid, Australia Light Carrier laid down 1943
Displacement:
9,998 t light; 10,350 t standard; 12,192 t normal; 13,666 t full load
Dimensions: Length overall / water x beam x draught
681.66 ft / 670.00 ft x 67.00 ft x 19.40 ft (normal load)
207.77 m / 204.22 m x 20.42 m x 5.91 m
Armament:
6 - 6.00" / 152 mm guns (2x3 guns), 108.00lbs / 48.99kg shells, 1943 Model
Breech loading guns in turrets (on barbettes)
on centreline, all forward, 1 raised mount - superfiring
8 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1943 Model
Dual purpose guns in deck mounts
on side, evenly spread
16 - 1.57" / 40.0 mm guns (4x4 guns), 1.95lbs / 0.89kg shells, 1943 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
20 - 0.79" / 20.0 mm guns (10x2 guns), 0.24lbs / 0.11kg shells, 1943 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 940 lbs / 426 kg
Shells per gun, main battery: 190
6 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.00" / 76 mm 370.00 ft / 112.78 m 9.00 ft / 2.74 m
Ends: Unarmoured
Main Belt covers 85 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 1.20" / 30 mm 2.90" / 74 mm
2nd: 1.20" / 30 mm - -
- Armour deck: 1.20" / 30 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 79,665 shp / 59,430 Kw = 32.00 kts
Range 15,000nm at 15.00 kts
Bunker at max displacement = 3,316 tons
Complement:
579 - 754
Cost:
£4.822 million / $19.287 million
Distribution of weights at normal displacement:
Armament: 118 tons, 1.0 %
Armour: 1,263 tons, 10.4 %
- Belts: 426 tons, 3.5 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 152 tons, 1.2 %
- Armour Deck: 684 tons, 5.6 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 2,057 tons, 16.9 %
Hull, fittings & equipment: 4,660 tons, 38.2 %
Fuel, ammunition & stores: 2,195 tons, 18.0 %
Miscellaneous weights: 1,900 tons, 15.6 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
20,424 lbs / 9,264 Kg = 189.1 x 6.0 " / 152 mm shells or 2.3 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 3.5 ft / 1.1 m
Roll period: 15.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.19
Seaboat quality (Average = 1.00): 1.33
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.490
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 29.57 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 53
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.00 ft / 7.62 m
- Forecastle (30 %): 21.00 ft / 6.40 m
- Mid (50 %): 21.00 ft / 6.40 m
- Quarterdeck (20 %): 21.00 ft / 6.40 m
- Stern: 21.00 ft / 6.40 m
- Average freeboard: 21.48 ft / 6.55 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 80.1 %
- Above water (accommodation/working, high = better): 193.3 %
Waterplane Area: 30,816 Square feet or 2,863 Square metres
Displacement factor (Displacement / loading): 148 %
Structure weight / hull surface area: 101 lbs/sq ft or 492 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.18
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily