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1

Tuesday, June 28th 2005, 12:11am

Light Cruiser

HMAS Darwin (ex Melbourne), retired
HMAS Adelaide, retired

HMAS Sydney converted to museum

This post has been edited 1 times, last edit by "Desertfox" (Sep 15th 2010, 3:39am)


2

Saturday, September 3rd 2005, 1:16am

HMAS Darwin, converted to training ship, retired

HMAS Cairns, SUNK 1931

3

Tuesday, August 1st 2006, 9:12pm

HMAS Brisbane, retired
HMAS Pearth, retired

4

Tuesday, August 1st 2006, 9:13pm



HMAS Auckland
HMAS Townsville
HMAS Freemantle
HMAS Newcastle
HMAS Rockhampton
HMAS Wellington

Australia Light Cruiser laid down 1931

Displacement:
5,740 t light; 5,999 t standard; 7,390 t normal; 8,502 t full load

Dimensions: Length overall / water x beam x draught
561.19 ft / 550.00 ft x 55.00 ft x 19.00 ft (normal load)
171.05 m / 167.64 m x 16.76 m x 5.79 m

Armament:
9 - 6.00" / 152 mm guns (3x3 guns), 108.00lbs / 48.99kg shells, 1931 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1931 Model
Dual purpose 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, 1931 Model
Anti-aircraft guns in deck mounts
on centreline, evenly spread
20 - 0.79" / 20.0 mm guns (10x2 guns), 0.24lbs / 0.11kg shells, 1931 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 1,256 lbs / 570 kg
Shells per gun, main battery: 150
12 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.90" / 74 mm 350.00 ft / 106.68 m 9.00 ft / 2.74 m
Ends: Unarmoured
Main Belt covers 98 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.90" / 74 mm 1.20" / 30 mm 2.00" / 51 mm
2nd: 1.20" / 30 mm - -

- Armour deck: 1.20" / 30 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 60,885 shp / 45,420 Kw = 32.00 kts
Range 14,000nm at 15.00 kts
Bunker at max displacement = 2,502 tons

Complement:
398 - 518

Cost:
£2.565 million / $10.258 million

Distribution of weights at normal displacement:
Armament: 157 tons, 2.1 %
Armour: 985 tons, 13.3 %
- Belts: 380 tons, 5.1 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 160 tons, 2.2 %
- Armour Deck: 445 tons, 6.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,821 tons, 24.6 %
Hull, fittings & equipment: 2,752 tons, 37.2 %
Fuel, ammunition & stores: 1,650 tons, 22.3 %
Miscellaneous weights: 25 tons, 0.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
9,256 lbs / 4,199 Kg = 85.7 x 6.0 " / 152 mm shells or 1.4 torpedoes
Stability (Unstable if below 1.00): 1.24
Metacentric height 3.0 ft / 0.9 m
Roll period: 13.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.43
Seaboat quality (Average = 1.00): 1.23

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.450
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 26.93 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 57
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: 24.00 ft / 7.32 m
- Forecastle (30 %): 20.00 ft / 6.10 m
- Mid (50 %): 19.00 ft / 5.79 m
- Quarterdeck (20 %): 17.00 ft / 5.18 m
- Stern: 17.00 ft / 5.18 m
- Average freeboard: 19.18 ft / 5.85 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 97.2 %
- Above water (accommodation/working, high = better): 129.6 %
Waterplane Area: 20,044 Square feet or 1,862 Square metres
Displacement factor (Displacement / loading): 125 %
Structure weight / hull surface area: 84 lbs/sq ft or 409 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.85
- Longitudinal: 1.47
- Overall: 0.90
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
Good seaboat, rides out heavy weather easily

This post has been edited 2 times, last edit by "Desertfox" (Sep 15th 2010, 3:40am)


5

Thursday, August 17th 2006, 3:46am

HMAS Murray
HMAS Darling

Thrasius class, Australia (ex-Atlantis) Light Cruiser laid down 1912 (Engine 1917)

SOLD to Mexico 1934

This post has been edited 2 times, last edit by "Desertfox" (Jan 6th 2008, 5:03pm)


6

Monday, January 1st 2007, 10:50pm



HMAS Port Moresby
HMAS Port Headland
HMAS Port Macquarie

Port Moresby class, Australia Seaplane Cruiser laid down 1932

Displacement:
5,766 t light; 5,998 t standard; 7,390 t normal; 8,503 t full load

Dimensions: Length overall / water x beam x draught
561.19 ft / 550.00 ft x 55.00 ft x 19.00 ft (normal load)
171.05 m / 167.64 m x 16.76 m x 5.79 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, 2 raised mounts
12 - 1.57" / 40.0 mm guns (3x4 guns), 1.95lbs / 0.89kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on centreline, 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 932 lbs / 423 kg
Shells per gun, main battery: 150
12 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.90" / 74 mm 350.00 ft / 106.68 m 9.00 ft / 2.74 m
Ends: Unarmoured
Main Belt covers 98 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.90" / 74 mm 1.20" / 30 mm 2.00" / 51 mm
2nd: 1.20" / 30 mm - -

- Armour deck: 1.20" / 30 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 60,885 shp / 45,420 Kw = 32.00 kts
Range 14,150nm at 15.00 kts
Bunker at max displacement = 2,504 tons

Complement:
398 - 518

Cost:
£2.506 million / $10.023 million

Distribution of weights at normal displacement:
Armament: 117 tons, 1.6 %
Armour: 943 tons, 12.8 %
- Belts: 380 tons, 5.1 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 118 tons, 1.6 %
- Armour Deck: 445 tons, 6.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,797 tons, 24.3 %
Hull, fittings & equipment: 2,669 tons, 36.1 %
Fuel, ammunition & stores: 1,624 tons, 22.0 %
Miscellaneous weights: 240 tons, 3.2 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
9,585 lbs / 4,348 Kg = 88.8 x 6.0 " / 152 mm shells or 1.5 torpedoes
Stability (Unstable if below 1.00): 1.22
Metacentric height 2.9 ft / 0.9 m
Roll period: 13.5 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.33
Seaboat quality (Average = 1.00): 1.24

Hull form characteristics:
Hull has low quarterdeck
and transom stern
Block coefficient: 0.450
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 26.93 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 57
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: 24.00 ft / 7.32 m
- Forecastle (30 %): 20.00 ft / 6.10 m
- Mid (50 %): 19.00 ft / 5.79 m
- Quarterdeck (20 %): 15.00 ft / 4.57 m (19.00 ft / 5.79 m before break)
- Stern: 15.00 ft / 4.57 m
- Average freeboard: 19.08 ft / 5.82 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 95.2 %
- Above water (accommodation/working, high = better): 133.8 %
Waterplane Area: 20,044 Square feet or 1,862 Square metres
Displacement factor (Displacement / loading): 129 %
Structure weight / hull surface area: 82 lbs/sq ft or 398 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.85
- Longitudinal: 1.46
- Overall: 0.90
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
Good seaboat, rides out heavy weather easily

This post has been edited 3 times, last edit by "Desertfox" (Sep 15th 2010, 3:40am)


7

Sunday, January 6th 2008, 5:00pm

Reclassified as Heavy Cruisers

HMAS Sydney
HMAS Melbourne

Sydney class, Australia Large Light Cruiser laid down 1934

This post has been edited 1 times, last edit by "Desertfox" (Dec 19th 2008, 6:16am)


8

Thursday, December 18th 2008, 5:06pm



HMAS Launceston

Launceston class, Australia Torpedo Cruiser laid down 1935

Displacement:
3,950 t light; 4,141 t standard; 4,810 t normal; 5,346 t full load

Dimensions: Length overall / water x beam x draught
495.15 ft / 490.00 ft x 49.00 ft x 15.90 ft (normal load)
150.92 m / 149.35 m x 14.94 m x 4.85 m

Armament:
12 - 4.70" / 119 mm guns (4x3 guns), 51.91lbs / 23.55kg shells, 1935 Model
Breech loading guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
24 - 1.57" / 40.0 mm guns (6x4 guns), 1.95lbs / 0.89kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
20 - 0.79" / 20.0 mm guns (10x2 guns), 0.24lbs / 0.11kg shells, 1935 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 675 lbs / 306 kg
Shells per gun, main battery: 240
18 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Ends: Unarmoured
Upper: 1.20" / 30 mm 90.00 ft / 27.43 m 4.00 ft / 1.22 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.20" / 30 mm - -

- Armour deck: 1.20" / 30 mm, Conning tower: 1.20" / 30 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 48,429 shp / 36,128 Kw = 32.00 kts
Range 9,000nm at 15.00 kts
Bunker at max displacement = 1,205 tons

Complement:
288 - 375

Cost:
£2.045 million / $8.180 million

Distribution of weights at normal displacement:
Armament: 84 tons, 1.8 %
Armour: 409 tons, 8.5 %
- Belts: 24 tons, 0.5 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 27 tons, 0.6 %
- Armour Deck: 351 tons, 7.3 %
- Conning Tower: 7 tons, 0.2 %
Machinery: 1,376 tons, 28.6 %
Hull, fittings & equipment: 1,991 tons, 41.4 %
Fuel, ammunition & stores: 860 tons, 17.9 %
Miscellaneous weights: 90 tons, 1.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
5,691 lbs / 2,582 Kg = 109.6 x 4.7 " / 119 mm shells or 1.0 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 2.4 ft / 0.7 m
Roll period: 13.2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.46
Seaboat quality (Average = 1.00): 1.25

Hull form characteristics:
Hull has low forecastle, low quarterdeck
and transom stern
Block coefficient: 0.441
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 25.45 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 56
Bow angle (Positive = bow angles forward): 9.00 degrees
Stern overhang: 2.46 ft / 0.75 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17.00 ft / 5.18 m
- Forecastle (20 %): 17.00 ft / 5.18 m (20.00 ft / 6.10 m aft of break)
- Mid (50 %): 20.00 ft / 6.10 m
- Quarterdeck (20 %): 15.00 ft / 4.57 m (20.00 ft / 6.10 m before break)
- Stern: 15.00 ft / 4.57 m
- Average freeboard: 18.40 ft / 5.61 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 109.4 %
- Above water (accommodation/working, high = better): 101.0 %
Waterplane Area: 15,791 Square feet or 1,467 Square metres
Displacement factor (Displacement / loading): 123 %
Structure weight / hull surface area: 74 lbs/sq ft or 363 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.83
- Longitudinal: 1.85
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

This post has been edited 1 times, last edit by "Desertfox" (Dec 19th 2008, 6:30am)


9

Friday, December 19th 2008, 6:35am



HMAS Albury
HMAS Armidale

Albury class, Australia Light Cruiser laid down 1935

Displacement:
4,901 t light; 5,111 t standard; 6,421 t normal; 7,468 t full load

Dimensions: Length overall / water x beam x draught
521.66 ft / 510.00 ft x 51.00 ft x 19.20 ft (normal load)
159.00 m / 155.45 m x 15.54 m x 5.85 m

Armament:
12 - 4.70" / 119 mm guns (6x2 guns), 51.91lbs / 23.55kg shells, 1935 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
32 - 1.57" / 40.0 mm guns (8x4 guns), 1.95lbs / 0.88kg shells, 1935 Model
Dual purpose guns in deck mounts
on side, evenly spread, 4 raised mounts
20 - 0.79" / 20.0 mm guns (10x2 guns), 0.24lbs / 0.11kg shells, 1935 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 690 lbs / 313 kg
Shells per gun, main battery: 200
12 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.00" / 51 mm 322.00 ft / 98.15 m 9.00 ft / 2.74 m
Ends: Unarmoured
Main Belt covers 97 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.20" / 30 mm 1.20" / 30 mm -

- Armour deck: 1.20" / 30 mm, Conning tower: 1.20" / 30 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 57,359 shp / 42,789 Kw = 32.00 kts
Range 15,000nm at 15.00 kts
Bunker at max displacement = 2,357 tons

Complement:
358 - 466

Cost:
£2.404 million / $9.615 million

Distribution of weights at normal displacement:
Armament: 86 tons, 1.3 %
Armour: 679 tons, 10.6 %
- Belts: 242 tons, 3.8 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 46 tons, 0.7 %
- Armour Deck: 383 tons, 6.0 %
- Conning Tower: 9 tons, 0.1 %
Machinery: 1,630 tons, 25.4 %
Hull, fittings & equipment: 2,306 tons, 35.9 %
Fuel, ammunition & stores: 1,520 tons, 23.7 %
Miscellaneous weights: 200 tons, 3.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
8,124 lbs / 3,685 Kg = 156.5 x 4.7 " / 119 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 2.6 ft / 0.8 m
Roll period: 13.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.31
Seaboat quality (Average = 1.00): 1.21

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.450
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 25.93 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 58
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 %): 19.00 ft / 5.79 m
- Mid (50 %): 17.00 ft / 5.18 m
- Quarterdeck (20 %): 17.00 ft / 5.18 m
- Stern: 17.00 ft / 5.18 m
- Average freeboard: 18.52 ft / 5.64 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96.9 %
- Above water (accommodation/working, high = better): 108.8 %
Waterplane Area: 17,234 Square feet or 1,601 Square metres
Displacement factor (Displacement / loading): 133 %
Structure weight / hull surface area: 78 lbs/sq ft or 381 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 1.74
- Overall: 0.95
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

This post has been edited 1 times, last edit by "Desertfox" (Aug 18th 2010, 2:36am)


10

Wednesday, September 15th 2010, 3:45am

Port Shepstone , laid down 1913, rebuild 1927
Port St. Johns , laid down 1913, rebuild 1927
Port Alfred , laid down 1914, rebuild 1927
Porto Alegre , laid down 1915, rebuild 1928

ex-SAE



Displacement:
4.348 t light; 4.537 t standard (4.500 t officially); 5.162 t normal; 5.662 t full load

Dimensions: Length overall / water x beam x draught
451,51 ft / 442,91 ft x 44,29 ft x 19,03 ft (normal load)
137,62 m / 135,00 m x 13,50 m x 5,80 m

Armament:
8 - 5,91" / 150 mm guns (4x2 guns), 102,98lbs / 46,71kg shells, 1913 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, all amidships
8 - 1,57" / 40,0 mm guns (4x2 guns), 1,95lbs / 0,88kg shells, 1913 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
10 - 0,79" / 20,0 mm guns (6 mounts), 0,24lbs / 0,11kg shells, 1913 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 983 lbs / 446 kg
Shells per gun, main battery: 150
6 - 21,0" / 533 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1,97" / 50 mm 420,60 ft / 128,20 m 11,48 ft / 3,50 m
Ends: Unarmoured
Upper: 0,79" / 20 mm 286,09 ft / 87,20 m 8,20 ft / 2,50 m
Main Belt covers 146% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,79" / 20 mm -
2nd: 0,79" / 20 mm - -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

- Armour deck: 1,18" / 30 mm, Conning tower: 1,18" / 30 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 64.344 shp / 48.000 Kw = 32,10 kts
Range 7.000nm at 15,00 kts
Bunker at max displacement = 1.125 tons

Complement:
303 - 395

Cost:
£0,589 million / $2,355 million

Distribution of weights at normal displacement:
Armament: 123 tons, 2,4%
Armour: 775 tons, 15,0%
- Belts: 449 tons, 8,7%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 37 tons, 0,7%
- Armour Deck: 282 tons, 5,5%
- Conning Tower: 8 tons, 0,1%
Machinery: 2.031 tons, 39,3%
Hull, fittings & equipment: 1.399 tons, 27,1%
Fuel, ammunition & stores: 814 tons, 15,8%
Miscellaneous weights: 20 tons, 0,4%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2.332 lbs / 1.058 Kg = 22,6 x 5,9 " / 150 mm shells or 0,6 torpedoes
Stability (Unstable if below 1.00): 1,32
Metacentric height 2,4 ft / 0,7 m
Roll period: 11,9 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0,35
Seaboat quality (Average = 1.00): 1,16

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,484
Length to Beam Ratio: 10,00 : 1
'Natural speed' for length: 21,05 kts
Power going to wave formation at top speed: 63 %
Trim (Max stability = 0, Max steadiness = 100): 61
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 23,62 ft / 7,20 m
- Forecastle (30%): 21,00 ft / 6,40 m
- Mid (55%): 21,00 ft / 6,40 m (13,12 ft / 4,00 m aft of break)
- Quarterdeck (20%): 13,12 ft / 4,00 m
- Stern: 13,12 ft / 4,00 m
- Average freeboard: 17,77 ft / 5,42 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 146,1%
- Above water (accommodation/working, high = better): 109,1%
Waterplane Area: 12.883 Square feet or 1.197 Square metres
Displacement factor (Displacement / loading): 88%
Structure weight / hull surface area: 56 lbs/sq ft or 275 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,68
- Longitudinal: 1,90
- Overall: 0,76
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform

11

Wednesday, September 15th 2010, 3:46am

HMAS Despatch
HMAS Diomede
HMAS Delhi
HMAS Dunedin
HMAS Durban
HMAS Danae
HMAS Dauntless
HMAS Dragon



D Class, British Light Cruiser laid down 1918

Displacement:
4.473 t light; 4.650 t standard; 5.365 t normal; 5.916 t full load

Dimensions: Length overall / water x beam x draught
449,41 ft / 445,00 ft x 46,50 ft x 16,50 ft (normal load)
136,98 m / 135,64 m x 14,17 m x 5,03 m

Armament:
6 - 6,00" / 152 mm guns in single mounts, 108,00lbs / 48,99kg shells, 1918 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 4,00" / 102 mm guns in single mounts, 31,99lbs / 14,51kg shells, 1918 Model
Breech loading guns in deck mounts
on side, all amidships
8 - 1,57" / 40,0 mm guns (2x4 guns), 1,94lbs / 0,88kg shells, 1918 Model
Breech loading guns in deck mounts
on side, evenly spread
8 - 0,79" / 20,0 mm guns (4x2 guns), 0,24lbs / 0,11kg shells, 1918 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 793 lbs / 360 kg
Shells per gun, main battery: 150
8 - 21,0" / 533,4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3,00" / 76 mm 375,00 ft / 114,30 m 8,00 ft / 2,44 m
Ends: 2,50" / 64 mm 70,00 ft / 21,34 m 8,00 ft / 2,44 m
Main Belt covers 130 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3,00" / 76 mm - -
2nd: 1,00" / 25 mm - -
3rd: 0,50" / 13 mm - -
4th: 0,50" / 13 mm - -

- Armour deck: 1,00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 51.677 shp / 38.551 Kw = 30,00 kts
Range 6.780nm at 15,00 kts (Bunkerage = 1.287 tons)

Complement:
313 - 407

Cost:
£1,002 million / $4,007 million

Distribution of weights at normal displacement:
Armament: 99 tons, 1,8 %
Armour: 747 tons, 13,9 %
- Belts: 414 tons, 7,7 %
- Torpedo bulkhead: 0 tons, 0,0 %
- Armament: 74 tons, 1,4 %
- Armour Deck: 259 tons, 4,8 %
- Conning Tower: 0 tons, 0,0 %
Machinery: 1.864 tons, 34,7 %
Hull, fittings & equipment: 1.752 tons, 32,7 %
Fuel, ammunition & stores: 892 tons, 16,6 %
Miscellaneous weights: 10 tons, 0,2 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4.219 lbs / 1.914 Kg = 39,1 x 6,0 " / 152 mm shells or 0,8 torpedoes
Stability (Unstable if below 1.00): 1,45
Metacentric height 3,0 ft / 0,9 m
Steadiness - As gun platform (Average = 50 %): 56 %
- Recoil effect (Restricted arc if above 1.00): 0,17
Seaboat quality (Average = 1.00): 1,11

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0,550
Length to Beam Ratio: 9,57 : 1
'Natural speed' for length: 21,10 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 10,00 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 %): 23,00 ft / 7,01 m (15,00 ft / 4,57 m aft of break)
- Mid (50 %): 15,00 ft / 4,57 m
- Quarterdeck (15 %): 15,00 ft / 4,57 m
- Stern: 15,00 ft / 4,57 m
- Average freeboard: 17,64 ft / 5,38 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 127,2 %
- Above water (accommodation/working, high = better): 93,8 %
Waterplane Area: 14.006 Square feet or 1.301 Square metres
Displacement factor (Displacement / loading): 102 %
Structure weight / hull surface area: 70 lbs/sq ft or 344 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,93
- Longitudinal: 1,81
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate